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SubjectRe: [PATCH v4 23/25] perf tests: Support 'Session topology' test for hybrid
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Hi Jiri,

On 4/22/2021 2:29 AM, Jiri Olsa wrote:
> 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
>

OK, will add "ASSERT session->evlist" in next version.

Thanks
Jin Yao

>> + 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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