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authorJiri Olsa <jolsa@kernel.org>2020-06-03 00:47:41 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-06-22 22:28:09 +0300
commit218ca91df47712a7b2b5a554e39c4a2c819a9e86 (patch)
treef85d6bbfe79afdaecbc83705016c599cd37eaefd /tools/perf
parent0a507af9c681ac2adedc5fe1b2d534e27be85446 (diff)
downloadlinux-218ca91df47712a7b2b5a554e39c4a2c819a9e86.tar.xz
perf tests: Add parse metric test for frontend metric
Adding new metric test for frontend metric. It's stolen from x86 pmu events. Committer testing: # perf test "Parse and process metrics" 67: Parse and process metrics : Ok # perf test -v "Parse and process metrics" # 67: Parse and process metrics : --- start --- test child forked, pid 104881 metric expr inst_retired.any / cpu_clk_unhalted.thread for IPC found event inst_retired.any found event cpu_clk_unhalted.thread adding {inst_retired.any,cpu_clk_unhalted.thread}:W metric expr idq_uops_not_delivered.core / (4 * (( ( cpu_clk_unhalted.thread / 2 ) * ( 1 + cpu_clk_unhalted.one_thread_active / cpu_clk_unhalted.ref_xclk ) ))) for Frontend_Bound_SMT found event cpu_clk_unhalted.one_thread_active found event cpu_clk_unhalted.ref_xclk found event idq_uops_not_delivered.core found event cpu_clk_unhalted.thread adding {cpu_clk_unhalted.one_thread_active,cpu_clk_unhalted.ref_xclk,idq_uops_not_delivered.core,cpu_clk_unhalted.thread}:W test child finished with 0 ---- end ---- Parse and process metrics: Ok # Had to fix it to initialize that 'struct value' array sentinel with a named initializer to fix the build with some versions of clang: tests/parse-metric.c:154:7: error: missing field 'val' initializer [-Werror,-Wmissing-field-initializers] { 0 }, Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Ian Rogers <irogers@google.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20200602214741.1218986-14-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/tests/parse-metric.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/perf/tests/parse-metric.c b/tools/perf/tests/parse-metric.c
index 79d956dc6a74..8c48251425e1 100644
--- a/tools/perf/tests/parse-metric.c
+++ b/tools/perf/tests/parse-metric.c
@@ -17,6 +17,11 @@ static struct pmu_event pme_test[] = {
.metric_expr = "inst_retired.any / cpu_clk_unhalted.thread",
.metric_name = "IPC",
},
+{
+ .metric_expr = "idq_uops_not_delivered.core / (4 * (( ( cpu_clk_unhalted.thread / 2 ) * "
+ "( 1 + cpu_clk_unhalted.one_thread_active / cpu_clk_unhalted.ref_xclk ) )))",
+ .metric_name = "Frontend_Bound_SMT",
+},
};
static struct pmu_events_map map = {
@@ -138,8 +143,28 @@ static int test_ipc(void)
return 0;
}
+static int test_frontend(void)
+{
+ double ratio;
+ struct value vals[] = {
+ { .event = "idq_uops_not_delivered.core", .val = 300 },
+ { .event = "cpu_clk_unhalted.thread", .val = 200 },
+ { .event = "cpu_clk_unhalted.one_thread_active", .val = 400 },
+ { .event = "cpu_clk_unhalted.ref_xclk", .val = 600 },
+ { .event = NULL, },
+ };
+
+ TEST_ASSERT_VAL("failed to compute metric",
+ compute_metric("Frontend_Bound_SMT", vals, &ratio) == 0);
+
+ TEST_ASSERT_VAL("Frontend_Bound_SMT failed, wrong ratio",
+ ratio == 0.45);
+ return 0;
+}
+
int test__parse_metric(struct test *test __maybe_unused, int subtest __maybe_unused)
{
TEST_ASSERT_VAL("IPC failed", test_ipc() == 0);
+ TEST_ASSERT_VAL("frontend failed", test_frontend() == 0);
return 0;
}