Re: [PATCH v2] perf lock contention: Account contending locks too

[Namhyung Kim]

On Tue, 27 Feb 2024 21:33:35 -0800, Namhyung Kim wrote:
> Currently it accounts the contention using delta between timestamps in
> lock:contention_begin and lock:contention_end tracepoints.  But it means
> the lock should see the both events during the monitoring period.
> 
> Actually there are 4 cases that happen with the monitoring:
> 
>                 monitoring period
>             /                       \
>             |                       |
>  1:  B------+-----------------------+--------E
>  2:    B----+-------------E         |
>  3:         |           B-----------+----E
>  4:         |     B-------------E   |
>             |                       |
>             t0                      t1
> 
> [...]

Applied to perf-tools-next, thanks!

Best regards,
-- 
Namhyung Kim <namhyung@xxxxxxxxxx>