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Date:   Thu, 5 Jan 2023 13:27:30 -0300
From:   Arnaldo Carvalho de Melo <acme@kernel.org>
To:     Ravi Bangoria <ravi.bangoria@amd.com>
Cc:     Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
        Ian Rogers <irogers@google.com>,
        linux-perf-users <linux-perf-users@vger.kernel.org>
Subject: Re: [BUG] perf kmem: Broken because of missing tracepoints
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Em Thu, Jan 05, 2023 at 07:03:25PM +0530, Ravi Bangoria escreveu:
> Hello,
> 
> Two tracepoints, kmem:kmalloc_node and kmem:kmem_cache_alloc_node used by perf-
> kmem tool were removed from kernel by commit 11e9734bcb6a7 ("mm/slab_common:
> unify NUMA and UMA version of tracepoints"). This causes issue while running
> perf kmem on latest kernel:
> 
>   $ sudo ./perf kmem record
>   event syntax error: 'kmem:kmalloc_node'
>                        \___ unknown tracepoint
> 
>   $ sudo ./perf kmem record
>   event syntax error: 'kmem:kmem_cache_alloc_node'
>                        \___ unknown tracepoint
> 
> Haven't got a chance to debug further. Anyone aware of this?

I didn't notice this so far, would be good to have a fix soon.

Thanks,

- Arnaldo