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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; | |
fb0ed453 WX |
201 | SnapshotInfoList *info_list, *cur_item = NULL, *head = NULL; |
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 | |
fb0ed453 WX |
236 | info_list = g_new0(SnapshotInfoList, 1); |
237 | info_list->value = info; | |
f364ec65 WX |
238 | |
239 | /* XXX: waiting for the qapi to support qemu-queue.h types */ | |
240 | if (!cur_item) { | |
fb0ed453 | 241 | head = cur_item = info_list; |
f364ec65 WX |
242 | } else { |
243 | cur_item->next = info_list; | |
244 | cur_item = info_list; | |
245 | } | |
246 | ||
247 | } | |
248 | ||
249 | g_free(sn_tab); | |
fb0ed453 WX |
250 | *p_list = head; |
251 | return 0; | |
f364ec65 WX |
252 | } |
253 | ||
43526ec8 WX |
254 | /** |
255 | * bdrv_query_image_info: | |
256 | * @bs: block device to examine | |
257 | * @p_info: location to store image information | |
258 | * @errp: location to store error information | |
259 | * | |
553a7e87 WX |
260 | * Store "flat" image information in @p_info. |
261 | * | |
262 | * "Flat" means it does *not* query backing image information, | |
263 | * i.e. (*pinfo)->has_backing_image will be set to false and | |
264 | * (*pinfo)->backing_image to NULL even when the image does in fact have | |
265 | * a backing image. | |
266 | * | |
43526ec8 WX |
267 | * @p_info will be set only on success. On error, store error in @errp. |
268 | */ | |
269 | void bdrv_query_image_info(BlockDriverState *bs, | |
270 | ImageInfo **p_info, | |
271 | Error **errp) | |
f364ec65 | 272 | { |
52bf1e72 | 273 | int64_t size; |
43526ec8 | 274 | const char *backing_filename; |
f364ec65 | 275 | BlockDriverInfo bdi; |
43526ec8 WX |
276 | int ret; |
277 | Error *err = NULL; | |
52bf1e72 | 278 | ImageInfo *info; |
f364ec65 | 279 | |
1963f8d5 PB |
280 | aio_context_acquire(bdrv_get_aio_context(bs)); |
281 | ||
52bf1e72 MA |
282 | size = bdrv_getlength(bs); |
283 | if (size < 0) { | |
9adceb02 FZ |
284 | error_setg_errno(errp, -size, "Can't get image size '%s'", |
285 | bs->exact_filename); | |
1963f8d5 | 286 | goto out; |
52bf1e72 | 287 | } |
f364ec65 | 288 | |
f30c66ba HR |
289 | bdrv_refresh_filename(bs); |
290 | ||
52bf1e72 | 291 | info = g_new0(ImageInfo, 1); |
43526ec8 | 292 | info->filename = g_strdup(bs->filename); |
f364ec65 | 293 | info->format = g_strdup(bdrv_get_format_name(bs)); |
52bf1e72 | 294 | info->virtual_size = size; |
f364ec65 WX |
295 | info->actual_size = bdrv_get_allocated_file_size(bs); |
296 | info->has_actual_size = info->actual_size >= 0; | |
8b8277cd | 297 | if (bs->encrypted) { |
f364ec65 WX |
298 | info->encrypted = true; |
299 | info->has_encrypted = true; | |
300 | } | |
301 | if (bdrv_get_info(bs, &bdi) >= 0) { | |
302 | if (bdi.cluster_size != 0) { | |
303 | info->cluster_size = bdi.cluster_size; | |
304 | info->has_cluster_size = true; | |
305 | } | |
306 | info->dirty_flag = bdi.is_dirty; | |
307 | info->has_dirty_flag = true; | |
308 | } | |
1bf6e9ca AS |
309 | info->format_specific = bdrv_get_specific_info(bs, &err); |
310 | if (err) { | |
311 | error_propagate(errp, err); | |
312 | qapi_free_ImageInfo(info); | |
313 | goto out; | |
314 | } | |
eae041fe HR |
315 | info->has_format_specific = info->format_specific != NULL; |
316 | ||
43526ec8 | 317 | backing_filename = bs->backing_file; |
f364ec65 | 318 | if (backing_filename[0] != '\0') { |
6b6833c1 | 319 | char *backing_filename2; |
0b877d09 | 320 | |
f364ec65 WX |
321 | info->backing_filename = g_strdup(backing_filename); |
322 | info->has_backing_filename = true; | |
6b6833c1 | 323 | backing_filename2 = bdrv_get_full_backing_filename(bs, NULL); |
f364ec65 | 324 | |
12dcb1c0 JS |
325 | /* Always report the full_backing_filename if present, even if it's the |
326 | * same as backing_filename. That they are same is useful info. */ | |
327 | if (backing_filename2) { | |
328 | info->full_backing_filename = g_strdup(backing_filename2); | |
f364ec65 WX |
329 | info->has_full_backing_filename = true; |
330 | } | |
331 | ||
332 | if (bs->backing_format[0]) { | |
333 | info->backing_filename_format = g_strdup(bs->backing_format); | |
334 | info->has_backing_filename_format = true; | |
335 | } | |
564d64bd | 336 | g_free(backing_filename2); |
f364ec65 | 337 | } |
43526ec8 WX |
338 | |
339 | ret = bdrv_query_snapshot_info_list(bs, &info->snapshots, &err); | |
340 | switch (ret) { | |
341 | case 0: | |
342 | if (info->snapshots) { | |
343 | info->has_snapshots = true; | |
344 | } | |
345 | break; | |
346 | /* recoverable error */ | |
347 | case -ENOMEDIUM: | |
348 | case -ENOTSUP: | |
349 | error_free(err); | |
350 | break; | |
351 | default: | |
352 | error_propagate(errp, err); | |
353 | qapi_free_ImageInfo(info); | |
1963f8d5 | 354 | goto out; |
43526ec8 WX |
355 | } |
356 | ||
357 | *p_info = info; | |
1963f8d5 PB |
358 | |
359 | out: | |
360 | aio_context_release(bdrv_get_aio_context(bs)); | |
f364ec65 WX |
361 | } |
362 | ||
553a7e87 | 363 | /* @p_info will be set only on success. */ |
d829a211 MA |
364 | static void bdrv_query_info(BlockBackend *blk, BlockInfo **p_info, |
365 | Error **errp) | |
f364ec65 WX |
366 | { |
367 | BlockInfo *info = g_malloc0(sizeof(*info)); | |
d829a211 | 368 | BlockDriverState *bs = blk_bs(blk); |
46eade7b KW |
369 | char *qdev; |
370 | ||
d3c8c674 | 371 | /* Skip automatically inserted nodes that the user isn't aware of */ |
0a7585db | 372 | bs = bdrv_skip_implicit_filters(bs); |
d3c8c674 | 373 | |
d829a211 | 374 | info->device = g_strdup(blk_name(blk)); |
f364ec65 | 375 | info->type = g_strdup("unknown"); |
a7f53e26 MA |
376 | info->locked = blk_dev_is_medium_locked(blk); |
377 | info->removable = blk_dev_has_removable_media(blk); | |
f364ec65 | 378 | |
46eade7b KW |
379 | qdev = blk_get_attached_dev_id(blk); |
380 | if (qdev && *qdev) { | |
381 | info->has_qdev = true; | |
382 | info->qdev = qdev; | |
383 | } else { | |
384 | g_free(qdev); | |
385 | } | |
386 | ||
327032ce | 387 | if (blk_dev_has_tray(blk)) { |
f364ec65 | 388 | info->has_tray_open = true; |
a7f53e26 | 389 | info->tray_open = blk_dev_is_tray_open(blk); |
f364ec65 WX |
390 | } |
391 | ||
373340b2 | 392 | if (blk_iostatus_is_enabled(blk)) { |
f364ec65 | 393 | info->has_io_status = true; |
373340b2 | 394 | info->io_status = blk_iostatus(blk); |
f364ec65 WX |
395 | } |
396 | ||
5433c24f | 397 | if (bs && !QLIST_EMPTY(&bs->dirty_bitmaps)) { |
21b56835 FZ |
398 | info->has_dirty_bitmaps = true; |
399 | info->dirty_bitmaps = bdrv_query_dirty_bitmaps(bs); | |
400 | } | |
401 | ||
5433c24f | 402 | if (bs && bs->drv) { |
f364ec65 | 403 | info->has_inserted = true; |
facda544 | 404 | info->inserted = bdrv_block_device_info(blk, bs, false, errp); |
d5a8ee60 AG |
405 | if (info->inserted == NULL) { |
406 | goto err; | |
553a7e87 | 407 | } |
f364ec65 | 408 | } |
553a7e87 WX |
409 | |
410 | *p_info = info; | |
411 | return; | |
412 | ||
413 | err: | |
414 | qapi_free_BlockInfo(info); | |
f364ec65 WX |
415 | } |
416 | ||
7e5c776d VSO |
417 | static uint64List *uint64_list(uint64_t *list, int size) |
418 | { | |
419 | int i; | |
420 | uint64List *out_list = NULL; | |
c3033fd3 | 421 | uint64List **tail = &out_list; |
7e5c776d VSO |
422 | |
423 | for (i = 0; i < size; i++) { | |
c3033fd3 | 424 | QAPI_LIST_APPEND(tail, list[i]); |
7e5c776d VSO |
425 | } |
426 | ||
7e5c776d VSO |
427 | return out_list; |
428 | } | |
429 | ||
430 | static void bdrv_latency_histogram_stats(BlockLatencyHistogram *hist, | |
431 | bool *not_null, | |
432 | BlockLatencyHistogramInfo **info) | |
433 | { | |
434 | *not_null = hist->bins != NULL; | |
435 | if (*not_null) { | |
436 | *info = g_new0(BlockLatencyHistogramInfo, 1); | |
437 | ||
438 | (*info)->boundaries = uint64_list(hist->boundaries, hist->nbins - 1); | |
439 | (*info)->bins = uint64_list(hist->bins, hist->nbins); | |
440 | } | |
441 | } | |
442 | ||
54302156 | 443 | static void bdrv_query_blk_stats(BlockDeviceStats *ds, BlockBackend *blk) |
2b77e60a KW |
444 | { |
445 | BlockAcctStats *stats = blk_get_stats(blk); | |
446 | BlockAcctTimedStats *ts = NULL; | |
447 | ||
54302156 HR |
448 | ds->rd_bytes = stats->nr_bytes[BLOCK_ACCT_READ]; |
449 | ds->wr_bytes = stats->nr_bytes[BLOCK_ACCT_WRITE]; | |
159f85dd | 450 | ds->unmap_bytes = stats->nr_bytes[BLOCK_ACCT_UNMAP]; |
54302156 HR |
451 | ds->rd_operations = stats->nr_ops[BLOCK_ACCT_READ]; |
452 | ds->wr_operations = stats->nr_ops[BLOCK_ACCT_WRITE]; | |
159f85dd | 453 | ds->unmap_operations = stats->nr_ops[BLOCK_ACCT_UNMAP]; |
2b77e60a | 454 | |
54302156 HR |
455 | ds->failed_rd_operations = stats->failed_ops[BLOCK_ACCT_READ]; |
456 | ds->failed_wr_operations = stats->failed_ops[BLOCK_ACCT_WRITE]; | |
457 | ds->failed_flush_operations = stats->failed_ops[BLOCK_ACCT_FLUSH]; | |
159f85dd | 458 | ds->failed_unmap_operations = stats->failed_ops[BLOCK_ACCT_UNMAP]; |
2b77e60a | 459 | |
54302156 HR |
460 | ds->invalid_rd_operations = stats->invalid_ops[BLOCK_ACCT_READ]; |
461 | ds->invalid_wr_operations = stats->invalid_ops[BLOCK_ACCT_WRITE]; | |
462 | ds->invalid_flush_operations = | |
2b77e60a | 463 | stats->invalid_ops[BLOCK_ACCT_FLUSH]; |
159f85dd | 464 | ds->invalid_unmap_operations = stats->invalid_ops[BLOCK_ACCT_UNMAP]; |
2b77e60a | 465 | |
54302156 HR |
466 | ds->rd_merged = stats->merged[BLOCK_ACCT_READ]; |
467 | ds->wr_merged = stats->merged[BLOCK_ACCT_WRITE]; | |
159f85dd | 468 | ds->unmap_merged = stats->merged[BLOCK_ACCT_UNMAP]; |
54302156 HR |
469 | ds->flush_operations = stats->nr_ops[BLOCK_ACCT_FLUSH]; |
470 | ds->wr_total_time_ns = stats->total_time_ns[BLOCK_ACCT_WRITE]; | |
471 | ds->rd_total_time_ns = stats->total_time_ns[BLOCK_ACCT_READ]; | |
472 | ds->flush_total_time_ns = stats->total_time_ns[BLOCK_ACCT_FLUSH]; | |
159f85dd | 473 | ds->unmap_total_time_ns = stats->total_time_ns[BLOCK_ACCT_UNMAP]; |
2b77e60a | 474 | |
54302156 HR |
475 | ds->has_idle_time_ns = stats->last_access_time_ns > 0; |
476 | if (ds->has_idle_time_ns) { | |
477 | ds->idle_time_ns = block_acct_idle_time_ns(stats); | |
2b77e60a KW |
478 | } |
479 | ||
54302156 HR |
480 | ds->account_invalid = stats->account_invalid; |
481 | ds->account_failed = stats->account_failed; | |
2b77e60a KW |
482 | |
483 | while ((ts = block_acct_interval_next(stats, ts))) { | |
2b77e60a | 484 | BlockDeviceTimedStats *dev_stats = g_malloc0(sizeof(*dev_stats)); |
2b77e60a KW |
485 | |
486 | TimedAverage *rd = &ts->latency[BLOCK_ACCT_READ]; | |
487 | TimedAverage *wr = &ts->latency[BLOCK_ACCT_WRITE]; | |
488 | TimedAverage *fl = &ts->latency[BLOCK_ACCT_FLUSH]; | |
489 | ||
490 | dev_stats->interval_length = ts->interval_length; | |
491 | ||
492 | dev_stats->min_rd_latency_ns = timed_average_min(rd); | |
493 | dev_stats->max_rd_latency_ns = timed_average_max(rd); | |
494 | dev_stats->avg_rd_latency_ns = timed_average_avg(rd); | |
495 | ||
496 | dev_stats->min_wr_latency_ns = timed_average_min(wr); | |
497 | dev_stats->max_wr_latency_ns = timed_average_max(wr); | |
498 | dev_stats->avg_wr_latency_ns = timed_average_avg(wr); | |
499 | ||
500 | dev_stats->min_flush_latency_ns = timed_average_min(fl); | |
501 | dev_stats->max_flush_latency_ns = timed_average_max(fl); | |
502 | dev_stats->avg_flush_latency_ns = timed_average_avg(fl); | |
503 | ||
504 | dev_stats->avg_rd_queue_depth = | |
505 | block_acct_queue_depth(ts, BLOCK_ACCT_READ); | |
506 | dev_stats->avg_wr_queue_depth = | |
507 | block_acct_queue_depth(ts, BLOCK_ACCT_WRITE); | |
54aa3de7 EB |
508 | |
509 | QAPI_LIST_PREPEND(ds->timed_stats, dev_stats); | |
2b77e60a | 510 | } |
7e5c776d VSO |
511 | |
512 | bdrv_latency_histogram_stats(&stats->latency_histogram[BLOCK_ACCT_READ], | |
cb8aac37 VSO |
513 | &ds->has_rd_latency_histogram, |
514 | &ds->rd_latency_histogram); | |
7e5c776d | 515 | bdrv_latency_histogram_stats(&stats->latency_histogram[BLOCK_ACCT_WRITE], |
cb8aac37 VSO |
516 | &ds->has_wr_latency_histogram, |
517 | &ds->wr_latency_histogram); | |
7e5c776d | 518 | bdrv_latency_histogram_stats(&stats->latency_histogram[BLOCK_ACCT_FLUSH], |
cb8aac37 VSO |
519 | &ds->has_flush_latency_histogram, |
520 | &ds->flush_latency_histogram); | |
2b77e60a KW |
521 | } |
522 | ||
d3c8c674 KW |
523 | static BlockStats *bdrv_query_bds_stats(BlockDriverState *bs, |
524 | bool blk_level) | |
f364ec65 | 525 | { |
3f26191c | 526 | BdrvChild *parent_child; |
0a7585db | 527 | BlockDriverState *filter_or_cow_bs; |
20a6d768 DL |
528 | BlockStats *s = NULL; |
529 | ||
530 | s = g_malloc0(sizeof(*s)); | |
531 | s->stats = g_malloc0(sizeof(*s->stats)); | |
532 | ||
533 | if (!bs) { | |
534 | return s; | |
535 | } | |
536 | ||
d3c8c674 KW |
537 | /* Skip automatically inserted nodes that the user isn't aware of in |
538 | * a BlockBackend-level command. Stay at the exact node for a node-level | |
539 | * command. */ | |
0a7585db HR |
540 | if (blk_level) { |
541 | bs = bdrv_skip_implicit_filters(bs); | |
d3c8c674 KW |
542 | } |
543 | ||
4875a779 FZ |
544 | if (bdrv_get_node_name(bs)[0]) { |
545 | s->has_node_name = true; | |
546 | s->node_name = g_strdup(bdrv_get_node_name(bs)); | |
547 | } | |
548 | ||
f7946da2 | 549 | s->stats->wr_highest_offset = stat64_get(&bs->wr_highest_offset); |
53d8f9d8 | 550 | |
d9245599 AN |
551 | s->driver_specific = bdrv_get_specific_stats(bs); |
552 | if (s->driver_specific) { | |
553 | s->has_driver_specific = true; | |
554 | } | |
555 | ||
3f26191c HR |
556 | parent_child = bdrv_primary_child(bs); |
557 | if (!parent_child || | |
558 | !(parent_child->role & (BDRV_CHILD_DATA | BDRV_CHILD_FILTERED))) | |
559 | { | |
560 | BdrvChild *c; | |
561 | ||
562 | /* | |
563 | * Look for a unique data-storing child. We do not need to look for | |
564 | * filtered children, as there would be only one and it would have been | |
565 | * the primary child. | |
566 | */ | |
567 | parent_child = NULL; | |
568 | QLIST_FOREACH(c, &bs->children, next) { | |
569 | if (c->role & BDRV_CHILD_DATA) { | |
570 | if (parent_child) { | |
571 | /* | |
572 | * There are multiple data-storing children and we cannot | |
573 | * choose between them. | |
574 | */ | |
575 | parent_child = NULL; | |
576 | break; | |
577 | } | |
578 | parent_child = c; | |
579 | } | |
580 | } | |
581 | } | |
582 | if (parent_child) { | |
f364ec65 | 583 | s->has_parent = true; |
3f26191c | 584 | s->parent = bdrv_query_bds_stats(parent_child->bs, blk_level); |
f364ec65 WX |
585 | } |
586 | ||
0a7585db HR |
587 | filter_or_cow_bs = bdrv_filter_or_cow_bs(bs); |
588 | if (blk_level && filter_or_cow_bs) { | |
589 | /* | |
590 | * Put any filtered or COW child here (for backwards | |
591 | * compatibility to when we put bs0->backing here, which might | |
592 | * be either) | |
593 | */ | |
c8059b97 | 594 | s->has_backing = true; |
0a7585db | 595 | s->backing = bdrv_query_bds_stats(filter_or_cow_bs, blk_level); |
c8059b97 FZ |
596 | } |
597 | ||
20a6d768 | 598 | return s; |
b07363a1 KW |
599 | } |
600 | ||
f364ec65 WX |
601 | BlockInfoList *qmp_query_block(Error **errp) |
602 | { | |
603 | BlockInfoList *head = NULL, **p_next = &head; | |
d829a211 | 604 | BlockBackend *blk; |
553a7e87 | 605 | Error *local_err = NULL; |
f364ec65 | 606 | |
d5b68844 KW |
607 | for (blk = blk_all_next(NULL); blk; blk = blk_all_next(blk)) { |
608 | BlockInfoList *info; | |
609 | ||
ec18b0a9 | 610 | if (!*blk_name(blk) && !blk_get_attached_dev(blk)) { |
d5b68844 KW |
611 | continue; |
612 | } | |
613 | ||
614 | info = g_malloc0(sizeof(*info)); | |
d829a211 | 615 | bdrv_query_info(blk, &info->value, &local_err); |
84d18f06 | 616 | if (local_err) { |
553a7e87 | 617 | error_propagate(errp, local_err); |
903c341d MA |
618 | g_free(info); |
619 | qapi_free_BlockInfoList(head); | |
620 | return NULL; | |
553a7e87 | 621 | } |
f364ec65 WX |
622 | |
623 | *p_next = info; | |
624 | p_next = &info->next; | |
625 | } | |
626 | ||
627 | return head; | |
628 | } | |
629 | ||
f71eaa74 FZ |
630 | BlockStatsList *qmp_query_blockstats(bool has_query_nodes, |
631 | bool query_nodes, | |
632 | Error **errp) | |
f364ec65 | 633 | { |
c3033fd3 | 634 | BlockStatsList *head = NULL, **tail = &head; |
a6baa608 DL |
635 | BlockBackend *blk; |
636 | BlockDriverState *bs; | |
f364ec65 | 637 | |
f71eaa74 | 638 | /* Just to be safe if query_nodes is not always initialized */ |
a6baa608 DL |
639 | if (has_query_nodes && query_nodes) { |
640 | for (bs = bdrv_next_node(NULL); bs; bs = bdrv_next_node(bs)) { | |
a6baa608 | 641 | AioContext *ctx = bdrv_get_aio_context(bs); |
13344f3a | 642 | |
a6baa608 | 643 | aio_context_acquire(ctx); |
c3033fd3 | 644 | QAPI_LIST_APPEND(tail, bdrv_query_bds_stats(bs, false)); |
a6baa608 | 645 | aio_context_release(ctx); |
a6baa608 DL |
646 | } |
647 | } else { | |
567dcb31 | 648 | for (blk = blk_all_next(NULL); blk; blk = blk_all_next(blk)) { |
a6baa608 DL |
649 | AioContext *ctx = blk_get_aio_context(blk); |
650 | BlockStats *s; | |
5a9cb5a9 | 651 | char *qdev; |
a6baa608 | 652 | |
567dcb31 KW |
653 | if (!*blk_name(blk) && !blk_get_attached_dev(blk)) { |
654 | continue; | |
655 | } | |
656 | ||
a6baa608 DL |
657 | aio_context_acquire(ctx); |
658 | s = bdrv_query_bds_stats(blk_bs(blk), true); | |
659 | s->has_device = true; | |
660 | s->device = g_strdup(blk_name(blk)); | |
5a9cb5a9 KW |
661 | |
662 | qdev = blk_get_attached_dev_id(blk); | |
663 | if (qdev && *qdev) { | |
664 | s->has_qdev = true; | |
665 | s->qdev = qdev; | |
666 | } else { | |
667 | g_free(qdev); | |
668 | } | |
669 | ||
a6baa608 DL |
670 | bdrv_query_blk_stats(s->stats, blk); |
671 | aio_context_release(ctx); | |
672 | ||
c3033fd3 | 673 | QAPI_LIST_APPEND(tail, s); |
a6baa608 | 674 | } |
f364ec65 WX |
675 | } |
676 | ||
677 | return head; | |
678 | } | |
679 | ||
e1ce7d74 | 680 | void bdrv_snapshot_dump(QEMUSnapshotInfo *sn) |
f364ec65 | 681 | { |
de38b500 | 682 | char date_buf[128], clock_buf[128]; |
b39847a5 | 683 | char icount_buf[128] = {0}; |
f364ec65 WX |
684 | struct tm tm; |
685 | time_t ti; | |
686 | int64_t secs; | |
de38b500 | 687 | char *sizing = NULL; |
f364ec65 WX |
688 | |
689 | if (!sn) { | |
b39847a5 PD |
690 | qemu_printf("%-10s%-18s%7s%20s%13s%11s", |
691 | "ID", "TAG", "VM SIZE", "DATE", "VM CLOCK", "ICOUNT"); | |
f364ec65 WX |
692 | } else { |
693 | ti = sn->date_sec; | |
694 | localtime_r(&ti, &tm); | |
695 | strftime(date_buf, sizeof(date_buf), | |
696 | "%Y-%m-%d %H:%M:%S", &tm); | |
697 | secs = sn->vm_clock_nsec / 1000000000; | |
698 | snprintf(clock_buf, sizeof(clock_buf), | |
699 | "%02d:%02d:%02d.%03d", | |
700 | (int)(secs / 3600), | |
701 | (int)((secs / 60) % 60), | |
702 | (int)(secs % 60), | |
703 | (int)((sn->vm_clock_nsec / 1000000) % 1000)); | |
de38b500 | 704 | sizing = size_to_str(sn->vm_state_size); |
b39847a5 PD |
705 | if (sn->icount != -1ULL) { |
706 | snprintf(icount_buf, sizeof(icount_buf), | |
707 | "%"PRId64, sn->icount); | |
708 | } | |
709 | qemu_printf("%-9s %-17s %7s%20s%13s%11s", | |
e1ce7d74 | 710 | sn->id_str, sn->name, |
de38b500 | 711 | sizing, |
e1ce7d74 | 712 | date_buf, |
b39847a5 PD |
713 | clock_buf, |
714 | icount_buf); | |
f364ec65 | 715 | } |
de38b500 | 716 | g_free(sizing); |
f364ec65 WX |
717 | } |
718 | ||
e1ce7d74 MA |
719 | static void dump_qdict(int indentation, QDict *dict); |
720 | static void dump_qlist(int indentation, QList *list); | |
a8d8ecb7 | 721 | |
e1ce7d74 | 722 | static void dump_qobject(int comp_indent, QObject *obj) |
a8d8ecb7 HR |
723 | { |
724 | switch (qobject_type(obj)) { | |
01b2ffce | 725 | case QTYPE_QNUM: { |
7dc847eb | 726 | QNum *value = qobject_to(QNum, obj); |
01b2ffce | 727 | char *tmp = qnum_to_string(value); |
e1ce7d74 | 728 | qemu_printf("%s", tmp); |
01b2ffce | 729 | g_free(tmp); |
a8d8ecb7 HR |
730 | break; |
731 | } | |
732 | case QTYPE_QSTRING: { | |
7dc847eb | 733 | QString *value = qobject_to(QString, obj); |
e1ce7d74 | 734 | qemu_printf("%s", qstring_get_str(value)); |
a8d8ecb7 HR |
735 | break; |
736 | } | |
737 | case QTYPE_QDICT: { | |
7dc847eb | 738 | QDict *value = qobject_to(QDict, obj); |
e1ce7d74 | 739 | dump_qdict(comp_indent, value); |
a8d8ecb7 HR |
740 | break; |
741 | } | |
742 | case QTYPE_QLIST: { | |
7dc847eb | 743 | QList *value = qobject_to(QList, obj); |
e1ce7d74 | 744 | dump_qlist(comp_indent, value); |
a8d8ecb7 HR |
745 | break; |
746 | } | |
a8d8ecb7 | 747 | case QTYPE_QBOOL: { |
7dc847eb | 748 | QBool *value = qobject_to(QBool, obj); |
e1ce7d74 | 749 | qemu_printf("%s", qbool_get_bool(value) ? "true" : "false"); |
a8d8ecb7 HR |
750 | break; |
751 | } | |
a8d8ecb7 HR |
752 | default: |
753 | abort(); | |
754 | } | |
755 | } | |
756 | ||
e1ce7d74 | 757 | static void dump_qlist(int indentation, QList *list) |
a8d8ecb7 HR |
758 | { |
759 | const QListEntry *entry; | |
760 | int i = 0; | |
761 | ||
762 | for (entry = qlist_first(list); entry; entry = qlist_next(entry), i++) { | |
1310a3d3 | 763 | QType type = qobject_type(entry->value); |
a8d8ecb7 | 764 | bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); |
e1ce7d74 MA |
765 | qemu_printf("%*s[%i]:%c", indentation * 4, "", i, |
766 | composite ? '\n' : ' '); | |
767 | dump_qobject(indentation + 1, entry->value); | |
a8d8ecb7 | 768 | if (!composite) { |
e1ce7d74 | 769 | qemu_printf("\n"); |
a8d8ecb7 HR |
770 | } |
771 | } | |
772 | } | |
773 | ||
e1ce7d74 | 774 | static void dump_qdict(int indentation, QDict *dict) |
a8d8ecb7 HR |
775 | { |
776 | const QDictEntry *entry; | |
777 | ||
778 | for (entry = qdict_first(dict); entry; entry = qdict_next(dict, entry)) { | |
1310a3d3 | 779 | QType type = qobject_type(entry->value); |
a8d8ecb7 | 780 | bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); |
5eda6227 | 781 | char *key = g_malloc(strlen(entry->key) + 1); |
a8d8ecb7 HR |
782 | int i; |
783 | ||
784 | /* replace dashes with spaces in key (variable) names */ | |
785 | for (i = 0; entry->key[i]; i++) { | |
786 | key[i] = entry->key[i] == '-' ? ' ' : entry->key[i]; | |
787 | } | |
788 | key[i] = 0; | |
e1ce7d74 MA |
789 | qemu_printf("%*s%s:%c", indentation * 4, "", key, |
790 | composite ? '\n' : ' '); | |
791 | dump_qobject(indentation + 1, entry->value); | |
a8d8ecb7 | 792 | if (!composite) { |
e1ce7d74 | 793 | qemu_printf("\n"); |
a8d8ecb7 | 794 | } |
5eda6227 | 795 | g_free(key); |
a8d8ecb7 HR |
796 | } |
797 | } | |
798 | ||
e1ce7d74 | 799 | void bdrv_image_info_specific_dump(ImageInfoSpecific *info_spec) |
a8d8ecb7 | 800 | { |
a8d8ecb7 | 801 | QObject *obj, *data; |
7d5e199a | 802 | Visitor *v = qobject_output_visitor_new(&obj); |
a8d8ecb7 | 803 | |
3b098d56 EB |
804 | visit_type_ImageInfoSpecific(v, NULL, &info_spec, &error_abort); |
805 | visit_complete(v, &obj); | |
7dc847eb | 806 | data = qdict_get(qobject_to(QDict, obj), "data"); |
e1ce7d74 | 807 | dump_qobject(1, data); |
cb3e7f08 | 808 | qobject_unref(obj); |
3b098d56 | 809 | visit_free(v); |
a8d8ecb7 HR |
810 | } |
811 | ||
e1ce7d74 | 812 | void bdrv_image_info_dump(ImageInfo *info) |
f364ec65 | 813 | { |
de38b500 | 814 | char *size_buf, *dsize_buf; |
f364ec65 | 815 | if (!info->has_actual_size) { |
de38b500 | 816 | dsize_buf = g_strdup("unavailable"); |
f364ec65 | 817 | } else { |
de38b500 | 818 | dsize_buf = size_to_str(info->actual_size); |
f364ec65 | 819 | } |
de38b500 | 820 | size_buf = size_to_str(info->virtual_size); |
e1ce7d74 MA |
821 | qemu_printf("image: %s\n" |
822 | "file format: %s\n" | |
823 | "virtual size: %s (%" PRId64 " bytes)\n" | |
824 | "disk size: %s\n", | |
825 | info->filename, info->format, size_buf, | |
826 | info->virtual_size, | |
827 | dsize_buf); | |
de38b500 EB |
828 | g_free(size_buf); |
829 | g_free(dsize_buf); | |
f364ec65 WX |
830 | |
831 | if (info->has_encrypted && info->encrypted) { | |
e1ce7d74 | 832 | qemu_printf("encrypted: yes\n"); |
f364ec65 WX |
833 | } |
834 | ||
835 | if (info->has_cluster_size) { | |
e1ce7d74 MA |
836 | qemu_printf("cluster_size: %" PRId64 "\n", |
837 | info->cluster_size); | |
f364ec65 WX |
838 | } |
839 | ||
840 | if (info->has_dirty_flag && info->dirty_flag) { | |
e1ce7d74 | 841 | qemu_printf("cleanly shut down: no\n"); |
f364ec65 WX |
842 | } |
843 | ||
844 | if (info->has_backing_filename) { | |
e1ce7d74 | 845 | qemu_printf("backing file: %s", info->backing_filename); |
5c9d9ca5 | 846 | if (!info->has_full_backing_filename) { |
e1ce7d74 | 847 | qemu_printf(" (cannot determine actual path)"); |
5c9d9ca5 JS |
848 | } else if (strcmp(info->backing_filename, |
849 | info->full_backing_filename) != 0) { | |
e1ce7d74 | 850 | qemu_printf(" (actual path: %s)", info->full_backing_filename); |
f364ec65 | 851 | } |
e1ce7d74 | 852 | qemu_printf("\n"); |
f364ec65 | 853 | if (info->has_backing_filename_format) { |
e1ce7d74 MA |
854 | qemu_printf("backing file format: %s\n", |
855 | info->backing_filename_format); | |
f364ec65 WX |
856 | } |
857 | } | |
858 | ||
859 | if (info->has_snapshots) { | |
860 | SnapshotInfoList *elem; | |
f364ec65 | 861 | |
e1ce7d74 MA |
862 | qemu_printf("Snapshot list:\n"); |
863 | bdrv_snapshot_dump(NULL); | |
864 | qemu_printf("\n"); | |
f364ec65 WX |
865 | |
866 | /* Ideally bdrv_snapshot_dump() would operate on SnapshotInfoList but | |
867 | * we convert to the block layer's native QEMUSnapshotInfo for now. | |
868 | */ | |
869 | for (elem = info->snapshots; elem; elem = elem->next) { | |
870 | QEMUSnapshotInfo sn = { | |
871 | .vm_state_size = elem->value->vm_state_size, | |
872 | .date_sec = elem->value->date_sec, | |
873 | .date_nsec = elem->value->date_nsec, | |
874 | .vm_clock_nsec = elem->value->vm_clock_sec * 1000000000ULL + | |
875 | elem->value->vm_clock_nsec, | |
b39847a5 PD |
876 | .icount = elem->value->has_icount ? |
877 | elem->value->icount : -1ULL, | |
f364ec65 WX |
878 | }; |
879 | ||
880 | pstrcpy(sn.id_str, sizeof(sn.id_str), elem->value->id); | |
881 | pstrcpy(sn.name, sizeof(sn.name), elem->value->name); | |
e1ce7d74 MA |
882 | bdrv_snapshot_dump(&sn); |
883 | qemu_printf("\n"); | |
f364ec65 WX |
884 | } |
885 | } | |
a8d8ecb7 HR |
886 | |
887 | if (info->has_format_specific) { | |
e1ce7d74 MA |
888 | qemu_printf("Format specific information:\n"); |
889 | bdrv_image_info_specific_dump(info->format_specific); | |
a8d8ecb7 | 890 | } |
f364ec65 | 891 | } |