Commit 3b9a8c8b authored by Timothy Hayes's avatar Timothy Hayes Committed by Arnaldo Carvalho de Melo
Browse files

perf test: Add perf_event_attr test for Arm SPE 



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: default avatarLeo Yan <leo.yan@linaro.org>
Signed-off-by: default avatarTimothy Hayes <timothy.hayes@arm.com>
Tested-by: default avatarLeo 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 7599b70a

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)

tools/perf/tests/attr/test-record-spe-physical-address

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+12 −0
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[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]
 
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