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authorKan Liang2014-10-07 11:08:50 -0400
committerArnaldo Carvalho de Melo2014-10-15 16:05:01 -0300
commitdcb4e1022b40d886027500821a592dd8f8ccde8f (patch)
tree45db2ff649f7a4b447e8274e307d001a468c07f0 /tools/firewire
parent42f60c2d63b0d3f7230d28ac37c1da4885d4ee65 (diff)
perf tools: Parse the pmu event prefix and suffix
There are two types of event formats for PMU events. E.g. el-abort OR cpu/el-abort/. However, the lexer mistakenly recognizes the simple style format as two events. The parse_events_pmu_check function uses bsearch to search the name in known pmu event list. It can tell the lexer that the name is a PE_NAME or a PMU event name prefix or a PMU event name suffix. All these information will be used for accurately parsing kernel PMU events. The pmu events list will be read from sysfs at runtime. Note: Currently, the patch only want to handle the PMU event name as "a-b" and "a". The only exception, "stalled-cycles-frontend" and "stalled-cycles-fronted", are already hardcoded in lexer. Signed-off-by: Kan Liang <kan.liang@intel.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1412694532-23391-3-git-send-email-kan.liang@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/firewire')
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