On Fri, 10 Aug 2018 06:01:34 -0700
Joel Fernandes wrote:
> > Even though, it should be verified or atleast commented on the function
> > header.
>
> Ok. ftrace/core has been fixed since since so this patch is outdated
> and isn't needed any more, but I agree a separate patch doc comment
>
On Fri, 10 Aug 2018 06:01:34 -0700
Joel Fernandes wrote:
> > Even though, it should be verified or atleast commented on the function
> > header.
>
> Ok. ftrace/core has been fixed since since so this patch is outdated
> and isn't needed any more, but I agree a separate patch doc comment
>
On Fri, Aug 10, 2018 at 5:55 AM, Masami Hiramatsu wrote:
[..]
>>
>> >> The other way to fix this is to just use SRCU for all tracepoints.
>> >> However we can't do that because we can't use NMIs from RCU context.
>> >>
>> >> Fixes: c3bc8fd637a9 ("tracing: Centralize preemptirq tracepoints
>> >>
On Fri, Aug 10, 2018 at 5:55 AM, Masami Hiramatsu wrote:
[..]
>>
>> >> The other way to fix this is to just use SRCU for all tracepoints.
>> >> However we can't do that because we can't use NMIs from RCU context.
>> >>
>> >> Fixes: c3bc8fd637a9 ("tracing: Centralize preemptirq tracepoints
>> >>
On Mon, 6 Aug 2018 07:14:35 -0700
Joel Fernandes wrote:
> On Mon, Aug 6, 2018 at 7:05 AM, Masami Hiramatsu wrote:
> > On Sun, 5 Aug 2018 20:40:49 -0700
> > "Joel Fernandes (Google)" wrote:
> >
> >> Recently we tried to make the preemptirqsoff tracer to use irqsoff
> >> tracepoint probes.
On Mon, 6 Aug 2018 07:14:35 -0700
Joel Fernandes wrote:
> On Mon, Aug 6, 2018 at 7:05 AM, Masami Hiramatsu wrote:
> > On Sun, 5 Aug 2018 20:40:49 -0700
> > "Joel Fernandes (Google)" wrote:
> >
> >> Recently we tried to make the preemptirqsoff tracer to use irqsoff
> >> tracepoint probes.
On Mon, Aug 6, 2018 at 7:05 AM, Masami Hiramatsu wrote:
> On Sun, 5 Aug 2018 20:40:49 -0700
> "Joel Fernandes (Google)" wrote:
>
>> Recently we tried to make the preemptirqsoff tracer to use irqsoff
>> tracepoint probes. However this causes issues as reported by Masami:
>>
>> [2.271078] Testing
On Mon, Aug 6, 2018 at 7:05 AM, Masami Hiramatsu wrote:
> On Sun, 5 Aug 2018 20:40:49 -0700
> "Joel Fernandes (Google)" wrote:
>
>> Recently we tried to make the preemptirqsoff tracer to use irqsoff
>> tracepoint probes. However this causes issues as reported by Masami:
>>
>> [2.271078] Testing
On Sun, 5 Aug 2018 20:40:49 -0700
"Joel Fernandes (Google)" wrote:
> Recently we tried to make the preemptirqsoff tracer to use irqsoff
> tracepoint probes. However this causes issues as reported by Masami:
>
> [2.271078] Testing tracer preemptirqsoff: .. no entries found ..FAILED!
>
On Sun, 5 Aug 2018 20:40:49 -0700
"Joel Fernandes (Google)" wrote:
> Recently we tried to make the preemptirqsoff tracer to use irqsoff
> tracepoint probes. However this causes issues as reported by Masami:
>
> [2.271078] Testing tracer preemptirqsoff: .. no entries found ..FAILED!
>
Recently we tried to make the preemptirqsoff tracer to use irqsoff
tracepoint probes. However this causes issues as reported by Masami:
[2.271078] Testing tracer preemptirqsoff: .. no entries found ..FAILED!
[2.381015] WARNING: CPU: 0 PID: 1 at /home/mhiramat/ksrc/linux/kernel/
trace/trace.c:1512
Recently we tried to make the preemptirqsoff tracer to use irqsoff
tracepoint probes. However this causes issues as reported by Masami:
[2.271078] Testing tracer preemptirqsoff: .. no entries found ..FAILED!
[2.381015] WARNING: CPU: 0 PID: 1 at /home/mhiramat/ksrc/linux/kernel/
trace/trace.c:1512
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