On Wed, May 27, 2015 at 3:13 AM, Peter Zijlstra <pet...@infradead.org> wrote: > On Wed, May 27, 2015 at 02:01:04AM -0700, Stephane Eranian wrote: >> > #define PERF_X86_EVENT_AUTO_RELOAD 0x0400 /* use PEBS auto-reload */ >> > #define PERF_X86_EVENT_FREERUNNING 0x0800 /* use freerunning PEBS */ >> > >> What's free running PEBS? ;-> > > The series here: > > > http://lkml.kernel.org/r/1430940834-8964-2-git-send-email-kan.li...@intel.com
Ok, I assume this goes with more patches that enable depth > 1 for the PEBS buffer, otherwise I am not so sure about the added value. PEBS micro-code has to reprogram that MSR no matter what, hasn't it? -- 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/
