diff options
| author |   Ingo Molnar <mingo@elte.hu> | 2012-03-12 20:46:35 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-03-12 20:47:05 +0100 |
| commit | bea95c152dee1791dd02cbc708afbb115bb00f9a (patch) | |
| tree | af9994c42c5fdd81ba3dadd7b812e2fa85273353 /arch/alpha | |
| parent | perf/x86: Prettify pmu config literals (diff) | |
| parent | perf report: Fix annotate double quit issue in branch view mode (diff) | |
| download | linux-dev-bea95c152dee1791dd02cbc708afbb115bb00f9a.tar.xz linux-dev-bea95c152dee1791dd02cbc708afbb115bb00f9a.zip | |
Merge branch 'perf/hw-branch-sampling' into perf/core
Merge reason: The 'perf record -b' hardware branch sampling feature is ready for upstream.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/alpha')
| -rw-r--r-- | arch/alpha/kernel/perf_event.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/alpha/kernel/perf_event.c b/arch/alpha/kernel/perf_event.c index 8143cd7cdbfb..0dae252f7a33 100644 --- a/arch/alpha/kernel/perf_event.c +++ b/arch/alpha/kernel/perf_event.c @@ -685,6 +685,10 @@ static int alpha_pmu_event_init(struct perf_event *event) { int err; + /* does not support taken branch sampling */ + if (has_branch_stack(event)) + return -EOPNOTSUPP; + switch (event->attr.type) { case PERF_TYPE_RAW: case PERF_TYPE_HARDWARE: |