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| author | Julian Sun <sunjunchao@bytedance.com> | 2025-09-30 15:18:29 +0800 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-10-20 20:22:39 +0200 |
| commit | d6e6215907640801b1f407dc9e871b19ca5a3805 (patch) | |
| tree | 8395a9f976b2d27e8b52734f85a2fc130d298cd8 /tools/testing/selftests/filesystems/utils.c | |
| parent | 1888635532fbbd6be4a4368621085c3a197279f8 (diff) | |
writeback: Add logging for slow writeback (exceeds sysctl_hung_task_timeout_secs)
When a writeback work lasts for sysctl_hung_task_timeout_secs, we want
to identify that there are tasks waiting for a long time-this helps us
pinpoint potential issues.
Additionally, recording the starting jiffies is useful when debugging a
crashed vmcore.
Signed-off-by: Julian Sun <sunjunchao@bytedance.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'tools/testing/selftests/filesystems/utils.c')
0 files changed, 0 insertions, 0 deletions