Re: [PATCH 2/2] perf kmem: Support field "node" in evsel__process_alloc_event()

From: James Clark
Date: Mon Jan 09 2023 - 10:23:04 EST




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@xxxxxxx>
> Fixes: 11e9734bcb6a ("mm/slab_common: unify NUMA and UMA version of tracepoints")
> Signed-off-by: Leo Yan <leo.yan@xxxxxxxxxx>
> ---
> tools/perf/builtin-kmem.c | 36 ++++++++++++++++++++++++------------
> 1 file changed, 24 insertions(+), 12 deletions(-)
>

Reviewed-by: James Clark <james.clark@xxxxxxx>