From 18c9e5c567e1bc475edc67dca3680ecd2562dc5c Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Thu, 7 Feb 2013 18:02:14 +0900 Subject: [PATCH] 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 Cc: Andi Kleen Cc: Borislav Petkov Cc: Ingo Molnar Cc: Jiri Olsa Cc: Paul Mackerras Cc: Pekka Enberg Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1360227734-375-8-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-annotate.txt | 3 +++ tools/perf/builtin-annotate.c | 17 +++++++++++++++-- 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt index e5e1d06efc37..5ad07ef417f0 100644 --- a/tools/perf/Documentation/perf-annotate.txt +++ b/tools/perf/Documentation/perf-annotate.txt @@ -90,6 +90,9 @@ OPTIONS --objdump=:: Path to objdump binary. +--skip-missing:: + Skip symbols that cannot be annotated. + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-report[1] diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 68e3a16abd3d..2e6961ea3184 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -37,6 +37,7 @@ struct perf_annotate { bool force, use_tui, use_stdio, use_gtk; bool full_paths; bool print_line; + bool skip_missing; const char *sym_hist_filter; const char *cpu_list; DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); @@ -139,11 +140,21 @@ find_next: } if (use_browser == 2) { - hist_entry__gtk_annotate(he, evidx, NULL); - return; + int ret; + + ret = hist_entry__gtk_annotate(he, evidx, NULL); + if (!ret || !ann->skip_missing) + return; + + /* skip missing symbols */ + nd = rb_next(nd); } else if (use_browser == 1) { key = hist_entry__tui_annotate(he, evidx, NULL); switch (key) { + case -1: + if (!ann->skip_missing) + return; + /* fall through */ case K_RIGHT: next = rb_next(nd); break; @@ -288,6 +299,8 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused) "print matching source lines (may be slow)"), OPT_BOOLEAN('P', "full-paths", &annotate.full_paths, "Don't shorten the displayed pathnames"), + OPT_BOOLEAN(0, "skip-missing", &annotate.skip_missing, + "Skip symbols that cannot be annotated"), OPT_STRING('C', "cpu", &annotate.cpu_list, "cpu", "list of cpus to profile"), OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", "Look for files with symbols relative to this directory"), -- 2.20.1