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perf test: Output the sub testing result in cs-etm

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The CoreSight testing contains sub cases, e.g. every CPU iterates the
possible conntected sinks and tests the paths between the associated ETM
with the found sink.  Besides the per-thread testing, it also contains
system wide testing and snapshot testing.

To easier observe results for the sub cases, this patch introduces a new
function arm_cs_report(), it outputs the result as "PASS" or "FAIL" for
every sub case; and it records the error in the variable "glb_err" which
is used as the final return value when exits the testing.

Before:

  # perf test 73 -v
  73: Check Arm CoreSight trace data recording and synthesized samples:
  --- start ---
  test child forked, pid 17423
  Recording trace (only user mode) with path: CPU0 => tmc_etf0
  Looking at perf.data file for dumping branch samples:
  Looking at perf.data file for reporting branch samples:
  Looking at perf.data file for instruction samples:
  Recording trace (only user mode) with path: CPU0 => tmc_etr0
  Looking at perf.data file for dumping branch samples:
  Looking at perf.data file for reporting branch samples:
  Looking at perf.data file for instruction samples:

  [...]

After:

  # perf test 73 -v
  73: Check Arm CoreSight trace data recording and synthesized samples:
  --- start ---
  test child forked, pid 17423
  Recording trace (only user mode) with path: CPU0 => tmc_etf0
  Looking at perf.data file for dumping branch samples:
  Looking at perf.data file for reporting branch samples:
  Looking at perf.data file for instruction samples:
  CoreSight path testing (CPU0 -> tmc_etf0): PASS
  Recording trace (only user mode) with path: CPU0 => tmc_etr0
  Looking at perf.data file for dumping branch samples:
  Looking at perf.data file for reporting branch samples:
  Looking at perf.data file for instruction samples:
  CoreSight path testing (CPU0 -> tmc_etr0): PASS
  [...]

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Basil Eljuse <basil.eljuse@arm.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Link: http://lore.kernel.org/lkml/20210215115944.535986-3-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Leo Yan 2021-02-15 19:59:44 +08:00 committed by Arnaldo Carvalho de Melo
parent 46355e3d79
commit 11d45d4fb9
1 changed files with 14 additions and 10 deletions
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24
tools/perf/tests/shell/test_arm_coresight.sh
View File

@ -11,6 +11,7 @@
perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
file=$(mktemp /tmp/temporary_file.XXXXX)
glb_err=0
skip_if_no_cs_etm_event() {
perf list | grep -q 'cs_etm//' && return 0
@ -69,6 +70,15 @@ perf_report_instruction_samples() {
egrep " +[0-9]+\.[0-9]+% +$1" > /dev/null 2>&1
}
arm_cs_report() {
if [ $2 != 0 ]; then
echo "$1: FAIL"
glb_err=$2
else
echo "$1: PASS"
fi
}
is_device_sink() {
# If the node of "enable_sink" is existed under the device path, this
# means the device is a sink device. Need to exclude 'tpiu' since it
@ -113,9 +123,7 @@ arm_cs_iterate_devices() {
perf_report_instruction_samples touch
err=$?
# Exit when find failure
[ $err != 0 ] && exit $err
arm_cs_report "CoreSight path testing (CPU$2 -> $device_name)" $err
fi
arm_cs_iterate_devices $dev $2
@ -143,9 +151,7 @@ arm_cs_etm_system_wide_test() {
perf_report_instruction_samples perf
err=$?
# Exit when find failure
[ $err != 0 ] && exit $err
arm_cs_report "CoreSight system wide testing" $err
}
arm_cs_etm_snapshot_test() {
@ -169,12 +175,10 @@ arm_cs_etm_snapshot_test() {
perf_report_instruction_samples dd
err=$?
# Exit when find failure
[ $err != 0 ] && exit $err
arm_cs_report "CoreSight snapshot testing" $err
}
arm_cs_etm_traverse_path_test
arm_cs_etm_system_wide_test
arm_cs_etm_snapshot_test
exit 0
exit $glb_err