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-rw-r--r--tools/testing/selftests/ftrace/test.d/functions12
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
index 7b96e80e6b8a..779ec11f61bd 100644
--- a/tools/testing/selftests/ftrace/test.d/functions
+++ b/tools/testing/selftests/ftrace/test.d/functions
@@ -109,3 +109,15 @@ LOCALHOST=127.0.0.1
yield() {
ping $LOCALHOST -c 1 || sleep .001 || usleep 1 || sleep 1
}
+
+ftrace_errlog_check() { # err-prefix command-with-error-pos-by-^ command-file
+ pos=$(echo -n "${2%^*}" | wc -c) # error position
+ command=$(echo "$2" | tr -d ^)
+ echo "Test command: $command"
+ echo > error_log
+ (! echo "$command" > "$3" ) 2> /dev/null
+ grep "$1: error:" -A 3 error_log
+ N=$(tail -n 1 error_log | wc -c)
+ # " Command: " and "^\n" => 13
+ test $(expr 13 + $pos) -eq $N
+}