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970d7e83 LB |
1 | #define JEMALLOC_CTL_C_ |
2 | #include "jemalloc/internal/jemalloc_internal.h" | |
3 | ||
4 | /******************************************************************************/ | |
5 | /* Data. */ | |
6 | ||
7 | /* | |
8 | * ctl_mtx protects the following: | |
9 | * - ctl_stats.* | |
970d7e83 LB |
10 | */ |
11 | static malloc_mutex_t ctl_mtx; | |
12 | static bool ctl_initialized; | |
13 | static uint64_t ctl_epoch; | |
14 | static ctl_stats_t ctl_stats; | |
15 | ||
16 | /******************************************************************************/ | |
17 | /* Helpers for named and indexed nodes. */ | |
18 | ||
9cc50fc6 | 19 | JEMALLOC_INLINE_C const ctl_named_node_t * |
970d7e83 LB |
20 | ctl_named_node(const ctl_node_t *node) |
21 | { | |
22 | ||
23 | return ((node->named) ? (const ctl_named_node_t *)node : NULL); | |
24 | } | |
25 | ||
9cc50fc6 | 26 | JEMALLOC_INLINE_C const ctl_named_node_t * |
970d7e83 LB |
27 | ctl_named_children(const ctl_named_node_t *node, int index) |
28 | { | |
29 | const ctl_named_node_t *children = ctl_named_node(node->children); | |
30 | ||
31 | return (children ? &children[index] : NULL); | |
32 | } | |
33 | ||
9cc50fc6 | 34 | JEMALLOC_INLINE_C const ctl_indexed_node_t * |
970d7e83 LB |
35 | ctl_indexed_node(const ctl_node_t *node) |
36 | { | |
37 | ||
1a4d82fc | 38 | return (!node->named ? (const ctl_indexed_node_t *)node : NULL); |
970d7e83 LB |
39 | } |
40 | ||
41 | /******************************************************************************/ | |
42 | /* Function prototypes for non-inline static functions. */ | |
43 | ||
44 | #define CTL_PROTO(n) \ | |
45 | static int n##_ctl(const size_t *mib, size_t miblen, void *oldp, \ | |
46 | size_t *oldlenp, void *newp, size_t newlen); | |
47 | ||
48 | #define INDEX_PROTO(n) \ | |
49 | static const ctl_named_node_t *n##_index(const size_t *mib, \ | |
50 | size_t miblen, size_t i); | |
51 | ||
52 | static bool ctl_arena_init(ctl_arena_stats_t *astats); | |
53 | static void ctl_arena_clear(ctl_arena_stats_t *astats); | |
54 | static void ctl_arena_stats_amerge(ctl_arena_stats_t *cstats, | |
55 | arena_t *arena); | |
56 | static void ctl_arena_stats_smerge(ctl_arena_stats_t *sstats, | |
57 | ctl_arena_stats_t *astats); | |
58 | static void ctl_arena_refresh(arena_t *arena, unsigned i); | |
59 | static bool ctl_grow(void); | |
60 | static void ctl_refresh(void); | |
61 | static bool ctl_init(void); | |
62 | static int ctl_lookup(const char *name, ctl_node_t const **nodesp, | |
63 | size_t *mibp, size_t *depthp); | |
64 | ||
65 | CTL_PROTO(version) | |
66 | CTL_PROTO(epoch) | |
67 | CTL_PROTO(thread_tcache_enabled) | |
68 | CTL_PROTO(thread_tcache_flush) | |
1a4d82fc JJ |
69 | CTL_PROTO(thread_prof_name) |
70 | CTL_PROTO(thread_prof_active) | |
970d7e83 LB |
71 | CTL_PROTO(thread_arena) |
72 | CTL_PROTO(thread_allocated) | |
73 | CTL_PROTO(thread_allocatedp) | |
74 | CTL_PROTO(thread_deallocated) | |
75 | CTL_PROTO(thread_deallocatedp) | |
9cc50fc6 | 76 | CTL_PROTO(config_cache_oblivious) |
970d7e83 | 77 | CTL_PROTO(config_debug) |
970d7e83 LB |
78 | CTL_PROTO(config_fill) |
79 | CTL_PROTO(config_lazy_lock) | |
970d7e83 LB |
80 | CTL_PROTO(config_munmap) |
81 | CTL_PROTO(config_prof) | |
82 | CTL_PROTO(config_prof_libgcc) | |
83 | CTL_PROTO(config_prof_libunwind) | |
84 | CTL_PROTO(config_stats) | |
85 | CTL_PROTO(config_tcache) | |
86 | CTL_PROTO(config_tls) | |
87 | CTL_PROTO(config_utrace) | |
88 | CTL_PROTO(config_valgrind) | |
89 | CTL_PROTO(config_xmalloc) | |
90 | CTL_PROTO(opt_abort) | |
91 | CTL_PROTO(opt_dss) | |
92 | CTL_PROTO(opt_lg_chunk) | |
93 | CTL_PROTO(opt_narenas) | |
94 | CTL_PROTO(opt_lg_dirty_mult) | |
95 | CTL_PROTO(opt_stats_print) | |
96 | CTL_PROTO(opt_junk) | |
97 | CTL_PROTO(opt_zero) | |
98 | CTL_PROTO(opt_quarantine) | |
99 | CTL_PROTO(opt_redzone) | |
100 | CTL_PROTO(opt_utrace) | |
970d7e83 LB |
101 | CTL_PROTO(opt_xmalloc) |
102 | CTL_PROTO(opt_tcache) | |
103 | CTL_PROTO(opt_lg_tcache_max) | |
104 | CTL_PROTO(opt_prof) | |
105 | CTL_PROTO(opt_prof_prefix) | |
106 | CTL_PROTO(opt_prof_active) | |
1a4d82fc | 107 | CTL_PROTO(opt_prof_thread_active_init) |
970d7e83 LB |
108 | CTL_PROTO(opt_lg_prof_sample) |
109 | CTL_PROTO(opt_lg_prof_interval) | |
110 | CTL_PROTO(opt_prof_gdump) | |
111 | CTL_PROTO(opt_prof_final) | |
112 | CTL_PROTO(opt_prof_leak) | |
113 | CTL_PROTO(opt_prof_accum) | |
9cc50fc6 SL |
114 | CTL_PROTO(tcache_create) |
115 | CTL_PROTO(tcache_flush) | |
116 | CTL_PROTO(tcache_destroy) | |
970d7e83 LB |
117 | CTL_PROTO(arena_i_purge) |
118 | static void arena_purge(unsigned arena_ind); | |
119 | CTL_PROTO(arena_i_dss) | |
9cc50fc6 SL |
120 | CTL_PROTO(arena_i_lg_dirty_mult) |
121 | CTL_PROTO(arena_i_chunk_hooks) | |
970d7e83 LB |
122 | INDEX_PROTO(arena_i) |
123 | CTL_PROTO(arenas_bin_i_size) | |
124 | CTL_PROTO(arenas_bin_i_nregs) | |
125 | CTL_PROTO(arenas_bin_i_run_size) | |
126 | INDEX_PROTO(arenas_bin_i) | |
127 | CTL_PROTO(arenas_lrun_i_size) | |
128 | INDEX_PROTO(arenas_lrun_i) | |
9cc50fc6 SL |
129 | CTL_PROTO(arenas_hchunk_i_size) |
130 | INDEX_PROTO(arenas_hchunk_i) | |
970d7e83 LB |
131 | CTL_PROTO(arenas_narenas) |
132 | CTL_PROTO(arenas_initialized) | |
9cc50fc6 | 133 | CTL_PROTO(arenas_lg_dirty_mult) |
970d7e83 LB |
134 | CTL_PROTO(arenas_quantum) |
135 | CTL_PROTO(arenas_page) | |
136 | CTL_PROTO(arenas_tcache_max) | |
137 | CTL_PROTO(arenas_nbins) | |
138 | CTL_PROTO(arenas_nhbins) | |
139 | CTL_PROTO(arenas_nlruns) | |
9cc50fc6 | 140 | CTL_PROTO(arenas_nhchunks) |
970d7e83 | 141 | CTL_PROTO(arenas_extend) |
1a4d82fc | 142 | CTL_PROTO(prof_thread_active_init) |
970d7e83 LB |
143 | CTL_PROTO(prof_active) |
144 | CTL_PROTO(prof_dump) | |
9cc50fc6 | 145 | CTL_PROTO(prof_gdump) |
1a4d82fc | 146 | CTL_PROTO(prof_reset) |
970d7e83 | 147 | CTL_PROTO(prof_interval) |
1a4d82fc | 148 | CTL_PROTO(lg_prof_sample) |
970d7e83 LB |
149 | CTL_PROTO(stats_arenas_i_small_allocated) |
150 | CTL_PROTO(stats_arenas_i_small_nmalloc) | |
151 | CTL_PROTO(stats_arenas_i_small_ndalloc) | |
152 | CTL_PROTO(stats_arenas_i_small_nrequests) | |
153 | CTL_PROTO(stats_arenas_i_large_allocated) | |
154 | CTL_PROTO(stats_arenas_i_large_nmalloc) | |
155 | CTL_PROTO(stats_arenas_i_large_ndalloc) | |
156 | CTL_PROTO(stats_arenas_i_large_nrequests) | |
1a4d82fc JJ |
157 | CTL_PROTO(stats_arenas_i_huge_allocated) |
158 | CTL_PROTO(stats_arenas_i_huge_nmalloc) | |
159 | CTL_PROTO(stats_arenas_i_huge_ndalloc) | |
160 | CTL_PROTO(stats_arenas_i_huge_nrequests) | |
970d7e83 LB |
161 | CTL_PROTO(stats_arenas_i_bins_j_nmalloc) |
162 | CTL_PROTO(stats_arenas_i_bins_j_ndalloc) | |
163 | CTL_PROTO(stats_arenas_i_bins_j_nrequests) | |
9cc50fc6 | 164 | CTL_PROTO(stats_arenas_i_bins_j_curregs) |
970d7e83 LB |
165 | CTL_PROTO(stats_arenas_i_bins_j_nfills) |
166 | CTL_PROTO(stats_arenas_i_bins_j_nflushes) | |
167 | CTL_PROTO(stats_arenas_i_bins_j_nruns) | |
168 | CTL_PROTO(stats_arenas_i_bins_j_nreruns) | |
169 | CTL_PROTO(stats_arenas_i_bins_j_curruns) | |
170 | INDEX_PROTO(stats_arenas_i_bins_j) | |
171 | CTL_PROTO(stats_arenas_i_lruns_j_nmalloc) | |
172 | CTL_PROTO(stats_arenas_i_lruns_j_ndalloc) | |
173 | CTL_PROTO(stats_arenas_i_lruns_j_nrequests) | |
174 | CTL_PROTO(stats_arenas_i_lruns_j_curruns) | |
175 | INDEX_PROTO(stats_arenas_i_lruns_j) | |
9cc50fc6 SL |
176 | CTL_PROTO(stats_arenas_i_hchunks_j_nmalloc) |
177 | CTL_PROTO(stats_arenas_i_hchunks_j_ndalloc) | |
178 | CTL_PROTO(stats_arenas_i_hchunks_j_nrequests) | |
179 | CTL_PROTO(stats_arenas_i_hchunks_j_curhchunks) | |
180 | INDEX_PROTO(stats_arenas_i_hchunks_j) | |
970d7e83 LB |
181 | CTL_PROTO(stats_arenas_i_nthreads) |
182 | CTL_PROTO(stats_arenas_i_dss) | |
9cc50fc6 | 183 | CTL_PROTO(stats_arenas_i_lg_dirty_mult) |
970d7e83 LB |
184 | CTL_PROTO(stats_arenas_i_pactive) |
185 | CTL_PROTO(stats_arenas_i_pdirty) | |
186 | CTL_PROTO(stats_arenas_i_mapped) | |
187 | CTL_PROTO(stats_arenas_i_npurge) | |
188 | CTL_PROTO(stats_arenas_i_nmadvise) | |
189 | CTL_PROTO(stats_arenas_i_purged) | |
9cc50fc6 SL |
190 | CTL_PROTO(stats_arenas_i_metadata_mapped) |
191 | CTL_PROTO(stats_arenas_i_metadata_allocated) | |
970d7e83 LB |
192 | INDEX_PROTO(stats_arenas_i) |
193 | CTL_PROTO(stats_cactive) | |
194 | CTL_PROTO(stats_allocated) | |
195 | CTL_PROTO(stats_active) | |
9cc50fc6 SL |
196 | CTL_PROTO(stats_metadata) |
197 | CTL_PROTO(stats_resident) | |
970d7e83 LB |
198 | CTL_PROTO(stats_mapped) |
199 | ||
200 | /******************************************************************************/ | |
201 | /* mallctl tree. */ | |
202 | ||
203 | /* Maximum tree depth. */ | |
204 | #define CTL_MAX_DEPTH 6 | |
205 | ||
206 | #define NAME(n) {true}, n | |
207 | #define CHILD(t, c) \ | |
208 | sizeof(c##_node) / sizeof(ctl_##t##_node_t), \ | |
209 | (ctl_node_t *)c##_node, \ | |
210 | NULL | |
211 | #define CTL(c) 0, NULL, c##_ctl | |
212 | ||
213 | /* | |
214 | * Only handles internal indexed nodes, since there are currently no external | |
215 | * ones. | |
216 | */ | |
217 | #define INDEX(i) {false}, i##_index | |
218 | ||
1a4d82fc | 219 | static const ctl_named_node_t thread_tcache_node[] = { |
970d7e83 LB |
220 | {NAME("enabled"), CTL(thread_tcache_enabled)}, |
221 | {NAME("flush"), CTL(thread_tcache_flush)} | |
222 | }; | |
223 | ||
1a4d82fc JJ |
224 | static const ctl_named_node_t thread_prof_node[] = { |
225 | {NAME("name"), CTL(thread_prof_name)}, | |
226 | {NAME("active"), CTL(thread_prof_active)} | |
227 | }; | |
228 | ||
970d7e83 LB |
229 | static const ctl_named_node_t thread_node[] = { |
230 | {NAME("arena"), CTL(thread_arena)}, | |
231 | {NAME("allocated"), CTL(thread_allocated)}, | |
232 | {NAME("allocatedp"), CTL(thread_allocatedp)}, | |
233 | {NAME("deallocated"), CTL(thread_deallocated)}, | |
234 | {NAME("deallocatedp"), CTL(thread_deallocatedp)}, | |
1a4d82fc JJ |
235 | {NAME("tcache"), CHILD(named, thread_tcache)}, |
236 | {NAME("prof"), CHILD(named, thread_prof)} | |
970d7e83 LB |
237 | }; |
238 | ||
239 | static const ctl_named_node_t config_node[] = { | |
9cc50fc6 SL |
240 | {NAME("cache_oblivious"), CTL(config_cache_oblivious)}, |
241 | {NAME("debug"), CTL(config_debug)}, | |
242 | {NAME("fill"), CTL(config_fill)}, | |
243 | {NAME("lazy_lock"), CTL(config_lazy_lock)}, | |
244 | {NAME("munmap"), CTL(config_munmap)}, | |
245 | {NAME("prof"), CTL(config_prof)}, | |
246 | {NAME("prof_libgcc"), CTL(config_prof_libgcc)}, | |
247 | {NAME("prof_libunwind"), CTL(config_prof_libunwind)}, | |
248 | {NAME("stats"), CTL(config_stats)}, | |
249 | {NAME("tcache"), CTL(config_tcache)}, | |
250 | {NAME("tls"), CTL(config_tls)}, | |
251 | {NAME("utrace"), CTL(config_utrace)}, | |
252 | {NAME("valgrind"), CTL(config_valgrind)}, | |
253 | {NAME("xmalloc"), CTL(config_xmalloc)} | |
970d7e83 LB |
254 | }; |
255 | ||
256 | static const ctl_named_node_t opt_node[] = { | |
9cc50fc6 SL |
257 | {NAME("abort"), CTL(opt_abort)}, |
258 | {NAME("dss"), CTL(opt_dss)}, | |
259 | {NAME("lg_chunk"), CTL(opt_lg_chunk)}, | |
260 | {NAME("narenas"), CTL(opt_narenas)}, | |
261 | {NAME("lg_dirty_mult"), CTL(opt_lg_dirty_mult)}, | |
262 | {NAME("stats_print"), CTL(opt_stats_print)}, | |
263 | {NAME("junk"), CTL(opt_junk)}, | |
264 | {NAME("zero"), CTL(opt_zero)}, | |
265 | {NAME("quarantine"), CTL(opt_quarantine)}, | |
266 | {NAME("redzone"), CTL(opt_redzone)}, | |
267 | {NAME("utrace"), CTL(opt_utrace)}, | |
268 | {NAME("xmalloc"), CTL(opt_xmalloc)}, | |
269 | {NAME("tcache"), CTL(opt_tcache)}, | |
270 | {NAME("lg_tcache_max"), CTL(opt_lg_tcache_max)}, | |
271 | {NAME("prof"), CTL(opt_prof)}, | |
272 | {NAME("prof_prefix"), CTL(opt_prof_prefix)}, | |
273 | {NAME("prof_active"), CTL(opt_prof_active)}, | |
1a4d82fc | 274 | {NAME("prof_thread_active_init"), CTL(opt_prof_thread_active_init)}, |
9cc50fc6 SL |
275 | {NAME("lg_prof_sample"), CTL(opt_lg_prof_sample)}, |
276 | {NAME("lg_prof_interval"), CTL(opt_lg_prof_interval)}, | |
277 | {NAME("prof_gdump"), CTL(opt_prof_gdump)}, | |
278 | {NAME("prof_final"), CTL(opt_prof_final)}, | |
279 | {NAME("prof_leak"), CTL(opt_prof_leak)}, | |
280 | {NAME("prof_accum"), CTL(opt_prof_accum)} | |
970d7e83 LB |
281 | }; |
282 | ||
9cc50fc6 SL |
283 | static const ctl_named_node_t tcache_node[] = { |
284 | {NAME("create"), CTL(tcache_create)}, | |
285 | {NAME("flush"), CTL(tcache_flush)}, | |
286 | {NAME("destroy"), CTL(tcache_destroy)} | |
1a4d82fc JJ |
287 | }; |
288 | ||
970d7e83 | 289 | static const ctl_named_node_t arena_i_node[] = { |
9cc50fc6 SL |
290 | {NAME("purge"), CTL(arena_i_purge)}, |
291 | {NAME("dss"), CTL(arena_i_dss)}, | |
292 | {NAME("lg_dirty_mult"), CTL(arena_i_lg_dirty_mult)}, | |
293 | {NAME("chunk_hooks"), CTL(arena_i_chunk_hooks)} | |
970d7e83 LB |
294 | }; |
295 | static const ctl_named_node_t super_arena_i_node[] = { | |
9cc50fc6 | 296 | {NAME(""), CHILD(named, arena_i)} |
970d7e83 LB |
297 | }; |
298 | ||
299 | static const ctl_indexed_node_t arena_node[] = { | |
300 | {INDEX(arena_i)} | |
301 | }; | |
302 | ||
303 | static const ctl_named_node_t arenas_bin_i_node[] = { | |
9cc50fc6 SL |
304 | {NAME("size"), CTL(arenas_bin_i_size)}, |
305 | {NAME("nregs"), CTL(arenas_bin_i_nregs)}, | |
306 | {NAME("run_size"), CTL(arenas_bin_i_run_size)} | |
970d7e83 LB |
307 | }; |
308 | static const ctl_named_node_t super_arenas_bin_i_node[] = { | |
9cc50fc6 | 309 | {NAME(""), CHILD(named, arenas_bin_i)} |
970d7e83 LB |
310 | }; |
311 | ||
312 | static const ctl_indexed_node_t arenas_bin_node[] = { | |
313 | {INDEX(arenas_bin_i)} | |
314 | }; | |
315 | ||
316 | static const ctl_named_node_t arenas_lrun_i_node[] = { | |
9cc50fc6 | 317 | {NAME("size"), CTL(arenas_lrun_i_size)} |
970d7e83 LB |
318 | }; |
319 | static const ctl_named_node_t super_arenas_lrun_i_node[] = { | |
9cc50fc6 | 320 | {NAME(""), CHILD(named, arenas_lrun_i)} |
970d7e83 LB |
321 | }; |
322 | ||
323 | static const ctl_indexed_node_t arenas_lrun_node[] = { | |
324 | {INDEX(arenas_lrun_i)} | |
325 | }; | |
326 | ||
9cc50fc6 SL |
327 | static const ctl_named_node_t arenas_hchunk_i_node[] = { |
328 | {NAME("size"), CTL(arenas_hchunk_i_size)} | |
329 | }; | |
330 | static const ctl_named_node_t super_arenas_hchunk_i_node[] = { | |
331 | {NAME(""), CHILD(named, arenas_hchunk_i)} | |
332 | }; | |
333 | ||
334 | static const ctl_indexed_node_t arenas_hchunk_node[] = { | |
335 | {INDEX(arenas_hchunk_i)} | |
336 | }; | |
337 | ||
970d7e83 | 338 | static const ctl_named_node_t arenas_node[] = { |
9cc50fc6 SL |
339 | {NAME("narenas"), CTL(arenas_narenas)}, |
340 | {NAME("initialized"), CTL(arenas_initialized)}, | |
341 | {NAME("lg_dirty_mult"), CTL(arenas_lg_dirty_mult)}, | |
342 | {NAME("quantum"), CTL(arenas_quantum)}, | |
343 | {NAME("page"), CTL(arenas_page)}, | |
344 | {NAME("tcache_max"), CTL(arenas_tcache_max)}, | |
345 | {NAME("nbins"), CTL(arenas_nbins)}, | |
346 | {NAME("nhbins"), CTL(arenas_nhbins)}, | |
347 | {NAME("bin"), CHILD(indexed, arenas_bin)}, | |
348 | {NAME("nlruns"), CTL(arenas_nlruns)}, | |
349 | {NAME("lrun"), CHILD(indexed, arenas_lrun)}, | |
350 | {NAME("nhchunks"), CTL(arenas_nhchunks)}, | |
351 | {NAME("hchunk"), CHILD(indexed, arenas_hchunk)}, | |
352 | {NAME("extend"), CTL(arenas_extend)} | |
970d7e83 LB |
353 | }; |
354 | ||
355 | static const ctl_named_node_t prof_node[] = { | |
1a4d82fc | 356 | {NAME("thread_active_init"), CTL(prof_thread_active_init)}, |
970d7e83 LB |
357 | {NAME("active"), CTL(prof_active)}, |
358 | {NAME("dump"), CTL(prof_dump)}, | |
9cc50fc6 | 359 | {NAME("gdump"), CTL(prof_gdump)}, |
1a4d82fc JJ |
360 | {NAME("reset"), CTL(prof_reset)}, |
361 | {NAME("interval"), CTL(prof_interval)}, | |
362 | {NAME("lg_sample"), CTL(lg_prof_sample)} | |
970d7e83 LB |
363 | }; |
364 | ||
9cc50fc6 SL |
365 | static const ctl_named_node_t stats_arenas_i_metadata_node[] = { |
366 | {NAME("mapped"), CTL(stats_arenas_i_metadata_mapped)}, | |
367 | {NAME("allocated"), CTL(stats_arenas_i_metadata_allocated)} | |
970d7e83 LB |
368 | }; |
369 | ||
970d7e83 | 370 | static const ctl_named_node_t stats_arenas_i_small_node[] = { |
9cc50fc6 SL |
371 | {NAME("allocated"), CTL(stats_arenas_i_small_allocated)}, |
372 | {NAME("nmalloc"), CTL(stats_arenas_i_small_nmalloc)}, | |
373 | {NAME("ndalloc"), CTL(stats_arenas_i_small_ndalloc)}, | |
374 | {NAME("nrequests"), CTL(stats_arenas_i_small_nrequests)} | |
970d7e83 LB |
375 | }; |
376 | ||
377 | static const ctl_named_node_t stats_arenas_i_large_node[] = { | |
9cc50fc6 SL |
378 | {NAME("allocated"), CTL(stats_arenas_i_large_allocated)}, |
379 | {NAME("nmalloc"), CTL(stats_arenas_i_large_nmalloc)}, | |
380 | {NAME("ndalloc"), CTL(stats_arenas_i_large_ndalloc)}, | |
381 | {NAME("nrequests"), CTL(stats_arenas_i_large_nrequests)} | |
970d7e83 LB |
382 | }; |
383 | ||
1a4d82fc | 384 | static const ctl_named_node_t stats_arenas_i_huge_node[] = { |
9cc50fc6 SL |
385 | {NAME("allocated"), CTL(stats_arenas_i_huge_allocated)}, |
386 | {NAME("nmalloc"), CTL(stats_arenas_i_huge_nmalloc)}, | |
387 | {NAME("ndalloc"), CTL(stats_arenas_i_huge_ndalloc)}, | |
388 | {NAME("nrequests"), CTL(stats_arenas_i_huge_nrequests)} | |
1a4d82fc JJ |
389 | }; |
390 | ||
970d7e83 | 391 | static const ctl_named_node_t stats_arenas_i_bins_j_node[] = { |
9cc50fc6 SL |
392 | {NAME("nmalloc"), CTL(stats_arenas_i_bins_j_nmalloc)}, |
393 | {NAME("ndalloc"), CTL(stats_arenas_i_bins_j_ndalloc)}, | |
394 | {NAME("nrequests"), CTL(stats_arenas_i_bins_j_nrequests)}, | |
395 | {NAME("curregs"), CTL(stats_arenas_i_bins_j_curregs)}, | |
396 | {NAME("nfills"), CTL(stats_arenas_i_bins_j_nfills)}, | |
397 | {NAME("nflushes"), CTL(stats_arenas_i_bins_j_nflushes)}, | |
398 | {NAME("nruns"), CTL(stats_arenas_i_bins_j_nruns)}, | |
399 | {NAME("nreruns"), CTL(stats_arenas_i_bins_j_nreruns)}, | |
400 | {NAME("curruns"), CTL(stats_arenas_i_bins_j_curruns)} | |
970d7e83 LB |
401 | }; |
402 | static const ctl_named_node_t super_stats_arenas_i_bins_j_node[] = { | |
9cc50fc6 | 403 | {NAME(""), CHILD(named, stats_arenas_i_bins_j)} |
970d7e83 LB |
404 | }; |
405 | ||
406 | static const ctl_indexed_node_t stats_arenas_i_bins_node[] = { | |
407 | {INDEX(stats_arenas_i_bins_j)} | |
408 | }; | |
409 | ||
410 | static const ctl_named_node_t stats_arenas_i_lruns_j_node[] = { | |
9cc50fc6 SL |
411 | {NAME("nmalloc"), CTL(stats_arenas_i_lruns_j_nmalloc)}, |
412 | {NAME("ndalloc"), CTL(stats_arenas_i_lruns_j_ndalloc)}, | |
413 | {NAME("nrequests"), CTL(stats_arenas_i_lruns_j_nrequests)}, | |
414 | {NAME("curruns"), CTL(stats_arenas_i_lruns_j_curruns)} | |
970d7e83 LB |
415 | }; |
416 | static const ctl_named_node_t super_stats_arenas_i_lruns_j_node[] = { | |
9cc50fc6 | 417 | {NAME(""), CHILD(named, stats_arenas_i_lruns_j)} |
970d7e83 LB |
418 | }; |
419 | ||
420 | static const ctl_indexed_node_t stats_arenas_i_lruns_node[] = { | |
421 | {INDEX(stats_arenas_i_lruns_j)} | |
422 | }; | |
423 | ||
9cc50fc6 SL |
424 | static const ctl_named_node_t stats_arenas_i_hchunks_j_node[] = { |
425 | {NAME("nmalloc"), CTL(stats_arenas_i_hchunks_j_nmalloc)}, | |
426 | {NAME("ndalloc"), CTL(stats_arenas_i_hchunks_j_ndalloc)}, | |
427 | {NAME("nrequests"), CTL(stats_arenas_i_hchunks_j_nrequests)}, | |
428 | {NAME("curhchunks"), CTL(stats_arenas_i_hchunks_j_curhchunks)} | |
429 | }; | |
430 | static const ctl_named_node_t super_stats_arenas_i_hchunks_j_node[] = { | |
431 | {NAME(""), CHILD(named, stats_arenas_i_hchunks_j)} | |
432 | }; | |
433 | ||
434 | static const ctl_indexed_node_t stats_arenas_i_hchunks_node[] = { | |
435 | {INDEX(stats_arenas_i_hchunks_j)} | |
436 | }; | |
437 | ||
970d7e83 | 438 | static const ctl_named_node_t stats_arenas_i_node[] = { |
9cc50fc6 SL |
439 | {NAME("nthreads"), CTL(stats_arenas_i_nthreads)}, |
440 | {NAME("dss"), CTL(stats_arenas_i_dss)}, | |
441 | {NAME("lg_dirty_mult"), CTL(stats_arenas_i_lg_dirty_mult)}, | |
442 | {NAME("pactive"), CTL(stats_arenas_i_pactive)}, | |
443 | {NAME("pdirty"), CTL(stats_arenas_i_pdirty)}, | |
444 | {NAME("mapped"), CTL(stats_arenas_i_mapped)}, | |
445 | {NAME("npurge"), CTL(stats_arenas_i_npurge)}, | |
446 | {NAME("nmadvise"), CTL(stats_arenas_i_nmadvise)}, | |
447 | {NAME("purged"), CTL(stats_arenas_i_purged)}, | |
448 | {NAME("metadata"), CHILD(named, stats_arenas_i_metadata)}, | |
449 | {NAME("small"), CHILD(named, stats_arenas_i_small)}, | |
450 | {NAME("large"), CHILD(named, stats_arenas_i_large)}, | |
451 | {NAME("huge"), CHILD(named, stats_arenas_i_huge)}, | |
452 | {NAME("bins"), CHILD(indexed, stats_arenas_i_bins)}, | |
453 | {NAME("lruns"), CHILD(indexed, stats_arenas_i_lruns)}, | |
454 | {NAME("hchunks"), CHILD(indexed, stats_arenas_i_hchunks)} | |
970d7e83 LB |
455 | }; |
456 | static const ctl_named_node_t super_stats_arenas_i_node[] = { | |
9cc50fc6 | 457 | {NAME(""), CHILD(named, stats_arenas_i)} |
970d7e83 LB |
458 | }; |
459 | ||
460 | static const ctl_indexed_node_t stats_arenas_node[] = { | |
461 | {INDEX(stats_arenas_i)} | |
462 | }; | |
463 | ||
464 | static const ctl_named_node_t stats_node[] = { | |
9cc50fc6 SL |
465 | {NAME("cactive"), CTL(stats_cactive)}, |
466 | {NAME("allocated"), CTL(stats_allocated)}, | |
467 | {NAME("active"), CTL(stats_active)}, | |
468 | {NAME("metadata"), CTL(stats_metadata)}, | |
469 | {NAME("resident"), CTL(stats_resident)}, | |
470 | {NAME("mapped"), CTL(stats_mapped)}, | |
471 | {NAME("arenas"), CHILD(indexed, stats_arenas)} | |
970d7e83 LB |
472 | }; |
473 | ||
474 | static const ctl_named_node_t root_node[] = { | |
475 | {NAME("version"), CTL(version)}, | |
476 | {NAME("epoch"), CTL(epoch)}, | |
477 | {NAME("thread"), CHILD(named, thread)}, | |
478 | {NAME("config"), CHILD(named, config)}, | |
479 | {NAME("opt"), CHILD(named, opt)}, | |
9cc50fc6 | 480 | {NAME("tcache"), CHILD(named, tcache)}, |
970d7e83 LB |
481 | {NAME("arena"), CHILD(indexed, arena)}, |
482 | {NAME("arenas"), CHILD(named, arenas)}, | |
483 | {NAME("prof"), CHILD(named, prof)}, | |
484 | {NAME("stats"), CHILD(named, stats)} | |
485 | }; | |
486 | static const ctl_named_node_t super_root_node[] = { | |
487 | {NAME(""), CHILD(named, root)} | |
488 | }; | |
489 | ||
490 | #undef NAME | |
491 | #undef CHILD | |
492 | #undef CTL | |
493 | #undef INDEX | |
494 | ||
495 | /******************************************************************************/ | |
496 | ||
497 | static bool | |
498 | ctl_arena_init(ctl_arena_stats_t *astats) | |
499 | { | |
500 | ||
501 | if (astats->lstats == NULL) { | |
9cc50fc6 | 502 | astats->lstats = (malloc_large_stats_t *)a0malloc(nlclasses * |
970d7e83 LB |
503 | sizeof(malloc_large_stats_t)); |
504 | if (astats->lstats == NULL) | |
505 | return (true); | |
506 | } | |
507 | ||
9cc50fc6 SL |
508 | if (astats->hstats == NULL) { |
509 | astats->hstats = (malloc_huge_stats_t *)a0malloc(nhclasses * | |
510 | sizeof(malloc_huge_stats_t)); | |
511 | if (astats->hstats == NULL) | |
512 | return (true); | |
513 | } | |
514 | ||
970d7e83 LB |
515 | return (false); |
516 | } | |
517 | ||
518 | static void | |
519 | ctl_arena_clear(ctl_arena_stats_t *astats) | |
520 | { | |
521 | ||
522 | astats->dss = dss_prec_names[dss_prec_limit]; | |
9cc50fc6 | 523 | astats->lg_dirty_mult = -1; |
970d7e83 LB |
524 | astats->pactive = 0; |
525 | astats->pdirty = 0; | |
526 | if (config_stats) { | |
527 | memset(&astats->astats, 0, sizeof(arena_stats_t)); | |
528 | astats->allocated_small = 0; | |
529 | astats->nmalloc_small = 0; | |
530 | astats->ndalloc_small = 0; | |
531 | astats->nrequests_small = 0; | |
532 | memset(astats->bstats, 0, NBINS * sizeof(malloc_bin_stats_t)); | |
533 | memset(astats->lstats, 0, nlclasses * | |
534 | sizeof(malloc_large_stats_t)); | |
9cc50fc6 SL |
535 | memset(astats->hstats, 0, nhclasses * |
536 | sizeof(malloc_huge_stats_t)); | |
970d7e83 LB |
537 | } |
538 | } | |
539 | ||
540 | static void | |
541 | ctl_arena_stats_amerge(ctl_arena_stats_t *cstats, arena_t *arena) | |
542 | { | |
543 | unsigned i; | |
544 | ||
9cc50fc6 SL |
545 | arena_stats_merge(arena, &cstats->dss, &cstats->lg_dirty_mult, |
546 | &cstats->pactive, &cstats->pdirty, &cstats->astats, cstats->bstats, | |
547 | cstats->lstats, cstats->hstats); | |
970d7e83 LB |
548 | |
549 | for (i = 0; i < NBINS; i++) { | |
9cc50fc6 SL |
550 | cstats->allocated_small += cstats->bstats[i].curregs * |
551 | index2size(i); | |
970d7e83 LB |
552 | cstats->nmalloc_small += cstats->bstats[i].nmalloc; |
553 | cstats->ndalloc_small += cstats->bstats[i].ndalloc; | |
554 | cstats->nrequests_small += cstats->bstats[i].nrequests; | |
555 | } | |
556 | } | |
557 | ||
558 | static void | |
559 | ctl_arena_stats_smerge(ctl_arena_stats_t *sstats, ctl_arena_stats_t *astats) | |
560 | { | |
561 | unsigned i; | |
562 | ||
563 | sstats->pactive += astats->pactive; | |
564 | sstats->pdirty += astats->pdirty; | |
565 | ||
566 | sstats->astats.mapped += astats->astats.mapped; | |
567 | sstats->astats.npurge += astats->astats.npurge; | |
568 | sstats->astats.nmadvise += astats->astats.nmadvise; | |
569 | sstats->astats.purged += astats->astats.purged; | |
570 | ||
9cc50fc6 SL |
571 | sstats->astats.metadata_mapped += astats->astats.metadata_mapped; |
572 | sstats->astats.metadata_allocated += astats->astats.metadata_allocated; | |
573 | ||
970d7e83 LB |
574 | sstats->allocated_small += astats->allocated_small; |
575 | sstats->nmalloc_small += astats->nmalloc_small; | |
576 | sstats->ndalloc_small += astats->ndalloc_small; | |
577 | sstats->nrequests_small += astats->nrequests_small; | |
578 | ||
579 | sstats->astats.allocated_large += astats->astats.allocated_large; | |
580 | sstats->astats.nmalloc_large += astats->astats.nmalloc_large; | |
581 | sstats->astats.ndalloc_large += astats->astats.ndalloc_large; | |
582 | sstats->astats.nrequests_large += astats->astats.nrequests_large; | |
583 | ||
1a4d82fc JJ |
584 | sstats->astats.allocated_huge += astats->astats.allocated_huge; |
585 | sstats->astats.nmalloc_huge += astats->astats.nmalloc_huge; | |
586 | sstats->astats.ndalloc_huge += astats->astats.ndalloc_huge; | |
970d7e83 LB |
587 | |
588 | for (i = 0; i < NBINS; i++) { | |
970d7e83 LB |
589 | sstats->bstats[i].nmalloc += astats->bstats[i].nmalloc; |
590 | sstats->bstats[i].ndalloc += astats->bstats[i].ndalloc; | |
591 | sstats->bstats[i].nrequests += astats->bstats[i].nrequests; | |
9cc50fc6 | 592 | sstats->bstats[i].curregs += astats->bstats[i].curregs; |
970d7e83 LB |
593 | if (config_tcache) { |
594 | sstats->bstats[i].nfills += astats->bstats[i].nfills; | |
595 | sstats->bstats[i].nflushes += | |
596 | astats->bstats[i].nflushes; | |
597 | } | |
598 | sstats->bstats[i].nruns += astats->bstats[i].nruns; | |
599 | sstats->bstats[i].reruns += astats->bstats[i].reruns; | |
600 | sstats->bstats[i].curruns += astats->bstats[i].curruns; | |
601 | } | |
9cc50fc6 SL |
602 | |
603 | for (i = 0; i < nlclasses; i++) { | |
604 | sstats->lstats[i].nmalloc += astats->lstats[i].nmalloc; | |
605 | sstats->lstats[i].ndalloc += astats->lstats[i].ndalloc; | |
606 | sstats->lstats[i].nrequests += astats->lstats[i].nrequests; | |
607 | sstats->lstats[i].curruns += astats->lstats[i].curruns; | |
608 | } | |
609 | ||
610 | for (i = 0; i < nhclasses; i++) { | |
611 | sstats->hstats[i].nmalloc += astats->hstats[i].nmalloc; | |
612 | sstats->hstats[i].ndalloc += astats->hstats[i].ndalloc; | |
613 | sstats->hstats[i].curhchunks += astats->hstats[i].curhchunks; | |
614 | } | |
970d7e83 LB |
615 | } |
616 | ||
617 | static void | |
618 | ctl_arena_refresh(arena_t *arena, unsigned i) | |
619 | { | |
620 | ctl_arena_stats_t *astats = &ctl_stats.arenas[i]; | |
621 | ctl_arena_stats_t *sstats = &ctl_stats.arenas[ctl_stats.narenas]; | |
622 | ||
623 | ctl_arena_clear(astats); | |
624 | ||
625 | sstats->nthreads += astats->nthreads; | |
626 | if (config_stats) { | |
627 | ctl_arena_stats_amerge(astats, arena); | |
628 | /* Merge into sum stats as well. */ | |
629 | ctl_arena_stats_smerge(sstats, astats); | |
630 | } else { | |
631 | astats->pactive += arena->nactive; | |
632 | astats->pdirty += arena->ndirty; | |
633 | /* Merge into sum stats as well. */ | |
634 | sstats->pactive += arena->nactive; | |
635 | sstats->pdirty += arena->ndirty; | |
636 | } | |
637 | } | |
638 | ||
639 | static bool | |
640 | ctl_grow(void) | |
641 | { | |
970d7e83 | 642 | ctl_arena_stats_t *astats; |
970d7e83 | 643 | |
9cc50fc6 SL |
644 | /* Initialize new arena. */ |
645 | if (arena_init(ctl_stats.narenas) == NULL) | |
646 | return (true); | |
970d7e83 | 647 | |
9cc50fc6 SL |
648 | /* Allocate extended arena stats. */ |
649 | astats = (ctl_arena_stats_t *)a0malloc((ctl_stats.narenas + 2) * | |
1a4d82fc JJ |
650 | sizeof(ctl_arena_stats_t)); |
651 | if (astats == NULL) | |
652 | return (true); | |
1a4d82fc JJ |
653 | |
654 | /* Initialize the new astats element. */ | |
655 | memcpy(astats, ctl_stats.arenas, (ctl_stats.narenas + 1) * | |
656 | sizeof(ctl_arena_stats_t)); | |
970d7e83 | 657 | memset(&astats[ctl_stats.narenas + 1], 0, sizeof(ctl_arena_stats_t)); |
1a4d82fc | 658 | if (ctl_arena_init(&astats[ctl_stats.narenas + 1])) { |
9cc50fc6 | 659 | a0dalloc(astats); |
970d7e83 | 660 | return (true); |
1a4d82fc | 661 | } |
970d7e83 LB |
662 | /* Swap merged stats to their new location. */ |
663 | { | |
664 | ctl_arena_stats_t tstats; | |
665 | memcpy(&tstats, &astats[ctl_stats.narenas], | |
666 | sizeof(ctl_arena_stats_t)); | |
667 | memcpy(&astats[ctl_stats.narenas], | |
668 | &astats[ctl_stats.narenas + 1], sizeof(ctl_arena_stats_t)); | |
669 | memcpy(&astats[ctl_stats.narenas + 1], &tstats, | |
670 | sizeof(ctl_arena_stats_t)); | |
671 | } | |
9cc50fc6 | 672 | a0dalloc(ctl_stats.arenas); |
970d7e83 LB |
673 | ctl_stats.arenas = astats; |
674 | ctl_stats.narenas++; | |
970d7e83 LB |
675 | |
676 | return (false); | |
677 | } | |
678 | ||
679 | static void | |
680 | ctl_refresh(void) | |
681 | { | |
9cc50fc6 | 682 | tsd_t *tsd; |
970d7e83 | 683 | unsigned i; |
9cc50fc6 | 684 | bool refreshed; |
970d7e83 LB |
685 | VARIABLE_ARRAY(arena_t *, tarenas, ctl_stats.narenas); |
686 | ||
970d7e83 LB |
687 | /* |
688 | * Clear sum stats, since they will be merged into by | |
689 | * ctl_arena_refresh(). | |
690 | */ | |
691 | ctl_stats.arenas[ctl_stats.narenas].nthreads = 0; | |
692 | ctl_arena_clear(&ctl_stats.arenas[ctl_stats.narenas]); | |
693 | ||
9cc50fc6 SL |
694 | tsd = tsd_fetch(); |
695 | for (i = 0, refreshed = false; i < ctl_stats.narenas; i++) { | |
696 | tarenas[i] = arena_get(tsd, i, false, false); | |
697 | if (tarenas[i] == NULL && !refreshed) { | |
698 | tarenas[i] = arena_get(tsd, i, false, true); | |
699 | refreshed = true; | |
700 | } | |
701 | } | |
702 | ||
970d7e83 | 703 | for (i = 0; i < ctl_stats.narenas; i++) { |
9cc50fc6 SL |
704 | if (tarenas[i] != NULL) |
705 | ctl_stats.arenas[i].nthreads = arena_nbound(i); | |
970d7e83 LB |
706 | else |
707 | ctl_stats.arenas[i].nthreads = 0; | |
708 | } | |
9cc50fc6 | 709 | |
970d7e83 LB |
710 | for (i = 0; i < ctl_stats.narenas; i++) { |
711 | bool initialized = (tarenas[i] != NULL); | |
712 | ||
713 | ctl_stats.arenas[i].initialized = initialized; | |
714 | if (initialized) | |
715 | ctl_arena_refresh(tarenas[i], i); | |
716 | } | |
717 | ||
718 | if (config_stats) { | |
9cc50fc6 SL |
719 | size_t base_allocated, base_resident, base_mapped; |
720 | base_stats_get(&base_allocated, &base_resident, &base_mapped); | |
970d7e83 | 721 | ctl_stats.allocated = |
9cc50fc6 SL |
722 | ctl_stats.arenas[ctl_stats.narenas].allocated_small + |
723 | ctl_stats.arenas[ctl_stats.narenas].astats.allocated_large + | |
724 | ctl_stats.arenas[ctl_stats.narenas].astats.allocated_huge; | |
970d7e83 | 725 | ctl_stats.active = |
1a4d82fc | 726 | (ctl_stats.arenas[ctl_stats.narenas].pactive << LG_PAGE); |
9cc50fc6 SL |
727 | ctl_stats.metadata = base_allocated + |
728 | ctl_stats.arenas[ctl_stats.narenas].astats.metadata_mapped + | |
729 | ctl_stats.arenas[ctl_stats.narenas].astats | |
730 | .metadata_allocated; | |
731 | ctl_stats.resident = base_resident + | |
732 | ctl_stats.arenas[ctl_stats.narenas].astats.metadata_mapped + | |
733 | ((ctl_stats.arenas[ctl_stats.narenas].pactive + | |
734 | ctl_stats.arenas[ctl_stats.narenas].pdirty) << LG_PAGE); | |
735 | ctl_stats.mapped = base_mapped + | |
736 | ctl_stats.arenas[ctl_stats.narenas].astats.mapped; | |
970d7e83 LB |
737 | } |
738 | ||
739 | ctl_epoch++; | |
740 | } | |
741 | ||
742 | static bool | |
743 | ctl_init(void) | |
744 | { | |
745 | bool ret; | |
746 | ||
747 | malloc_mutex_lock(&ctl_mtx); | |
1a4d82fc | 748 | if (!ctl_initialized) { |
970d7e83 LB |
749 | /* |
750 | * Allocate space for one extra arena stats element, which | |
751 | * contains summed stats across all arenas. | |
752 | */ | |
9cc50fc6 SL |
753 | ctl_stats.narenas = narenas_total_get(); |
754 | ctl_stats.arenas = (ctl_arena_stats_t *)a0malloc( | |
970d7e83 LB |
755 | (ctl_stats.narenas + 1) * sizeof(ctl_arena_stats_t)); |
756 | if (ctl_stats.arenas == NULL) { | |
757 | ret = true; | |
758 | goto label_return; | |
759 | } | |
760 | memset(ctl_stats.arenas, 0, (ctl_stats.narenas + 1) * | |
761 | sizeof(ctl_arena_stats_t)); | |
762 | ||
763 | /* | |
764 | * Initialize all stats structures, regardless of whether they | |
765 | * ever get used. Lazy initialization would allow errors to | |
766 | * cause inconsistent state to be viewable by the application. | |
767 | */ | |
768 | if (config_stats) { | |
769 | unsigned i; | |
770 | for (i = 0; i <= ctl_stats.narenas; i++) { | |
771 | if (ctl_arena_init(&ctl_stats.arenas[i])) { | |
9cc50fc6 SL |
772 | unsigned j; |
773 | for (j = 0; j < i; j++) { | |
774 | a0dalloc( | |
775 | ctl_stats.arenas[j].lstats); | |
776 | a0dalloc( | |
777 | ctl_stats.arenas[j].hstats); | |
778 | } | |
779 | a0dalloc(ctl_stats.arenas); | |
780 | ctl_stats.arenas = NULL; | |
970d7e83 LB |
781 | ret = true; |
782 | goto label_return; | |
783 | } | |
784 | } | |
785 | } | |
786 | ctl_stats.arenas[ctl_stats.narenas].initialized = true; | |
787 | ||
788 | ctl_epoch = 0; | |
789 | ctl_refresh(); | |
790 | ctl_initialized = true; | |
791 | } | |
792 | ||
793 | ret = false; | |
794 | label_return: | |
795 | malloc_mutex_unlock(&ctl_mtx); | |
796 | return (ret); | |
797 | } | |
798 | ||
799 | static int | |
800 | ctl_lookup(const char *name, ctl_node_t const **nodesp, size_t *mibp, | |
801 | size_t *depthp) | |
802 | { | |
803 | int ret; | |
804 | const char *elm, *tdot, *dot; | |
805 | size_t elen, i, j; | |
806 | const ctl_named_node_t *node; | |
807 | ||
808 | elm = name; | |
809 | /* Equivalent to strchrnul(). */ | |
810 | dot = ((tdot = strchr(elm, '.')) != NULL) ? tdot : strchr(elm, '\0'); | |
811 | elen = (size_t)((uintptr_t)dot - (uintptr_t)elm); | |
812 | if (elen == 0) { | |
813 | ret = ENOENT; | |
814 | goto label_return; | |
815 | } | |
816 | node = super_root_node; | |
817 | for (i = 0; i < *depthp; i++) { | |
818 | assert(node); | |
819 | assert(node->nchildren > 0); | |
820 | if (ctl_named_node(node->children) != NULL) { | |
821 | const ctl_named_node_t *pnode = node; | |
822 | ||
823 | /* Children are named. */ | |
824 | for (j = 0; j < node->nchildren; j++) { | |
825 | const ctl_named_node_t *child = | |
826 | ctl_named_children(node, j); | |
827 | if (strlen(child->name) == elen && | |
828 | strncmp(elm, child->name, elen) == 0) { | |
829 | node = child; | |
830 | if (nodesp != NULL) | |
831 | nodesp[i] = | |
832 | (const ctl_node_t *)node; | |
833 | mibp[i] = j; | |
834 | break; | |
835 | } | |
836 | } | |
837 | if (node == pnode) { | |
838 | ret = ENOENT; | |
839 | goto label_return; | |
840 | } | |
841 | } else { | |
842 | uintmax_t index; | |
843 | const ctl_indexed_node_t *inode; | |
844 | ||
845 | /* Children are indexed. */ | |
846 | index = malloc_strtoumax(elm, NULL, 10); | |
847 | if (index == UINTMAX_MAX || index > SIZE_T_MAX) { | |
848 | ret = ENOENT; | |
849 | goto label_return; | |
850 | } | |
851 | ||
852 | inode = ctl_indexed_node(node->children); | |
853 | node = inode->index(mibp, *depthp, (size_t)index); | |
854 | if (node == NULL) { | |
855 | ret = ENOENT; | |
856 | goto label_return; | |
857 | } | |
858 | ||
859 | if (nodesp != NULL) | |
860 | nodesp[i] = (const ctl_node_t *)node; | |
861 | mibp[i] = (size_t)index; | |
862 | } | |
863 | ||
864 | if (node->ctl != NULL) { | |
865 | /* Terminal node. */ | |
866 | if (*dot != '\0') { | |
867 | /* | |
868 | * The name contains more elements than are | |
869 | * in this path through the tree. | |
870 | */ | |
871 | ret = ENOENT; | |
872 | goto label_return; | |
873 | } | |
874 | /* Complete lookup successful. */ | |
875 | *depthp = i + 1; | |
876 | break; | |
877 | } | |
878 | ||
879 | /* Update elm. */ | |
880 | if (*dot == '\0') { | |
881 | /* No more elements. */ | |
882 | ret = ENOENT; | |
883 | goto label_return; | |
884 | } | |
885 | elm = &dot[1]; | |
886 | dot = ((tdot = strchr(elm, '.')) != NULL) ? tdot : | |
887 | strchr(elm, '\0'); | |
888 | elen = (size_t)((uintptr_t)dot - (uintptr_t)elm); | |
889 | } | |
890 | ||
891 | ret = 0; | |
892 | label_return: | |
893 | return (ret); | |
894 | } | |
895 | ||
896 | int | |
897 | ctl_byname(const char *name, void *oldp, size_t *oldlenp, void *newp, | |
898 | size_t newlen) | |
899 | { | |
900 | int ret; | |
901 | size_t depth; | |
902 | ctl_node_t const *nodes[CTL_MAX_DEPTH]; | |
903 | size_t mib[CTL_MAX_DEPTH]; | |
904 | const ctl_named_node_t *node; | |
905 | ||
1a4d82fc | 906 | if (!ctl_initialized && ctl_init()) { |
970d7e83 LB |
907 | ret = EAGAIN; |
908 | goto label_return; | |
909 | } | |
910 | ||
911 | depth = CTL_MAX_DEPTH; | |
912 | ret = ctl_lookup(name, nodes, mib, &depth); | |
913 | if (ret != 0) | |
914 | goto label_return; | |
915 | ||
916 | node = ctl_named_node(nodes[depth-1]); | |
917 | if (node != NULL && node->ctl) | |
918 | ret = node->ctl(mib, depth, oldp, oldlenp, newp, newlen); | |
919 | else { | |
920 | /* The name refers to a partial path through the ctl tree. */ | |
921 | ret = ENOENT; | |
922 | } | |
923 | ||
924 | label_return: | |
925 | return(ret); | |
926 | } | |
927 | ||
928 | int | |
929 | ctl_nametomib(const char *name, size_t *mibp, size_t *miblenp) | |
930 | { | |
931 | int ret; | |
932 | ||
1a4d82fc | 933 | if (!ctl_initialized && ctl_init()) { |
970d7e83 LB |
934 | ret = EAGAIN; |
935 | goto label_return; | |
936 | } | |
937 | ||
938 | ret = ctl_lookup(name, NULL, mibp, miblenp); | |
939 | label_return: | |
940 | return(ret); | |
941 | } | |
942 | ||
943 | int | |
944 | ctl_bymib(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, | |
945 | void *newp, size_t newlen) | |
946 | { | |
947 | int ret; | |
948 | const ctl_named_node_t *node; | |
949 | size_t i; | |
950 | ||
1a4d82fc | 951 | if (!ctl_initialized && ctl_init()) { |
970d7e83 LB |
952 | ret = EAGAIN; |
953 | goto label_return; | |
954 | } | |
955 | ||
956 | /* Iterate down the tree. */ | |
957 | node = super_root_node; | |
958 | for (i = 0; i < miblen; i++) { | |
959 | assert(node); | |
960 | assert(node->nchildren > 0); | |
961 | if (ctl_named_node(node->children) != NULL) { | |
962 | /* Children are named. */ | |
963 | if (node->nchildren <= mib[i]) { | |
964 | ret = ENOENT; | |
965 | goto label_return; | |
966 | } | |
967 | node = ctl_named_children(node, mib[i]); | |
968 | } else { | |
969 | const ctl_indexed_node_t *inode; | |
970 | ||
971 | /* Indexed element. */ | |
972 | inode = ctl_indexed_node(node->children); | |
973 | node = inode->index(mib, miblen, mib[i]); | |
974 | if (node == NULL) { | |
975 | ret = ENOENT; | |
976 | goto label_return; | |
977 | } | |
978 | } | |
979 | } | |
980 | ||
981 | /* Call the ctl function. */ | |
982 | if (node && node->ctl) | |
983 | ret = node->ctl(mib, miblen, oldp, oldlenp, newp, newlen); | |
984 | else { | |
985 | /* Partial MIB. */ | |
986 | ret = ENOENT; | |
987 | } | |
988 | ||
989 | label_return: | |
990 | return(ret); | |
991 | } | |
992 | ||
993 | bool | |
994 | ctl_boot(void) | |
995 | { | |
996 | ||
997 | if (malloc_mutex_init(&ctl_mtx)) | |
998 | return (true); | |
999 | ||
1000 | ctl_initialized = false; | |
1001 | ||
1002 | return (false); | |
1003 | } | |
1004 | ||
1005 | void | |
1006 | ctl_prefork(void) | |
1007 | { | |
1008 | ||
1a4d82fc | 1009 | malloc_mutex_prefork(&ctl_mtx); |
970d7e83 LB |
1010 | } |
1011 | ||
1012 | void | |
1013 | ctl_postfork_parent(void) | |
1014 | { | |
1015 | ||
1016 | malloc_mutex_postfork_parent(&ctl_mtx); | |
1017 | } | |
1018 | ||
1019 | void | |
1020 | ctl_postfork_child(void) | |
1021 | { | |
1022 | ||
1023 | malloc_mutex_postfork_child(&ctl_mtx); | |
1024 | } | |
1025 | ||
1026 | /******************************************************************************/ | |
1027 | /* *_ctl() functions. */ | |
1028 | ||
1029 | #define READONLY() do { \ | |
1030 | if (newp != NULL || newlen != 0) { \ | |
1031 | ret = EPERM; \ | |
1032 | goto label_return; \ | |
1033 | } \ | |
1034 | } while (0) | |
1035 | ||
1036 | #define WRITEONLY() do { \ | |
1037 | if (oldp != NULL || oldlenp != NULL) { \ | |
1038 | ret = EPERM; \ | |
1039 | goto label_return; \ | |
1040 | } \ | |
1041 | } while (0) | |
1042 | ||
1a4d82fc JJ |
1043 | #define READ_XOR_WRITE() do { \ |
1044 | if ((oldp != NULL && oldlenp != NULL) && (newp != NULL || \ | |
1045 | newlen != 0)) { \ | |
1046 | ret = EPERM; \ | |
1047 | goto label_return; \ | |
1048 | } \ | |
1049 | } while (0) | |
1050 | ||
970d7e83 LB |
1051 | #define READ(v, t) do { \ |
1052 | if (oldp != NULL && oldlenp != NULL) { \ | |
1053 | if (*oldlenp != sizeof(t)) { \ | |
1054 | size_t copylen = (sizeof(t) <= *oldlenp) \ | |
1055 | ? sizeof(t) : *oldlenp; \ | |
1056 | memcpy(oldp, (void *)&(v), copylen); \ | |
1057 | ret = EINVAL; \ | |
1058 | goto label_return; \ | |
9cc50fc6 SL |
1059 | } \ |
1060 | *(t *)oldp = (v); \ | |
970d7e83 LB |
1061 | } \ |
1062 | } while (0) | |
1063 | ||
1064 | #define WRITE(v, t) do { \ | |
1065 | if (newp != NULL) { \ | |
1066 | if (newlen != sizeof(t)) { \ | |
1067 | ret = EINVAL; \ | |
1068 | goto label_return; \ | |
1069 | } \ | |
1070 | (v) = *(t *)newp; \ | |
1071 | } \ | |
1072 | } while (0) | |
1073 | ||
1074 | /* | |
1075 | * There's a lot of code duplication in the following macros due to limitations | |
1076 | * in how nested cpp macros are expanded. | |
1077 | */ | |
1078 | #define CTL_RO_CLGEN(c, l, n, v, t) \ | |
1079 | static int \ | |
1080 | n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ | |
1081 | void *newp, size_t newlen) \ | |
1082 | { \ | |
1083 | int ret; \ | |
1084 | t oldval; \ | |
1085 | \ | |
1a4d82fc | 1086 | if (!(c)) \ |
970d7e83 LB |
1087 | return (ENOENT); \ |
1088 | if (l) \ | |
1089 | malloc_mutex_lock(&ctl_mtx); \ | |
1090 | READONLY(); \ | |
1091 | oldval = (v); \ | |
1092 | READ(oldval, t); \ | |
1093 | \ | |
1094 | ret = 0; \ | |
1095 | label_return: \ | |
1096 | if (l) \ | |
1097 | malloc_mutex_unlock(&ctl_mtx); \ | |
1098 | return (ret); \ | |
1099 | } | |
1100 | ||
1101 | #define CTL_RO_CGEN(c, n, v, t) \ | |
1102 | static int \ | |
1103 | n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ | |
1104 | void *newp, size_t newlen) \ | |
1105 | { \ | |
1106 | int ret; \ | |
1107 | t oldval; \ | |
1108 | \ | |
1a4d82fc | 1109 | if (!(c)) \ |
970d7e83 LB |
1110 | return (ENOENT); \ |
1111 | malloc_mutex_lock(&ctl_mtx); \ | |
1112 | READONLY(); \ | |
1113 | oldval = (v); \ | |
1114 | READ(oldval, t); \ | |
1115 | \ | |
1116 | ret = 0; \ | |
1117 | label_return: \ | |
1118 | malloc_mutex_unlock(&ctl_mtx); \ | |
1119 | return (ret); \ | |
1120 | } | |
1121 | ||
1122 | #define CTL_RO_GEN(n, v, t) \ | |
1123 | static int \ | |
1124 | n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ | |
1125 | void *newp, size_t newlen) \ | |
1126 | { \ | |
1127 | int ret; \ | |
1128 | t oldval; \ | |
1129 | \ | |
1130 | malloc_mutex_lock(&ctl_mtx); \ | |
1131 | READONLY(); \ | |
1132 | oldval = (v); \ | |
1133 | READ(oldval, t); \ | |
1134 | \ | |
1135 | ret = 0; \ | |
1136 | label_return: \ | |
1137 | malloc_mutex_unlock(&ctl_mtx); \ | |
1138 | return (ret); \ | |
1139 | } | |
1140 | ||
1141 | /* | |
1142 | * ctl_mtx is not acquired, under the assumption that no pertinent data will | |
1143 | * mutate during the call. | |
1144 | */ | |
1145 | #define CTL_RO_NL_CGEN(c, n, v, t) \ | |
1146 | static int \ | |
1147 | n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ | |
1148 | void *newp, size_t newlen) \ | |
1149 | { \ | |
1150 | int ret; \ | |
1151 | t oldval; \ | |
1152 | \ | |
1a4d82fc | 1153 | if (!(c)) \ |
970d7e83 LB |
1154 | return (ENOENT); \ |
1155 | READONLY(); \ | |
1156 | oldval = (v); \ | |
1157 | READ(oldval, t); \ | |
1158 | \ | |
1159 | ret = 0; \ | |
1160 | label_return: \ | |
1161 | return (ret); \ | |
1162 | } | |
1163 | ||
1164 | #define CTL_RO_NL_GEN(n, v, t) \ | |
1165 | static int \ | |
1166 | n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ | |
1167 | void *newp, size_t newlen) \ | |
1168 | { \ | |
1169 | int ret; \ | |
1170 | t oldval; \ | |
1171 | \ | |
1172 | READONLY(); \ | |
1173 | oldval = (v); \ | |
1174 | READ(oldval, t); \ | |
1175 | \ | |
1176 | ret = 0; \ | |
1177 | label_return: \ | |
1178 | return (ret); \ | |
1179 | } | |
1180 | ||
1a4d82fc JJ |
1181 | #define CTL_TSD_RO_NL_CGEN(c, n, m, t) \ |
1182 | static int \ | |
1183 | n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ | |
1184 | void *newp, size_t newlen) \ | |
1185 | { \ | |
1186 | int ret; \ | |
1187 | t oldval; \ | |
1188 | tsd_t *tsd; \ | |
1189 | \ | |
1190 | if (!(c)) \ | |
1191 | return (ENOENT); \ | |
1192 | READONLY(); \ | |
1193 | tsd = tsd_fetch(); \ | |
1194 | oldval = (m(tsd)); \ | |
1195 | READ(oldval, t); \ | |
1196 | \ | |
1197 | ret = 0; \ | |
1198 | label_return: \ | |
1199 | return (ret); \ | |
1200 | } | |
1201 | ||
970d7e83 LB |
1202 | #define CTL_RO_BOOL_CONFIG_GEN(n) \ |
1203 | static int \ | |
1204 | n##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ | |
1205 | void *newp, size_t newlen) \ | |
1206 | { \ | |
1207 | int ret; \ | |
1208 | bool oldval; \ | |
1209 | \ | |
1210 | READONLY(); \ | |
1211 | oldval = n; \ | |
1212 | READ(oldval, bool); \ | |
1213 | \ | |
1214 | ret = 0; \ | |
1215 | label_return: \ | |
1216 | return (ret); \ | |
1217 | } | |
1218 | ||
1a4d82fc JJ |
1219 | /******************************************************************************/ |
1220 | ||
970d7e83 LB |
1221 | CTL_RO_NL_GEN(version, JEMALLOC_VERSION, const char *) |
1222 | ||
1223 | static int | |
1224 | epoch_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, | |
1225 | void *newp, size_t newlen) | |
1226 | { | |
1227 | int ret; | |
1a4d82fc | 1228 | UNUSED uint64_t newval; |
970d7e83 LB |
1229 | |
1230 | malloc_mutex_lock(&ctl_mtx); | |
1231 | WRITE(newval, uint64_t); | |
1232 | if (newp != NULL) | |
1233 | ctl_refresh(); | |
1234 | READ(ctl_epoch, uint64_t); | |
1235 | ||
1236 | ret = 0; | |
1237 | label_return: | |
1238 | malloc_mutex_unlock(&ctl_mtx); | |
1239 | return (ret); | |
1240 | } | |
1241 | ||
1a4d82fc JJ |
1242 | /******************************************************************************/ |
1243 | ||
9cc50fc6 | 1244 | CTL_RO_BOOL_CONFIG_GEN(config_cache_oblivious) |
1a4d82fc JJ |
1245 | CTL_RO_BOOL_CONFIG_GEN(config_debug) |
1246 | CTL_RO_BOOL_CONFIG_GEN(config_fill) | |
1247 | CTL_RO_BOOL_CONFIG_GEN(config_lazy_lock) | |
1248 | CTL_RO_BOOL_CONFIG_GEN(config_munmap) | |
1249 | CTL_RO_BOOL_CONFIG_GEN(config_prof) | |
1250 | CTL_RO_BOOL_CONFIG_GEN(config_prof_libgcc) | |
1251 | CTL_RO_BOOL_CONFIG_GEN(config_prof_libunwind) | |
1252 | CTL_RO_BOOL_CONFIG_GEN(config_stats) | |
1253 | CTL_RO_BOOL_CONFIG_GEN(config_tcache) | |
1254 | CTL_RO_BOOL_CONFIG_GEN(config_tls) | |
1255 | CTL_RO_BOOL_CONFIG_GEN(config_utrace) | |
1256 | CTL_RO_BOOL_CONFIG_GEN(config_valgrind) | |
1257 | CTL_RO_BOOL_CONFIG_GEN(config_xmalloc) | |
1258 | ||
1259 | /******************************************************************************/ | |
1260 | ||
1261 | CTL_RO_NL_GEN(opt_abort, opt_abort, bool) | |
1262 | CTL_RO_NL_GEN(opt_dss, opt_dss, const char *) | |
1263 | CTL_RO_NL_GEN(opt_lg_chunk, opt_lg_chunk, size_t) | |
1264 | CTL_RO_NL_GEN(opt_narenas, opt_narenas, size_t) | |
1265 | CTL_RO_NL_GEN(opt_lg_dirty_mult, opt_lg_dirty_mult, ssize_t) | |
1266 | CTL_RO_NL_GEN(opt_stats_print, opt_stats_print, bool) | |
9cc50fc6 | 1267 | CTL_RO_NL_CGEN(config_fill, opt_junk, opt_junk, const char *) |
1a4d82fc JJ |
1268 | CTL_RO_NL_CGEN(config_fill, opt_quarantine, opt_quarantine, size_t) |
1269 | CTL_RO_NL_CGEN(config_fill, opt_redzone, opt_redzone, bool) | |
1270 | CTL_RO_NL_CGEN(config_fill, opt_zero, opt_zero, bool) | |
1271 | CTL_RO_NL_CGEN(config_utrace, opt_utrace, opt_utrace, bool) | |
1272 | CTL_RO_NL_CGEN(config_xmalloc, opt_xmalloc, opt_xmalloc, bool) | |
1273 | CTL_RO_NL_CGEN(config_tcache, opt_tcache, opt_tcache, bool) | |
1274 | CTL_RO_NL_CGEN(config_tcache, opt_lg_tcache_max, opt_lg_tcache_max, ssize_t) | |
1275 | CTL_RO_NL_CGEN(config_prof, opt_prof, opt_prof, bool) | |
1276 | CTL_RO_NL_CGEN(config_prof, opt_prof_prefix, opt_prof_prefix, const char *) | |
1277 | CTL_RO_NL_CGEN(config_prof, opt_prof_active, opt_prof_active, bool) | |
1278 | CTL_RO_NL_CGEN(config_prof, opt_prof_thread_active_init, | |
1279 | opt_prof_thread_active_init, bool) | |
1280 | CTL_RO_NL_CGEN(config_prof, opt_lg_prof_sample, opt_lg_prof_sample, size_t) | |
1281 | CTL_RO_NL_CGEN(config_prof, opt_prof_accum, opt_prof_accum, bool) | |
1282 | CTL_RO_NL_CGEN(config_prof, opt_lg_prof_interval, opt_lg_prof_interval, ssize_t) | |
1283 | CTL_RO_NL_CGEN(config_prof, opt_prof_gdump, opt_prof_gdump, bool) | |
1284 | CTL_RO_NL_CGEN(config_prof, opt_prof_final, opt_prof_final, bool) | |
1285 | CTL_RO_NL_CGEN(config_prof, opt_prof_leak, opt_prof_leak, bool) | |
1286 | ||
1287 | /******************************************************************************/ | |
1288 | ||
1289 | static int | |
1290 | thread_arena_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, | |
1291 | void *newp, size_t newlen) | |
1292 | { | |
1293 | int ret; | |
1294 | tsd_t *tsd; | |
9cc50fc6 | 1295 | arena_t *oldarena; |
1a4d82fc JJ |
1296 | unsigned newind, oldind; |
1297 | ||
1298 | tsd = tsd_fetch(); | |
9cc50fc6 SL |
1299 | oldarena = arena_choose(tsd, NULL); |
1300 | if (oldarena == NULL) | |
1301 | return (EAGAIN); | |
1a4d82fc JJ |
1302 | |
1303 | malloc_mutex_lock(&ctl_mtx); | |
9cc50fc6 | 1304 | newind = oldind = oldarena->ind; |
1a4d82fc JJ |
1305 | WRITE(newind, unsigned); |
1306 | READ(oldind, unsigned); | |
1307 | if (newind != oldind) { | |
9cc50fc6 | 1308 | arena_t *newarena; |
1a4d82fc JJ |
1309 | |
1310 | if (newind >= ctl_stats.narenas) { | |
1311 | /* New arena index is out of range. */ | |
1312 | ret = EFAULT; | |
1313 | goto label_return; | |
1314 | } | |
1315 | ||
1316 | /* Initialize arena if necessary. */ | |
9cc50fc6 SL |
1317 | newarena = arena_get(tsd, newind, true, true); |
1318 | if (newarena == NULL) { | |
1a4d82fc JJ |
1319 | ret = EAGAIN; |
1320 | goto label_return; | |
1321 | } | |
9cc50fc6 SL |
1322 | /* Set new arena/tcache associations. */ |
1323 | arena_migrate(tsd, oldind, newind); | |
1a4d82fc JJ |
1324 | if (config_tcache) { |
1325 | tcache_t *tcache = tsd_tcache_get(tsd); | |
1326 | if (tcache != NULL) { | |
9cc50fc6 SL |
1327 | tcache_arena_reassociate(tcache, oldarena, |
1328 | newarena); | |
1a4d82fc JJ |
1329 | } |
1330 | } | |
1a4d82fc JJ |
1331 | } |
1332 | ||
1333 | ret = 0; | |
1334 | label_return: | |
1335 | malloc_mutex_unlock(&ctl_mtx); | |
1336 | return (ret); | |
1337 | } | |
1338 | ||
1339 | CTL_TSD_RO_NL_CGEN(config_stats, thread_allocated, tsd_thread_allocated_get, | |
1340 | uint64_t) | |
1341 | CTL_TSD_RO_NL_CGEN(config_stats, thread_allocatedp, tsd_thread_allocatedp_get, | |
1342 | uint64_t *) | |
1343 | CTL_TSD_RO_NL_CGEN(config_stats, thread_deallocated, tsd_thread_deallocated_get, | |
1344 | uint64_t) | |
1345 | CTL_TSD_RO_NL_CGEN(config_stats, thread_deallocatedp, | |
1346 | tsd_thread_deallocatedp_get, uint64_t *) | |
1347 | ||
970d7e83 LB |
1348 | static int |
1349 | thread_tcache_enabled_ctl(const size_t *mib, size_t miblen, void *oldp, | |
1350 | size_t *oldlenp, void *newp, size_t newlen) | |
1351 | { | |
1352 | int ret; | |
1353 | bool oldval; | |
1354 | ||
1a4d82fc | 1355 | if (!config_tcache) |
970d7e83 LB |
1356 | return (ENOENT); |
1357 | ||
1358 | oldval = tcache_enabled_get(); | |
1359 | if (newp != NULL) { | |
1360 | if (newlen != sizeof(bool)) { | |
1361 | ret = EINVAL; | |
1362 | goto label_return; | |
1363 | } | |
1364 | tcache_enabled_set(*(bool *)newp); | |
1365 | } | |
1366 | READ(oldval, bool); | |
1367 | ||
1368 | ret = 0; | |
1369 | label_return: | |
1370 | return (ret); | |
1371 | } | |
1372 | ||
1373 | static int | |
1374 | thread_tcache_flush_ctl(const size_t *mib, size_t miblen, void *oldp, | |
1375 | size_t *oldlenp, void *newp, size_t newlen) | |
1376 | { | |
1377 | int ret; | |
1378 | ||
1a4d82fc | 1379 | if (!config_tcache) |
970d7e83 LB |
1380 | return (ENOENT); |
1381 | ||
1382 | READONLY(); | |
1383 | WRITEONLY(); | |
1384 | ||
1385 | tcache_flush(); | |
1386 | ||
1387 | ret = 0; | |
1388 | label_return: | |
1389 | return (ret); | |
1390 | } | |
1391 | ||
1392 | static int | |
1a4d82fc JJ |
1393 | thread_prof_name_ctl(const size_t *mib, size_t miblen, void *oldp, |
1394 | size_t *oldlenp, void *newp, size_t newlen) | |
970d7e83 LB |
1395 | { |
1396 | int ret; | |
970d7e83 | 1397 | |
1a4d82fc JJ |
1398 | if (!config_prof) |
1399 | return (ENOENT); | |
970d7e83 | 1400 | |
1a4d82fc | 1401 | READ_XOR_WRITE(); |
970d7e83 | 1402 | |
1a4d82fc JJ |
1403 | if (newp != NULL) { |
1404 | tsd_t *tsd; | |
1405 | ||
1406 | if (newlen != sizeof(const char *)) { | |
1407 | ret = EINVAL; | |
970d7e83 LB |
1408 | goto label_return; |
1409 | } | |
970d7e83 | 1410 | |
1a4d82fc JJ |
1411 | tsd = tsd_fetch(); |
1412 | ||
1413 | if ((ret = prof_thread_name_set(tsd, *(const char **)newp)) != | |
1414 | 0) | |
1415 | goto label_return; | |
1416 | } else { | |
1417 | const char *oldname = prof_thread_name_get(); | |
1418 | READ(oldname, const char *); | |
970d7e83 LB |
1419 | } |
1420 | ||
1421 | ret = 0; | |
1422 | label_return: | |
970d7e83 LB |
1423 | return (ret); |
1424 | } | |
1425 | ||
1a4d82fc JJ |
1426 | static int |
1427 | thread_prof_active_ctl(const size_t *mib, size_t miblen, void *oldp, | |
1428 | size_t *oldlenp, void *newp, size_t newlen) | |
1429 | { | |
1430 | int ret; | |
1431 | bool oldval; | |
970d7e83 | 1432 | |
1a4d82fc JJ |
1433 | if (!config_prof) |
1434 | return (ENOENT); | |
970d7e83 | 1435 | |
1a4d82fc JJ |
1436 | oldval = prof_thread_active_get(); |
1437 | if (newp != NULL) { | |
1438 | if (newlen != sizeof(bool)) { | |
1439 | ret = EINVAL; | |
1440 | goto label_return; | |
1441 | } | |
1442 | if (prof_thread_active_set(*(bool *)newp)) { | |
1443 | ret = EAGAIN; | |
1444 | goto label_return; | |
1445 | } | |
1446 | } | |
1447 | READ(oldval, bool); | |
970d7e83 | 1448 | |
1a4d82fc JJ |
1449 | ret = 0; |
1450 | label_return: | |
1451 | return (ret); | |
1452 | } | |
970d7e83 LB |
1453 | |
1454 | /******************************************************************************/ | |
1455 | ||
9cc50fc6 SL |
1456 | static int |
1457 | tcache_create_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, | |
1458 | void *newp, size_t newlen) | |
1459 | { | |
1460 | int ret; | |
1461 | tsd_t *tsd; | |
1462 | unsigned tcache_ind; | |
1463 | ||
1464 | if (!config_tcache) | |
1465 | return (ENOENT); | |
1466 | ||
1467 | tsd = tsd_fetch(); | |
1468 | ||
1469 | malloc_mutex_lock(&ctl_mtx); | |
1470 | READONLY(); | |
1471 | if (tcaches_create(tsd, &tcache_ind)) { | |
1472 | ret = EFAULT; | |
1473 | goto label_return; | |
1474 | } | |
1475 | READ(tcache_ind, unsigned); | |
1476 | ||
1477 | ret = 0; | |
1478 | label_return: | |
1479 | malloc_mutex_unlock(&ctl_mtx); | |
1480 | return (ret); | |
1481 | } | |
1482 | ||
1483 | static int | |
1484 | tcache_flush_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, | |
1485 | void *newp, size_t newlen) | |
1486 | { | |
1487 | int ret; | |
1488 | tsd_t *tsd; | |
1489 | unsigned tcache_ind; | |
1490 | ||
1491 | if (!config_tcache) | |
1492 | return (ENOENT); | |
1493 | ||
1494 | tsd = tsd_fetch(); | |
1495 | ||
1496 | WRITEONLY(); | |
1497 | tcache_ind = UINT_MAX; | |
1498 | WRITE(tcache_ind, unsigned); | |
1499 | if (tcache_ind == UINT_MAX) { | |
1500 | ret = EFAULT; | |
1501 | goto label_return; | |
1502 | } | |
1503 | tcaches_flush(tsd, tcache_ind); | |
1504 | ||
1505 | ret = 0; | |
1506 | label_return: | |
1507 | return (ret); | |
1508 | } | |
1509 | ||
1510 | static int | |
1511 | tcache_destroy_ctl(const size_t *mib, size_t miblen, void *oldp, | |
1512 | size_t *oldlenp, void *newp, size_t newlen) | |
1513 | { | |
1514 | int ret; | |
1515 | tsd_t *tsd; | |
1516 | unsigned tcache_ind; | |
1517 | ||
1518 | if (!config_tcache) | |
1519 | return (ENOENT); | |
1520 | ||
1521 | tsd = tsd_fetch(); | |
1522 | ||
1523 | WRITEONLY(); | |
1524 | tcache_ind = UINT_MAX; | |
1525 | WRITE(tcache_ind, unsigned); | |
1526 | if (tcache_ind == UINT_MAX) { | |
1527 | ret = EFAULT; | |
1528 | goto label_return; | |
1529 | } | |
1530 | tcaches_destroy(tsd, tcache_ind); | |
1531 | ||
1532 | ret = 0; | |
1533 | label_return: | |
1534 | return (ret); | |
1535 | } | |
1536 | ||
1537 | /******************************************************************************/ | |
1538 | ||
970d7e83 LB |
1539 | /* ctl_mutex must be held during execution of this function. */ |
1540 | static void | |
1541 | arena_purge(unsigned arena_ind) | |
1542 | { | |
9cc50fc6 SL |
1543 | tsd_t *tsd; |
1544 | unsigned i; | |
1545 | bool refreshed; | |
970d7e83 LB |
1546 | VARIABLE_ARRAY(arena_t *, tarenas, ctl_stats.narenas); |
1547 | ||
9cc50fc6 SL |
1548 | tsd = tsd_fetch(); |
1549 | for (i = 0, refreshed = false; i < ctl_stats.narenas; i++) { | |
1550 | tarenas[i] = arena_get(tsd, i, false, false); | |
1551 | if (tarenas[i] == NULL && !refreshed) { | |
1552 | tarenas[i] = arena_get(tsd, i, false, true); | |
1553 | refreshed = true; | |
1554 | } | |
1555 | } | |
970d7e83 LB |
1556 | |
1557 | if (arena_ind == ctl_stats.narenas) { | |
1558 | unsigned i; | |
1559 | for (i = 0; i < ctl_stats.narenas; i++) { | |
1560 | if (tarenas[i] != NULL) | |
1561 | arena_purge_all(tarenas[i]); | |
1562 | } | |
1563 | } else { | |
1564 | assert(arena_ind < ctl_stats.narenas); | |
1565 | if (tarenas[arena_ind] != NULL) | |
1566 | arena_purge_all(tarenas[arena_ind]); | |
1567 | } | |
1568 | } | |
1569 | ||
1570 | static int | |
1571 | arena_i_purge_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, | |
1572 | void *newp, size_t newlen) | |
1573 | { | |
1574 | int ret; | |
1575 | ||
1576 | READONLY(); | |
1577 | WRITEONLY(); | |
1578 | malloc_mutex_lock(&ctl_mtx); | |
1579 | arena_purge(mib[1]); | |
1580 | malloc_mutex_unlock(&ctl_mtx); | |
1581 | ||
1582 | ret = 0; | |
1583 | label_return: | |
1584 | return (ret); | |
1585 | } | |
1586 | ||
1587 | static int | |
1588 | arena_i_dss_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, | |
1589 | void *newp, size_t newlen) | |
1590 | { | |
1a4d82fc JJ |
1591 | int ret; |
1592 | const char *dss = NULL; | |
970d7e83 LB |
1593 | unsigned arena_ind = mib[1]; |
1594 | dss_prec_t dss_prec_old = dss_prec_limit; | |
1595 | dss_prec_t dss_prec = dss_prec_limit; | |
1596 | ||
1597 | malloc_mutex_lock(&ctl_mtx); | |
1598 | WRITE(dss, const char *); | |
1a4d82fc JJ |
1599 | if (dss != NULL) { |
1600 | int i; | |
1601 | bool match = false; | |
1602 | ||
1603 | for (i = 0; i < dss_prec_limit; i++) { | |
1604 | if (strcmp(dss_prec_names[i], dss) == 0) { | |
1605 | dss_prec = i; | |
1606 | match = true; | |
1607 | break; | |
1608 | } | |
1609 | } | |
1610 | ||
1611 | if (!match) { | |
1612 | ret = EINVAL; | |
1613 | goto label_return; | |
970d7e83 | 1614 | } |
970d7e83 LB |
1615 | } |
1616 | ||
1617 | if (arena_ind < ctl_stats.narenas) { | |
9cc50fc6 | 1618 | arena_t *arena = arena_get(tsd_fetch(), arena_ind, false, true); |
1a4d82fc JJ |
1619 | if (arena == NULL || (dss_prec != dss_prec_limit && |
1620 | arena_dss_prec_set(arena, dss_prec))) { | |
1621 | ret = EFAULT; | |
1622 | goto label_return; | |
1623 | } | |
1624 | dss_prec_old = arena_dss_prec_get(arena); | |
970d7e83 | 1625 | } else { |
1a4d82fc JJ |
1626 | if (dss_prec != dss_prec_limit && |
1627 | chunk_dss_prec_set(dss_prec)) { | |
1628 | ret = EFAULT; | |
1629 | goto label_return; | |
1630 | } | |
970d7e83 | 1631 | dss_prec_old = chunk_dss_prec_get(); |
970d7e83 | 1632 | } |
1a4d82fc | 1633 | |
970d7e83 LB |
1634 | dss = dss_prec_names[dss_prec_old]; |
1635 | READ(dss, const char *); | |
1a4d82fc JJ |
1636 | |
1637 | ret = 0; | |
1638 | label_return: | |
1639 | malloc_mutex_unlock(&ctl_mtx); | |
1640 | return (ret); | |
1641 | } | |
1642 | ||
1643 | static int | |
9cc50fc6 | 1644 | arena_i_lg_dirty_mult_ctl(const size_t *mib, size_t miblen, void *oldp, |
1a4d82fc JJ |
1645 | size_t *oldlenp, void *newp, size_t newlen) |
1646 | { | |
1647 | int ret; | |
1648 | unsigned arena_ind = mib[1]; | |
1649 | arena_t *arena; | |
1650 | ||
9cc50fc6 SL |
1651 | arena = arena_get(tsd_fetch(), arena_ind, false, true); |
1652 | if (arena == NULL) { | |
970d7e83 | 1653 | ret = EFAULT; |
9cc50fc6 SL |
1654 | goto label_return; |
1655 | } | |
1656 | ||
1657 | if (oldp != NULL && oldlenp != NULL) { | |
1658 | size_t oldval = arena_lg_dirty_mult_get(arena); | |
1659 | READ(oldval, ssize_t); | |
970d7e83 | 1660 | } |
9cc50fc6 SL |
1661 | if (newp != NULL) { |
1662 | if (newlen != sizeof(ssize_t)) { | |
1663 | ret = EINVAL; | |
1664 | goto label_return; | |
1665 | } | |
1666 | if (arena_lg_dirty_mult_set(arena, *(ssize_t *)newp)) { | |
1667 | ret = EFAULT; | |
1668 | goto label_return; | |
1669 | } | |
1670 | } | |
1671 | ||
1a4d82fc JJ |
1672 | ret = 0; |
1673 | label_return: | |
1a4d82fc JJ |
1674 | return (ret); |
1675 | } | |
970d7e83 | 1676 | |
1a4d82fc | 1677 | static int |
9cc50fc6 | 1678 | arena_i_chunk_hooks_ctl(const size_t *mib, size_t miblen, void *oldp, |
1a4d82fc JJ |
1679 | size_t *oldlenp, void *newp, size_t newlen) |
1680 | { | |
1a4d82fc JJ |
1681 | int ret; |
1682 | unsigned arena_ind = mib[1]; | |
1683 | arena_t *arena; | |
1684 | ||
1685 | malloc_mutex_lock(&ctl_mtx); | |
9cc50fc6 SL |
1686 | if (arena_ind < narenas_total_get() && (arena = |
1687 | arena_get(tsd_fetch(), arena_ind, false, true)) != NULL) { | |
1688 | if (newp != NULL) { | |
1689 | chunk_hooks_t old_chunk_hooks, new_chunk_hooks; | |
1690 | WRITE(new_chunk_hooks, chunk_hooks_t); | |
1691 | old_chunk_hooks = chunk_hooks_set(arena, | |
1692 | &new_chunk_hooks); | |
1693 | READ(old_chunk_hooks, chunk_hooks_t); | |
1694 | } else { | |
1695 | chunk_hooks_t old_chunk_hooks = chunk_hooks_get(arena); | |
1696 | READ(old_chunk_hooks, chunk_hooks_t); | |
1697 | } | |
1a4d82fc JJ |
1698 | } else { |
1699 | ret = EFAULT; | |
9cc50fc6 | 1700 | goto label_return; |
1a4d82fc | 1701 | } |
970d7e83 LB |
1702 | ret = 0; |
1703 | label_return: | |
1704 | malloc_mutex_unlock(&ctl_mtx); | |
1705 | return (ret); | |
1706 | } | |
1707 | ||
1708 | static const ctl_named_node_t * | |
1709 | arena_i_index(const size_t *mib, size_t miblen, size_t i) | |
1710 | { | |
1711 | const ctl_named_node_t * ret; | |
1712 | ||
1713 | malloc_mutex_lock(&ctl_mtx); | |
1714 | if (i > ctl_stats.narenas) { | |
1715 | ret = NULL; | |
1716 | goto label_return; | |
1717 | } | |
1718 | ||
1719 | ret = super_arena_i_node; | |
1720 | label_return: | |
1721 | malloc_mutex_unlock(&ctl_mtx); | |
1722 | return (ret); | |
1723 | } | |
1724 | ||
970d7e83 LB |
1725 | /******************************************************************************/ |
1726 | ||
970d7e83 LB |
1727 | static int |
1728 | arenas_narenas_ctl(const size_t *mib, size_t miblen, void *oldp, | |
1729 | size_t *oldlenp, void *newp, size_t newlen) | |
1730 | { | |
1731 | int ret; | |
1732 | unsigned narenas; | |
1733 | ||
1734 | malloc_mutex_lock(&ctl_mtx); | |
1735 | READONLY(); | |
1736 | if (*oldlenp != sizeof(unsigned)) { | |
1737 | ret = EINVAL; | |
1738 | goto label_return; | |
1739 | } | |
1740 | narenas = ctl_stats.narenas; | |
1741 | READ(narenas, unsigned); | |
1742 | ||
1743 | ret = 0; | |
1744 | label_return: | |
1745 | malloc_mutex_unlock(&ctl_mtx); | |
1746 | return (ret); | |
1747 | } | |
1748 | ||
1749 | static int | |
1750 | arenas_initialized_ctl(const size_t *mib, size_t miblen, void *oldp, | |
1751 | size_t *oldlenp, void *newp, size_t newlen) | |
1752 | { | |
1753 | int ret; | |
1754 | unsigned nread, i; | |
1755 | ||
1756 | malloc_mutex_lock(&ctl_mtx); | |
1757 | READONLY(); | |
1758 | if (*oldlenp != ctl_stats.narenas * sizeof(bool)) { | |
1759 | ret = EINVAL; | |
1760 | nread = (*oldlenp < ctl_stats.narenas * sizeof(bool)) | |
1761 | ? (*oldlenp / sizeof(bool)) : ctl_stats.narenas; | |
1762 | } else { | |
1763 | ret = 0; | |
1764 | nread = ctl_stats.narenas; | |
1765 | } | |
1766 | ||
1767 | for (i = 0; i < nread; i++) | |
1768 | ((bool *)oldp)[i] = ctl_stats.arenas[i].initialized; | |
1769 | ||
1770 | label_return: | |
1771 | malloc_mutex_unlock(&ctl_mtx); | |
1772 | return (ret); | |
1773 | } | |
1774 | ||
9cc50fc6 SL |
1775 | static int |
1776 | arenas_lg_dirty_mult_ctl(const size_t *mib, size_t miblen, void *oldp, | |
1777 | size_t *oldlenp, void *newp, size_t newlen) | |
1778 | { | |
1779 | int ret; | |
1780 | ||
1781 | if (oldp != NULL && oldlenp != NULL) { | |
1782 | size_t oldval = arena_lg_dirty_mult_default_get(); | |
1783 | READ(oldval, ssize_t); | |
1784 | } | |
1785 | if (newp != NULL) { | |
1786 | if (newlen != sizeof(ssize_t)) { | |
1787 | ret = EINVAL; | |
1788 | goto label_return; | |
1789 | } | |
1790 | if (arena_lg_dirty_mult_default_set(*(ssize_t *)newp)) { | |
1791 | ret = EFAULT; | |
1792 | goto label_return; | |
1793 | } | |
1794 | } | |
1795 | ||
1796 | ret = 0; | |
1797 | label_return: | |
1798 | return (ret); | |
1799 | } | |
1800 | ||
970d7e83 LB |
1801 | CTL_RO_NL_GEN(arenas_quantum, QUANTUM, size_t) |
1802 | CTL_RO_NL_GEN(arenas_page, PAGE, size_t) | |
1803 | CTL_RO_NL_CGEN(config_tcache, arenas_tcache_max, tcache_maxclass, size_t) | |
1804 | CTL_RO_NL_GEN(arenas_nbins, NBINS, unsigned) | |
1805 | CTL_RO_NL_CGEN(config_tcache, arenas_nhbins, nhbins, unsigned) | |
1a4d82fc JJ |
1806 | CTL_RO_NL_GEN(arenas_bin_i_size, arena_bin_info[mib[2]].reg_size, size_t) |
1807 | CTL_RO_NL_GEN(arenas_bin_i_nregs, arena_bin_info[mib[2]].nregs, uint32_t) | |
1808 | CTL_RO_NL_GEN(arenas_bin_i_run_size, arena_bin_info[mib[2]].run_size, size_t) | |
1809 | static const ctl_named_node_t * | |
1810 | arenas_bin_i_index(const size_t *mib, size_t miblen, size_t i) | |
970d7e83 | 1811 | { |
970d7e83 | 1812 | |
1a4d82fc JJ |
1813 | if (i > NBINS) |
1814 | return (NULL); | |
1815 | return (super_arenas_bin_i_node); | |
1816 | } | |
970d7e83 | 1817 | |
9cc50fc6 SL |
1818 | CTL_RO_NL_GEN(arenas_nlruns, nlclasses, unsigned) |
1819 | CTL_RO_NL_GEN(arenas_lrun_i_size, index2size(NBINS+mib[2]), size_t) | |
1a4d82fc JJ |
1820 | static const ctl_named_node_t * |
1821 | arenas_lrun_i_index(const size_t *mib, size_t miblen, size_t i) | |
1822 | { | |
1823 | ||
1824 | if (i > nlclasses) | |
1825 | return (NULL); | |
1826 | return (super_arenas_lrun_i_node); | |
970d7e83 LB |
1827 | } |
1828 | ||
9cc50fc6 SL |
1829 | CTL_RO_NL_GEN(arenas_nhchunks, nhclasses, unsigned) |
1830 | CTL_RO_NL_GEN(arenas_hchunk_i_size, index2size(NBINS+nlclasses+mib[2]), size_t) | |
1831 | static const ctl_named_node_t * | |
1832 | arenas_hchunk_i_index(const size_t *mib, size_t miblen, size_t i) | |
1833 | { | |
1834 | ||
1835 | if (i > nhclasses) | |
1836 | return (NULL); | |
1837 | return (super_arenas_hchunk_i_node); | |
1838 | } | |
1839 | ||
970d7e83 LB |
1840 | static int |
1841 | arenas_extend_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, | |
1842 | void *newp, size_t newlen) | |
1843 | { | |
1844 | int ret; | |
1845 | unsigned narenas; | |
1846 | ||
1847 | malloc_mutex_lock(&ctl_mtx); | |
1848 | READONLY(); | |
1849 | if (ctl_grow()) { | |
1850 | ret = EAGAIN; | |
1851 | goto label_return; | |
1852 | } | |
1853 | narenas = ctl_stats.narenas - 1; | |
1854 | READ(narenas, unsigned); | |
1855 | ||
1856 | ret = 0; | |
1857 | label_return: | |
1858 | malloc_mutex_unlock(&ctl_mtx); | |
1859 | return (ret); | |
1860 | } | |
1861 | ||
1862 | /******************************************************************************/ | |
1863 | ||
1a4d82fc JJ |
1864 | static int |
1865 | prof_thread_active_init_ctl(const size_t *mib, size_t miblen, void *oldp, | |
1866 | size_t *oldlenp, void *newp, size_t newlen) | |
1867 | { | |
1868 | int ret; | |
1869 | bool oldval; | |
1870 | ||
1871 | if (!config_prof) | |
1872 | return (ENOENT); | |
1873 | ||
1874 | if (newp != NULL) { | |
1875 | if (newlen != sizeof(bool)) { | |
1876 | ret = EINVAL; | |
1877 | goto label_return; | |
1878 | } | |
1879 | oldval = prof_thread_active_init_set(*(bool *)newp); | |
1880 | } else | |
1881 | oldval = prof_thread_active_init_get(); | |
1882 | READ(oldval, bool); | |
1883 | ||
1884 | ret = 0; | |
1885 | label_return: | |
1886 | return (ret); | |
1887 | } | |
1888 | ||
970d7e83 LB |
1889 | static int |
1890 | prof_active_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, | |
1891 | void *newp, size_t newlen) | |
1892 | { | |
1893 | int ret; | |
1894 | bool oldval; | |
1895 | ||
1a4d82fc | 1896 | if (!config_prof) |
970d7e83 LB |
1897 | return (ENOENT); |
1898 | ||
970d7e83 | 1899 | if (newp != NULL) { |
1a4d82fc JJ |
1900 | if (newlen != sizeof(bool)) { |
1901 | ret = EINVAL; | |
1902 | goto label_return; | |
1903 | } | |
1904 | oldval = prof_active_set(*(bool *)newp); | |
1905 | } else | |
1906 | oldval = prof_active_get(); | |
970d7e83 LB |
1907 | READ(oldval, bool); |
1908 | ||
1909 | ret = 0; | |
1910 | label_return: | |
970d7e83 LB |
1911 | return (ret); |
1912 | } | |
1913 | ||
1914 | static int | |
1915 | prof_dump_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, | |
1916 | void *newp, size_t newlen) | |
1917 | { | |
1918 | int ret; | |
1919 | const char *filename = NULL; | |
1920 | ||
1a4d82fc | 1921 | if (!config_prof) |
970d7e83 LB |
1922 | return (ENOENT); |
1923 | ||
1924 | WRITEONLY(); | |
1925 | WRITE(filename, const char *); | |
1926 | ||
1927 | if (prof_mdump(filename)) { | |
1928 | ret = EFAULT; | |
1929 | goto label_return; | |
1930 | } | |
1931 | ||
1932 | ret = 0; | |
1933 | label_return: | |
1934 | return (ret); | |
1935 | } | |
1936 | ||
9cc50fc6 SL |
1937 | static int |
1938 | prof_gdump_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, | |
1939 | void *newp, size_t newlen) | |
1940 | { | |
1941 | int ret; | |
1942 | bool oldval; | |
1943 | ||
1944 | if (!config_prof) | |
1945 | return (ENOENT); | |
1946 | ||
1947 | if (newp != NULL) { | |
1948 | if (newlen != sizeof(bool)) { | |
1949 | ret = EINVAL; | |
1950 | goto label_return; | |
1951 | } | |
1952 | oldval = prof_gdump_set(*(bool *)newp); | |
1953 | } else | |
1954 | oldval = prof_gdump_get(); | |
1955 | READ(oldval, bool); | |
1956 | ||
1957 | ret = 0; | |
1958 | label_return: | |
1959 | return (ret); | |
1960 | } | |
1961 | ||
1a4d82fc JJ |
1962 | static int |
1963 | prof_reset_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, | |
1964 | void *newp, size_t newlen) | |
1965 | { | |
1966 | int ret; | |
1967 | size_t lg_sample = lg_prof_sample; | |
1968 | tsd_t *tsd; | |
1969 | ||
1970 | if (!config_prof) | |
1971 | return (ENOENT); | |
1972 | ||
1973 | WRITEONLY(); | |
1974 | WRITE(lg_sample, size_t); | |
1975 | if (lg_sample >= (sizeof(uint64_t) << 3)) | |
1976 | lg_sample = (sizeof(uint64_t) << 3) - 1; | |
1977 | ||
1978 | tsd = tsd_fetch(); | |
1979 | ||
1980 | prof_reset(tsd, lg_sample); | |
1981 | ||
1982 | ret = 0; | |
1983 | label_return: | |
1984 | return (ret); | |
1985 | } | |
1986 | ||
970d7e83 | 1987 | CTL_RO_NL_CGEN(config_prof, prof_interval, prof_interval, uint64_t) |
1a4d82fc | 1988 | CTL_RO_NL_CGEN(config_prof, lg_prof_sample, lg_prof_sample, size_t) |
970d7e83 LB |
1989 | |
1990 | /******************************************************************************/ | |
1991 | ||
1a4d82fc JJ |
1992 | CTL_RO_CGEN(config_stats, stats_cactive, &stats_cactive, size_t *) |
1993 | CTL_RO_CGEN(config_stats, stats_allocated, ctl_stats.allocated, size_t) | |
1994 | CTL_RO_CGEN(config_stats, stats_active, ctl_stats.active, size_t) | |
9cc50fc6 SL |
1995 | CTL_RO_CGEN(config_stats, stats_metadata, ctl_stats.metadata, size_t) |
1996 | CTL_RO_CGEN(config_stats, stats_resident, ctl_stats.resident, size_t) | |
1a4d82fc JJ |
1997 | CTL_RO_CGEN(config_stats, stats_mapped, ctl_stats.mapped, size_t) |
1998 | ||
1a4d82fc | 1999 | CTL_RO_GEN(stats_arenas_i_dss, ctl_stats.arenas[mib[2]].dss, const char *) |
9cc50fc6 SL |
2000 | CTL_RO_GEN(stats_arenas_i_lg_dirty_mult, ctl_stats.arenas[mib[2]].lg_dirty_mult, |
2001 | ssize_t) | |
1a4d82fc JJ |
2002 | CTL_RO_GEN(stats_arenas_i_nthreads, ctl_stats.arenas[mib[2]].nthreads, unsigned) |
2003 | CTL_RO_GEN(stats_arenas_i_pactive, ctl_stats.arenas[mib[2]].pactive, size_t) | |
2004 | CTL_RO_GEN(stats_arenas_i_pdirty, ctl_stats.arenas[mib[2]].pdirty, size_t) | |
2005 | CTL_RO_CGEN(config_stats, stats_arenas_i_mapped, | |
2006 | ctl_stats.arenas[mib[2]].astats.mapped, size_t) | |
2007 | CTL_RO_CGEN(config_stats, stats_arenas_i_npurge, | |
2008 | ctl_stats.arenas[mib[2]].astats.npurge, uint64_t) | |
2009 | CTL_RO_CGEN(config_stats, stats_arenas_i_nmadvise, | |
2010 | ctl_stats.arenas[mib[2]].astats.nmadvise, uint64_t) | |
2011 | CTL_RO_CGEN(config_stats, stats_arenas_i_purged, | |
2012 | ctl_stats.arenas[mib[2]].astats.purged, uint64_t) | |
9cc50fc6 SL |
2013 | CTL_RO_CGEN(config_stats, stats_arenas_i_metadata_mapped, |
2014 | ctl_stats.arenas[mib[2]].astats.metadata_mapped, size_t) | |
2015 | CTL_RO_CGEN(config_stats, stats_arenas_i_metadata_allocated, | |
2016 | ctl_stats.arenas[mib[2]].astats.metadata_allocated, size_t) | |
1a4d82fc | 2017 | |
970d7e83 LB |
2018 | CTL_RO_CGEN(config_stats, stats_arenas_i_small_allocated, |
2019 | ctl_stats.arenas[mib[2]].allocated_small, size_t) | |
2020 | CTL_RO_CGEN(config_stats, stats_arenas_i_small_nmalloc, | |
2021 | ctl_stats.arenas[mib[2]].nmalloc_small, uint64_t) | |
2022 | CTL_RO_CGEN(config_stats, stats_arenas_i_small_ndalloc, | |
2023 | ctl_stats.arenas[mib[2]].ndalloc_small, uint64_t) | |
2024 | CTL_RO_CGEN(config_stats, stats_arenas_i_small_nrequests, | |
2025 | ctl_stats.arenas[mib[2]].nrequests_small, uint64_t) | |
2026 | CTL_RO_CGEN(config_stats, stats_arenas_i_large_allocated, | |
2027 | ctl_stats.arenas[mib[2]].astats.allocated_large, size_t) | |
2028 | CTL_RO_CGEN(config_stats, stats_arenas_i_large_nmalloc, | |
2029 | ctl_stats.arenas[mib[2]].astats.nmalloc_large, uint64_t) | |
2030 | CTL_RO_CGEN(config_stats, stats_arenas_i_large_ndalloc, | |
2031 | ctl_stats.arenas[mib[2]].astats.ndalloc_large, uint64_t) | |
2032 | CTL_RO_CGEN(config_stats, stats_arenas_i_large_nrequests, | |
2033 | ctl_stats.arenas[mib[2]].astats.nrequests_large, uint64_t) | |
1a4d82fc JJ |
2034 | CTL_RO_CGEN(config_stats, stats_arenas_i_huge_allocated, |
2035 | ctl_stats.arenas[mib[2]].astats.allocated_huge, size_t) | |
2036 | CTL_RO_CGEN(config_stats, stats_arenas_i_huge_nmalloc, | |
2037 | ctl_stats.arenas[mib[2]].astats.nmalloc_huge, uint64_t) | |
2038 | CTL_RO_CGEN(config_stats, stats_arenas_i_huge_ndalloc, | |
2039 | ctl_stats.arenas[mib[2]].astats.ndalloc_huge, uint64_t) | |
2040 | CTL_RO_CGEN(config_stats, stats_arenas_i_huge_nrequests, | |
9cc50fc6 | 2041 | ctl_stats.arenas[mib[2]].astats.nmalloc_huge, uint64_t) /* Intentional. */ |
970d7e83 | 2042 | |
970d7e83 LB |
2043 | CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nmalloc, |
2044 | ctl_stats.arenas[mib[2]].bstats[mib[4]].nmalloc, uint64_t) | |
2045 | CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_ndalloc, | |
2046 | ctl_stats.arenas[mib[2]].bstats[mib[4]].ndalloc, uint64_t) | |
2047 | CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nrequests, | |
2048 | ctl_stats.arenas[mib[2]].bstats[mib[4]].nrequests, uint64_t) | |
9cc50fc6 SL |
2049 | CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_curregs, |
2050 | ctl_stats.arenas[mib[2]].bstats[mib[4]].curregs, size_t) | |
970d7e83 LB |
2051 | CTL_RO_CGEN(config_stats && config_tcache, stats_arenas_i_bins_j_nfills, |
2052 | ctl_stats.arenas[mib[2]].bstats[mib[4]].nfills, uint64_t) | |
2053 | CTL_RO_CGEN(config_stats && config_tcache, stats_arenas_i_bins_j_nflushes, | |
2054 | ctl_stats.arenas[mib[2]].bstats[mib[4]].nflushes, uint64_t) | |
2055 | CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nruns, | |
2056 | ctl_stats.arenas[mib[2]].bstats[mib[4]].nruns, uint64_t) | |
2057 | CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nreruns, | |
2058 | ctl_stats.arenas[mib[2]].bstats[mib[4]].reruns, uint64_t) | |
2059 | CTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_curruns, | |
2060 | ctl_stats.arenas[mib[2]].bstats[mib[4]].curruns, size_t) | |
2061 | ||
2062 | static const ctl_named_node_t * | |
2063 | stats_arenas_i_bins_j_index(const size_t *mib, size_t miblen, size_t j) | |
2064 | { | |
2065 | ||
2066 | if (j > NBINS) | |
2067 | return (NULL); | |
2068 | return (super_stats_arenas_i_bins_j_node); | |
2069 | } | |
2070 | ||
2071 | CTL_RO_CGEN(config_stats, stats_arenas_i_lruns_j_nmalloc, | |
2072 | ctl_stats.arenas[mib[2]].lstats[mib[4]].nmalloc, uint64_t) | |
2073 | CTL_RO_CGEN(config_stats, stats_arenas_i_lruns_j_ndalloc, | |
2074 | ctl_stats.arenas[mib[2]].lstats[mib[4]].ndalloc, uint64_t) | |
2075 | CTL_RO_CGEN(config_stats, stats_arenas_i_lruns_j_nrequests, | |
2076 | ctl_stats.arenas[mib[2]].lstats[mib[4]].nrequests, uint64_t) | |
2077 | CTL_RO_CGEN(config_stats, stats_arenas_i_lruns_j_curruns, | |
2078 | ctl_stats.arenas[mib[2]].lstats[mib[4]].curruns, size_t) | |
2079 | ||
2080 | static const ctl_named_node_t * | |
2081 | stats_arenas_i_lruns_j_index(const size_t *mib, size_t miblen, size_t j) | |
2082 | { | |
2083 | ||
2084 | if (j > nlclasses) | |
2085 | return (NULL); | |
2086 | return (super_stats_arenas_i_lruns_j_node); | |
2087 | } | |
2088 | ||
9cc50fc6 SL |
2089 | CTL_RO_CGEN(config_stats, stats_arenas_i_hchunks_j_nmalloc, |
2090 | ctl_stats.arenas[mib[2]].hstats[mib[4]].nmalloc, uint64_t) | |
2091 | CTL_RO_CGEN(config_stats, stats_arenas_i_hchunks_j_ndalloc, | |
2092 | ctl_stats.arenas[mib[2]].hstats[mib[4]].ndalloc, uint64_t) | |
2093 | CTL_RO_CGEN(config_stats, stats_arenas_i_hchunks_j_nrequests, | |
2094 | ctl_stats.arenas[mib[2]].hstats[mib[4]].nmalloc, /* Intentional. */ | |
2095 | uint64_t) | |
2096 | CTL_RO_CGEN(config_stats, stats_arenas_i_hchunks_j_curhchunks, | |
2097 | ctl_stats.arenas[mib[2]].hstats[mib[4]].curhchunks, size_t) | |
2098 | ||
2099 | static const ctl_named_node_t * | |
2100 | stats_arenas_i_hchunks_j_index(const size_t *mib, size_t miblen, size_t j) | |
2101 | { | |
2102 | ||
2103 | if (j > nhclasses) | |
2104 | return (NULL); | |
2105 | return (super_stats_arenas_i_hchunks_j_node); | |
2106 | } | |
2107 | ||
970d7e83 LB |
2108 | static const ctl_named_node_t * |
2109 | stats_arenas_i_index(const size_t *mib, size_t miblen, size_t i) | |
2110 | { | |
2111 | const ctl_named_node_t * ret; | |
2112 | ||
2113 | malloc_mutex_lock(&ctl_mtx); | |
1a4d82fc | 2114 | if (i > ctl_stats.narenas || !ctl_stats.arenas[i].initialized) { |
970d7e83 LB |
2115 | ret = NULL; |
2116 | goto label_return; | |
2117 | } | |
2118 | ||
2119 | ret = super_stats_arenas_i_node; | |
2120 | label_return: | |
2121 | malloc_mutex_unlock(&ctl_mtx); | |
2122 | return (ret); | |
2123 | } |