static void bdrv_query_bds_stats(BlockStats *s, const BlockDriverState *bs, bool query_backing) { if (bdrv_get_node_name(bs)[0]) { s->has_node_name = true; s->node_name = g_strdup(bdrv_get_node_name(bs)); } s->stats->wr_highest_offset = bs->wr_highest_offset; if (bs->file) { s->has_parent = true; s->parent = bdrv_query_stats(NULL, bs->file->bs, query_backing); } if (query_backing && bs->backing) { s->has_backing = true; s->backing = bdrv_query_stats(NULL, bs->backing->bs, query_backing); } }
static char *print_drive(void *ptr) { const char *name; name = blk_name(ptr); if (!*name) { BlockDriverState *bs = blk_bs(ptr); if (bs) { name = bdrv_get_node_name(bs); } } return g_strdup(name); }
static BlockStats *bdrv_query_bds_stats(BlockDriverState *bs, bool blk_level) { BlockStats *s = NULL; s = g_malloc0(sizeof(*s)); s->stats = g_malloc0(sizeof(*s->stats)); if (!bs) { return s; } /* Skip automatically inserted nodes that the user isn't aware of in * a BlockBackend-level command. Stay at the exact node for a node-level * command. */ while (blk_level && bs->drv && bs->implicit) { bs = backing_bs(bs); assert(bs); } if (bdrv_get_node_name(bs)[0]) { s->has_node_name = true; s->node_name = g_strdup(bdrv_get_node_name(bs)); } s->stats->wr_highest_offset = stat64_get(&bs->wr_highest_offset); if (bs->file) { s->has_parent = true; s->parent = bdrv_query_bds_stats(bs->file->bs, blk_level); } if (blk_level && bs->backing) { s->has_backing = true; s->backing = bdrv_query_bds_stats(bs->backing->bs, blk_level); } return s; }
void qdev_prop_set_drive(DeviceState *dev, const char *name, BlockBackend *value, Error **errp) { const char *ref = ""; if (value) { ref = blk_name(value); if (!*ref) { BlockDriverState *bs = blk_bs(value); if (bs) { ref = bdrv_get_node_name(bs); } } } object_property_set_str(OBJECT(dev), ref, name, errp); }
static BlockStats *bdrv_query_stats(const BlockDriverState *bs, bool query_backing) { BlockStats *s; s = g_malloc0(sizeof(*s)); if (bdrv_get_device_name(bs)[0]) { s->has_device = true; s->device = g_strdup(bdrv_get_device_name(bs)); } if (bdrv_get_node_name(bs)[0]) { s->has_node_name = true; s->node_name = g_strdup(bdrv_get_node_name(bs)); } s->stats = g_malloc0(sizeof(*s->stats)); if (bs->blk) { BlockAcctStats *stats = blk_get_stats(bs->blk); BlockAcctTimedStats *ts = NULL; s->stats->rd_bytes = stats->nr_bytes[BLOCK_ACCT_READ]; s->stats->wr_bytes = stats->nr_bytes[BLOCK_ACCT_WRITE]; s->stats->rd_operations = stats->nr_ops[BLOCK_ACCT_READ]; s->stats->wr_operations = stats->nr_ops[BLOCK_ACCT_WRITE]; s->stats->failed_rd_operations = stats->failed_ops[BLOCK_ACCT_READ]; s->stats->failed_wr_operations = stats->failed_ops[BLOCK_ACCT_WRITE]; s->stats->failed_flush_operations = stats->failed_ops[BLOCK_ACCT_FLUSH]; s->stats->invalid_rd_operations = stats->invalid_ops[BLOCK_ACCT_READ]; s->stats->invalid_wr_operations = stats->invalid_ops[BLOCK_ACCT_WRITE]; s->stats->invalid_flush_operations = stats->invalid_ops[BLOCK_ACCT_FLUSH]; s->stats->rd_merged = stats->merged[BLOCK_ACCT_READ]; s->stats->wr_merged = stats->merged[BLOCK_ACCT_WRITE]; s->stats->flush_operations = stats->nr_ops[BLOCK_ACCT_FLUSH]; s->stats->wr_total_time_ns = stats->total_time_ns[BLOCK_ACCT_WRITE]; s->stats->rd_total_time_ns = stats->total_time_ns[BLOCK_ACCT_READ]; s->stats->flush_total_time_ns = stats->total_time_ns[BLOCK_ACCT_FLUSH]; s->stats->has_idle_time_ns = stats->last_access_time_ns > 0; if (s->stats->has_idle_time_ns) { s->stats->idle_time_ns = block_acct_idle_time_ns(stats); } s->stats->account_invalid = stats->account_invalid; s->stats->account_failed = stats->account_failed; while ((ts = block_acct_interval_next(stats, ts))) { BlockDeviceTimedStatsList *timed_stats = g_malloc0(sizeof(*timed_stats)); BlockDeviceTimedStats *dev_stats = g_malloc0(sizeof(*dev_stats)); timed_stats->next = s->stats->timed_stats; timed_stats->value = dev_stats; s->stats->timed_stats = timed_stats; TimedAverage *rd = &ts->latency[BLOCK_ACCT_READ]; TimedAverage *wr = &ts->latency[BLOCK_ACCT_WRITE]; TimedAverage *fl = &ts->latency[BLOCK_ACCT_FLUSH]; dev_stats->interval_length = ts->interval_length; dev_stats->min_rd_latency_ns = timed_average_min(rd); dev_stats->max_rd_latency_ns = timed_average_max(rd); dev_stats->avg_rd_latency_ns = timed_average_avg(rd); dev_stats->min_wr_latency_ns = timed_average_min(wr); dev_stats->max_wr_latency_ns = timed_average_max(wr); dev_stats->avg_wr_latency_ns = timed_average_avg(wr); dev_stats->min_flush_latency_ns = timed_average_min(fl); dev_stats->max_flush_latency_ns = timed_average_max(fl); dev_stats->avg_flush_latency_ns = timed_average_avg(fl); dev_stats->avg_rd_queue_depth = block_acct_queue_depth(ts, BLOCK_ACCT_READ); dev_stats->avg_wr_queue_depth = block_acct_queue_depth(ts, BLOCK_ACCT_WRITE); } } s->stats->wr_highest_offset = bs->wr_highest_offset; if (bs->file) { s->has_parent = true; s->parent = bdrv_query_stats(bs->file->bs, query_backing); } if (query_backing && bs->backing) { s->has_backing = true; s->backing = bdrv_query_stats(bs->backing->bs, query_backing); } return s; }