perf report: Add --hide-unresolved/-U command line option
Useful to match the 'overhead' column in 'perf report' with the 'baseline' one in 'perf diff'. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1262047716-23171-3-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -34,6 +34,7 @@
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static char const *input_name = "perf.data";
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static int force;
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static bool hide_unresolved;
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static int show_threads;
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static struct perf_read_values show_threads_values;
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@ -121,7 +122,7 @@ static int process_sample_event(event_t *event, struct perf_session *session)
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return -1;
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}
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if (al.filtered)
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if (al.filtered || (hide_unresolved && al.sym == NULL))
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return 0;
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if (perf_session__add_hist_entry(session, &al, data.callchain, data.period)) {
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@ -342,6 +343,8 @@ static const struct option options[] = {
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OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
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"separator for columns, no spaces will be added between "
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"columns '.' is reserved."),
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OPT_BOOLEAN('U', "hide-unresolved", &hide_unresolved,
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"Only display entries resolved to a symbol"),
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OPT_END()
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};
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