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perf test: Add perf_event_attr test for Arm SPE

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Adds a perf_event_attr test for Arm SPE in which the presence of
physical addresses are checked when SPE unit is run with pa_enable=1.

Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Timothy Hayes <timothy.hayes@arm.com>
Tested-by: Leo Yan <leo.yan@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: John Garry <john.garry@huawei.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: netdev@vger.kernel.org
Link: https://lore.kernel.org/r/20220421165205.117662-4-timothy.hayes@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Timothy Hayes 2022-04-21 17:52:05 +01:00 committed by Arnaldo Carvalho de Melo
parent 7599b70a3c
commit 3b9a8c8b9a
2 changed files with 13 additions and 0 deletions
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1
tools/perf/tests/attr/README
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@ -60,6 +60,7 @@ Following tests are defined (with perf commands):
perf record -R kill (test-record-raw)
perf record -c 2 -e arm_spe_0// -- kill (test-record-spe-period)
perf record -e arm_spe_0/period=3/ -- kill (test-record-spe-period-term)
perf record -e arm_spe_0/pa_enable=1/ -- kill (test-record-spe-physical-address)
perf stat -e cycles kill (test-stat-basic)
perf stat kill (test-stat-default)
perf stat -d kill (test-stat-detailed-1)

12
tools/perf/tests/attr/test-record-spe-physical-address Normal file
View File

@ -0,0 +1,12 @@
[config]
command = record
args = --no-bpf-event -e arm_spe_0/pa_enable=1/ -- kill >/dev/null 2>&1
ret = 1
arch = aarch64
[event-10:base-record-spe]
# 622727 is the decimal of IP|TID|TIME|CPU|IDENTIFIER|DATA_SRC|PHYS_ADDR
sample_type=622727
# dummy event
[event-1:base-record-spe]