Messages in this thread | | | Date | Mon, 11 Sep 2023 09:51:09 +0100 | Subject | Re: [PATCH] perf test: Update cs_etm testcase for Arm ETE | From | James Clark <> |
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On 11/09/2023 07:55, Ruidong Tian wrote: > Add ETE as one of the supported device types in perf cs_etm testcase. > > Signed-off-by: Ruidong Tian <tianruidong@linux.alibaba.com> > --- > tools/perf/tests/shell/test_arm_coresight.sh | 15 ++++++++++++++- > 1 file changed, 14 insertions(+), 1 deletion(-) > > diff --git a/tools/perf/tests/shell/test_arm_coresight.sh b/tools/perf/tests/shell/test_arm_coresight.sh > index f1bf5621160f..fe78c4626e45 100755 > --- a/tools/perf/tests/shell/test_arm_coresight.sh > +++ b/tools/perf/tests/shell/test_arm_coresight.sh > @@ -11,6 +11,19 @@ > > 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" $archpart)" = "0xA13" ] ; then > + echo "ete" > + else > + echo "etm" > + fi > +} > + > skip_if_no_cs_etm_event() { > perf list | grep -q 'cs_etm//' && return 0 > > @@ -136,7 +149,7 @@ arm_cs_iterate_devices() { > > arm_cs_etm_traverse_path_test() { > # Iterate for every ETM device > - for dev in /sys/bus/coresight/devices/etm*; do > + for dev in /sys/bus/coresight/devices/$(cs_etm_dev_name)*; do > > # Find the ETM device belonging to which CPU > cpu=`cat $dev/cpu`
Reviewed-by: James Clark <james.clark@arm.com>
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