Re: [PATCH 0/3] PM / devfreq: Add devfreq_frequency tracepoint to track frequency change

From: Chanwoo Choi
Date: Mon Oct 19 2020 - 06:51:05 EST


On 10/8/20 4:54 PM, Chanwoo Choi wrote:
> Add devfreq_tracepoint to track the correct timing of frequency change
> with following information:
> - device name
> - current frequency
> - previous frequency
> - load when change frequency
> - tracepoint path : /sys/kernel/debug/tracing/events/devfreq_frequency
>
> And add devfreq_update_target() function to unify the frequency change code
> on both devfreq core and devfreq passive governor because there are redundant
> duplicate code. Lastly, Use fixed indentation size to improve readability
> for 'devfreq_monitor' tracepoint.
>
> Matthias already sent the patch[1]. Make patch3 by editing patch[1].
> [1]https://www.mail-archive.com/linux-kernel@xxxxxxxxxxxxxxx/msg2108015.html
>
> Chanwoo Choi (2):
> trace: events: devfreq: Use fixed indentation size to improve readability
> PM / devfreq: Unify frequency change to devfreq_update_target func
>
> Matthias Kaehlcke (1):
> PM / devfreq: Add tracepoint for frequency changes
>
> drivers/devfreq/devfreq.c | 37 +++++++++++++++++++++-----
> drivers/devfreq/governor.h | 1 +
> drivers/devfreq/governor_passive.c | 42 +++++++-----------------------
> include/trace/events/devfreq.h | 30 ++++++++++++++++++++-
> 4 files changed, 70 insertions(+), 40 deletions(-)
>

Applied them. Thanks.

--
Best Regards,
Chanwoo Choi
Samsung Electronics