On Wed, Feb 06, 2013 at 08:42:58PM +0100, Oleg Nesterov wrote: > Test-case: > > # perf record -e probe_libc:syscall -C0 true > true: Terminated > > The child process is killed by perf_record__sig_exit(). This is because > perf_evlist__prepare_workload() doesn't initialize threads->map[] and > then perf_event__synthesize_mmap_events() (silently!) fails. This patch
hi, sorry for late reply.. I think the reason it fails is that it actually got inside perf_event__synthesize_mmap_events while there's cpu list specified. I sent possible fix: http://marc.info/?l=linux-kernel&m=136178604718144&w=2 > seems to fix the problem, but perhaps we should also move > 'pr_err("Couldn't run the workload!\n")' down to 'out_delete_session:', I'll check ;-) thanks, jirka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
