lkml.org 
[lkml]   [2020]   [Jun]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    Date
    SubjectRe: [PATCH 14/14] perf tests: Add parse metric test for frontend metric
    On Sun, May 24, 2020 at 3:43 PM Jiri Olsa <jolsa@kernel.org> wrote:
    >
    > Adding new metri test for frontend metric. It's stolen

    s/metri/metric/

    > from x86 pmu events.
    >
    > Signed-off-by: Jiri Olsa <jolsa@kernel.org>

    Acked-by: Ian Rogers <irogers@google.com>

    Thanks,
    Ian

    > ---
    > tools/perf/tests/parse-metric.c | 46 +++++++++++++++++++++++++++++++++
    > 1 file changed, 46 insertions(+)
    >
    > diff --git a/tools/perf/tests/parse-metric.c b/tools/perf/tests/parse-metric.c
    > index 3005d27c5c48..38f20850bba3 100644
    > --- a/tools/perf/tests/parse-metric.c
    > +++ b/tools/perf/tests/parse-metric.c
    > @@ -15,6 +15,11 @@ 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 = {
    > @@ -110,8 +115,49 @@ static int test_ipc(void)
    > return 0;
    > }
    >
    > +static int test_frontend(void)
    > +{
    > + double ratio;
    > + struct rblist metric_events = { 0 };
    > + struct evlist *evlist;
    > + struct evsel *evsel;
    > + 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 },
    > + { 0 },
    > + };
    > + struct runtime_stat st;
    > + int err;
    > +
    > + evlist = evlist__new();
    > + if (!evlist)
    > + return -1;
    > +
    > + err = metricgroup__parse_groups_test(evlist, &map,
    > + "Frontend_Bound_SMT",
    > + false, false,
    > + &metric_events);
    > +
    > + TEST_ASSERT_VAL("failed to parse metrics", err == 0);
    > +
    > + runtime_stat__init(&st);
    > + load_runtime_stat(&st, evlist, vals);
    > +
    > + evsel = evlist__first(evlist);
    > + ratio = compute_single(&metric_events, evsel, &st);
    > +
    > + TEST_ASSERT_VAL("Frontend_Bound_SMT failed, wrong ratio", ratio == 0.45);
    > +
    > + runtime_stat__exit(&st);
    > + evlist__delete(evlist);
    > + 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;
    > }
    > --
    > 2.25.4
    >

    \
     
     \ /
      Last update: 2020-06-01 10:07    [W:4.174 / U:0.484 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site