Commit 4cb6a42e authored by Kan Liang's avatar Kan Liang Committed by Peter Zijlstra
Browse files

powerpc/perf: Support PERF_SAMPLE_DATA_PAGE_SIZE 



The new sample type, PERF_SAMPLE_DATA_PAGE_SIZE, requires the virtual
address. Update the data->addr if the sample type is set.

Signed-off-by: default avatarKan Liang <kan.liang@linux.intel.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20201001135749.2804-4-kan.liang@linux.intel.com
parent 76a5433f

arch/powerpc/perf/core-book3s.c

+4 −2
Original line number Diff line number Diff line
@@ -2065,6 +2065,9 @@ static struct pmu power_pmu = { 
	.sched_task	= power_pmu_sched_task,

};



#define PERF_SAMPLE_ADDR_TYPE  (PERF_SAMPLE_ADDR |		\

				PERF_SAMPLE_PHYS_ADDR |		\

				PERF_SAMPLE_DATA_PAGE_SIZE)

/*

 * A counter has overflowed; update its count and record

 * things if requested.  Note that interrupts are hard-disabled
@@ -2120,8 +2123,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val, 


		perf_sample_data_init(&data, ~0ULL, event->hw.last_period);



		if (event->attr.sample_type &

		    (PERF_SAMPLE_ADDR | PERF_SAMPLE_PHYS_ADDR))

		if (event->attr.sample_type & PERF_SAMPLE_ADDR_TYPE)

			perf_get_data_addr(event, regs, &data.addr);



		if (event->attr.sample_type & PERF_SAMPLE_BRANCH_STACK) {