Re: [perfmon2] IBS sampling hangs on self notification

[Frederick R. <fre...@ug...>]

Indeed, it fixed the problem. I changed the mapping from tid to the  
file descriptor provided by the signal info.

Thank you very much !


> The only information that is trustworthy is the file descriptor
> carried by the siginfo (info->si_fd), assuming
> you've specified SA_SIGINFO in the sigaction structure.. You need to
> use info->si_fd to identify the context
> for which you have to process the signal. Using gettid(), or
> pthread_self() won't work. And yes, a thread may
> be used to process another thread's samples.