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block: enable stats-intervals for storage devices

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This patch allows stats-intervals to be used for storage
devices with the -device option. It accepts a list of interval
lengths in JSON format.

It configures and collects the stats in the BlockBackend layer
through the storage device that consumes the BlockBackend.

Signed-off-by: Chandan Somani <csomani@redhat.com>
Message-ID: <20251003220039.1336663-1-csomani@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Chandan Somani
2025-10-03 14:59:26 -07:00
committed by Kevin Wolf
parent 3ab02c8570
commit 9f0c763e16
6 changed files with 69 additions and 8 deletions
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3
blockdev.c
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@@ -617,7 +617,8 @@ static BlockBackend *blockdev_init(const char *file, QDict *bs_opts,
bs->detect_zeroes = detect_zeroes;
block_acct_setup(blk_get_stats(blk), account_invalid, account_failed);
block_acct_setup(blk_get_stats(blk), account_invalid, account_failed,
NULL, 0, NULL);
if (!parse_stats_intervals(blk_get_stats(blk), interval_list, errp)) {
blk_unref(blk);