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.
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