Messages in this thread | | | Date | Mon, 20 Apr 2015 15:53:48 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH v4 3/3] tracing: add trace event for memory-failure |
| |
On Mon, 20 Apr 2015 16:44:40 +0800 Xie XiuQi <xiexiuqi@huawei.com> wrote:
> RAS user space tools like rasdaemon which base on trace event, could > receive mce error event, but no memory recovery result event. So, I > want to add this event to make this scenario complete. > > This patch add a event at ras group for memory-failure. > > The output like below: > # tracer: nop > # > # entries-in-buffer/entries-written: 2/2 #P:24 > # > # _-----=> irqs-off > # / _----=> need-resched > # | / _---=> hardirq/softirq > # || / _--=> preempt-depth > # ||| / delay > # TASK-PID CPU# |||| TIMESTAMP FUNCTION > # | | | |||| | | > mce-inject-13150 [001] .... 277.019359: memory_failure_event: pfn 0x19869: recovery action for free buddy page: Delayed > > Cc: Tony Luck <tony.luck@intel.com> > Cc: Steven Rostedt <rostedt@goodmis.org> > Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
Looks good to me.
Acked-by: Steven Rostedt <rostedt@goodmis.org>
-- Steve
| |