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    Subject[PATCH v2 31/32] selftests/ftrace: Add output format testcase
    Date
    Add a testcase for tracing output format using trace_marker.
    This tests raw, hex and bin format output.

    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
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