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SubjectRe: [PATCH 7/7] perf annotate: Make it to be able to skip unannotatable symbols
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Hi Arnaldo,

On Mon, 4 Feb 2013 22:12:47 -0300, Arnaldo Carvalho de Melo wrote:
> Em Thu, Feb 07, 2013 at 06:02:14PM +0900, Namhyung Kim escreveu:
>> From: Namhyung Kim <namhyung.kim@lge.com>
>>
>> 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>
>> ---
>> tools/perf/builtin-annotate.c | 17 +++++++++++++++--
>
> You forgot to add the entry in the man page...

Arghh... resending..


---------------------8<-----------------------
From 797a62666d6098aaeda816279fa9181473762dc6 Mon Sep 17 00:00:00 2001
From: Namhyung Kim <namhyung.kim@lge.com>
Date: Thu, 7 Feb 2013 17:37:03 +0900
Subject: [PATCH v2 7/7] 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>
---
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>::
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"),
--
1.7.11.7


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