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SubjectRe: [PATCH v4 23/25] perf tests: Support 'Session topology' test for hybrid
On Fri, Apr 16, 2021 at 10:05:15PM +0800, Jin Yao wrote:
> Force to create one event "cpu_core/cycles/" by default,
> otherwise in evlist__valid_sample_type, the checking of
> 'if (evlist->core.nr_entries == 1)' would be failed.
>
> # ./perf test 41
> 41: Session topology : Ok
>
> Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
> ---
> tools/perf/tests/topology.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c
> index 050489807a47..30b4acb08d35 100644
> --- a/tools/perf/tests/topology.c
> +++ b/tools/perf/tests/topology.c
> @@ -8,6 +8,7 @@
> #include "session.h"
> #include "evlist.h"
> #include "debug.h"
> +#include "pmu.h"
> #include <linux/err.h>
>
> #define TEMPL "/tmp/perf-test-XXXXXX"
> @@ -40,7 +41,14 @@ static int session_write_header(char *path)
> session = perf_session__new(&data, false, NULL);
> TEST_ASSERT_VAL("can't get session", !IS_ERR(session));
>
> - session->evlist = evlist__new_default();
> + if (!perf_pmu__has_hybrid()) {
> + session->evlist = evlist__new_default();
> + } else {
> + struct parse_events_error err;
> +
> + session->evlist = evlist__new();

you should ASSERT session->evlist in here

jirka

> + parse_events(session->evlist, "cpu_core/cycles/", &err);
> + }
> TEST_ASSERT_VAL("can't get evlist", session->evlist);
>
> perf_header__set_feat(&session->header, HEADER_CPU_TOPOLOGY);
> --
> 2.17.1
>

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