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authorJiri Olsa <jolsa@kernel.org>2015-10-25 15:51:28 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-12-17 14:38:19 -0300
commit6742434261158ad9678bf15b165304e0200cc324 (patch)
tree3a48df11cbb597dcbe5e56fdfe59875023bb55fc /tools/perf/tests
parent374fb9e362f64e730388abc1de9bb93829670a54 (diff)
downloadop-kernel-dev-6742434261158ad9678bf15b165304e0200cc324.zip
op-kernel-dev-6742434261158ad9678bf15b165304e0200cc324.tar.gz
perf tools: Add stat config event synthesize function
Introduce the perf_event__synthesize_stat_config to synthesize a 'struct perf_stat_config'. Storing the stat config in the form of tag-value pairs will, I believe, sort out future version extensibility issues. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Kan Liang <kan.liang@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1445784728-21732-13-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests')
-rw-r--r--tools/perf/tests/Build1
-rw-r--r--tools/perf/tests/builtin-test.c4
-rw-r--r--tools/perf/tests/stat.c53
-rw-r--r--tools/perf/tests/tests.h1
4 files changed, 59 insertions, 0 deletions
diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build
index 7abad28..fc02931 100644
--- a/tools/perf/tests/Build
+++ b/tools/perf/tests/Build
@@ -35,6 +35,7 @@ perf-y += llvm.o llvm-src-base.o llvm-src-kbuild.o llvm-src-prologue.o
perf-y += bpf.o
perf-y += topology.o
perf-y += cpumap.o
+perf-y += stat.o
$(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c tests/Build
$(call rule_mkdir)
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 0c3fe28..ed8402f 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -188,6 +188,10 @@ static struct test generic_tests[] = {
.func = test__cpu_map_synthesize,
},
{
+ .desc = "Test stat config synthesize",
+ .func = test__synthesize_stat_config,
+ },
+ {
.func = NULL,
},
};
diff --git a/tools/perf/tests/stat.c b/tools/perf/tests/stat.c
new file mode 100644
index 0000000..c7a2bdb
--- /dev/null
+++ b/tools/perf/tests/stat.c
@@ -0,0 +1,53 @@
+#include <linux/compiler.h>
+#include "event.h"
+#include "tests.h"
+#include "stat.h"
+#include "debug.h"
+
+static bool has_term(struct stat_config_event *config,
+ u64 tag, u64 val)
+{
+ unsigned i;
+
+ for (i = 0; i < config->nr; i++) {
+ if ((config->data[i].tag == tag) &&
+ (config->data[i].val == val))
+ return true;
+ }
+
+ return false;
+}
+
+static int process_event(struct perf_tool *tool __maybe_unused,
+ union perf_event *event,
+ struct perf_sample *sample __maybe_unused,
+ struct machine *machine __maybe_unused)
+{
+ struct stat_config_event *config = &event->stat_config;
+
+#define HAS(term, val) \
+ has_term(config, PERF_STAT_CONFIG_TERM__##term, val)
+
+ TEST_ASSERT_VAL("wrong nr", config->nr == PERF_STAT_CONFIG_TERM__MAX);
+ TEST_ASSERT_VAL("wrong aggr_mode", HAS(AGGR_MODE, AGGR_CORE));
+ TEST_ASSERT_VAL("wrong scale", HAS(SCALE, 1));
+ TEST_ASSERT_VAL("wrong interval", HAS(INTERVAL, 1));
+
+#undef HAS
+
+ return 0;
+}
+
+int test__synthesize_stat_config(int subtest __maybe_unused)
+{
+ struct perf_stat_config stat_config = {
+ .aggr_mode = AGGR_CORE,
+ .scale = 1,
+ .interval = 1,
+ };
+
+ TEST_ASSERT_VAL("failed to synthesize stat_config",
+ !perf_event__synthesize_stat_config(NULL, &stat_config, process_event, NULL));
+
+ return 0;
+}
diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h
index f85160f..319757a 100644
--- a/tools/perf/tests/tests.h
+++ b/tools/perf/tests/tests.h
@@ -81,6 +81,7 @@ int test__bpf_subtest_get_nr(void);
int test_session_topology(int subtest);
int test__thread_map_synthesize(int subtest);
int test__cpu_map_synthesize(int subtest);
+int test__synthesize_stat_config(int subtest);
#if defined(__arm__) || defined(__aarch64__)
#ifdef HAVE_DWARF_UNWIND_SUPPORT
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