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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" |
a8d25326 | 26 | #include "qemu-common.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 KW |
44 | BlockDeviceInfo *bdrv_block_device_info(BlockBackend *blk, |
45 | BlockDriverState *bs, Error **errp) | |
c13163fb | 46 | { |
d5a8ee60 AG |
47 | ImageInfo **p_image_info; |
48 | BlockDriverState *bs0; | |
d470ad42 | 49 | BlockDeviceInfo *info; |
c13163fb | 50 | |
d470ad42 HR |
51 | if (!bs->drv) { |
52 | error_setg(errp, "Block device %s is ejected", bs->node_name); | |
53 | return NULL; | |
54 | } | |
55 | ||
f30c66ba HR |
56 | bdrv_refresh_filename(bs); |
57 | ||
d470ad42 | 58 | info = g_malloc0(sizeof(*info)); |
c13163fb BC |
59 | info->file = g_strdup(bs->filename); |
60 | info->ro = bs->read_only; | |
61 | info->drv = g_strdup(bs->drv->format_name); | |
62 | info->encrypted = bs->encrypted; | |
c01c214b | 63 | info->encryption_key_missing = false; |
c13163fb | 64 | |
9e193c5a KW |
65 | info->cache = g_new(BlockdevCacheInfo, 1); |
66 | *info->cache = (BlockdevCacheInfo) { | |
c83f9fba | 67 | .writeback = blk ? blk_enable_write_cache(blk) : true, |
9e193c5a KW |
68 | .direct = !!(bs->open_flags & BDRV_O_NOCACHE), |
69 | .no_flush = !!(bs->open_flags & BDRV_O_NO_FLUSH), | |
70 | }; | |
71 | ||
c13163fb BC |
72 | if (bs->node_name[0]) { |
73 | info->has_node_name = true; | |
74 | info->node_name = g_strdup(bs->node_name); | |
75 | } | |
76 | ||
77 | if (bs->backing_file[0]) { | |
78 | info->has_backing_file = true; | |
79 | info->backing_file = g_strdup(bs->backing_file); | |
80 | } | |
81 | ||
590a63d5 VSO |
82 | if (!QLIST_EMPTY(&bs->dirty_bitmaps)) { |
83 | info->has_dirty_bitmaps = true; | |
84 | info->dirty_bitmaps = bdrv_query_dirty_bitmaps(bs); | |
85 | } | |
86 | ||
465bee1d | 87 | info->detect_zeroes = bs->detect_zeroes; |
c13163fb | 88 | |
022cdc9f | 89 | if (blk && blk_get_public(blk)->throttle_group_member.throttle_state) { |
c13163fb | 90 | ThrottleConfig cfg; |
022cdc9f | 91 | BlockBackendPublic *blkp = blk_get_public(blk); |
76f4afb4 | 92 | |
022cdc9f | 93 | throttle_group_get_config(&blkp->throttle_group_member, &cfg); |
76f4afb4 | 94 | |
c13163fb BC |
95 | info->bps = cfg.buckets[THROTTLE_BPS_TOTAL].avg; |
96 | info->bps_rd = cfg.buckets[THROTTLE_BPS_READ].avg; | |
97 | info->bps_wr = cfg.buckets[THROTTLE_BPS_WRITE].avg; | |
98 | ||
99 | info->iops = cfg.buckets[THROTTLE_OPS_TOTAL].avg; | |
100 | info->iops_rd = cfg.buckets[THROTTLE_OPS_READ].avg; | |
101 | info->iops_wr = cfg.buckets[THROTTLE_OPS_WRITE].avg; | |
102 | ||
103 | info->has_bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; | |
104 | info->bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; | |
105 | info->has_bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; | |
106 | info->bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; | |
107 | info->has_bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; | |
108 | info->bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; | |
109 | ||
110 | info->has_iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; | |
111 | info->iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; | |
112 | info->has_iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; | |
113 | info->iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; | |
114 | info->has_iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; | |
115 | info->iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; | |
116 | ||
398befdf AG |
117 | info->has_bps_max_length = info->has_bps_max; |
118 | info->bps_max_length = | |
119 | cfg.buckets[THROTTLE_BPS_TOTAL].burst_length; | |
120 | info->has_bps_rd_max_length = info->has_bps_rd_max; | |
121 | info->bps_rd_max_length = | |
122 | cfg.buckets[THROTTLE_BPS_READ].burst_length; | |
123 | info->has_bps_wr_max_length = info->has_bps_wr_max; | |
124 | info->bps_wr_max_length = | |
125 | cfg.buckets[THROTTLE_BPS_WRITE].burst_length; | |
126 | ||
127 | info->has_iops_max_length = info->has_iops_max; | |
128 | info->iops_max_length = | |
129 | cfg.buckets[THROTTLE_OPS_TOTAL].burst_length; | |
130 | info->has_iops_rd_max_length = info->has_iops_rd_max; | |
131 | info->iops_rd_max_length = | |
132 | cfg.buckets[THROTTLE_OPS_READ].burst_length; | |
133 | info->has_iops_wr_max_length = info->has_iops_wr_max; | |
134 | info->iops_wr_max_length = | |
135 | cfg.buckets[THROTTLE_OPS_WRITE].burst_length; | |
136 | ||
c13163fb BC |
137 | info->has_iops_size = cfg.op_size; |
138 | info->iops_size = cfg.op_size; | |
b8fe1694 AG |
139 | |
140 | info->has_group = true; | |
022cdc9f MP |
141 | info->group = |
142 | g_strdup(throttle_group_get_name(&blkp->throttle_group_member)); | |
c13163fb BC |
143 | } |
144 | ||
e2462113 FR |
145 | info->write_threshold = bdrv_write_threshold_get(bs); |
146 | ||
d5a8ee60 AG |
147 | bs0 = bs; |
148 | p_image_info = &info->image; | |
d3c8c674 | 149 | info->backing_file_depth = 0; |
d5a8ee60 AG |
150 | while (1) { |
151 | Error *local_err = NULL; | |
152 | bdrv_query_image_info(bs0, p_image_info, &local_err); | |
153 | if (local_err) { | |
154 | error_propagate(errp, local_err); | |
155 | qapi_free_BlockDeviceInfo(info); | |
156 | return NULL; | |
157 | } | |
d3c8c674 | 158 | |
760e0063 | 159 | if (bs0->drv && bs0->backing) { |
d3c8c674 | 160 | info->backing_file_depth++; |
760e0063 | 161 | bs0 = bs0->backing->bs; |
d5a8ee60 AG |
162 | (*p_image_info)->has_backing_image = true; |
163 | p_image_info = &((*p_image_info)->backing_image); | |
164 | } else { | |
165 | break; | |
166 | } | |
d3c8c674 KW |
167 | |
168 | /* Skip automatically inserted nodes that the user isn't aware of for | |
169 | * query-block (blk != NULL), but not for query-named-block-nodes */ | |
8e8eb0a9 | 170 | while (blk && bs0->drv && bs0->implicit) { |
d3c8c674 | 171 | bs0 = backing_bs(bs0); |
8e8eb0a9 | 172 | assert(bs0); |
d3c8c674 | 173 | } |
d5a8ee60 AG |
174 | } |
175 | ||
c13163fb BC |
176 | return info; |
177 | } | |
178 | ||
fb0ed453 WX |
179 | /* |
180 | * Returns 0 on success, with *p_list either set to describe snapshot | |
181 | * information, or NULL because there are no snapshots. Returns -errno on | |
182 | * error, with *p_list untouched. | |
183 | */ | |
184 | int bdrv_query_snapshot_info_list(BlockDriverState *bs, | |
185 | SnapshotInfoList **p_list, | |
186 | Error **errp) | |
f364ec65 WX |
187 | { |
188 | int i, sn_count; | |
189 | QEMUSnapshotInfo *sn_tab = NULL; | |
fb0ed453 WX |
190 | SnapshotInfoList *info_list, *cur_item = NULL, *head = NULL; |
191 | SnapshotInfo *info; | |
192 | ||
f364ec65 | 193 | sn_count = bdrv_snapshot_list(bs, &sn_tab); |
fb0ed453 WX |
194 | if (sn_count < 0) { |
195 | const char *dev = bdrv_get_device_name(bs); | |
196 | switch (sn_count) { | |
197 | case -ENOMEDIUM: | |
198 | error_setg(errp, "Device '%s' is not inserted", dev); | |
199 | break; | |
200 | case -ENOTSUP: | |
201 | error_setg(errp, | |
202 | "Device '%s' does not support internal snapshots", | |
203 | dev); | |
204 | break; | |
205 | default: | |
206 | error_setg_errno(errp, -sn_count, | |
207 | "Can't list snapshots of device '%s'", dev); | |
208 | break; | |
209 | } | |
210 | return sn_count; | |
211 | } | |
f364ec65 WX |
212 | |
213 | for (i = 0; i < sn_count; i++) { | |
fb0ed453 WX |
214 | info = g_new0(SnapshotInfo, 1); |
215 | info->id = g_strdup(sn_tab[i].id_str); | |
216 | info->name = g_strdup(sn_tab[i].name); | |
217 | info->vm_state_size = sn_tab[i].vm_state_size; | |
218 | info->date_sec = sn_tab[i].date_sec; | |
219 | info->date_nsec = sn_tab[i].date_nsec; | |
220 | info->vm_clock_sec = sn_tab[i].vm_clock_nsec / 1000000000; | |
221 | info->vm_clock_nsec = sn_tab[i].vm_clock_nsec % 1000000000; | |
f364ec65 | 222 | |
fb0ed453 WX |
223 | info_list = g_new0(SnapshotInfoList, 1); |
224 | info_list->value = info; | |
f364ec65 WX |
225 | |
226 | /* XXX: waiting for the qapi to support qemu-queue.h types */ | |
227 | if (!cur_item) { | |
fb0ed453 | 228 | head = cur_item = info_list; |
f364ec65 WX |
229 | } else { |
230 | cur_item->next = info_list; | |
231 | cur_item = info_list; | |
232 | } | |
233 | ||
234 | } | |
235 | ||
236 | g_free(sn_tab); | |
fb0ed453 WX |
237 | *p_list = head; |
238 | return 0; | |
f364ec65 WX |
239 | } |
240 | ||
43526ec8 WX |
241 | /** |
242 | * bdrv_query_image_info: | |
243 | * @bs: block device to examine | |
244 | * @p_info: location to store image information | |
245 | * @errp: location to store error information | |
246 | * | |
553a7e87 WX |
247 | * Store "flat" image information in @p_info. |
248 | * | |
249 | * "Flat" means it does *not* query backing image information, | |
250 | * i.e. (*pinfo)->has_backing_image will be set to false and | |
251 | * (*pinfo)->backing_image to NULL even when the image does in fact have | |
252 | * a backing image. | |
253 | * | |
43526ec8 WX |
254 | * @p_info will be set only on success. On error, store error in @errp. |
255 | */ | |
256 | void bdrv_query_image_info(BlockDriverState *bs, | |
257 | ImageInfo **p_info, | |
258 | Error **errp) | |
f364ec65 | 259 | { |
52bf1e72 | 260 | int64_t size; |
43526ec8 | 261 | const char *backing_filename; |
f364ec65 | 262 | BlockDriverInfo bdi; |
43526ec8 WX |
263 | int ret; |
264 | Error *err = NULL; | |
52bf1e72 | 265 | ImageInfo *info; |
f364ec65 | 266 | |
1963f8d5 PB |
267 | aio_context_acquire(bdrv_get_aio_context(bs)); |
268 | ||
52bf1e72 MA |
269 | size = bdrv_getlength(bs); |
270 | if (size < 0) { | |
9adceb02 FZ |
271 | error_setg_errno(errp, -size, "Can't get image size '%s'", |
272 | bs->exact_filename); | |
1963f8d5 | 273 | goto out; |
52bf1e72 | 274 | } |
f364ec65 | 275 | |
f30c66ba HR |
276 | bdrv_refresh_filename(bs); |
277 | ||
52bf1e72 | 278 | info = g_new0(ImageInfo, 1); |
43526ec8 | 279 | info->filename = g_strdup(bs->filename); |
f364ec65 | 280 | info->format = g_strdup(bdrv_get_format_name(bs)); |
52bf1e72 | 281 | info->virtual_size = size; |
f364ec65 WX |
282 | info->actual_size = bdrv_get_allocated_file_size(bs); |
283 | info->has_actual_size = info->actual_size >= 0; | |
284 | if (bdrv_is_encrypted(bs)) { | |
285 | info->encrypted = true; | |
286 | info->has_encrypted = true; | |
287 | } | |
288 | if (bdrv_get_info(bs, &bdi) >= 0) { | |
289 | if (bdi.cluster_size != 0) { | |
290 | info->cluster_size = bdi.cluster_size; | |
291 | info->has_cluster_size = true; | |
292 | } | |
293 | info->dirty_flag = bdi.is_dirty; | |
294 | info->has_dirty_flag = true; | |
295 | } | |
1bf6e9ca AS |
296 | info->format_specific = bdrv_get_specific_info(bs, &err); |
297 | if (err) { | |
298 | error_propagate(errp, err); | |
299 | qapi_free_ImageInfo(info); | |
300 | goto out; | |
301 | } | |
eae041fe HR |
302 | info->has_format_specific = info->format_specific != NULL; |
303 | ||
43526ec8 | 304 | backing_filename = bs->backing_file; |
f364ec65 | 305 | if (backing_filename[0] != '\0') { |
6b6833c1 | 306 | char *backing_filename2; |
f364ec65 WX |
307 | info->backing_filename = g_strdup(backing_filename); |
308 | info->has_backing_filename = true; | |
6b6833c1 | 309 | backing_filename2 = bdrv_get_full_backing_filename(bs, NULL); |
f364ec65 | 310 | |
12dcb1c0 JS |
311 | /* Always report the full_backing_filename if present, even if it's the |
312 | * same as backing_filename. That they are same is useful info. */ | |
313 | if (backing_filename2) { | |
314 | info->full_backing_filename = g_strdup(backing_filename2); | |
f364ec65 WX |
315 | info->has_full_backing_filename = true; |
316 | } | |
317 | ||
318 | if (bs->backing_format[0]) { | |
319 | info->backing_filename_format = g_strdup(bs->backing_format); | |
320 | info->has_backing_filename_format = true; | |
321 | } | |
564d64bd | 322 | g_free(backing_filename2); |
f364ec65 | 323 | } |
43526ec8 WX |
324 | |
325 | ret = bdrv_query_snapshot_info_list(bs, &info->snapshots, &err); | |
326 | switch (ret) { | |
327 | case 0: | |
328 | if (info->snapshots) { | |
329 | info->has_snapshots = true; | |
330 | } | |
331 | break; | |
332 | /* recoverable error */ | |
333 | case -ENOMEDIUM: | |
334 | case -ENOTSUP: | |
335 | error_free(err); | |
336 | break; | |
337 | default: | |
338 | error_propagate(errp, err); | |
339 | qapi_free_ImageInfo(info); | |
1963f8d5 | 340 | goto out; |
43526ec8 WX |
341 | } |
342 | ||
343 | *p_info = info; | |
1963f8d5 PB |
344 | |
345 | out: | |
346 | aio_context_release(bdrv_get_aio_context(bs)); | |
f364ec65 WX |
347 | } |
348 | ||
553a7e87 | 349 | /* @p_info will be set only on success. */ |
d829a211 MA |
350 | static void bdrv_query_info(BlockBackend *blk, BlockInfo **p_info, |
351 | Error **errp) | |
f364ec65 WX |
352 | { |
353 | BlockInfo *info = g_malloc0(sizeof(*info)); | |
d829a211 | 354 | BlockDriverState *bs = blk_bs(blk); |
46eade7b KW |
355 | char *qdev; |
356 | ||
d3c8c674 KW |
357 | /* Skip automatically inserted nodes that the user isn't aware of */ |
358 | while (bs && bs->drv && bs->implicit) { | |
359 | bs = backing_bs(bs); | |
360 | } | |
361 | ||
d829a211 | 362 | info->device = g_strdup(blk_name(blk)); |
f364ec65 | 363 | info->type = g_strdup("unknown"); |
a7f53e26 MA |
364 | info->locked = blk_dev_is_medium_locked(blk); |
365 | info->removable = blk_dev_has_removable_media(blk); | |
f364ec65 | 366 | |
46eade7b KW |
367 | qdev = blk_get_attached_dev_id(blk); |
368 | if (qdev && *qdev) { | |
369 | info->has_qdev = true; | |
370 | info->qdev = qdev; | |
371 | } else { | |
372 | g_free(qdev); | |
373 | } | |
374 | ||
327032ce | 375 | if (blk_dev_has_tray(blk)) { |
f364ec65 | 376 | info->has_tray_open = true; |
a7f53e26 | 377 | info->tray_open = blk_dev_is_tray_open(blk); |
f364ec65 WX |
378 | } |
379 | ||
373340b2 | 380 | if (blk_iostatus_is_enabled(blk)) { |
f364ec65 | 381 | info->has_io_status = true; |
373340b2 | 382 | info->io_status = blk_iostatus(blk); |
f364ec65 WX |
383 | } |
384 | ||
5433c24f | 385 | if (bs && !QLIST_EMPTY(&bs->dirty_bitmaps)) { |
21b56835 FZ |
386 | info->has_dirty_bitmaps = true; |
387 | info->dirty_bitmaps = bdrv_query_dirty_bitmaps(bs); | |
388 | } | |
389 | ||
5433c24f | 390 | if (bs && bs->drv) { |
f364ec65 | 391 | info->has_inserted = true; |
c83f9fba | 392 | info->inserted = bdrv_block_device_info(blk, bs, errp); |
d5a8ee60 AG |
393 | if (info->inserted == NULL) { |
394 | goto err; | |
553a7e87 | 395 | } |
f364ec65 | 396 | } |
553a7e87 WX |
397 | |
398 | *p_info = info; | |
399 | return; | |
400 | ||
401 | err: | |
402 | qapi_free_BlockInfo(info); | |
f364ec65 WX |
403 | } |
404 | ||
7e5c776d VSO |
405 | static uint64List *uint64_list(uint64_t *list, int size) |
406 | { | |
407 | int i; | |
408 | uint64List *out_list = NULL; | |
409 | uint64List **pout_list = &out_list; | |
410 | ||
411 | for (i = 0; i < size; i++) { | |
412 | uint64List *entry = g_new(uint64List, 1); | |
413 | entry->value = list[i]; | |
414 | *pout_list = entry; | |
415 | pout_list = &entry->next; | |
416 | } | |
417 | ||
418 | *pout_list = NULL; | |
419 | ||
420 | return out_list; | |
421 | } | |
422 | ||
423 | static void bdrv_latency_histogram_stats(BlockLatencyHistogram *hist, | |
424 | bool *not_null, | |
425 | BlockLatencyHistogramInfo **info) | |
426 | { | |
427 | *not_null = hist->bins != NULL; | |
428 | if (*not_null) { | |
429 | *info = g_new0(BlockLatencyHistogramInfo, 1); | |
430 | ||
431 | (*info)->boundaries = uint64_list(hist->boundaries, hist->nbins - 1); | |
432 | (*info)->bins = uint64_list(hist->bins, hist->nbins); | |
433 | } | |
434 | } | |
435 | ||
54302156 | 436 | static void bdrv_query_blk_stats(BlockDeviceStats *ds, BlockBackend *blk) |
2b77e60a KW |
437 | { |
438 | BlockAcctStats *stats = blk_get_stats(blk); | |
439 | BlockAcctTimedStats *ts = NULL; | |
440 | ||
54302156 HR |
441 | ds->rd_bytes = stats->nr_bytes[BLOCK_ACCT_READ]; |
442 | ds->wr_bytes = stats->nr_bytes[BLOCK_ACCT_WRITE]; | |
443 | ds->rd_operations = stats->nr_ops[BLOCK_ACCT_READ]; | |
444 | ds->wr_operations = stats->nr_ops[BLOCK_ACCT_WRITE]; | |
2b77e60a | 445 | |
54302156 HR |
446 | ds->failed_rd_operations = stats->failed_ops[BLOCK_ACCT_READ]; |
447 | ds->failed_wr_operations = stats->failed_ops[BLOCK_ACCT_WRITE]; | |
448 | ds->failed_flush_operations = stats->failed_ops[BLOCK_ACCT_FLUSH]; | |
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 KW |
453 | stats->invalid_ops[BLOCK_ACCT_FLUSH]; |
454 | ||
54302156 HR |
455 | ds->rd_merged = stats->merged[BLOCK_ACCT_READ]; |
456 | ds->wr_merged = stats->merged[BLOCK_ACCT_WRITE]; | |
457 | ds->flush_operations = stats->nr_ops[BLOCK_ACCT_FLUSH]; | |
458 | ds->wr_total_time_ns = stats->total_time_ns[BLOCK_ACCT_WRITE]; | |
459 | ds->rd_total_time_ns = stats->total_time_ns[BLOCK_ACCT_READ]; | |
460 | ds->flush_total_time_ns = stats->total_time_ns[BLOCK_ACCT_FLUSH]; | |
2b77e60a | 461 | |
54302156 HR |
462 | ds->has_idle_time_ns = stats->last_access_time_ns > 0; |
463 | if (ds->has_idle_time_ns) { | |
464 | ds->idle_time_ns = block_acct_idle_time_ns(stats); | |
2b77e60a KW |
465 | } |
466 | ||
54302156 HR |
467 | ds->account_invalid = stats->account_invalid; |
468 | ds->account_failed = stats->account_failed; | |
2b77e60a KW |
469 | |
470 | while ((ts = block_acct_interval_next(stats, ts))) { | |
471 | BlockDeviceTimedStatsList *timed_stats = | |
472 | g_malloc0(sizeof(*timed_stats)); | |
473 | BlockDeviceTimedStats *dev_stats = g_malloc0(sizeof(*dev_stats)); | |
54302156 | 474 | timed_stats->next = ds->timed_stats; |
2b77e60a | 475 | timed_stats->value = dev_stats; |
54302156 | 476 | ds->timed_stats = timed_stats; |
2b77e60a KW |
477 | |
478 | TimedAverage *rd = &ts->latency[BLOCK_ACCT_READ]; | |
479 | TimedAverage *wr = &ts->latency[BLOCK_ACCT_WRITE]; | |
480 | TimedAverage *fl = &ts->latency[BLOCK_ACCT_FLUSH]; | |
481 | ||
482 | dev_stats->interval_length = ts->interval_length; | |
483 | ||
484 | dev_stats->min_rd_latency_ns = timed_average_min(rd); | |
485 | dev_stats->max_rd_latency_ns = timed_average_max(rd); | |
486 | dev_stats->avg_rd_latency_ns = timed_average_avg(rd); | |
487 | ||
488 | dev_stats->min_wr_latency_ns = timed_average_min(wr); | |
489 | dev_stats->max_wr_latency_ns = timed_average_max(wr); | |
490 | dev_stats->avg_wr_latency_ns = timed_average_avg(wr); | |
491 | ||
492 | dev_stats->min_flush_latency_ns = timed_average_min(fl); | |
493 | dev_stats->max_flush_latency_ns = timed_average_max(fl); | |
494 | dev_stats->avg_flush_latency_ns = timed_average_avg(fl); | |
495 | ||
496 | dev_stats->avg_rd_queue_depth = | |
497 | block_acct_queue_depth(ts, BLOCK_ACCT_READ); | |
498 | dev_stats->avg_wr_queue_depth = | |
499 | block_acct_queue_depth(ts, BLOCK_ACCT_WRITE); | |
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 | { |
20a6d768 DL |
516 | BlockStats *s = NULL; |
517 | ||
518 | s = g_malloc0(sizeof(*s)); | |
519 | s->stats = g_malloc0(sizeof(*s->stats)); | |
520 | ||
521 | if (!bs) { | |
522 | return s; | |
523 | } | |
524 | ||
d3c8c674 KW |
525 | /* Skip automatically inserted nodes that the user isn't aware of in |
526 | * a BlockBackend-level command. Stay at the exact node for a node-level | |
527 | * command. */ | |
528 | while (blk_level && bs->drv && bs->implicit) { | |
529 | bs = backing_bs(bs); | |
530 | assert(bs); | |
531 | } | |
532 | ||
4875a779 FZ |
533 | if (bdrv_get_node_name(bs)[0]) { |
534 | s->has_node_name = true; | |
535 | s->node_name = g_strdup(bdrv_get_node_name(bs)); | |
536 | } | |
537 | ||
f7946da2 | 538 | s->stats->wr_highest_offset = stat64_get(&bs->wr_highest_offset); |
53d8f9d8 | 539 | |
f364ec65 WX |
540 | if (bs->file) { |
541 | s->has_parent = true; | |
d3c8c674 | 542 | s->parent = bdrv_query_bds_stats(bs->file->bs, blk_level); |
f364ec65 WX |
543 | } |
544 | ||
d3c8c674 | 545 | if (blk_level && bs->backing) { |
c8059b97 | 546 | s->has_backing = true; |
d3c8c674 | 547 | s->backing = bdrv_query_bds_stats(bs->backing->bs, blk_level); |
c8059b97 FZ |
548 | } |
549 | ||
20a6d768 | 550 | return s; |
b07363a1 KW |
551 | } |
552 | ||
f364ec65 WX |
553 | BlockInfoList *qmp_query_block(Error **errp) |
554 | { | |
555 | BlockInfoList *head = NULL, **p_next = &head; | |
d829a211 | 556 | BlockBackend *blk; |
553a7e87 | 557 | Error *local_err = NULL; |
f364ec65 | 558 | |
d5b68844 KW |
559 | for (blk = blk_all_next(NULL); blk; blk = blk_all_next(blk)) { |
560 | BlockInfoList *info; | |
561 | ||
ec18b0a9 | 562 | if (!*blk_name(blk) && !blk_get_attached_dev(blk)) { |
d5b68844 KW |
563 | continue; |
564 | } | |
565 | ||
566 | info = g_malloc0(sizeof(*info)); | |
d829a211 | 567 | bdrv_query_info(blk, &info->value, &local_err); |
84d18f06 | 568 | if (local_err) { |
553a7e87 | 569 | error_propagate(errp, local_err); |
903c341d MA |
570 | g_free(info); |
571 | qapi_free_BlockInfoList(head); | |
572 | return NULL; | |
553a7e87 | 573 | } |
f364ec65 WX |
574 | |
575 | *p_next = info; | |
576 | p_next = &info->next; | |
577 | } | |
578 | ||
579 | return head; | |
580 | } | |
581 | ||
f71eaa74 FZ |
582 | BlockStatsList *qmp_query_blockstats(bool has_query_nodes, |
583 | bool query_nodes, | |
584 | Error **errp) | |
f364ec65 WX |
585 | { |
586 | BlockStatsList *head = NULL, **p_next = &head; | |
a6baa608 DL |
587 | BlockBackend *blk; |
588 | BlockDriverState *bs; | |
f364ec65 | 589 | |
f71eaa74 | 590 | /* Just to be safe if query_nodes is not always initialized */ |
a6baa608 DL |
591 | if (has_query_nodes && query_nodes) { |
592 | for (bs = bdrv_next_node(NULL); bs; bs = bdrv_next_node(bs)) { | |
593 | BlockStatsList *info = g_malloc0(sizeof(*info)); | |
594 | AioContext *ctx = bdrv_get_aio_context(bs); | |
13344f3a | 595 | |
a6baa608 DL |
596 | aio_context_acquire(ctx); |
597 | info->value = bdrv_query_bds_stats(bs, false); | |
598 | aio_context_release(ctx); | |
f364ec65 | 599 | |
a6baa608 DL |
600 | *p_next = info; |
601 | p_next = &info->next; | |
602 | } | |
603 | } else { | |
567dcb31 | 604 | for (blk = blk_all_next(NULL); blk; blk = blk_all_next(blk)) { |
f62492bb | 605 | BlockStatsList *info; |
a6baa608 DL |
606 | AioContext *ctx = blk_get_aio_context(blk); |
607 | BlockStats *s; | |
5a9cb5a9 | 608 | char *qdev; |
a6baa608 | 609 | |
567dcb31 KW |
610 | if (!*blk_name(blk) && !blk_get_attached_dev(blk)) { |
611 | continue; | |
612 | } | |
613 | ||
a6baa608 DL |
614 | aio_context_acquire(ctx); |
615 | s = bdrv_query_bds_stats(blk_bs(blk), true); | |
616 | s->has_device = true; | |
617 | s->device = g_strdup(blk_name(blk)); | |
5a9cb5a9 KW |
618 | |
619 | qdev = blk_get_attached_dev_id(blk); | |
620 | if (qdev && *qdev) { | |
621 | s->has_qdev = true; | |
622 | s->qdev = qdev; | |
623 | } else { | |
624 | g_free(qdev); | |
625 | } | |
626 | ||
a6baa608 DL |
627 | bdrv_query_blk_stats(s->stats, blk); |
628 | aio_context_release(ctx); | |
629 | ||
f62492bb | 630 | info = g_malloc0(sizeof(*info)); |
a6baa608 DL |
631 | info->value = s; |
632 | *p_next = info; | |
633 | p_next = &info->next; | |
634 | } | |
f364ec65 WX |
635 | } |
636 | ||
637 | return head; | |
638 | } | |
639 | ||
e1ce7d74 | 640 | void bdrv_snapshot_dump(QEMUSnapshotInfo *sn) |
f364ec65 | 641 | { |
de38b500 | 642 | char date_buf[128], clock_buf[128]; |
f364ec65 WX |
643 | struct tm tm; |
644 | time_t ti; | |
645 | int64_t secs; | |
de38b500 | 646 | char *sizing = NULL; |
f364ec65 WX |
647 | |
648 | if (!sn) { | |
e1ce7d74 MA |
649 | qemu_printf("%-10s%-20s%7s%20s%15s", |
650 | "ID", "TAG", "VM SIZE", "DATE", "VM CLOCK"); | |
f364ec65 WX |
651 | } else { |
652 | ti = sn->date_sec; | |
653 | localtime_r(&ti, &tm); | |
654 | strftime(date_buf, sizeof(date_buf), | |
655 | "%Y-%m-%d %H:%M:%S", &tm); | |
656 | secs = sn->vm_clock_nsec / 1000000000; | |
657 | snprintf(clock_buf, sizeof(clock_buf), | |
658 | "%02d:%02d:%02d.%03d", | |
659 | (int)(secs / 3600), | |
660 | (int)((secs / 60) % 60), | |
661 | (int)(secs % 60), | |
662 | (int)((sn->vm_clock_nsec / 1000000) % 1000)); | |
de38b500 | 663 | sizing = size_to_str(sn->vm_state_size); |
e1ce7d74 MA |
664 | qemu_printf("%-10s%-20s%7s%20s%15s", |
665 | sn->id_str, sn->name, | |
de38b500 | 666 | sizing, |
e1ce7d74 MA |
667 | date_buf, |
668 | clock_buf); | |
f364ec65 | 669 | } |
de38b500 | 670 | g_free(sizing); |
f364ec65 WX |
671 | } |
672 | ||
e1ce7d74 MA |
673 | static void dump_qdict(int indentation, QDict *dict); |
674 | static void dump_qlist(int indentation, QList *list); | |
a8d8ecb7 | 675 | |
e1ce7d74 | 676 | static void dump_qobject(int comp_indent, QObject *obj) |
a8d8ecb7 HR |
677 | { |
678 | switch (qobject_type(obj)) { | |
01b2ffce | 679 | case QTYPE_QNUM: { |
7dc847eb | 680 | QNum *value = qobject_to(QNum, obj); |
01b2ffce | 681 | char *tmp = qnum_to_string(value); |
e1ce7d74 | 682 | qemu_printf("%s", tmp); |
01b2ffce | 683 | g_free(tmp); |
a8d8ecb7 HR |
684 | break; |
685 | } | |
686 | case QTYPE_QSTRING: { | |
7dc847eb | 687 | QString *value = qobject_to(QString, obj); |
e1ce7d74 | 688 | qemu_printf("%s", qstring_get_str(value)); |
a8d8ecb7 HR |
689 | break; |
690 | } | |
691 | case QTYPE_QDICT: { | |
7dc847eb | 692 | QDict *value = qobject_to(QDict, obj); |
e1ce7d74 | 693 | dump_qdict(comp_indent, value); |
a8d8ecb7 HR |
694 | break; |
695 | } | |
696 | case QTYPE_QLIST: { | |
7dc847eb | 697 | QList *value = qobject_to(QList, obj); |
e1ce7d74 | 698 | dump_qlist(comp_indent, value); |
a8d8ecb7 HR |
699 | break; |
700 | } | |
a8d8ecb7 | 701 | case QTYPE_QBOOL: { |
7dc847eb | 702 | QBool *value = qobject_to(QBool, obj); |
e1ce7d74 | 703 | qemu_printf("%s", qbool_get_bool(value) ? "true" : "false"); |
a8d8ecb7 HR |
704 | break; |
705 | } | |
a8d8ecb7 HR |
706 | default: |
707 | abort(); | |
708 | } | |
709 | } | |
710 | ||
e1ce7d74 | 711 | static void dump_qlist(int indentation, QList *list) |
a8d8ecb7 HR |
712 | { |
713 | const QListEntry *entry; | |
714 | int i = 0; | |
715 | ||
716 | for (entry = qlist_first(list); entry; entry = qlist_next(entry), i++) { | |
1310a3d3 | 717 | QType type = qobject_type(entry->value); |
a8d8ecb7 | 718 | bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); |
e1ce7d74 MA |
719 | qemu_printf("%*s[%i]:%c", indentation * 4, "", i, |
720 | composite ? '\n' : ' '); | |
721 | dump_qobject(indentation + 1, entry->value); | |
a8d8ecb7 | 722 | if (!composite) { |
e1ce7d74 | 723 | qemu_printf("\n"); |
a8d8ecb7 HR |
724 | } |
725 | } | |
726 | } | |
727 | ||
e1ce7d74 | 728 | static void dump_qdict(int indentation, QDict *dict) |
a8d8ecb7 HR |
729 | { |
730 | const QDictEntry *entry; | |
731 | ||
732 | for (entry = qdict_first(dict); entry; entry = qdict_next(dict, entry)) { | |
1310a3d3 | 733 | QType type = qobject_type(entry->value); |
a8d8ecb7 | 734 | bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); |
5eda6227 | 735 | char *key = g_malloc(strlen(entry->key) + 1); |
a8d8ecb7 HR |
736 | int i; |
737 | ||
738 | /* replace dashes with spaces in key (variable) names */ | |
739 | for (i = 0; entry->key[i]; i++) { | |
740 | key[i] = entry->key[i] == '-' ? ' ' : entry->key[i]; | |
741 | } | |
742 | key[i] = 0; | |
e1ce7d74 MA |
743 | qemu_printf("%*s%s:%c", indentation * 4, "", key, |
744 | composite ? '\n' : ' '); | |
745 | dump_qobject(indentation + 1, entry->value); | |
a8d8ecb7 | 746 | if (!composite) { |
e1ce7d74 | 747 | qemu_printf("\n"); |
a8d8ecb7 | 748 | } |
5eda6227 | 749 | g_free(key); |
a8d8ecb7 HR |
750 | } |
751 | } | |
752 | ||
e1ce7d74 | 753 | void bdrv_image_info_specific_dump(ImageInfoSpecific *info_spec) |
a8d8ecb7 | 754 | { |
a8d8ecb7 | 755 | QObject *obj, *data; |
7d5e199a | 756 | Visitor *v = qobject_output_visitor_new(&obj); |
a8d8ecb7 | 757 | |
3b098d56 EB |
758 | visit_type_ImageInfoSpecific(v, NULL, &info_spec, &error_abort); |
759 | visit_complete(v, &obj); | |
7dc847eb | 760 | data = qdict_get(qobject_to(QDict, obj), "data"); |
e1ce7d74 | 761 | dump_qobject(1, data); |
cb3e7f08 | 762 | qobject_unref(obj); |
3b098d56 | 763 | visit_free(v); |
a8d8ecb7 HR |
764 | } |
765 | ||
e1ce7d74 | 766 | void bdrv_image_info_dump(ImageInfo *info) |
f364ec65 | 767 | { |
de38b500 | 768 | char *size_buf, *dsize_buf; |
f364ec65 | 769 | if (!info->has_actual_size) { |
de38b500 | 770 | dsize_buf = g_strdup("unavailable"); |
f364ec65 | 771 | } else { |
de38b500 | 772 | dsize_buf = size_to_str(info->actual_size); |
f364ec65 | 773 | } |
de38b500 | 774 | size_buf = size_to_str(info->virtual_size); |
e1ce7d74 MA |
775 | qemu_printf("image: %s\n" |
776 | "file format: %s\n" | |
777 | "virtual size: %s (%" PRId64 " bytes)\n" | |
778 | "disk size: %s\n", | |
779 | info->filename, info->format, size_buf, | |
780 | info->virtual_size, | |
781 | dsize_buf); | |
de38b500 EB |
782 | g_free(size_buf); |
783 | g_free(dsize_buf); | |
f364ec65 WX |
784 | |
785 | if (info->has_encrypted && info->encrypted) { | |
e1ce7d74 | 786 | qemu_printf("encrypted: yes\n"); |
f364ec65 WX |
787 | } |
788 | ||
789 | if (info->has_cluster_size) { | |
e1ce7d74 MA |
790 | qemu_printf("cluster_size: %" PRId64 "\n", |
791 | info->cluster_size); | |
f364ec65 WX |
792 | } |
793 | ||
794 | if (info->has_dirty_flag && info->dirty_flag) { | |
e1ce7d74 | 795 | qemu_printf("cleanly shut down: no\n"); |
f364ec65 WX |
796 | } |
797 | ||
798 | if (info->has_backing_filename) { | |
e1ce7d74 | 799 | qemu_printf("backing file: %s", info->backing_filename); |
5c9d9ca5 | 800 | if (!info->has_full_backing_filename) { |
e1ce7d74 | 801 | qemu_printf(" (cannot determine actual path)"); |
5c9d9ca5 JS |
802 | } else if (strcmp(info->backing_filename, |
803 | info->full_backing_filename) != 0) { | |
e1ce7d74 | 804 | qemu_printf(" (actual path: %s)", info->full_backing_filename); |
f364ec65 | 805 | } |
e1ce7d74 | 806 | qemu_printf("\n"); |
f364ec65 | 807 | if (info->has_backing_filename_format) { |
e1ce7d74 MA |
808 | qemu_printf("backing file format: %s\n", |
809 | info->backing_filename_format); | |
f364ec65 WX |
810 | } |
811 | } | |
812 | ||
813 | if (info->has_snapshots) { | |
814 | SnapshotInfoList *elem; | |
f364ec65 | 815 | |
e1ce7d74 MA |
816 | qemu_printf("Snapshot list:\n"); |
817 | bdrv_snapshot_dump(NULL); | |
818 | qemu_printf("\n"); | |
f364ec65 WX |
819 | |
820 | /* Ideally bdrv_snapshot_dump() would operate on SnapshotInfoList but | |
821 | * we convert to the block layer's native QEMUSnapshotInfo for now. | |
822 | */ | |
823 | for (elem = info->snapshots; elem; elem = elem->next) { | |
824 | QEMUSnapshotInfo sn = { | |
825 | .vm_state_size = elem->value->vm_state_size, | |
826 | .date_sec = elem->value->date_sec, | |
827 | .date_nsec = elem->value->date_nsec, | |
828 | .vm_clock_nsec = elem->value->vm_clock_sec * 1000000000ULL + | |
829 | elem->value->vm_clock_nsec, | |
830 | }; | |
831 | ||
832 | pstrcpy(sn.id_str, sizeof(sn.id_str), elem->value->id); | |
833 | pstrcpy(sn.name, sizeof(sn.name), elem->value->name); | |
e1ce7d74 MA |
834 | bdrv_snapshot_dump(&sn); |
835 | qemu_printf("\n"); | |
f364ec65 WX |
836 | } |
837 | } | |
a8d8ecb7 HR |
838 | |
839 | if (info->has_format_specific) { | |
e1ce7d74 MA |
840 | qemu_printf("Format specific information:\n"); |
841 | bdrv_image_info_specific_dump(info->format_specific); | |
a8d8ecb7 | 842 | } |
f364ec65 | 843 | } |