[PATCH V2 2/2] perf kvm: fix sample_type manipulation

From: Adrian Hunter
Date: Fri Sep 06 2013 - 15:33:44 EST


Manipulating the sample_type of an evsel requires
the use of:
perf_evsel__set_sample_bit()
and perf_evsel__reset_sample_bit()

Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
tools/perf/builtin-kvm.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 47b3540..935d522 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -1165,16 +1165,16 @@ static int kvm_live_open_events(struct perf_kvm_stat *kvm)
struct perf_event_attr *attr = &pos->attr;

/* make sure these *are* set */
- attr->sample_type |= PERF_SAMPLE_TID;
- attr->sample_type |= PERF_SAMPLE_TIME;
- attr->sample_type |= PERF_SAMPLE_CPU;
- attr->sample_type |= PERF_SAMPLE_RAW;
+ perf_evsel__set_sample_bit(pos, TID);
+ perf_evsel__set_sample_bit(pos, TIME);
+ perf_evsel__set_sample_bit(pos, CPU);
+ perf_evsel__set_sample_bit(pos, RAW);
/* make sure these are *not*; want as small a sample as possible */
- attr->sample_type &= ~PERF_SAMPLE_PERIOD;
- attr->sample_type &= ~PERF_SAMPLE_IP;
- attr->sample_type &= ~PERF_SAMPLE_CALLCHAIN;
- attr->sample_type &= ~PERF_SAMPLE_ADDR;
- attr->sample_type &= ~PERF_SAMPLE_READ;
+ perf_evsel__reset_sample_bit(pos, PERIOD);
+ perf_evsel__reset_sample_bit(pos, IP);
+ perf_evsel__reset_sample_bit(pos, CALLCHAIN);
+ perf_evsel__reset_sample_bit(pos, ADDR);
+ perf_evsel__reset_sample_bit(pos, READ);
attr->mmap = 0;
attr->comm = 0;
attr->task = 0;
--
1.7.11.7

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