perf/trace/scripting: don't show script start/stop messages by default

Only print the script start/stop messages in verbose mode - users
normally don't care and it just clutters up the output.

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
LKML-Reference: <1273466820-9330-7-git-send-email-tzanussi@gmail.com>
Signed-off-by: Tom Zanussi <tzanussi@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

3 files changed, 3 insertions, 7 deletions

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 6e268ca761e9..95fcb0517a9d 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -53,6 +53,8 @@ static void setup_scripting(void)
 
 static int cleanup_scripting(void)
 {
+        pr_debug("\nperf trace script stopped\n");
+
         return scripting_ops->stop_script();
 }
 
@@ -703,6 +705,7 @@ int cmd_trace(int argc, const char **argv, const char *prefix __used)
                 err = scripting_ops->start_script(script_name, argc, argv);
                 if (err)
                         goto out;
+                pr_debug("perf trace started with script %s\n\n", script_name);
         }
 
         err = __cmd_trace(session);
diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c
index 5376378e0cfc..b059dc50cc2d 100644
--- a/tools/perf/util/scripting-engines/trace-event-perl.c
+++ b/tools/perf/util/scripting-engines/trace-event-perl.c
@@ -371,7 +371,6 @@ static int perl_start_script(const char *script, int argc, const char **argv)
         run_start_sub();
 
         free(command_line);
-        fprintf(stderr, "perf trace started with Perl script %s\n\n", script);
         return 0;
 error:
         perl_free(my_perl);
@@ -394,8 +393,6 @@ static int perl_stop_script(void)
         perl_destruct(my_perl);
         perl_free(my_perl);
 
-        fprintf(stderr, "\nperf trace Perl script stopped\n");
-
         return 0;
 }
 
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 6a72f14c5986..81f39cab3aaa 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -374,8 +374,6 @@ static int python_start_script(const char *script, int argc, const char **argv)
         }
 
         free(command_line);
-        fprintf(stderr, "perf trace started with Python script %s\n\n",
-                script);
 
         return err;
 error:
@@ -407,8 +405,6 @@ out:
         Py_XDECREF(main_module);
         Py_Finalize();
 
-        fprintf(stderr, "\nperf trace Python script stopped\n");
-
         return err;
 }