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From: Peter Zijlstra <peterz@infradead.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Jiri Olsa <jolsa@redhat.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Stephane Eranian <eranian@google.com>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-perf-users@vger.kernel.org, Tejun Heo <tj@kernel.org>,
	Li Zefan <lizefan@huawei.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Adrian Hunter <adrian.hunter@intel.com>
Subject: Re: [PATCH 1/9] perf/core: Add PERF_RECORD_CGROUP event
Date: Tue, 7 Jan 2020 13:51:31 +0100	[thread overview]
Message-ID: <20200107125131.GZ2844@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20191223060759.841176-2-namhyung@kernel.org>

On Mon, Dec 23, 2019 at 03:07:51PM +0900, Namhyung Kim wrote:

> @@ -7564,6 +7567,105 @@ void perf_event_namespaces(struct task_struct *task)
>  			NULL);
>  }
>  
> +/*
> + * cgroup tracking
> + */
> +#ifdef CONFIG_CGROUPS
> +

<snip>

> +
> +#endif
> +
>  /*
>   * mmap tracking
>   */

> @@ -12581,6 +12685,12 @@ static void perf_cgroup_css_free(struct cgroup_subsys_state *css)
>  	kfree(jc);
>  }
>  
> +static int perf_cgroup_css_online(struct cgroup_subsys_state *css)
> +{
> +	perf_event_cgroup(css->cgroup);
> +	return 0;
> +}
> +
>  static int __perf_cgroup_move(void *info)
>  {
>  	struct task_struct *task = info;
> @@ -12602,6 +12712,7 @@ static void perf_cgroup_attach(struct cgroup_taskset *tset)
>  struct cgroup_subsys perf_event_cgrp_subsys = {
>  	.css_alloc	= perf_cgroup_css_alloc,
>  	.css_free	= perf_cgroup_css_free,
> +	.css_online	= perf_cgroup_css_online,
>  	.attach		= perf_cgroup_attach,
>  	/*
>  	 * Implicitly enable on dfl hierarchy so that perf events can

CONFIG_CGROUPS vs CONFIG_CGROUP_PERF ?

Other than that, I see nothing wrong here.

  reply	other threads:[~2020-01-07 12:51 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-23  6:07 [PATCHSET 0/9] perf: Improve cgroup profiling (v3) Namhyung Kim
2019-12-23  6:07 ` [PATCH 1/9] perf/core: Add PERF_RECORD_CGROUP event Namhyung Kim
2020-01-07 12:51   ` Peter Zijlstra [this message]
2020-01-07 13:46     ` Namhyung Kim
2019-12-23  6:07 ` [PATCH 2/9] perf/core: Add PERF_SAMPLE_CGROUP feature Namhyung Kim
2019-12-23  6:07 ` [PATCH 3/9] perf tools: Basic support for CGROUP event Namhyung Kim
2019-12-23  6:07 ` [PATCH 4/9] perf tools: Maintain cgroup hierarchy Namhyung Kim
2019-12-23  6:07 ` [PATCH 5/9] perf report: Add 'cgroup' sort key Namhyung Kim
2019-12-23  6:07 ` [PATCH 6/9] perf record: Support synthesizing cgroup events Namhyung Kim
2019-12-23  6:07 ` [PATCH 7/9] perf record: Add --all-cgroups option Namhyung Kim
2019-12-23  6:07 ` [PATCH 8/9] perf top: " Namhyung Kim
2019-12-23  6:07 ` [PATCH 9/9] perf script: Add --show-cgroup-events option Namhyung Kim
2019-12-23 17:35 ` [PATCHSET 0/9] perf: Improve cgroup profiling (v3) Vince Weaver
2019-12-24  0:40   ` Namhyung Kim
2019-12-26 12:46     ` Arnaldo Carvalho de Melo
2019-12-27 18:31       ` Vince Weaver
  -- strict thread matches above, loose matches on Subject: below --
2020-03-25 12:45 [PATCHSET 0/9] perf: Improve cgroup profiling (v6) Namhyung Kim
2020-03-25 12:45 ` [PATCH 1/9] perf/core: Add PERF_RECORD_CGROUP event Namhyung Kim
2020-01-07 13:34 [PATCHSET 0/9] perf: Improve cgroup profiling (v4) Namhyung Kim
2020-01-07 13:34 ` [PATCH 1/9] perf/core: Add PERF_RECORD_CGROUP event Namhyung Kim
2019-12-20  4:32 [PATCHSET 0/9] perf: Improve cgroup profiling (v2) Namhyung Kim
2019-12-20  4:32 ` [PATCH 1/9] perf/core: Add PERF_RECORD_CGROUP event Namhyung Kim
2019-12-20  9:33   ` Peter Zijlstra
2019-12-20 11:28     ` Namhyung Kim
2019-12-20 11:50     ` Namhyung Kim
2019-12-20 15:16     ` Tejun Heo
2019-12-21  8:49       ` Namhyung Kim
2019-08-28  7:31 [PATCHSET 0/9] perf: Improve cgroup profiling (v1) Namhyung Kim
2019-08-28  7:31 ` [PATCH 1/9] perf/core: Add PERF_RECORD_CGROUP event Namhyung Kim
2019-08-28  9:44   ` Peter Zijlstra
2019-08-28  9:44   ` Peter Zijlstra
2019-08-28 13:13     ` Arnaldo Carvalho de Melo
2019-08-30  3:46     ` Namhyung Kim
2019-08-30  7:34       ` Peter Zijlstra
2019-08-30 22:49         ` Namhyung Kim
2019-08-30 23:52           ` Stephane Eranian
2019-08-28 14:48   ` Tejun Heo
2019-08-30  3:56     ` Namhyung Kim

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