2018-01-24 17:46 GMT+08:00 Peter Zijlstra :
> On Wed, Jan 24, 2018 at 05:19:34PM +0800, Lin Xiulei wrote:
>> Sure, and I consider this "OK" works for "What goes wrong if we leave
>> it set?". : )
>
> It would be good if you inspect the code for the case of leaving
> cpuctx->cgrp set with no cgroup
On Wed, Jan 24, 2018 at 05:19:34PM +0800, Lin Xiulei wrote:
> Sure, and I consider this "OK" works for "What goes wrong if we leave
> it set?". : )
It would be good if you inspect the code for the case of leaving
cpuctx->cgrp set with no cgroup events left -- AND -- put a blurb about
what you foun
2018-01-24 17:14 GMT+08:00 Peter Zijlstra :
> On Wed, Jan 24, 2018 at 04:32:38PM +0800, Lin Xiulei wrote:
>> >> kernel/events/core.c | 44 +++-
>> >> 1 file changed, 31 insertions(+), 13 deletions(-)
>> >>
>> >> diff --git a/kernel/events/core.c b/kernel/eve
On Wed, Jan 24, 2018 at 04:32:38PM +0800, Lin Xiulei wrote:
> >> kernel/events/core.c | 44 +++-
> >> 1 file changed, 31 insertions(+), 13 deletions(-)
> >>
> >> diff --git a/kernel/events/core.c b/kernel/events/core.c
> >> index 4df5b69..f766b60 100644
> >>
2018-01-24 16:20 GMT+08:00 Peter Zijlstra :
> On Wed, Jan 24, 2018 at 03:50:10PM +0800, linxiu...@gmail.com wrote:
>> From: "leilei.lin"
>>
>> Do not install cgroup event into the CPU context if the cgroup
>> is not running on this CPU
>>
>> While there is no task of cgroup running specified CPU,
On Wed, Jan 24, 2018 at 03:50:10PM +0800, linxiu...@gmail.com wrote:
> From: "leilei.lin"
>
> Do not install cgroup event into the CPU context if the cgroup
> is not running on this CPU
>
> While there is no task of cgroup running specified CPU, current
> kernel still install cgroup event into C
From: "leilei.lin"
Do not install cgroup event into the CPU context if the cgroup
is not running on this CPU
While there is no task of cgroup running specified CPU, current
kernel still install cgroup event into CPU context, that causes
another cgroup event can't be installed into this CPU.
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