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It tries cycles (or cpu-clock on s390) event with exclude_kernel bit to
open. But other arch on a VM can fail with the hardware event and need
to fallback to the software event in the same way.
So let's get rid of the cpuid check and use generic fallback mechanism
using an array of event candidates. Now event in the odd index excludes
the kernel so use that for the return value.
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: James Clark <james.clark@arm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: https://lore.kernel.org/r/20231103195541.67788-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
89d5c48c34