On Tue, Jul 16, 2013 at 09:22:00AM +0300, Adrian Hunter wrote: > 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. > > Any other comments?
Ah, thanks for the reminder.. well, I've applied patches 1-3 as those seem useful on their own. I'm not entirely convinced about the 'keep tracking' thing though. It seems to me you could get the same by opening a second event into the same buffer and keeping that enabled. -- 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/
