Messages in this thread | | | From | Qian Cai <> | Subject | Re: [PATCH v2 0/9] Introduce Data Access MONitor (DAMON) | Date | Tue, 28 Jan 2020 06:20:29 -0500 |
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> On Jan 28, 2020, at 5:50 AM, sjpark@amazon.com wrote: > > For the comments from perf maintainers, I added Steven Rostedt and Arnaldo > Carvalho de Melo first, but I might missed someone. If you recommend some more > people, I will add them to recipients. > > I made DAMON as a new subsystem because I think no existing subsystem fits well > to be a base of DAMON, due to DAMON's unique goals and mechanisms described > below in the original cover letter. > > The existing subsystem that most similar to DAMON might be 'mm/page_idle.c'. > However, there are many conceptual differences with DAMON. One biggest > difference I think is the target. 'page_idle' deals with physical page frames > while DAMON deals with virtual address of specific processes. > > Nevertheless, if you have some different opinion, please let me know.
I thought everyone should know to go to the MAINTAINERS file and search PERFORMANCE EVENTS SUBSYSTEM.
It might be difficult but there is a perf subcommand for some subsystems like sched: tracing/measuring of scheduler actions and latencies.
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