On Fri, 17 Aug 2018 01:43:49 +0900 Masami Hiramatsu mhiramat@kernel.org wrote:
Add a testcase for tracing output format using trace_marker. This tests raw, hex and bin format output.
I'd like to deprecate these formats. They are useless ever since we implemented trace_pipe_raw.
Let's not add this test.
Thanks,
-- Steve
Signed-off-by: Masami Hiramatsu mhiramat@kernel.org
.../ftrace/test.d/00basic/print_format.tc | 51 ++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/00basic/print_format.tc
diff --git a/tools/testing/selftests/ftrace/test.d/00basic/print_format.tc b/tools/testing/selftests/ftrace/test.d/00basic/print_format.tc new file mode 100644 index 000000000000..55feb542e83e --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/00basic/print_format.tc @@ -0,0 +1,51 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL2.0 +# description: Change print trace format
+if [ ! -f trace_marker ]; then
- echo "trace_marker is not supported, can not continue testing"
- exit_unresolved
+fi
+do_reset() {
- if [ `cat options/bin` -eq 1 ]; then
- grep -v "^#" trace | od -h | cut -f 2- -d " " | xargs echo
- fi
- echo 0 > options/hex
- echo 0 > options/raw
- echo 0 > options/bin
- cat trace
- exit 1
+}
+echo > trace +echo "abcdefgh" > trace_marker +echo 0 > tracing_on
+: "Get the pid and cpu#" +IDS=`grep -v "^#" trace | sed -e 's/[[:space:]]*.*-([[:digit:]]*)[[:space:]]*[([[:digit:]]*)].*/\1 \2/'`
+read_pid_cpu() {
- _PID=$1
- _CPU=`printf "%d" $2`
+}
+read_pid_cpu $IDS
+: "Test raw output format" +echo 1 > options/raw +grep -v "^#" trace | grep "^$_PID $_CPU" || do_reset +echo 0 > options/raw
+: "Test hex output format" +echo 1 > options/hex +PAT=`printf "%08x %08x" $_PID $_CPU` +grep -v "^#" trace | grep "^$PAT" || do_reset +echo 0 > options/hex
+: "Test bin output format" +echo 1 > options/bin +PAT=`printf "%04x [[:xdigit:]]* [[:xdigit:]]*%02x" $_PID $_CPU` +# Make a stream of hexdump +grep -v "^#" trace | od -h | cut -f 2- -d " " | xargs echo | grep "$PAT" || do_reset +echo 0 > options/bin