[for-next][PATCH 04/17] selftests: ftrace: Add --quiet option not to show error logs on screen

[Steven Rostedt]

From: Masami Hiramatsu <mhira...@kernel.org>

Since the verbose error logs scrolls out previous test results
--quiet option suppress to show such message.

e.g.
 # ./ftracetest -q
=== Ftrace unit tests ===
[1] Basic trace file check      [PASS]
[2] Basic test for tracers      [PASS]
[3] Basic trace clock test      [PASS]
[4] Basic event tracing check   [PASS]
[5] event tracing - enable/disable with event level files       [PASS]
[6] event tracing - restricts events based on pid       [PASS]
[7] event tracing - enable/disable with subsystem level files   [PASS]
[8] event tracing - enable/disable with top level files [PASS]
[9] ftrace - function graph filters with stack tracer   [UNSUPPORTED]
[10] ftrace - function graph filters    [UNSUPPORTED]
[11] ftrace - function profiler with function tracing   [UNSUPPORTED]
[12] Test creation and deletion of trace instances while setting an event
        [PASS]
[13] Test creation and deletion of trace instances      [PASS]
[14] Kprobe dynamic event - adding and removing [UNSUPPORTED]
[15] Kprobe dynamic event - busy event check    [UNSUPPORTED]
[16] Kprobe dynamic event with arguments        [UNSUPPORTED]
[17] Kprobe dynamic event with function tracer  [UNSUPPORTED]
[18] Kretprobe dynamic event with arguments     [UNSUPPORTED]
[19] event trigger - test event enable/disable trigger  [PASS]
[20] event trigger - test trigger filter        [PASS]
[21] event trigger - test histogram modifiers   [UNSUPPORTED]
[22] event trigger - test histogram trigger     [UNSUPPORTED]
[23] event trigger - test multiple histogram triggers   [UNSUPPORTED]
[24] event trigger - test snapshot-trigger      [FAIL]
[25] event trigger - test stacktrace-trigger    [PASS]
[26] event trigger - test traceon/off trigger   [PASS]

# of passed:  14
# of failed:  1
# of unresolved:  0
# of untested:  0
# of unsupported:  11
# of xfailed:  0
# of undefined(test bug):  0

Link: 
http://lkml.kernel.org/r/147928399712.22982.8284640390982775052.stgit@devbox

Signed-off-by: Masami Hiramatsu <mhira...@kernel.org>
Signed-off-by: Steven Rostedt <rost...@goodmis.org>
---
 tools/testing/selftests/ftrace/ftracetest | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/ftrace/ftracetest 
b/tools/testing/selftests/ftrace/ftracetest
index a03d366a4a2f..d08235f65202 100755
--- a/tools/testing/selftests/ftrace/ftracetest
+++ b/tools/testing/selftests/ftrace/ftracetest
@@ -14,6 +14,7 @@ echo " Options:"
 echo "         -h|--help  Show help message"
 echo "         -k|--keep  Keep passed test logs"
 echo "         -v|--verbose Show all stdout messages in testcases"
+echo "         -q|--quiet Do not show error log on stdout"
 echo "         -d|--debug Debug mode (trace all shell commands)"
 exit $1
 }
@@ -58,6 +59,10 @@ parse_opts() { # opts
       VERBOSE=1
       shift 1
     ;;
+    --quiet|-q)
+      BE_QUIET=1
+      shift 1
+    ;;
     --debug|-d)
       DEBUG=1
       shift 1
@@ -101,6 +106,7 @@ LOG_DIR=$TOP_DIR/logs/`date +%Y%m%d-%H%M%S`/
 KEEP_LOG=0
 DEBUG=0
 VERBOSE=0
+BE_QUIET=0
 # Parse command-line options
 parse_opts $*
 
@@ -249,7 +255,7 @@ run_test() { # testfile
     # Remove test log if the test was done as it was expected.
     [ $KEEP_LOG -eq 0 ] && rm $testlog
   else
-    catlog $testlog
+    [ $BE_QUIET -eq 0 ] && catlog $testlog
     TOTAL_RESULT=1
   fi
 }
-- 
2.10.2