lkml.org 
[lkml]   [2022]   [Oct]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH] perf: Fix missing SIGTRAPs
    On Fri, Oct 07, 2022 at 03:58PM +0200, Marco Elver wrote:
    > On Fri, Oct 07, 2022 at 03:09PM +0200, Peter Zijlstra wrote:
    > > On Fri, Oct 07, 2022 at 11:37:34AM +0200, Marco Elver wrote:
    > >
    > > > That worked. In addition I had to disable the ctx->task != current check
    > > > if we're in task_work, because presumably the event might have already
    > > > been disabled/moved??
    > >
    > > Uhmmm... uhhh... damn. (wall-time was significantly longer)
    > >
    > > Does this help?
    >
    > No unfortunately - still see:
    >
    > [ 82.300827] ------------[ cut here ]------------
    > [ 82.301680] WARNING: CPU: 0 PID: 976 at kernel/events/core.c:6466 perf_sigtrap+0x60/0x70

    Whenever the warning fires, I see that event->state is OFF.

    \
     
     \ /
      Last update: 2022-10-07 18:15    [W:2.682 / U:0.068 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site