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

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Date:	Tue, 2 Aug 2016 11:30:26 +0800
From:	kbuild test robot <lkp@...el.com>
To:	David Carrillo-Cisneros <davidcc@...gle.com>
Cc:	kbuild-all@...org, 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>,
	David Carrillo-Cisneros <davidcc@...gle.com>
Subject: Re: [PATCH] perf/core: set cgroup for cpu contexts for new cgroup
 events

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	

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