Test scripts can call hda_dynamic_debug_enable and
hda_dynamic_debug_disable to enable/disable snd_hda_intel and
snd_hda_core debug messages. The dynamic debug will be disabled
automatically at test end by the exit handler.
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
tests/drm_lib.sh | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/tests/drm_lib.sh b/tests/drm_lib.sh
index 87e3ad0ab547..8738827fc218 100755
--- a/tests/drm_lib.sh
+++ b/tests/drm_lib.sh
@@ -5,6 +5,22 @@ SOURCE_DIR="$( dirname "${BASH_SOURCE[0]}" )"
NAME=$(basename "$0")
+dynamic_debug=
+
+hda_dynamic_debug_enable() {
+ if [ -e "$dynamic_debug" ]; then
+ echo -n "module snd_hda_intel +pf" > $dynamic_debug
+ echo -n "module snd_hda_core +pf" > $dynamic_debug
+ fi
+}
+
+hda_dynamic_debug_disable() {
+ if [ -e "$dynamic_debug" ]; then
+ echo -n "module snd_hda_core =_" > $dynamic_debug
+ echo -n "module snd_hda_intel =_" > $dynamic_debug
+ fi
+}
+
KERN_EMER="<0>"
KERN_ALERT="<1>"
KERN_CRIT="<2>"
@@ -20,6 +36,7 @@ kmsg() {
finish() {
exitcode=$?
+ hda_dynamic_debug_disable
kmsg "$KERN_INFO$NAME: exiting, ret=$exitcode"
exit $exitcode
}
@@ -49,6 +66,11 @@ else
skip "debugfs not found"
fi
+dynamic_debug=$debugfs_path/dynamic_debug/control
+if [ ! -e "$dynamic_debug" ]; then
+ echo "WARNING: dynamic debug control not available"
+fi
+
if [ ! -d $debugfs_path/dri ]; then
skip "dri debugfs not found"
fi
--
2.1.4
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