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Message-ID: <563924f6-190a-6a2a-b6ee-e77759e74c4d@arm.com>
Date: Mon, 9 Jan 2023 15:22:12 +0000
From: James Clark <james.clark@....com>
To: Leo Yan <leo.yan@...aro.org>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>,
Ravi Bangoria <ravi.bangoria@....com>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Vlastimil Babka <vbabka@...e.cz>,
Hyeonggon Yoo <42.hyeyoo@...il.com>,
linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] perf kmem: Support field "node" in
evsel__process_alloc_event()
On 08/01/2023 06:24, Leo Yan wrote:
> Commit 11e9734bcb6a ("mm/slab_common: unify NUMA and UMA version of
> tracepoints") adds the field "node" into the tracepoints 'kmalloc' and
> 'kmem_cache_alloc', so this patch modifies the event process function to
> support the field "node".
>
> If field "node" is existed by checking function evsel__field(), it stats
> the cross allocation.
>
> When the "node" value is NUMA_NO_NODE (-1), it means the memory can be
> allocated from any memory node, in this case, we don't account it as a
> cross allocation.
>
> After support the field "node" in evsel__process_alloc_event(),
> evsel__process_alloc_node_event() is duplicate with the previous one,
> so removes evsel__process_alloc_node_event().
>
> Reported-by: Ravi Bangoria <ravi.bangoria@....com>
> Fixes: 11e9734bcb6a ("mm/slab_common: unify NUMA and UMA version of tracepoints")
> Signed-off-by: Leo Yan <leo.yan@...aro.org>
> ---
> tools/perf/builtin-kmem.c | 36 ++++++++++++++++++++++++------------
> 1 file changed, 24 insertions(+), 12 deletions(-)
>
Reviewed-by: James Clark <james.clark@....com>
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