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authorArnaldo Carvalho de Melo <acme@redhat.com>2011-01-11 13:58:54 -0500
committerArnaldo Carvalho de Melo <acme@redhat.com>2011-01-11 14:31:26 -0500
commit4ad9f594d7199c99f6b1b3ef88c64bd5920a4592 (patch)
tree29786c4cc76908f6313f1d9fc55088fde9e61597 /include/xen
parentcc841580aa58ad7498b23e282859d07f8b721e24 (diff)
Revert "perf tools: Emit clearer message for sys_perf_event_open ENOENT return"
This reverts commit aa7bc7ef73efc46d7c3a0e185eefaf85744aec98. It removed the fallback from hardware profiling to software profiling. .e.g., in a VM with no PMU. Reported-by: David Ahern <daahern@cisco.com> Cc: David Ahern <daahern@cisco.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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