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Commit | Line | Data |
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f364ec65 WX |
1 | /* |
2 | * Block layer qmp and info dump related functions | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | ||
80c71a24 | 25 | #include "qemu/osdep.h" |
31e40415 | 26 | #include "qemu/cutils.h" |
f364ec65 WX |
27 | #include "block/qapi.h" |
28 | #include "block/block_int.h" | |
76f4afb4 | 29 | #include "block/throttle-groups.h" |
e2462113 | 30 | #include "block/write-threshold.h" |
e688df6b | 31 | #include "qapi/error.h" |
9af23989 | 32 | #include "qapi/qapi-commands-block-core.h" |
b3db211f | 33 | #include "qapi/qobject-output-visitor.h" |
9af23989 | 34 | #include "qapi/qapi-visit-block-core.h" |
6b673957 | 35 | #include "qapi/qmp/qbool.h" |
452fcdbc | 36 | #include "qapi/qmp/qdict.h" |
47e6b297 | 37 | #include "qapi/qmp/qlist.h" |
15280c36 | 38 | #include "qapi/qmp/qnum.h" |
6b673957 | 39 | #include "qapi/qmp/qstring.h" |
e1ce7d74 | 40 | #include "qemu/qemu-print.h" |
d829a211 | 41 | #include "sysemu/block-backend.h" |
f348b6d1 | 42 | #include "qemu/cutils.h" |
f364ec65 | 43 | |
c83f9fba | 44 | BlockDeviceInfo *bdrv_block_device_info(BlockBackend *blk, |
facda544 PK |
45 | BlockDriverState *bs, |
46 | bool flat, | |
47 | Error **errp) | |
c13163fb | 48 | { |
d5a8ee60 | 49 | ImageInfo **p_image_info; |
0b877d09 | 50 | BlockDriverState *bs0, *backing; |
d470ad42 | 51 | BlockDeviceInfo *info; |
c13163fb | 52 | |
d470ad42 HR |
53 | if (!bs->drv) { |
54 | error_setg(errp, "Block device %s is ejected", bs->node_name); | |
55 | return NULL; | |
56 | } | |
57 | ||
f30c66ba HR |
58 | bdrv_refresh_filename(bs); |
59 | ||
d470ad42 | 60 | info = g_malloc0(sizeof(*info)); |
c13163fb BC |
61 | info->file = g_strdup(bs->filename); |
62 | info->ro = bs->read_only; | |
63 | info->drv = g_strdup(bs->drv->format_name); | |
64 | info->encrypted = bs->encrypted; | |
c01c214b | 65 | info->encryption_key_missing = false; |
c13163fb | 66 | |
9e193c5a KW |
67 | info->cache = g_new(BlockdevCacheInfo, 1); |
68 | *info->cache = (BlockdevCacheInfo) { | |
c83f9fba | 69 | .writeback = blk ? blk_enable_write_cache(blk) : true, |
9e193c5a KW |
70 | .direct = !!(bs->open_flags & BDRV_O_NOCACHE), |
71 | .no_flush = !!(bs->open_flags & BDRV_O_NO_FLUSH), | |
72 | }; | |
73 | ||
c13163fb BC |
74 | if (bs->node_name[0]) { |
75 | info->has_node_name = true; | |
76 | info->node_name = g_strdup(bs->node_name); | |
77 | } | |
78 | ||
0b877d09 HR |
79 | backing = bdrv_cow_bs(bs); |
80 | if (backing) { | |
c13163fb | 81 | info->has_backing_file = true; |
0b877d09 | 82 | info->backing_file = g_strdup(backing->filename); |
c13163fb BC |
83 | } |
84 | ||
590a63d5 VSO |
85 | if (!QLIST_EMPTY(&bs->dirty_bitmaps)) { |
86 | info->has_dirty_bitmaps = true; | |
87 | info->dirty_bitmaps = bdrv_query_dirty_bitmaps(bs); | |
88 | } | |
89 | ||
465bee1d | 90 | info->detect_zeroes = bs->detect_zeroes; |
c13163fb | 91 | |
022cdc9f | 92 | if (blk && blk_get_public(blk)->throttle_group_member.throttle_state) { |
c13163fb | 93 | ThrottleConfig cfg; |
022cdc9f | 94 | BlockBackendPublic *blkp = blk_get_public(blk); |
76f4afb4 | 95 | |
022cdc9f | 96 | throttle_group_get_config(&blkp->throttle_group_member, &cfg); |
76f4afb4 | 97 | |
c13163fb BC |
98 | info->bps = cfg.buckets[THROTTLE_BPS_TOTAL].avg; |
99 | info->bps_rd = cfg.buckets[THROTTLE_BPS_READ].avg; | |
100 | info->bps_wr = cfg.buckets[THROTTLE_BPS_WRITE].avg; | |
101 | ||
102 | info->iops = cfg.buckets[THROTTLE_OPS_TOTAL].avg; | |
103 | info->iops_rd = cfg.buckets[THROTTLE_OPS_READ].avg; | |
104 | info->iops_wr = cfg.buckets[THROTTLE_OPS_WRITE].avg; | |
105 | ||
106 | info->has_bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; | |
107 | info->bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; | |
108 | info->has_bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; | |
109 | info->bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; | |
110 | info->has_bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; | |
111 | info->bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; | |
112 | ||
113 | info->has_iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; | |
114 | info->iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; | |
115 | info->has_iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; | |
116 | info->iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; | |
117 | info->has_iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; | |
118 | info->iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; | |
119 | ||
398befdf AG |
120 | info->has_bps_max_length = info->has_bps_max; |
121 | info->bps_max_length = | |
122 | cfg.buckets[THROTTLE_BPS_TOTAL].burst_length; | |
123 | info->has_bps_rd_max_length = info->has_bps_rd_max; | |
124 | info->bps_rd_max_length = | |
125 | cfg.buckets[THROTTLE_BPS_READ].burst_length; | |
126 | info->has_bps_wr_max_length = info->has_bps_wr_max; | |
127 | info->bps_wr_max_length = | |
128 | cfg.buckets[THROTTLE_BPS_WRITE].burst_length; | |
129 | ||
130 | info->has_iops_max_length = info->has_iops_max; | |
131 | info->iops_max_length = | |
132 | cfg.buckets[THROTTLE_OPS_TOTAL].burst_length; | |
133 | info->has_iops_rd_max_length = info->has_iops_rd_max; | |
134 | info->iops_rd_max_length = | |
135 | cfg.buckets[THROTTLE_OPS_READ].burst_length; | |
136 | info->has_iops_wr_max_length = info->has_iops_wr_max; | |
137 | info->iops_wr_max_length = | |
138 | cfg.buckets[THROTTLE_OPS_WRITE].burst_length; | |
139 | ||
c13163fb BC |
140 | info->has_iops_size = cfg.op_size; |
141 | info->iops_size = cfg.op_size; | |
b8fe1694 AG |
142 | |
143 | info->has_group = true; | |
022cdc9f MP |
144 | info->group = |
145 | g_strdup(throttle_group_get_name(&blkp->throttle_group_member)); | |
c13163fb BC |
146 | } |
147 | ||
e2462113 FR |
148 | info->write_threshold = bdrv_write_threshold_get(bs); |
149 | ||
d5a8ee60 AG |
150 | bs0 = bs; |
151 | p_image_info = &info->image; | |
d3c8c674 | 152 | info->backing_file_depth = 0; |
d5a8ee60 AG |
153 | while (1) { |
154 | Error *local_err = NULL; | |
155 | bdrv_query_image_info(bs0, p_image_info, &local_err); | |
156 | if (local_err) { | |
157 | error_propagate(errp, local_err); | |
158 | qapi_free_BlockDeviceInfo(info); | |
159 | return NULL; | |
160 | } | |
d3c8c674 | 161 | |
facda544 PK |
162 | /* stop gathering data for flat output */ |
163 | if (flat) { | |
164 | break; | |
165 | } | |
166 | ||
0a7585db HR |
167 | if (bs0->drv && bdrv_filter_or_cow_child(bs0)) { |
168 | /* | |
169 | * Put any filtered child here (for backwards compatibility to when | |
170 | * we put bs0->backing here, which might be any filtered child). | |
171 | */ | |
d3c8c674 | 172 | info->backing_file_depth++; |
0a7585db | 173 | bs0 = bdrv_filter_or_cow_bs(bs0); |
d5a8ee60 AG |
174 | (*p_image_info)->has_backing_image = true; |
175 | p_image_info = &((*p_image_info)->backing_image); | |
176 | } else { | |
177 | break; | |
178 | } | |
d3c8c674 KW |
179 | |
180 | /* Skip automatically inserted nodes that the user isn't aware of for | |
181 | * query-block (blk != NULL), but not for query-named-block-nodes */ | |
0a7585db HR |
182 | if (blk) { |
183 | bs0 = bdrv_skip_implicit_filters(bs0); | |
d3c8c674 | 184 | } |
d5a8ee60 AG |
185 | } |
186 | ||
c13163fb BC |
187 | return info; |
188 | } | |
189 | ||
fb0ed453 WX |
190 | /* |
191 | * Returns 0 on success, with *p_list either set to describe snapshot | |
192 | * information, or NULL because there are no snapshots. Returns -errno on | |
193 | * error, with *p_list untouched. | |
194 | */ | |
195 | int bdrv_query_snapshot_info_list(BlockDriverState *bs, | |
196 | SnapshotInfoList **p_list, | |
197 | Error **errp) | |
f364ec65 WX |
198 | { |
199 | int i, sn_count; | |
200 | QEMUSnapshotInfo *sn_tab = NULL; | |
95b3a8c8 | 201 | SnapshotInfoList *head = NULL, **tail = &head; |
fb0ed453 WX |
202 | SnapshotInfo *info; |
203 | ||
f364ec65 | 204 | sn_count = bdrv_snapshot_list(bs, &sn_tab); |
fb0ed453 WX |
205 | if (sn_count < 0) { |
206 | const char *dev = bdrv_get_device_name(bs); | |
207 | switch (sn_count) { | |
208 | case -ENOMEDIUM: | |
209 | error_setg(errp, "Device '%s' is not inserted", dev); | |
210 | break; | |
211 | case -ENOTSUP: | |
212 | error_setg(errp, | |
213 | "Device '%s' does not support internal snapshots", | |
214 | dev); | |
215 | break; | |
216 | default: | |
217 | error_setg_errno(errp, -sn_count, | |
218 | "Can't list snapshots of device '%s'", dev); | |
219 | break; | |
220 | } | |
221 | return sn_count; | |
222 | } | |
f364ec65 WX |
223 | |
224 | for (i = 0; i < sn_count; i++) { | |
fb0ed453 WX |
225 | info = g_new0(SnapshotInfo, 1); |
226 | info->id = g_strdup(sn_tab[i].id_str); | |
227 | info->name = g_strdup(sn_tab[i].name); | |
228 | info->vm_state_size = sn_tab[i].vm_state_size; | |
229 | info->date_sec = sn_tab[i].date_sec; | |
230 | info->date_nsec = sn_tab[i].date_nsec; | |
231 | info->vm_clock_sec = sn_tab[i].vm_clock_nsec / 1000000000; | |
232 | info->vm_clock_nsec = sn_tab[i].vm_clock_nsec % 1000000000; | |
b39847a5 PD |
233 | info->icount = sn_tab[i].icount; |
234 | info->has_icount = sn_tab[i].icount != -1ULL; | |
f364ec65 | 235 | |
95b3a8c8 | 236 | QAPI_LIST_APPEND(tail, info); |
f364ec65 WX |
237 | } |
238 | ||
239 | g_free(sn_tab); | |
fb0ed453 WX |
240 | *p_list = head; |
241 | return 0; | |
f364ec65 WX |
242 | } |
243 | ||
43526ec8 WX |
244 | /** |
245 | * bdrv_query_image_info: | |
246 | * @bs: block device to examine | |
247 | * @p_info: location to store image information | |
248 | * @errp: location to store error information | |
249 | * | |
553a7e87 WX |
250 | * Store "flat" image information in @p_info. |
251 | * | |
252 | * "Flat" means it does *not* query backing image information, | |
253 | * i.e. (*pinfo)->has_backing_image will be set to false and | |
254 | * (*pinfo)->backing_image to NULL even when the image does in fact have | |
255 | * a backing image. | |
256 | * | |
43526ec8 WX |
257 | * @p_info will be set only on success. On error, store error in @errp. |
258 | */ | |
259 | void bdrv_query_image_info(BlockDriverState *bs, | |
260 | ImageInfo **p_info, | |
261 | Error **errp) | |
f364ec65 | 262 | { |
52bf1e72 | 263 | int64_t size; |
43526ec8 | 264 | const char *backing_filename; |
f364ec65 | 265 | BlockDriverInfo bdi; |
43526ec8 WX |
266 | int ret; |
267 | Error *err = NULL; | |
52bf1e72 | 268 | ImageInfo *info; |
f364ec65 | 269 | |
1963f8d5 PB |
270 | aio_context_acquire(bdrv_get_aio_context(bs)); |
271 | ||
52bf1e72 MA |
272 | size = bdrv_getlength(bs); |
273 | if (size < 0) { | |
9adceb02 FZ |
274 | error_setg_errno(errp, -size, "Can't get image size '%s'", |
275 | bs->exact_filename); | |
1963f8d5 | 276 | goto out; |
52bf1e72 | 277 | } |
f364ec65 | 278 | |
f30c66ba HR |
279 | bdrv_refresh_filename(bs); |
280 | ||
52bf1e72 | 281 | info = g_new0(ImageInfo, 1); |
43526ec8 | 282 | info->filename = g_strdup(bs->filename); |
f364ec65 | 283 | info->format = g_strdup(bdrv_get_format_name(bs)); |
52bf1e72 | 284 | info->virtual_size = size; |
f364ec65 WX |
285 | info->actual_size = bdrv_get_allocated_file_size(bs); |
286 | info->has_actual_size = info->actual_size >= 0; | |
8b8277cd | 287 | if (bs->encrypted) { |
f364ec65 WX |
288 | info->encrypted = true; |
289 | info->has_encrypted = true; | |
290 | } | |
291 | if (bdrv_get_info(bs, &bdi) >= 0) { | |
292 | if (bdi.cluster_size != 0) { | |
293 | info->cluster_size = bdi.cluster_size; | |
294 | info->has_cluster_size = true; | |
295 | } | |
296 | info->dirty_flag = bdi.is_dirty; | |
297 | info->has_dirty_flag = true; | |
298 | } | |
1bf6e9ca AS |
299 | info->format_specific = bdrv_get_specific_info(bs, &err); |
300 | if (err) { | |
301 | error_propagate(errp, err); | |
302 | qapi_free_ImageInfo(info); | |
303 | goto out; | |
304 | } | |
eae041fe HR |
305 | info->has_format_specific = info->format_specific != NULL; |
306 | ||
43526ec8 | 307 | backing_filename = bs->backing_file; |
f364ec65 | 308 | if (backing_filename[0] != '\0') { |
6b6833c1 | 309 | char *backing_filename2; |
0b877d09 | 310 | |
f364ec65 WX |
311 | info->backing_filename = g_strdup(backing_filename); |
312 | info->has_backing_filename = true; | |
6b6833c1 | 313 | backing_filename2 = bdrv_get_full_backing_filename(bs, NULL); |
f364ec65 | 314 | |
12dcb1c0 JS |
315 | /* Always report the full_backing_filename if present, even if it's the |
316 | * same as backing_filename. That they are same is useful info. */ | |
317 | if (backing_filename2) { | |
318 | info->full_backing_filename = g_strdup(backing_filename2); | |
f364ec65 WX |
319 | info->has_full_backing_filename = true; |
320 | } | |
321 | ||
322 | if (bs->backing_format[0]) { | |
323 | info->backing_filename_format = g_strdup(bs->backing_format); | |
324 | info->has_backing_filename_format = true; | |
325 | } | |
564d64bd | 326 | g_free(backing_filename2); |
f364ec65 | 327 | } |
43526ec8 WX |
328 | |
329 | ret = bdrv_query_snapshot_info_list(bs, &info->snapshots, &err); | |
330 | switch (ret) { | |
331 | case 0: | |
332 | if (info->snapshots) { | |
333 | info->has_snapshots = true; | |
334 | } | |
335 | break; | |
336 | /* recoverable error */ | |
337 | case -ENOMEDIUM: | |
338 | case -ENOTSUP: | |
339 | error_free(err); | |
340 | break; | |
341 | default: | |
342 | error_propagate(errp, err); | |
343 | qapi_free_ImageInfo(info); | |
1963f8d5 | 344 | goto out; |
43526ec8 WX |
345 | } |
346 | ||
347 | *p_info = info; | |
1963f8d5 PB |
348 | |
349 | out: | |
350 | aio_context_release(bdrv_get_aio_context(bs)); | |
f364ec65 WX |
351 | } |
352 | ||
553a7e87 | 353 | /* @p_info will be set only on success. */ |
d829a211 MA |
354 | static void bdrv_query_info(BlockBackend *blk, BlockInfo **p_info, |
355 | Error **errp) | |
f364ec65 WX |
356 | { |
357 | BlockInfo *info = g_malloc0(sizeof(*info)); | |
d829a211 | 358 | BlockDriverState *bs = blk_bs(blk); |
46eade7b KW |
359 | char *qdev; |
360 | ||
d3c8c674 | 361 | /* Skip automatically inserted nodes that the user isn't aware of */ |
0a7585db | 362 | bs = bdrv_skip_implicit_filters(bs); |
d3c8c674 | 363 | |
d829a211 | 364 | info->device = g_strdup(blk_name(blk)); |
f364ec65 | 365 | info->type = g_strdup("unknown"); |
a7f53e26 MA |
366 | info->locked = blk_dev_is_medium_locked(blk); |
367 | info->removable = blk_dev_has_removable_media(blk); | |
f364ec65 | 368 | |
46eade7b KW |
369 | qdev = blk_get_attached_dev_id(blk); |
370 | if (qdev && *qdev) { | |
371 | info->has_qdev = true; | |
372 | info->qdev = qdev; | |
373 | } else { | |
374 | g_free(qdev); | |
375 | } | |
376 | ||
327032ce | 377 | if (blk_dev_has_tray(blk)) { |
f364ec65 | 378 | info->has_tray_open = true; |
a7f53e26 | 379 | info->tray_open = blk_dev_is_tray_open(blk); |
f364ec65 WX |
380 | } |
381 | ||
373340b2 | 382 | if (blk_iostatus_is_enabled(blk)) { |
f364ec65 | 383 | info->has_io_status = true; |
373340b2 | 384 | info->io_status = blk_iostatus(blk); |
f364ec65 WX |
385 | } |
386 | ||
5433c24f | 387 | if (bs && !QLIST_EMPTY(&bs->dirty_bitmaps)) { |
21b56835 FZ |
388 | info->has_dirty_bitmaps = true; |
389 | info->dirty_bitmaps = bdrv_query_dirty_bitmaps(bs); | |
390 | } | |
391 | ||
5433c24f | 392 | if (bs && bs->drv) { |
f364ec65 | 393 | info->has_inserted = true; |
facda544 | 394 | info->inserted = bdrv_block_device_info(blk, bs, false, errp); |
d5a8ee60 AG |
395 | if (info->inserted == NULL) { |
396 | goto err; | |
553a7e87 | 397 | } |
f364ec65 | 398 | } |
553a7e87 WX |
399 | |
400 | *p_info = info; | |
401 | return; | |
402 | ||
403 | err: | |
404 | qapi_free_BlockInfo(info); | |
f364ec65 WX |
405 | } |
406 | ||
7e5c776d VSO |
407 | static uint64List *uint64_list(uint64_t *list, int size) |
408 | { | |
409 | int i; | |
410 | uint64List *out_list = NULL; | |
c3033fd3 | 411 | uint64List **tail = &out_list; |
7e5c776d VSO |
412 | |
413 | for (i = 0; i < size; i++) { | |
c3033fd3 | 414 | QAPI_LIST_APPEND(tail, list[i]); |
7e5c776d VSO |
415 | } |
416 | ||
7e5c776d VSO |
417 | return out_list; |
418 | } | |
419 | ||
420 | static void bdrv_latency_histogram_stats(BlockLatencyHistogram *hist, | |
421 | bool *not_null, | |
422 | BlockLatencyHistogramInfo **info) | |
423 | { | |
424 | *not_null = hist->bins != NULL; | |
425 | if (*not_null) { | |
426 | *info = g_new0(BlockLatencyHistogramInfo, 1); | |
427 | ||
428 | (*info)->boundaries = uint64_list(hist->boundaries, hist->nbins - 1); | |
429 | (*info)->bins = uint64_list(hist->bins, hist->nbins); | |
430 | } | |
431 | } | |
432 | ||
54302156 | 433 | static void bdrv_query_blk_stats(BlockDeviceStats *ds, BlockBackend *blk) |
2b77e60a KW |
434 | { |
435 | BlockAcctStats *stats = blk_get_stats(blk); | |
436 | BlockAcctTimedStats *ts = NULL; | |
437 | ||
54302156 HR |
438 | ds->rd_bytes = stats->nr_bytes[BLOCK_ACCT_READ]; |
439 | ds->wr_bytes = stats->nr_bytes[BLOCK_ACCT_WRITE]; | |
159f85dd | 440 | ds->unmap_bytes = stats->nr_bytes[BLOCK_ACCT_UNMAP]; |
54302156 HR |
441 | ds->rd_operations = stats->nr_ops[BLOCK_ACCT_READ]; |
442 | ds->wr_operations = stats->nr_ops[BLOCK_ACCT_WRITE]; | |
159f85dd | 443 | ds->unmap_operations = stats->nr_ops[BLOCK_ACCT_UNMAP]; |
2b77e60a | 444 | |
54302156 HR |
445 | ds->failed_rd_operations = stats->failed_ops[BLOCK_ACCT_READ]; |
446 | ds->failed_wr_operations = stats->failed_ops[BLOCK_ACCT_WRITE]; | |
447 | ds->failed_flush_operations = stats->failed_ops[BLOCK_ACCT_FLUSH]; | |
159f85dd | 448 | ds->failed_unmap_operations = stats->failed_ops[BLOCK_ACCT_UNMAP]; |
2b77e60a | 449 | |
54302156 HR |
450 | ds->invalid_rd_operations = stats->invalid_ops[BLOCK_ACCT_READ]; |
451 | ds->invalid_wr_operations = stats->invalid_ops[BLOCK_ACCT_WRITE]; | |
452 | ds->invalid_flush_operations = | |
2b77e60a | 453 | stats->invalid_ops[BLOCK_ACCT_FLUSH]; |
159f85dd | 454 | ds->invalid_unmap_operations = stats->invalid_ops[BLOCK_ACCT_UNMAP]; |
2b77e60a | 455 | |
54302156 HR |
456 | ds->rd_merged = stats->merged[BLOCK_ACCT_READ]; |
457 | ds->wr_merged = stats->merged[BLOCK_ACCT_WRITE]; | |
159f85dd | 458 | ds->unmap_merged = stats->merged[BLOCK_ACCT_UNMAP]; |
54302156 HR |
459 | ds->flush_operations = stats->nr_ops[BLOCK_ACCT_FLUSH]; |
460 | ds->wr_total_time_ns = stats->total_time_ns[BLOCK_ACCT_WRITE]; | |
461 | ds->rd_total_time_ns = stats->total_time_ns[BLOCK_ACCT_READ]; | |
462 | ds->flush_total_time_ns = stats->total_time_ns[BLOCK_ACCT_FLUSH]; | |
159f85dd | 463 | ds->unmap_total_time_ns = stats->total_time_ns[BLOCK_ACCT_UNMAP]; |
2b77e60a | 464 | |
54302156 HR |
465 | ds->has_idle_time_ns = stats->last_access_time_ns > 0; |
466 | if (ds->has_idle_time_ns) { | |
467 | ds->idle_time_ns = block_acct_idle_time_ns(stats); | |
2b77e60a KW |
468 | } |
469 | ||
54302156 HR |
470 | ds->account_invalid = stats->account_invalid; |
471 | ds->account_failed = stats->account_failed; | |
2b77e60a KW |
472 | |
473 | while ((ts = block_acct_interval_next(stats, ts))) { | |
2b77e60a | 474 | BlockDeviceTimedStats *dev_stats = g_malloc0(sizeof(*dev_stats)); |
2b77e60a KW |
475 | |
476 | TimedAverage *rd = &ts->latency[BLOCK_ACCT_READ]; | |
477 | TimedAverage *wr = &ts->latency[BLOCK_ACCT_WRITE]; | |
478 | TimedAverage *fl = &ts->latency[BLOCK_ACCT_FLUSH]; | |
479 | ||
480 | dev_stats->interval_length = ts->interval_length; | |
481 | ||
482 | dev_stats->min_rd_latency_ns = timed_average_min(rd); | |
483 | dev_stats->max_rd_latency_ns = timed_average_max(rd); | |
484 | dev_stats->avg_rd_latency_ns = timed_average_avg(rd); | |
485 | ||
486 | dev_stats->min_wr_latency_ns = timed_average_min(wr); | |
487 | dev_stats->max_wr_latency_ns = timed_average_max(wr); | |
488 | dev_stats->avg_wr_latency_ns = timed_average_avg(wr); | |
489 | ||
490 | dev_stats->min_flush_latency_ns = timed_average_min(fl); | |
491 | dev_stats->max_flush_latency_ns = timed_average_max(fl); | |
492 | dev_stats->avg_flush_latency_ns = timed_average_avg(fl); | |
493 | ||
494 | dev_stats->avg_rd_queue_depth = | |
495 | block_acct_queue_depth(ts, BLOCK_ACCT_READ); | |
496 | dev_stats->avg_wr_queue_depth = | |
497 | block_acct_queue_depth(ts, BLOCK_ACCT_WRITE); | |
54aa3de7 EB |
498 | |
499 | QAPI_LIST_PREPEND(ds->timed_stats, dev_stats); | |
2b77e60a | 500 | } |
7e5c776d VSO |
501 | |
502 | bdrv_latency_histogram_stats(&stats->latency_histogram[BLOCK_ACCT_READ], | |
cb8aac37 VSO |
503 | &ds->has_rd_latency_histogram, |
504 | &ds->rd_latency_histogram); | |
7e5c776d | 505 | bdrv_latency_histogram_stats(&stats->latency_histogram[BLOCK_ACCT_WRITE], |
cb8aac37 VSO |
506 | &ds->has_wr_latency_histogram, |
507 | &ds->wr_latency_histogram); | |
7e5c776d | 508 | bdrv_latency_histogram_stats(&stats->latency_histogram[BLOCK_ACCT_FLUSH], |
cb8aac37 VSO |
509 | &ds->has_flush_latency_histogram, |
510 | &ds->flush_latency_histogram); | |
2b77e60a KW |
511 | } |
512 | ||
d3c8c674 KW |
513 | static BlockStats *bdrv_query_bds_stats(BlockDriverState *bs, |
514 | bool blk_level) | |
f364ec65 | 515 | { |
3f26191c | 516 | BdrvChild *parent_child; |
0a7585db | 517 | BlockDriverState *filter_or_cow_bs; |
20a6d768 DL |
518 | BlockStats *s = NULL; |
519 | ||
520 | s = g_malloc0(sizeof(*s)); | |
521 | s->stats = g_malloc0(sizeof(*s->stats)); | |
522 | ||
523 | if (!bs) { | |
524 | return s; | |
525 | } | |
526 | ||
d3c8c674 KW |
527 | /* Skip automatically inserted nodes that the user isn't aware of in |
528 | * a BlockBackend-level command. Stay at the exact node for a node-level | |
529 | * command. */ | |
0a7585db HR |
530 | if (blk_level) { |
531 | bs = bdrv_skip_implicit_filters(bs); | |
d3c8c674 KW |
532 | } |
533 | ||
4875a779 FZ |
534 | if (bdrv_get_node_name(bs)[0]) { |
535 | s->has_node_name = true; | |
536 | s->node_name = g_strdup(bdrv_get_node_name(bs)); | |
537 | } | |
538 | ||
f7946da2 | 539 | s->stats->wr_highest_offset = stat64_get(&bs->wr_highest_offset); |
53d8f9d8 | 540 | |
d9245599 AN |
541 | s->driver_specific = bdrv_get_specific_stats(bs); |
542 | if (s->driver_specific) { | |
543 | s->has_driver_specific = true; | |
544 | } | |
545 | ||
3f26191c HR |
546 | parent_child = bdrv_primary_child(bs); |
547 | if (!parent_child || | |
548 | !(parent_child->role & (BDRV_CHILD_DATA | BDRV_CHILD_FILTERED))) | |
549 | { | |
550 | BdrvChild *c; | |
551 | ||
552 | /* | |
553 | * Look for a unique data-storing child. We do not need to look for | |
554 | * filtered children, as there would be only one and it would have been | |
555 | * the primary child. | |
556 | */ | |
557 | parent_child = NULL; | |
558 | QLIST_FOREACH(c, &bs->children, next) { | |
559 | if (c->role & BDRV_CHILD_DATA) { | |
560 | if (parent_child) { | |
561 | /* | |
562 | * There are multiple data-storing children and we cannot | |
563 | * choose between them. | |
564 | */ | |
565 | parent_child = NULL; | |
566 | break; | |
567 | } | |
568 | parent_child = c; | |
569 | } | |
570 | } | |
571 | } | |
572 | if (parent_child) { | |
f364ec65 | 573 | s->has_parent = true; |
3f26191c | 574 | s->parent = bdrv_query_bds_stats(parent_child->bs, blk_level); |
f364ec65 WX |
575 | } |
576 | ||
0a7585db HR |
577 | filter_or_cow_bs = bdrv_filter_or_cow_bs(bs); |
578 | if (blk_level && filter_or_cow_bs) { | |
579 | /* | |
580 | * Put any filtered or COW child here (for backwards | |
581 | * compatibility to when we put bs0->backing here, which might | |
582 | * be either) | |
583 | */ | |
c8059b97 | 584 | s->has_backing = true; |
0a7585db | 585 | s->backing = bdrv_query_bds_stats(filter_or_cow_bs, blk_level); |
c8059b97 FZ |
586 | } |
587 | ||
20a6d768 | 588 | return s; |
b07363a1 KW |
589 | } |
590 | ||
f364ec65 WX |
591 | BlockInfoList *qmp_query_block(Error **errp) |
592 | { | |
593 | BlockInfoList *head = NULL, **p_next = &head; | |
d829a211 | 594 | BlockBackend *blk; |
553a7e87 | 595 | Error *local_err = NULL; |
f364ec65 | 596 | |
d5b68844 KW |
597 | for (blk = blk_all_next(NULL); blk; blk = blk_all_next(blk)) { |
598 | BlockInfoList *info; | |
599 | ||
ec18b0a9 | 600 | if (!*blk_name(blk) && !blk_get_attached_dev(blk)) { |
d5b68844 KW |
601 | continue; |
602 | } | |
603 | ||
604 | info = g_malloc0(sizeof(*info)); | |
d829a211 | 605 | bdrv_query_info(blk, &info->value, &local_err); |
84d18f06 | 606 | if (local_err) { |
553a7e87 | 607 | error_propagate(errp, local_err); |
903c341d MA |
608 | g_free(info); |
609 | qapi_free_BlockInfoList(head); | |
610 | return NULL; | |
553a7e87 | 611 | } |
f364ec65 WX |
612 | |
613 | *p_next = info; | |
614 | p_next = &info->next; | |
615 | } | |
616 | ||
617 | return head; | |
618 | } | |
619 | ||
f71eaa74 FZ |
620 | BlockStatsList *qmp_query_blockstats(bool has_query_nodes, |
621 | bool query_nodes, | |
622 | Error **errp) | |
f364ec65 | 623 | { |
c3033fd3 | 624 | BlockStatsList *head = NULL, **tail = &head; |
a6baa608 DL |
625 | BlockBackend *blk; |
626 | BlockDriverState *bs; | |
f364ec65 | 627 | |
f71eaa74 | 628 | /* Just to be safe if query_nodes is not always initialized */ |
a6baa608 DL |
629 | if (has_query_nodes && query_nodes) { |
630 | for (bs = bdrv_next_node(NULL); bs; bs = bdrv_next_node(bs)) { | |
a6baa608 | 631 | AioContext *ctx = bdrv_get_aio_context(bs); |
13344f3a | 632 | |
a6baa608 | 633 | aio_context_acquire(ctx); |
c3033fd3 | 634 | QAPI_LIST_APPEND(tail, bdrv_query_bds_stats(bs, false)); |
a6baa608 | 635 | aio_context_release(ctx); |
a6baa608 DL |
636 | } |
637 | } else { | |
567dcb31 | 638 | for (blk = blk_all_next(NULL); blk; blk = blk_all_next(blk)) { |
a6baa608 DL |
639 | AioContext *ctx = blk_get_aio_context(blk); |
640 | BlockStats *s; | |
5a9cb5a9 | 641 | char *qdev; |
a6baa608 | 642 | |
567dcb31 KW |
643 | if (!*blk_name(blk) && !blk_get_attached_dev(blk)) { |
644 | continue; | |
645 | } | |
646 | ||
a6baa608 DL |
647 | aio_context_acquire(ctx); |
648 | s = bdrv_query_bds_stats(blk_bs(blk), true); | |
649 | s->has_device = true; | |
650 | s->device = g_strdup(blk_name(blk)); | |
5a9cb5a9 KW |
651 | |
652 | qdev = blk_get_attached_dev_id(blk); | |
653 | if (qdev && *qdev) { | |
654 | s->has_qdev = true; | |
655 | s->qdev = qdev; | |
656 | } else { | |
657 | g_free(qdev); | |
658 | } | |
659 | ||
a6baa608 DL |
660 | bdrv_query_blk_stats(s->stats, blk); |
661 | aio_context_release(ctx); | |
662 | ||
c3033fd3 | 663 | QAPI_LIST_APPEND(tail, s); |
a6baa608 | 664 | } |
f364ec65 WX |
665 | } |
666 | ||
667 | return head; | |
668 | } | |
669 | ||
e1ce7d74 | 670 | void bdrv_snapshot_dump(QEMUSnapshotInfo *sn) |
f364ec65 | 671 | { |
de38b500 | 672 | char date_buf[128], clock_buf[128]; |
b39847a5 | 673 | char icount_buf[128] = {0}; |
f364ec65 WX |
674 | struct tm tm; |
675 | time_t ti; | |
676 | int64_t secs; | |
de38b500 | 677 | char *sizing = NULL; |
f364ec65 WX |
678 | |
679 | if (!sn) { | |
26513a01 | 680 | qemu_printf("%-10s%-17s%8s%20s%13s%11s", |
b39847a5 | 681 | "ID", "TAG", "VM SIZE", "DATE", "VM CLOCK", "ICOUNT"); |
f364ec65 WX |
682 | } else { |
683 | ti = sn->date_sec; | |
684 | localtime_r(&ti, &tm); | |
685 | strftime(date_buf, sizeof(date_buf), | |
686 | "%Y-%m-%d %H:%M:%S", &tm); | |
687 | secs = sn->vm_clock_nsec / 1000000000; | |
688 | snprintf(clock_buf, sizeof(clock_buf), | |
689 | "%02d:%02d:%02d.%03d", | |
690 | (int)(secs / 3600), | |
691 | (int)((secs / 60) % 60), | |
692 | (int)(secs % 60), | |
693 | (int)((sn->vm_clock_nsec / 1000000) % 1000)); | |
de38b500 | 694 | sizing = size_to_str(sn->vm_state_size); |
b39847a5 PD |
695 | if (sn->icount != -1ULL) { |
696 | snprintf(icount_buf, sizeof(icount_buf), | |
697 | "%"PRId64, sn->icount); | |
698 | } | |
26513a01 | 699 | qemu_printf("%-9s %-16s %8s%20s%13s%11s", |
e1ce7d74 | 700 | sn->id_str, sn->name, |
de38b500 | 701 | sizing, |
e1ce7d74 | 702 | date_buf, |
b39847a5 PD |
703 | clock_buf, |
704 | icount_buf); | |
f364ec65 | 705 | } |
de38b500 | 706 | g_free(sizing); |
f364ec65 WX |
707 | } |
708 | ||
e1ce7d74 MA |
709 | static void dump_qdict(int indentation, QDict *dict); |
710 | static void dump_qlist(int indentation, QList *list); | |
a8d8ecb7 | 711 | |
e1ce7d74 | 712 | static void dump_qobject(int comp_indent, QObject *obj) |
a8d8ecb7 HR |
713 | { |
714 | switch (qobject_type(obj)) { | |
01b2ffce | 715 | case QTYPE_QNUM: { |
7dc847eb | 716 | QNum *value = qobject_to(QNum, obj); |
01b2ffce | 717 | char *tmp = qnum_to_string(value); |
e1ce7d74 | 718 | qemu_printf("%s", tmp); |
01b2ffce | 719 | g_free(tmp); |
a8d8ecb7 HR |
720 | break; |
721 | } | |
722 | case QTYPE_QSTRING: { | |
7dc847eb | 723 | QString *value = qobject_to(QString, obj); |
e1ce7d74 | 724 | qemu_printf("%s", qstring_get_str(value)); |
a8d8ecb7 HR |
725 | break; |
726 | } | |
727 | case QTYPE_QDICT: { | |
7dc847eb | 728 | QDict *value = qobject_to(QDict, obj); |
e1ce7d74 | 729 | dump_qdict(comp_indent, value); |
a8d8ecb7 HR |
730 | break; |
731 | } | |
732 | case QTYPE_QLIST: { | |
7dc847eb | 733 | QList *value = qobject_to(QList, obj); |
e1ce7d74 | 734 | dump_qlist(comp_indent, value); |
a8d8ecb7 HR |
735 | break; |
736 | } | |
a8d8ecb7 | 737 | case QTYPE_QBOOL: { |
7dc847eb | 738 | QBool *value = qobject_to(QBool, obj); |
e1ce7d74 | 739 | qemu_printf("%s", qbool_get_bool(value) ? "true" : "false"); |
a8d8ecb7 HR |
740 | break; |
741 | } | |
a8d8ecb7 HR |
742 | default: |
743 | abort(); | |
744 | } | |
745 | } | |
746 | ||
e1ce7d74 | 747 | static void dump_qlist(int indentation, QList *list) |
a8d8ecb7 HR |
748 | { |
749 | const QListEntry *entry; | |
750 | int i = 0; | |
751 | ||
752 | for (entry = qlist_first(list); entry; entry = qlist_next(entry), i++) { | |
1310a3d3 | 753 | QType type = qobject_type(entry->value); |
a8d8ecb7 | 754 | bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); |
e1ce7d74 MA |
755 | qemu_printf("%*s[%i]:%c", indentation * 4, "", i, |
756 | composite ? '\n' : ' '); | |
757 | dump_qobject(indentation + 1, entry->value); | |
a8d8ecb7 | 758 | if (!composite) { |
e1ce7d74 | 759 | qemu_printf("\n"); |
a8d8ecb7 HR |
760 | } |
761 | } | |
762 | } | |
763 | ||
e1ce7d74 | 764 | static void dump_qdict(int indentation, QDict *dict) |
a8d8ecb7 HR |
765 | { |
766 | const QDictEntry *entry; | |
767 | ||
768 | for (entry = qdict_first(dict); entry; entry = qdict_next(dict, entry)) { | |
1310a3d3 | 769 | QType type = qobject_type(entry->value); |
a8d8ecb7 | 770 | bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); |
5eda6227 | 771 | char *key = g_malloc(strlen(entry->key) + 1); |
a8d8ecb7 HR |
772 | int i; |
773 | ||
774 | /* replace dashes with spaces in key (variable) names */ | |
775 | for (i = 0; entry->key[i]; i++) { | |
776 | key[i] = entry->key[i] == '-' ? ' ' : entry->key[i]; | |
777 | } | |
778 | key[i] = 0; | |
e1ce7d74 MA |
779 | qemu_printf("%*s%s:%c", indentation * 4, "", key, |
780 | composite ? '\n' : ' '); | |
781 | dump_qobject(indentation + 1, entry->value); | |
a8d8ecb7 | 782 | if (!composite) { |
e1ce7d74 | 783 | qemu_printf("\n"); |
a8d8ecb7 | 784 | } |
5eda6227 | 785 | g_free(key); |
a8d8ecb7 HR |
786 | } |
787 | } | |
788 | ||
e1ce7d74 | 789 | void bdrv_image_info_specific_dump(ImageInfoSpecific *info_spec) |
a8d8ecb7 | 790 | { |
a8d8ecb7 | 791 | QObject *obj, *data; |
7d5e199a | 792 | Visitor *v = qobject_output_visitor_new(&obj); |
a8d8ecb7 | 793 | |
3b098d56 EB |
794 | visit_type_ImageInfoSpecific(v, NULL, &info_spec, &error_abort); |
795 | visit_complete(v, &obj); | |
7dc847eb | 796 | data = qdict_get(qobject_to(QDict, obj), "data"); |
e1ce7d74 | 797 | dump_qobject(1, data); |
cb3e7f08 | 798 | qobject_unref(obj); |
3b098d56 | 799 | visit_free(v); |
a8d8ecb7 HR |
800 | } |
801 | ||
e1ce7d74 | 802 | void bdrv_image_info_dump(ImageInfo *info) |
f364ec65 | 803 | { |
de38b500 | 804 | char *size_buf, *dsize_buf; |
f364ec65 | 805 | if (!info->has_actual_size) { |
de38b500 | 806 | dsize_buf = g_strdup("unavailable"); |
f364ec65 | 807 | } else { |
de38b500 | 808 | dsize_buf = size_to_str(info->actual_size); |
f364ec65 | 809 | } |
de38b500 | 810 | size_buf = size_to_str(info->virtual_size); |
e1ce7d74 MA |
811 | qemu_printf("image: %s\n" |
812 | "file format: %s\n" | |
813 | "virtual size: %s (%" PRId64 " bytes)\n" | |
814 | "disk size: %s\n", | |
815 | info->filename, info->format, size_buf, | |
816 | info->virtual_size, | |
817 | dsize_buf); | |
de38b500 EB |
818 | g_free(size_buf); |
819 | g_free(dsize_buf); | |
f364ec65 WX |
820 | |
821 | if (info->has_encrypted && info->encrypted) { | |
e1ce7d74 | 822 | qemu_printf("encrypted: yes\n"); |
f364ec65 WX |
823 | } |
824 | ||
825 | if (info->has_cluster_size) { | |
e1ce7d74 MA |
826 | qemu_printf("cluster_size: %" PRId64 "\n", |
827 | info->cluster_size); | |
f364ec65 WX |
828 | } |
829 | ||
830 | if (info->has_dirty_flag && info->dirty_flag) { | |
e1ce7d74 | 831 | qemu_printf("cleanly shut down: no\n"); |
f364ec65 WX |
832 | } |
833 | ||
834 | if (info->has_backing_filename) { | |
e1ce7d74 | 835 | qemu_printf("backing file: %s", info->backing_filename); |
5c9d9ca5 | 836 | if (!info->has_full_backing_filename) { |
e1ce7d74 | 837 | qemu_printf(" (cannot determine actual path)"); |
5c9d9ca5 JS |
838 | } else if (strcmp(info->backing_filename, |
839 | info->full_backing_filename) != 0) { | |
e1ce7d74 | 840 | qemu_printf(" (actual path: %s)", info->full_backing_filename); |
f364ec65 | 841 | } |
e1ce7d74 | 842 | qemu_printf("\n"); |
f364ec65 | 843 | if (info->has_backing_filename_format) { |
e1ce7d74 MA |
844 | qemu_printf("backing file format: %s\n", |
845 | info->backing_filename_format); | |
f364ec65 WX |
846 | } |
847 | } | |
848 | ||
849 | if (info->has_snapshots) { | |
850 | SnapshotInfoList *elem; | |
f364ec65 | 851 | |
e1ce7d74 MA |
852 | qemu_printf("Snapshot list:\n"); |
853 | bdrv_snapshot_dump(NULL); | |
854 | qemu_printf("\n"); | |
f364ec65 WX |
855 | |
856 | /* Ideally bdrv_snapshot_dump() would operate on SnapshotInfoList but | |
857 | * we convert to the block layer's native QEMUSnapshotInfo for now. | |
858 | */ | |
859 | for (elem = info->snapshots; elem; elem = elem->next) { | |
860 | QEMUSnapshotInfo sn = { | |
861 | .vm_state_size = elem->value->vm_state_size, | |
862 | .date_sec = elem->value->date_sec, | |
863 | .date_nsec = elem->value->date_nsec, | |
864 | .vm_clock_nsec = elem->value->vm_clock_sec * 1000000000ULL + | |
865 | elem->value->vm_clock_nsec, | |
b39847a5 PD |
866 | .icount = elem->value->has_icount ? |
867 | elem->value->icount : -1ULL, | |
f364ec65 WX |
868 | }; |
869 | ||
870 | pstrcpy(sn.id_str, sizeof(sn.id_str), elem->value->id); | |
871 | pstrcpy(sn.name, sizeof(sn.name), elem->value->name); | |
e1ce7d74 MA |
872 | bdrv_snapshot_dump(&sn); |
873 | qemu_printf("\n"); | |
f364ec65 WX |
874 | } |
875 | } | |
a8d8ecb7 HR |
876 | |
877 | if (info->has_format_specific) { | |
e1ce7d74 MA |
878 | qemu_printf("Format specific information:\n"); |
879 | bdrv_image_info_specific_dump(info->format_specific); | |
a8d8ecb7 | 880 | } |
f364ec65 | 881 | } |