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-rwxr-xr-xtools/testing/selftests/ftrace/ftracetest32
-rw-r--r--tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc9
2 files changed, 38 insertions, 3 deletions
diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest
index 063ecb290a5a..a4605b5ee66d 100755
--- a/tools/testing/selftests/ftrace/ftracetest
+++ b/tools/testing/selftests/ftrace/ftracetest
@@ -17,6 +17,7 @@ echo " -v|--verbose Increase verbosity of test messages"
echo " -vv Alias of -v -v (Show all results in stdout)"
echo " -vvv Alias of -v -v -v (Show all commands immediately)"
echo " --fail-unsupported Treat UNSUPPORTED as a failure"
+echo " --fail-unresolved Treat UNRESOLVED as a failure"
echo " -d|--debug Debug mode (trace all shell commands)"
echo " -l|--logdir <dir> Save logs on the <dir>"
echo " If <dir> is -, all logs output in console only"
@@ -29,8 +30,25 @@ err_ret=1
# kselftest skip code is 4
err_skip=4
+# cgroup RT scheduling prevents chrt commands from succeeding, which
+# induces failures in test wakeup tests. Disable for the duration of
+# the tests.
+
+readonly sched_rt_runtime=/proc/sys/kernel/sched_rt_runtime_us
+
+sched_rt_runtime_orig=$(cat $sched_rt_runtime)
+
+setup() {
+ echo -1 > $sched_rt_runtime
+}
+
+cleanup() {
+ echo $sched_rt_runtime_orig > $sched_rt_runtime
+}
+
errexit() { # message
echo "Error: $1" 1>&2
+ cleanup
exit $err_ret
}
@@ -39,6 +57,8 @@ if [ `id -u` -ne 0 ]; then
errexit "this must be run by root user"
fi
+setup
+
# Utilities
absdir() { # file_path
(cd `dirname $1`; pwd)
@@ -93,6 +113,10 @@ parse_opts() { # opts
UNSUPPORTED_RESULT=1
shift 1
;;
+ --fail-unresolved)
+ UNRESOLVED_RESULT=1
+ shift 1
+ ;;
--logdir|-l)
LOG_DIR=$2
shift 2
@@ -157,6 +181,7 @@ KEEP_LOG=0
DEBUG=0
VERBOSE=0
UNSUPPORTED_RESULT=0
+UNRESOLVED_RESULT=0
STOP_FAILURE=0
# Parse command-line options
parse_opts $*
@@ -235,6 +260,7 @@ TOTAL_RESULT=0
INSTANCE=
CASENO=0
+
testcase() { # testfile
CASENO=$((CASENO+1))
desc=`grep "^#[ \t]*description:" $1 | cut -f2 -d:`
@@ -260,7 +286,7 @@ eval_result() { # sigval
$UNRESOLVED)
prlog " [${color_blue}UNRESOLVED${color_reset}]"
UNRESOLVED_CASES="$UNRESOLVED_CASES $CASENO"
- return 1 # this is a kind of bug.. something happened.
+ return $UNRESOLVED_RESULT # depends on use case
;;
$UNTESTED)
prlog " [${color_blue}UNTESTED${color_reset}]"
@@ -273,7 +299,7 @@ eval_result() { # sigval
return $UNSUPPORTED_RESULT # depends on use case
;;
$XFAIL)
- prlog " [${color_red}XFAIL${color_reset}]"
+ prlog " [${color_green}XFAIL${color_reset}]"
XFAILED_CASES="$XFAILED_CASES $CASENO"
return 0
;;
@@ -406,5 +432,7 @@ prlog "# of unsupported: " `echo $UNSUPPORTED_CASES | wc -w`
prlog "# of xfailed: " `echo $XFAILED_CASES | wc -w`
prlog "# of undefined(test bug): " `echo $UNDEFINED_CASES | wc -w`
+cleanup
+
# if no error, return 0
exit $TOTAL_RESULT
diff --git a/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc b/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc
index cbd174334a48..2b82c80edf69 100644
--- a/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc
+++ b/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc
@@ -17,7 +17,14 @@ unsup() { #msg
exit_unsupported
}
-modprobe $MOD || unsup "$MOD module not available"
+unres() { #msg
+ reset_tracer
+ rmmod $MOD || true
+ echo $1
+ exit_unresolved
+}
+
+modprobe $MOD || unres "$MOD module not available"
rmmod $MOD
grep -q "preemptoff" available_tracers || unsup "preemptoff tracer not enabled"