linux-kernel - Re: [PATCH] perf/core: set cgroup for cpu contexts for new cgroup events

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Message-ID: <CALcN6miPZ9U+OaF4DeZ5utLMhV728T8Jan8xo8ty6kMkNY+JiA@mail.gmail.com>
Date:	Tue, 2 Aug 2016 00:21:47 -0700
From:	David Carrillo-Cisneros <davidcc@...gle.com>
To:	unlisted-recipients:; (no To-header on input)
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	"x86@...nel.org" <x86@...nel.org>, Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andi Kleen <ak@...ux.intel.com>,
	Kan Liang <kan.liang@...el.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Vegard Nossum <vegard.nossum@...il.com>,
	Paul Turner <pjt@...gle.com>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH] perf/core: set cgroup for cpu contexts for new cgroup events

Sending new version with build error fixed in another thread.

On Mon, Aug 1, 2016 at 8:30 PM, kbuild test robot <lkp@...el.com> wrote:
> Hi David,
>
> [auto build test ERROR on tip/perf/core]
> [also build test ERROR on v4.7 next-20160801]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
>
> url:    https://github.com/0day-ci/linux/commits/David-Carrillo-Cisneros/perf-core-set-cgroup-for-cpu-contexts-for-new-cgroup-events/20160802-110924
> config: x86_64-randconfig-x012-201631 (attached as .config)
> compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64
>
> All errors (new ones prefixed by >>):
>
>    kernel/events/core.c: In function 'list_add_event':
>>> kernel/events/core.c:1428:24: error: 'struct perf_event' has no member named 'cgrp'
>        cpuctx->cgrp = event->cgrp;
>                            ^~
>
> vim +1428 kernel/events/core.c
>
>   1422                  if (!ctx->nr_cgroups++) {
>   1423                          /*
>   1424                           * Because cgroup events are always per-cpu events,
>   1425                           * this will always be called from the right CPU.
>   1426                           */
>   1427                          cpuctx = __get_cpu_context(ctx);
>> 1428                          cpuctx->cgrp = event->cgrp;
>   1429                  }
>   1430          }
>   1431
>
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation