Em Thu, Jun 11, 2015 at 02:27:40PM +0000, Liang, Kan escreveu: > > Em Wed, Jun 10, 2015 at 03:46:04AM -0400, [email protected] escreveu: > > > perf top reads all threads' /proc/xxx/maps. If there is any threads > > > which generating a keeping growing huge /proc/xxx/maps, perf will do > > > infinite loop in perf_event__synthesize_mmap_events. > > > This patch fixes this issue by adding a time out to force stop this > > > kind of endless mmap processing. > > > > > > Reported-by: Huang, Ying <[email protected]> > > > Signed-off-by: Kan Liang <[email protected]> > > > > So we will silently stop processing those events? > > > > We will make progress, no doubt, but I think the user needs to be warned > > about this situation, so that later on when/if samples for those maps > > appear and don't get resolved at least we will know that this is the reason. > I will add warning message for this kind of time out.
Thanks! - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
