perf/x86/intel/uncore: Add box_offsets for free-running counters (bc88a2fe) · Commits · 戴 / test

The offset between uncore boxes of free-running counters varies, e.g. IIO free-running counters on Ice Lake server. Add box_offsets, an array of offsets between adjacent uncore boxes. Signed-off-by:

Kan Liang <kan.liang@linux.intel.com> Signed-off-by:

Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/1584470314-46657-1-git-send-email-kan.liang@linux.intel.com

arch/x86/events/intel/uncore.h

+4 −1

Original line number	Diff line number	Diff line
		@@ -154,6 +154,7 @@ struct freerunning_counters {
		unsigned int box_offset;
		unsigned int num_counters;
		unsigned int bits;
		unsigned *box_offsets;
		};

		struct pci2phy_map {
		@@ -310,7 +311,9 @@ unsigned int uncore_freerunning_counter(struct intel_uncore_box *box,

		return pmu->type->freerunning[type].counter_base +
		pmu->type->freerunning[type].counter_offset * idx +
		pmu->type->freerunning[type].box_offset * pmu->pmu_idx;
		(pmu->type->freerunning[type].box_offsets ?
		pmu->type->freerunning[type].box_offsets[pmu->pmu_idx] :
		pmu->type->freerunning[type].box_offset * pmu->pmu_idx);
		}

		static inline

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