On Mon, 2012-10-22 at 14:11 +0800, Yan, Zheng wrote: > + /* LBR callstack does not work well with FREEZE_LBRS_ON_PMI */ > + if (!cpuc->lbr_sel || !(cpuc->lbr_sel->config & LBR_CALL_STACK)) > + debugctl |= DEBUGCTLMSR_FREEZE_LBRS_ON_PMI;
How useful it is without this? How many calls between PMI and us getting to intel_pmu_lbr_read()? -- 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/
