On Fri, Apr 19, 2013 at 9:40 PM, Hassan, Ahmad <ahmad.has...@sap.com> wrote: > Hi Stephane, > >>Did you enable automatic inheritance across fork with the -i option of >>the task.c example? > > Yes I am passing -i flag as: > > ./task -e LLC-LOADS,LLC-STORES,LLC_MISSES,cycles,instructions –i -t <pid> > Ok, but the -i is only effective to follow thru the creation of the threads and not when they are already spawned. I see you attaching after program launch. At that time, are all threads already created?
> I should see thousands of loads theoretically because the DB queries are > loading huge data ~4G into DRAM and then accessing it but libpfm4 numbers are > very low. Am I missing some additional configuration? > > I tried using 'perf' with latest kernel 3.8.8 but kernel freezes with trace > 'Watchdog detected hard LOCKUP on cpu 0.......' > > Thanks > > Kind Regards, Ahmad > SAP > > ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel
