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-rwxr-xr-xtools/perf/tests/shell/test_arm_coresight.sh17
1 files changed, 3 insertions, 14 deletions
diff --git a/tools/perf/tests/shell/test_arm_coresight.sh b/tools/perf/tests/shell/test_arm_coresight.sh
index fe78c4626e45..65dd85207125 100755
--- a/tools/perf/tests/shell/test_arm_coresight.sh
+++ b/tools/perf/tests/shell/test_arm_coresight.sh
@@ -11,19 +11,6 @@
glb_err=0
-cs_etm_dev_name() {
- cs_etm_path=$(find /sys/bus/event_source/devices/cs_etm/ -name cpu* -print -quit)
- trcdevarch=$(cat ${cs_etm_path}/mgmt/trcdevarch)
- archhver=$((($trcdevarch >> 12) & 0xf))
- archpart=$(($trcdevarch & 0xfff))
-
- if [ $archhver -eq 5 -a "$(printf "0x%X\n" $archpart)" = "0xA13" ] ; then
- echo "ete"
- else
- echo "etm"
- fi
-}
-
skip_if_no_cs_etm_event() {
perf list | grep -q 'cs_etm//' && return 0
@@ -149,7 +136,9 @@ arm_cs_iterate_devices() {
arm_cs_etm_traverse_path_test() {
# Iterate for every ETM device
- for dev in /sys/bus/coresight/devices/$(cs_etm_dev_name)*; do
+ for dev in /sys/bus/event_source/devices/cs_etm/cpu*; do
+ # Canonicalize the path
+ dev=`readlink -f $dev`
# Find the ETM device belonging to which CPU
cpu=`cat $dev/cpu`