linux-kernel - Re: [PATCH v4] perf evlist: Fix evlist__new

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Date: Thu, 25 Jan 2024 13:45:56 -0800
From: Namhyung Kim <namhyung@...nel.org>
To: James Clark <james.clark@....com>,
	linux-perf-users@...r.kernel.org,
	irogers@...gle.com
Cc: linux-kernel@...r.kernel.org,
	Adrian Hunter <adrian.hunter@...el.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Yang Jihong <yangjihong1@...wei.com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Changbin Du <changbin.du@...wei.com>,
	Kan Liang <kan.liang@...ux.intel.com>,
	Mark Rutland <mark.rutland@....com>,
	Jiri Olsa <jolsa@...nel.org>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH v4] perf evlist: Fix evlist__new_default() for > 1 core PMU

On Wed, 24 Jan 2024 09:43:57 +0000, James Clark wrote:
> The 'Session topology' test currently fails with this message when
> evlist__new_default() opens more than one event:
> 
>   32: Session topology                                                :
>   --- start ---
>   templ file: /tmp/perf-test-vv5YzZ
>   Using CPUID 0x00000000410fd070
>   Opening: unknown-hardware:HG
>   ------------------------------------------------------------
>   perf_event_attr:
>     type                             0 (PERF_TYPE_HARDWARE)
>     config                           0xb00000000
>     disabled                         1
>   ------------------------------------------------------------
>   sys_perf_event_open: pid 0  cpu -1  group_fd -1  flags 0x8 = 4
>   Opening: unknown-hardware:HG
>   ------------------------------------------------------------
>   perf_event_attr:
>     type                             0 (PERF_TYPE_HARDWARE)
>     config                           0xa00000000
>     disabled                         1
>   ------------------------------------------------------------
>   sys_perf_event_open: pid 0  cpu -1  group_fd -1  flags 0x8 = 5
>   non matching sample_type
>   FAILED tests/topology.c:73 can't get session
>   ---- end ----
>   Session topology: FAILED!
> 
> [...]

Applied to perf-tools-next, thanks!

Best regards,
-- 
Namhyung Kim <namhyung@...nel.org>