forked from luck/tmp_suning_uos_patched
perf annotate: Make it to be able to skip unannotatable symbols
Add --skip-missing option for skipping symbols that cannot be used for annotation. It's the case of kernel symbols that user doesn't have a vmlinux image file. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1360227734-375-8-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -90,6 +90,9 @@ OPTIONS
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--objdump=<path>::
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Path to objdump binary.
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--skip-missing::
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Skip symbols that cannot be annotated.
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SEE ALSO
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--------
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linkperf:perf-record[1], linkperf:perf-report[1]
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@ -37,6 +37,7 @@ struct perf_annotate {
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bool force, use_tui, use_stdio, use_gtk;
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bool full_paths;
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bool print_line;
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bool skip_missing;
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const char *sym_hist_filter;
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const char *cpu_list;
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DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
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@ -139,11 +140,21 @@ static void hists__find_annotations(struct hists *self, int evidx,
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}
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if (use_browser == 2) {
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hist_entry__gtk_annotate(he, evidx, NULL);
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return;
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int ret;
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ret = hist_entry__gtk_annotate(he, evidx, NULL);
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if (!ret || !ann->skip_missing)
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return;
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/* skip missing symbols */
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nd = rb_next(nd);
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} else if (use_browser == 1) {
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key = hist_entry__tui_annotate(he, evidx, NULL);
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switch (key) {
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case -1:
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if (!ann->skip_missing)
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return;
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/* fall through */
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case K_RIGHT:
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next = rb_next(nd);
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break;
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@ -288,6 +299,8 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused)
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"print matching source lines (may be slow)"),
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OPT_BOOLEAN('P', "full-paths", &annotate.full_paths,
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"Don't shorten the displayed pathnames"),
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OPT_BOOLEAN(0, "skip-missing", &annotate.skip_missing,
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"Skip symbols that cannot be annotated"),
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OPT_STRING('C', "cpu", &annotate.cpu_list, "cpu", "list of cpus to profile"),
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OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
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"Look for files with symbols relative to this directory"),
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