On 28/06/13 22:22, Adrian Hunter wrote: > On 28/06/2013 6:27 p.m., Peter Zijlstra wrote: >> On Fri, Jun 28, 2013 at 04:22:16PM +0300, Adrian Hunter wrote: >>> Hi >>> >>> Please consider these two new perf features: >>> x86: add ability to calculate TSC from perf sample timestamps >>> perf: add 'keep tracking' flag to PERF_EVENT_IOC_DISABLE >> >> Please explain to us why you'd like to do this.. > > I will see what information I can dig up. The short answer is that I need > to disable and re-enable a perf event but still be able to map IPs to their > DSOs and symbols - which means not losing mmap events.
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