On Mon, Aug 26, 2013 at 10:53:05AM -0300, Arnaldo Carvalho de Melo wrote: > Em Mon, Aug 26, 2013 at 04:15:34PM +0300, Adrian Hunter escreveu: > > On 07/08/13 16:30, Adrian Hunter wrote: > > > When an event is disabled the "tracking" events > > > selected by the 'mmap', 'comm' and 'task' bits of > > > struct perf_event_attr, are also disabled. However, > > > the information those events provide is necessary to > > > resolve symbols for when the main event is re-enabled. > > > > > > The "tracking" events can be kept enabled by putting > > > them on another event, but that requires an event > > > that otherwise does nothing. A new software event > > > PERF_COUNT_SW_DUMMY is added for that purpose. > > > > > > Signed-off-by: Adrian Hunter <adrian.hun...@intel.com> > > > > Any comments? > > Ok with me, Peter?
Yeah I suppose so.. I don't really like it and I've made a start at looking at the problem twice now but never got anywhere, so sure lets go with this. Acked-by: Peter Zijlstra <pet...@infradead.org> -- 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/
