blk-cgroup: add CONFIG_BLK_CGROUP_DEBUG_STATS option #543
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Add a Kconfig option to enable blkcg_debug_stats by default at compile time. When CONFIG_BLK_CGROUP_DEBUG_STATS is enabled, additional debugging information is shown in the cgroup io.stat file, including cost.wait, cost.indebt, and cost.indelay for iocost, as well as latency statistics for iolatency. The runtime module parameter blkcg_debug_stats remains functional, allowing the setting to be toggled regardless of the compile-time default. Signed-off-by: Breno Leitao <leitao@debian.org>
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Pull request for series with
subject: blk-cgroup: add CONFIG_BLK_CGROUP_DEBUG_STATS option
version: 1
url: https://patchwork.kernel.org/project/linux-block/list/?series=1050811