perf evlist: Fix parsing with no sample_id_all bit set
The perf_evlist__event2evsel() is changed to handle non-sample events (such as mmap events) that have no id sample appended i.e. when sample_id_all is not set. Note that such events have a fixed format, so that the selected event (evsel) they are associated with is immaterial. Signed-off-by: NAdrian Hunter <adrian.hunter@intel.com> Tested-by: NDavid Ahern <dsahern@gmail.com> Acked-by: NDavid Ahern <dsahern@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1378325897-3840-3-git-send-email-adrian.hunter@intel.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
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