qapi.c (f2687fdb7571a444b5af3509574b659d35ddd601) qapi.c (54aa3de72ea2aaa2e903e7e879a4f3dda515a00e)
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

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481 if (ds->has_idle_time_ns) {
482 ds->idle_time_ns = block_acct_idle_time_ns(stats);
483 }
484
485 ds->account_invalid = stats->account_invalid;
486 ds->account_failed = stats->account_failed;
487
488 while ((ts = block_acct_interval_next(stats, ts))) {
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

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481 if (ds->has_idle_time_ns) {
482 ds->idle_time_ns = block_acct_idle_time_ns(stats);
483 }
484
485 ds->account_invalid = stats->account_invalid;
486 ds->account_failed = stats->account_failed;
487
488 while ((ts = block_acct_interval_next(stats, ts))) {
489 BlockDeviceTimedStatsList *timed_stats =
490 g_malloc0(sizeof(*timed_stats));
491 BlockDeviceTimedStats *dev_stats = g_malloc0(sizeof(*dev_stats));
489 BlockDeviceTimedStats *dev_stats = g_malloc0(sizeof(*dev_stats));
492 timed_stats->next = ds->timed_stats;
493 timed_stats->value = dev_stats;
494 ds->timed_stats = timed_stats;
495
496 TimedAverage *rd = &ts->latency[BLOCK_ACCT_READ];
497 TimedAverage *wr = &ts->latency[BLOCK_ACCT_WRITE];
498 TimedAverage *fl = &ts->latency[BLOCK_ACCT_FLUSH];
499
500 dev_stats->interval_length = ts->interval_length;
501
502 dev_stats->min_rd_latency_ns = timed_average_min(rd);

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510 dev_stats->min_flush_latency_ns = timed_average_min(fl);
511 dev_stats->max_flush_latency_ns = timed_average_max(fl);
512 dev_stats->avg_flush_latency_ns = timed_average_avg(fl);
513
514 dev_stats->avg_rd_queue_depth =
515 block_acct_queue_depth(ts, BLOCK_ACCT_READ);
516 dev_stats->avg_wr_queue_depth =
517 block_acct_queue_depth(ts, BLOCK_ACCT_WRITE);
490
491 TimedAverage *rd = &ts->latency[BLOCK_ACCT_READ];
492 TimedAverage *wr = &ts->latency[BLOCK_ACCT_WRITE];
493 TimedAverage *fl = &ts->latency[BLOCK_ACCT_FLUSH];
494
495 dev_stats->interval_length = ts->interval_length;
496
497 dev_stats->min_rd_latency_ns = timed_average_min(rd);

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505 dev_stats->min_flush_latency_ns = timed_average_min(fl);
506 dev_stats->max_flush_latency_ns = timed_average_max(fl);
507 dev_stats->avg_flush_latency_ns = timed_average_avg(fl);
508
509 dev_stats->avg_rd_queue_depth =
510 block_acct_queue_depth(ts, BLOCK_ACCT_READ);
511 dev_stats->avg_wr_queue_depth =
512 block_acct_queue_depth(ts, BLOCK_ACCT_WRITE);
513
514 QAPI_LIST_PREPEND(ds->timed_stats, dev_stats);
518 }
519
520 bdrv_latency_histogram_stats(&stats->latency_histogram[BLOCK_ACCT_READ],
521 &ds->has_rd_latency_histogram,
522 &ds->rd_latency_histogram);
523 bdrv_latency_histogram_stats(&stats->latency_histogram[BLOCK_ACCT_WRITE],
524 &ds->has_wr_latency_histogram,
525 &ds->wr_latency_histogram);

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516
517 bdrv_latency_histogram_stats(&stats->latency_histogram[BLOCK_ACCT_READ],
518 &ds->has_rd_latency_histogram,
519 &ds->rd_latency_histogram);
520 bdrv_latency_histogram_stats(&stats->latency_histogram[BLOCK_ACCT_WRITE],
521 &ds->has_wr_latency_histogram,
522 &ds->wr_latency_histogram);

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