From: Tejun Heo <tj@kernel.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
Zefan Li <lizefan.x@bytedance.com>,
Johannes Weiner <hannes@cmpxchg.org>,
cgroups@vger.kernel.org, Jiri Olsa <jolsa@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
linux-perf-users@vger.kernel.org,
Song Liu <songliubraving@fb.com>,
bpf@vger.kernel.org, Andrii Nakryiko <andrii@kernel.org>
Subject: Re: [PATCH v2] perf stat: Support old kernels for bperf cgroup counting
Date: Tue, 11 Oct 2022 06:53:43 -1000 [thread overview]
Message-ID: <Y0Wfl88objrECjSo@slm.duckdns.org> (raw)
In-Reply-To: <20221011052808.282394-1-namhyung@kernel.org>
On Mon, Oct 10, 2022 at 10:28:08PM -0700, Namhyung Kim wrote:
> The recent change in the cgroup will break the backward compatiblity in
> the BPF program. It should support both old and new kernels using BPF
> CO-RE technique.
>
> Like the task_struct->__state handling in the offcpu analysis, we can
> check the field name in the cgroup struct.
>
> Acked-by: Jiri Olsa <jolsa@kernel.org>
> Acked-by: Andrii Nakryiko <andrii@kernel.org>
> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Applied to cgroup/for-6.1-fixes.
Thanks.
--
tejun
next prev parent reply other threads:[~2022-10-11 16:53 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-29 19:05 [PATCH cgroup/for-5.20] cgroup: Replace cgroup->ancestor_ids[] with ->ancestors[] Tejun Heo
[not found] ` <YuQvcCrcgNWbtndU-NiLfg/pYEd1N0TnZuCh8vA@public.gmane.org>
2022-07-29 20:30 ` Namhyung Kim
2022-07-29 20:58 ` [PATCH v2 " Tejun Heo
[not found] ` <YuRJ7uzKY5/fokH5-NiLfg/pYEd1N0TnZuCh8vA@public.gmane.org>
2022-07-29 22:42 ` Michal Koutný
2022-07-29 23:02 ` Tejun Heo
2022-07-29 23:10 ` [PATCH v3 " Tejun Heo
2022-08-15 21:17 ` Tejun Heo
[not found] ` <Yvq33G14AU0cuswB-NiLfg/pYEd1N0TnZuCh8vA@public.gmane.org>
2022-09-22 4:05 ` Namhyung Kim
[not found] ` <CAM9d7cjQ20a01YoZi=o-_7HT6TzR0TZgtpscKNvRrMq2yqV1Og-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2022-09-22 4:14 ` [PATCH] perf stat: Support old kernels for bperf cgroup counting Namhyung Kim
2022-09-24 3:22 ` Tejun Heo
[not found] ` <Yy54CwK84JY/o+Ci-NiLfg/pYEd1N0TnZuCh8vA@public.gmane.org>
2022-09-30 20:30 ` Namhyung Kim
2022-09-30 21:43 ` Jiri Olsa
2022-09-30 21:56 ` Namhyung Kim
[not found] ` <CAM9d7cjKaZvWQUwGwoTLNzAgHS7ndL_V_5+O+WqMUvuHJ7cWNg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2022-09-30 22:00 ` Arnaldo Carvalho de Melo
[not found] ` <88915C51-33CD-49A4-A9E0-F5F5ECDEA0C7-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2022-09-30 22:11 ` Namhyung Kim
2022-10-01 13:57 ` Jiri Olsa
2022-09-30 22:48 ` Andrii Nakryiko
2022-10-01 2:31 ` Namhyung Kim
[not found] ` <CAM9d7ch8RUgf8V1hi=ccgV84XSfujuWtUKKgre8eQdGmtdiFLA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2022-10-05 22:36 ` Andrii Nakryiko
[not found] ` <20220922041435.709119-1-namhyung-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2022-10-01 13:58 ` Jiri Olsa
2022-10-10 23:59 ` Tejun Heo
[not found] ` <Y0Sx2KWX4gPlLytq-NiLfg/pYEd1N0TnZuCh8vA@public.gmane.org>
2022-10-11 5:24 ` Namhyung Kim
2022-10-11 5:28 ` [PATCH v2] " Namhyung Kim
2022-10-11 16:53 ` Tejun Heo [this message]
2022-10-14 13:27 ` Arnaldo Carvalho de Melo
[not found] ` <Y0ljzN920sWalEHR-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2022-10-14 13:30 ` Arnaldo Carvalho de Melo
2022-10-14 16:40 ` Tejun Heo
[not found] ` <Y0mRGJx4Mc7t7fGB-NiLfg/pYEd1N0TnZuCh8vA@public.gmane.org>
2022-10-14 17:10 ` Arnaldo Carvalho de Melo
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