On 10/23/2015 02:56 PM, David Ahern wrote: > On 10/23/15 12:52 PM, William Cohen wrote: >> Earlier this month Rei Odeira found that the oprofile tool operf would >> have problems attaching and monitoring a process that created many >> very short-lived threads. It looks like the kernel's perf tool also >> has issues when attempting to attach and monitor a process that is >> creating many short-lived threads. > > known a problem. If this is the problem I think it is you will find that > strace shows perf stuck walking /proc directory. > > David >
Hi David, Is the following thread related to the problem? [PATCH 1/1] perf,tools: add time out to force stop endless mmap processing" http://lkml.iu.edu/hypermail/linux/kernel/1506.1/02251.html Or is there some other thread about the problem? -Will -- To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html