lkml.org 
[lkml]   [2019]   [Nov]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 15/15] perf intel-bts: Does not support AUX area sampling
Date
Add an error message because Intel BTS does not support AUX area
sampling.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
tools/perf/arch/x86/util/auxtrace.c | 2 ++
tools/perf/arch/x86/util/intel-bts.c | 5 +++++
2 files changed, 7 insertions(+)

diff --git a/tools/perf/arch/x86/util/auxtrace.c b/tools/perf/arch/x86/util/auxtrace.c
index 092543cad324..7abc9fd4cbec 100644
--- a/tools/perf/arch/x86/util/auxtrace.c
+++ b/tools/perf/arch/x86/util/auxtrace.c
@@ -29,6 +29,8 @@ struct auxtrace_record *auxtrace_record__init_intel(struct evlist *evlist,
if (intel_pt_pmu)
intel_pt_pmu->auxtrace = true;
intel_bts_pmu = perf_pmu__find(INTEL_BTS_PMU_NAME);
+ if (intel_bts_pmu)
+ intel_bts_pmu->auxtrace = true;

evlist__for_each_entry(evlist, evsel) {
if (intel_pt_pmu && evsel->core.attr.type == intel_pt_pmu->type)
diff --git a/tools/perf/arch/x86/util/intel-bts.c b/tools/perf/arch/x86/util/intel-bts.c
index f7f68a50a5cd..27d9e214d068 100644
--- a/tools/perf/arch/x86/util/intel-bts.c
+++ b/tools/perf/arch/x86/util/intel-bts.c
@@ -113,6 +113,11 @@ static int intel_bts_recording_options(struct auxtrace_record *itr,
const struct perf_cpu_map *cpus = evlist->core.cpus;
bool privileged = perf_event_paranoid_check(-1);

+ if (opts->auxtrace_sample_mode) {
+ pr_err("Intel BTS does not support AUX area sampling\n");
+ return -EINVAL;
+ }
+
btsr->evlist = evlist;
btsr->snapshot_mode = opts->auxtrace_snapshot_mode;

--
2.17.1
\
 
 \ /
  Last update: 2019-11-15 13:44    [W:0.145 / U:14.208 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site