[PATCH v2 4/5] perf report: Add --symbol-filter option

[Namhyung Kim]

Add new --symbol-filter command line option to set appropriate
filter string. Its short version is missing as I couldn't find
an ideal one and --filter option of perf record also has no
short version.

Signed-off-by: Namhyung Kim <namhyung.kim@xxxxxxx>
---
 tools/perf/builtin-report.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 8e91c6eba18a..80fb90741b64 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -50,6 +50,7 @@ struct perf_report {
 	const char		*pretty_printing_style;
 	symbol_filter_t		annotate_init;
 	const char		*cpu_list;
+	const char		*symbol_filter_str;
 	DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
 };
 
@@ -400,6 +401,9 @@ static int __cmd_report(struct perf_report *rep)
 	list_for_each_entry(pos, &session->evlist->entries, node) {
 		struct hists *hists = &pos->hists;
 
+		if (pos->idx == 0)
+			hists->symbol_filter_str = rep->symbol_filter_str;
+
 		hists__collapse_resort(hists);
 		hists__output_resort(hists);
 		nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
@@ -591,6 +595,8 @@ int cmd_report(int argc, const char **argv, const char *prefix __used)
 		   "only consider symbols in these comms"),
 	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
 		   "only consider these symbols"),
+	OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
+		   "only show symbols that (partially) match with this filter"),
 	OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
 		   "width[,width...]",
 		   "don't try to adjust column width, use these fixed values"),
-- 
1.7.9

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