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Thu, 09 Oct 2025 02:33:45 -0700 (PDT) Message-ID: Date: Thu, 9 Oct 2025 10:33:44 +0100 Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 14/25] perf arm_spe: Report memset and memcpy in records To: Leo Yan Cc: Arnaldo Carvalho de Melo , linux-perf-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Arnaldo Carvalho de Melo , Namhyung Kim , Jiri Olsa , Ian Rogers , Adrian Hunter References: <20250929-perf_support_arm_spev1-3-v1-0-1150b3c83857@arm.com> <20250929-perf_support_arm_spev1-3-v1-14-1150b3c83857@arm.com> Content-Language: en-US From: James Clark In-Reply-To: <20250929-perf_support_arm_spev1-3-v1-14-1150b3c83857@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 29/09/2025 5:37 pm, Leo Yan wrote: > Expose memset and memcpy related info in records. > > Signed-off-by: Leo Yan > --- > tools/perf/util/arm-spe-decoder/arm-spe-decoder.c | 4 ++++ > tools/perf/util/arm-spe-decoder/arm-spe-decoder.h | 4 +++- > 2 files changed, 7 insertions(+), 1 deletion(-) > > diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c > index 5b214fc4ca9f67cf11700a18939f37f4a5400b84..6f0390d4089599cd6bbf1357fa4cd6ec8190a58c 100644 > --- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c > +++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c > @@ -224,6 +224,10 @@ static int arm_spe_read_record(struct arm_spe_decoder *decoder) > decoder->record.op |= ARM_SPE_OP_PRED; > if (payload & SPE_OP_PKT_SVE_SG) > decoder->record.op |= ARM_SPE_OP_SG; > + } else if (SPE_OP_PKT_LDST_SUBCLASS_MEMCPY(payload)) { > + decoder->record.op |= ARM_SPE_OP_MEMCPY; > + } else if (SPE_OP_PKT_LDST_SUBCLASS_MEMSET(payload)) { > + decoder->record.op |= ARM_SPE_OP_MEMSET; > } > > break; > diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h > index 87d45c11ad7483c167b4d9cb2e481a001f54e5cc..565458a7a6cbd94d67803cc122154cb5cab4f308 100644 > --- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h > +++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h > @@ -43,7 +43,9 @@ enum arm_spe_op_type { > ARM_SPE_OP_NV_SYSREG = 1 << 10, > ARM_SPE_OP_SIMD_FP = 1 << 11, > ARM_SPE_OP_MTE_TAG = 1 << 12, > - ARM_SPE_OP_SVE = 1 << 13, > + ARM_SPE_OP_MEMCPY = 1 << 13, > + ARM_SPE_OP_MEMSET = 1 << 14, > + ARM_SPE_OP_SVE = 1 << 15, Same comment as patch 11 > > /* Assisted information for memory / SIMD */ > ARM_SPE_OP_LD = 1 << 20, >