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Commit | Line | Data |
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dd68ada2 JK |
1 | #include "sort.h" |
2 | ||
3 | regex_t parent_regex; | |
4 | char default_parent_pattern[] = "^sys_|^do_page_fault"; | |
5 | char *parent_pattern = default_parent_pattern; | |
6 | char default_sort_order[] = "comm,dso,symbol"; | |
7 | char *sort_order = default_sort_order; | |
8 | int sort__need_collapse = 0; | |
9 | int sort__has_parent = 0; | |
10 | ||
11 | unsigned int dsos__col_width; | |
12 | unsigned int comms__col_width; | |
13 | unsigned int threads__col_width; | |
14 | static unsigned int parent_symbol__col_width; | |
15 | char * field_sep; | |
16 | ||
17 | LIST_HEAD(hist_entry__sort_list); | |
18 | ||
19 | struct sort_entry sort_thread = { | |
20 | .header = "Command: Pid", | |
21 | .cmp = sort__thread_cmp, | |
22 | .print = sort__thread_print, | |
23 | .width = &threads__col_width, | |
24 | }; | |
25 | ||
26 | struct sort_entry sort_comm = { | |
27 | .header = "Command", | |
28 | .cmp = sort__comm_cmp, | |
29 | .collapse = sort__comm_collapse, | |
30 | .print = sort__comm_print, | |
31 | .width = &comms__col_width, | |
32 | }; | |
33 | ||
34 | struct sort_entry sort_dso = { | |
35 | .header = "Shared Object", | |
36 | .cmp = sort__dso_cmp, | |
37 | .print = sort__dso_print, | |
38 | .width = &dsos__col_width, | |
39 | }; | |
40 | ||
41 | struct sort_entry sort_sym = { | |
42 | .header = "Symbol", | |
43 | .cmp = sort__sym_cmp, | |
44 | .print = sort__sym_print, | |
45 | }; | |
46 | ||
47 | struct sort_entry sort_parent = { | |
48 | .header = "Parent symbol", | |
49 | .cmp = sort__parent_cmp, | |
50 | .print = sort__parent_print, | |
51 | .width = &parent_symbol__col_width, | |
52 | }; | |
53 | ||
54 | struct sort_dimension { | |
55 | const char *name; | |
56 | struct sort_entry *entry; | |
57 | int taken; | |
58 | }; | |
59 | ||
60 | static struct sort_dimension sort_dimensions[] = { | |
61 | { .name = "pid", .entry = &sort_thread, }, | |
62 | { .name = "comm", .entry = &sort_comm, }, | |
63 | { .name = "dso", .entry = &sort_dso, }, | |
64 | { .name = "symbol", .entry = &sort_sym, }, | |
65 | { .name = "parent", .entry = &sort_parent, }, | |
66 | }; | |
67 | ||
68 | int64_t cmp_null(void *l, void *r) | |
69 | { | |
70 | if (!l && !r) | |
71 | return 0; | |
72 | else if (!l) | |
73 | return -1; | |
74 | else | |
75 | return 1; | |
76 | } | |
77 | ||
78 | /* --sort pid */ | |
79 | ||
80 | int64_t | |
81 | sort__thread_cmp(struct hist_entry *left, struct hist_entry *right) | |
82 | { | |
83 | return right->thread->pid - left->thread->pid; | |
84 | } | |
85 | ||
86 | int repsep_fprintf(FILE *fp, const char *fmt, ...) | |
87 | { | |
88 | int n; | |
89 | va_list ap; | |
90 | ||
91 | va_start(ap, fmt); | |
92 | if (!field_sep) | |
93 | n = vfprintf(fp, fmt, ap); | |
94 | else { | |
95 | char *bf = NULL; | |
96 | n = vasprintf(&bf, fmt, ap); | |
97 | if (n > 0) { | |
98 | char *sep = bf; | |
99 | ||
100 | while (1) { | |
101 | sep = strchr(sep, *field_sep); | |
102 | if (sep == NULL) | |
103 | break; | |
104 | *sep = '.'; | |
105 | } | |
106 | } | |
107 | fputs(bf, fp); | |
108 | free(bf); | |
109 | } | |
110 | va_end(ap); | |
111 | return n; | |
112 | } | |
113 | ||
114 | size_t | |
115 | sort__thread_print(FILE *fp, struct hist_entry *self, unsigned int width) | |
116 | { | |
117 | return repsep_fprintf(fp, "%*s:%5d", width - 6, | |
118 | self->thread->comm ?: "", self->thread->pid); | |
119 | } | |
120 | ||
121 | size_t | |
122 | sort__comm_print(FILE *fp, struct hist_entry *self, unsigned int width) | |
123 | { | |
124 | return repsep_fprintf(fp, "%*s", width, self->thread->comm); | |
125 | } | |
126 | ||
127 | /* --sort dso */ | |
128 | ||
129 | int64_t | |
130 | sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) | |
131 | { | |
439d473b ACM |
132 | struct dso *dso_l = left->map ? left->map->dso : NULL; |
133 | struct dso *dso_r = right->map ? right->map->dso : NULL; | |
134 | const char *dso_name_l, *dso_name_r; | |
dd68ada2 JK |
135 | |
136 | if (!dso_l || !dso_r) | |
137 | return cmp_null(dso_l, dso_r); | |
138 | ||
439d473b ACM |
139 | if (verbose) { |
140 | dso_name_l = dso_l->long_name; | |
141 | dso_name_r = dso_r->long_name; | |
142 | } else { | |
143 | dso_name_l = dso_l->short_name; | |
144 | dso_name_r = dso_r->short_name; | |
145 | } | |
146 | ||
147 | return strcmp(dso_name_l, dso_name_r); | |
dd68ada2 JK |
148 | } |
149 | ||
150 | size_t | |
151 | sort__dso_print(FILE *fp, struct hist_entry *self, unsigned int width) | |
152 | { | |
439d473b ACM |
153 | if (self->map && self->map->dso) { |
154 | const char *dso_name = !verbose ? self->map->dso->short_name : | |
155 | self->map->dso->long_name; | |
156 | return repsep_fprintf(fp, "%-*s", width, dso_name); | |
157 | } | |
dd68ada2 JK |
158 | |
159 | return repsep_fprintf(fp, "%*llx", width, (u64)self->ip); | |
160 | } | |
161 | ||
162 | /* --sort symbol */ | |
163 | ||
164 | int64_t | |
165 | sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) | |
166 | { | |
167 | u64 ip_l, ip_r; | |
168 | ||
169 | if (left->sym == right->sym) | |
170 | return 0; | |
171 | ||
172 | ip_l = left->sym ? left->sym->start : left->ip; | |
173 | ip_r = right->sym ? right->sym->start : right->ip; | |
174 | ||
175 | return (int64_t)(ip_r - ip_l); | |
176 | } | |
177 | ||
178 | ||
179 | size_t | |
180 | sort__sym_print(FILE *fp, struct hist_entry *self, unsigned int width __used) | |
181 | { | |
182 | size_t ret = 0; | |
183 | ||
439d473b ACM |
184 | if (verbose) { |
185 | char o = self->map ? dso__symtab_origin(self->map->dso) : '!'; | |
186 | ret += repsep_fprintf(fp, "%#018llx %c ", (u64)self->ip, o); | |
187 | } | |
dd68ada2 JK |
188 | |
189 | ret += repsep_fprintf(fp, "[%c] ", self->level); | |
439d473b | 190 | if (self->sym) |
dd68ada2 | 191 | ret += repsep_fprintf(fp, "%s", self->sym->name); |
439d473b | 192 | else |
dd68ada2 | 193 | ret += repsep_fprintf(fp, "%#016llx", (u64)self->ip); |
dd68ada2 JK |
194 | |
195 | return ret; | |
196 | } | |
197 | ||
198 | /* --sort comm */ | |
199 | ||
200 | int64_t | |
201 | sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) | |
202 | { | |
203 | return right->thread->pid - left->thread->pid; | |
204 | } | |
205 | ||
206 | int64_t | |
207 | sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) | |
208 | { | |
209 | char *comm_l = left->thread->comm; | |
210 | char *comm_r = right->thread->comm; | |
211 | ||
212 | if (!comm_l || !comm_r) | |
213 | return cmp_null(comm_l, comm_r); | |
214 | ||
215 | return strcmp(comm_l, comm_r); | |
216 | } | |
217 | ||
218 | /* --sort parent */ | |
219 | ||
220 | int64_t | |
221 | sort__parent_cmp(struct hist_entry *left, struct hist_entry *right) | |
222 | { | |
223 | struct symbol *sym_l = left->parent; | |
224 | struct symbol *sym_r = right->parent; | |
225 | ||
226 | if (!sym_l || !sym_r) | |
227 | return cmp_null(sym_l, sym_r); | |
228 | ||
229 | return strcmp(sym_l->name, sym_r->name); | |
230 | } | |
231 | ||
232 | size_t | |
233 | sort__parent_print(FILE *fp, struct hist_entry *self, unsigned int width) | |
234 | { | |
235 | return repsep_fprintf(fp, "%-*s", width, | |
236 | self->parent ? self->parent->name : "[other]"); | |
237 | } | |
238 | ||
239 | int sort_dimension__add(const char *tok) | |
240 | { | |
241 | unsigned int i; | |
242 | ||
243 | for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { | |
244 | struct sort_dimension *sd = &sort_dimensions[i]; | |
245 | ||
246 | if (sd->taken) | |
247 | continue; | |
248 | ||
249 | if (strncasecmp(tok, sd->name, strlen(tok))) | |
250 | continue; | |
251 | ||
252 | if (sd->entry->collapse) | |
253 | sort__need_collapse = 1; | |
254 | ||
255 | if (sd->entry == &sort_parent) { | |
256 | int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED); | |
257 | if (ret) { | |
258 | char err[BUFSIZ]; | |
259 | ||
260 | regerror(ret, &parent_regex, err, sizeof(err)); | |
261 | fprintf(stderr, "Invalid regex: %s\n%s", | |
262 | parent_pattern, err); | |
263 | exit(-1); | |
264 | } | |
265 | sort__has_parent = 1; | |
266 | } | |
267 | ||
268 | list_add_tail(&sd->entry->list, &hist_entry__sort_list); | |
269 | sd->taken = 1; | |
270 | ||
271 | return 0; | |
272 | } | |
273 | ||
274 | return -ESRCH; | |
275 | } | |
276 |