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

From: kbuild test robot
Date: Mon Aug 01 2016 - 23:33:24 EST


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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