[tip:perf/urgent] perf list: Filter metrics too

[tip-bot for Andi Kleen]

Commit-ID:  6f40b2a5dac4b448fe1e8d94dc4238cd95cd5e34
Gitweb:     https://git.kernel.org/tip/6f40b2a5dac4b448fe1e8d94dc4238cd95cd5e34
Author:     Andi Kleen <ak@xxxxxxxxxxxxxxx>
AuthorDate: Thu, 14 Mar 2019 15:49:53 -0700
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 19 Mar 2019 11:56:19 -0300

perf list: Filter metrics too

When a filter is specified on the command line, filter the metrics too.

Before:

  % perf list foo
  List of pre-defined events (to be used in -e):

  Metric Groups:

  DSB:
    DSB_Coverage
         [Fraction of Uops delivered by the DSB (aka Decoded Icache; or Uop Cache)]
  ... more metrics ...

After:

% perf list foo

  List of pre-defined events (to be used in -e):

  Metric Groups:

Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>
LPU-Reference: 20190314225002.30108-1-andi@xxxxxxxxxxxxxx
Link: https://lkml.kernel.org/n/tip-1y8oi2s8c4jhjtykgs5zvda1@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/builtin-list.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c
index c9f98d00c0e9..a8394b4f1167 100644
--- a/tools/perf/builtin-list.c
+++ b/tools/perf/builtin-list.c
@@ -119,7 +119,7 @@ int cmd_list(int argc, const char **argv)
 						details_flag);
 			print_tracepoint_events(NULL, s, raw_dump);
 			print_sdt_events(NULL, s, raw_dump);
-			metricgroup__print(true, true, NULL, raw_dump, details_flag);
+			metricgroup__print(true, true, s, raw_dump, details_flag);
 			free(s);
 		}
 	}