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perf test: Skip watchpoint tests if no watchpoints available

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On IBM Power9, perf watchpoint tests fail since no hardware breakpoints
are available. Detect this by checking the error returned by
perf_event_open() and skip the tests in that case.

Reported-by: Disha Goel <disgoel@linux.vnet.ibm.com>
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Reviewed-by: Kajol Jain<kjain@linux.ibm.com>
Tested-by: Kajol Jain<kjain@linux.ibm.com>
Link: https://lore.kernel.org/r/20221121102747.208289-1-naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-perf-users@vger.kernel.org
This commit is contained in:
Naveen N. Rao 2022-11-21 15:57:47 +05:30 • committed by Arnaldo Carvalho de Melo
commit 7d54a4acd8
1 changed files with 7 additions and 5 deletions
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