powerpc/perf: Support PERF_SAMPLE_DATA_PAGE_SIZE
authorKan Liang <kan.liang@linux.intel.com>
Thu, 1 Oct 2020 13:57:48 +0000 (06:57 -0700)
committerPeter Zijlstra <peterz@infradead.org>
Thu, 29 Oct 2020 10:00:39 +0000 (11:00 +0100)
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: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20201001135749.2804-4-kan.liang@linux.intel.com
arch/powerpc/perf/core-book3s.c

index 78fe349..ce22bd2 100644 (file)
@@ -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) {