Hi
I use perfmon2 with linux-2.6.30, libpfm-3.9 on intel xeon x5482.
I am trying to get asynchronous overflow notification (instrn retired) in my
controlling process, (for child process ls) by doing fcntl on perfmon2 context
fd. (sampling period = 1000)
I do standard signal handler installation for SIGIO (tried with SIGPOLL also)
I do following after creating the perfmon2 context.
fcntl(fd, F_SETFL, O_ASYNC);
fcntl(fd, F_SETOWN, getpid());
fcntl(fd, F_SETSIG, SIGPOLL); //have tried with commenting this i.e. with
//default SIGIO also
fcntl(fd, F_SETFD, FD_CLOEXEC);
In my signal handler I perform read, but get unknown message type: 10.
Thanks and regards
Jitendra
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