On Thu, Feb 4, 2010 at 1:45 PM, J K Rai <jk.anu...@yahoo.com> wrote: > 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. > Where do you get the fd from in the handler?
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