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authorRavi Bangoria <ravi.bangoria@amd.com>2023-06-30 10:52:30 +0200
committerNamhyung Kim <namhyung@kernel.org>2023-07-02 02:57:43 +0200
commitb2ad9549bfd0c1f74287492a9d9a31a03c97f088 (patch)
tree80d55891f84779cd4368673fd89220912da92cbf /.get_maintainer.ignore
parentperf: unwind: Fix symfs with libdw (diff)
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perf evsel amd: Fix IBS error message
AMD IBS can do per-process profiling[1] and is no longer restricted to per-cpu or systemwide only. Remove stale error message. Also, checking just exclude_kernel is not sufficient since IBS does not support any privilege filters. So include all exclude_* checks. And finally, move these checks under tools/perf/arch/x86/ from generic code. Before: $ sudo ./perf record -e ibs_op//k -C 0 Error: AMD IBS may only be available in system-wide/per-cpu mode. Try using -a, or -C and workload affinity After: $ sudo ./perf record -e ibs_op//k -C 0 Error: AMD IBS doesn't support privilege filtering. Try again without the privilege modifiers (like 'k') at the end. [1] https://git.kernel.org/torvalds/c/30093056f7b2 Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: ananth.narayan@amd.com Cc: sandipan.das@amd.com Cc: santosh.shukla@amd.com Cc: irogers@google.com Cc: peterz@infradead.org Cc: adrian.hunter@intel.com Cc: acme@kernel.org Cc: jolsa@kernel.org Link: https://lore.kernel.org/r/20230630085230.437-1-ravi.bangoria@amd.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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