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selftests/ftrace: Strip escape sequences for log file

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Strip escape sequences from the stream to the ftracetest
summary log file. Note that all test-case results are
dumped raw in each file.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
This commit is contained in:
Masami Hiramatsu 2018-10-17 12:33:23 +09:00 committed by Shuah Khan (Samsung OSG)
parent 8096fbcf55
commit f73581f8d9
1 changed files with 9 additions and 2 deletions
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11
tools/testing/selftests/ftrace/ftracetest
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@ -167,11 +167,18 @@ if [ -t 1 -a "$ncolors" -a "$ncolors" -ge 8 ]; then
color_blue="\e[34m"
fi
strip_esc() {
# busybox sed implementation doesn't accept "\x1B", so use [:cntrl:] instead.
sed -E "s/[[:cntrl:]]\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g"
}
prlog() { # messages
[ -z "$LOG_FILE" ] && echo -e "$@" || echo -e "$@" | tee -a $LOG_FILE
echo -e "$@"
[ "$LOG_FILE" ] && echo -e "$@" | strip_esc >> $LOG_FILE
}
catlog() { #file
[ -z "$LOG_FILE" ] && cat $1 || cat $1 | tee -a $LOG_FILE
cat $1
[ "$LOG_FILE" ] && cat $1 | strip_esc >> $LOG_FILE
}
prlog "=== Ftrace unit tests ==="