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Sat, 06 Nov 2021 06:47:33 -0700 (PDT) Received: from leoy-ThinkPad-X240s ([134.195.101.46]) by smtp.gmail.com with ESMTPSA id z2sm11005889pfh.135.2021.11.06.06.47.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 06 Nov 2021 06:47:33 -0700 (PDT) Date: Sat, 6 Nov 2021 21:47:25 +0800 From: Leo Yan To: German Gomez Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, acme@kernel.org, James Clark , John Garry , Will Deacon , Mathieu Poirier , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 2/3] perf arm-spe: Save context ID in record Message-ID: <20211106134725.GI477387@leoy-ThinkPad-X240s> References: <20211102180739.18049-1-german.gomez@arm.com> <20211102180739.18049-3-german.gomez@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20211102180739.18049-3-german.gomez@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211106_102542_554536_B00E76F6 X-CRM114-Status: GOOD ( 18.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Nov 02, 2021 at 06:07:38PM +0000, German Gomez wrote: > This patch is to save context ID in record, this will be used to set TID > for samples. > > Signed-off-by: Leo Yan > Signed-off-by: James Clark > Signed-off-by: German Gomez > --- > tools/perf/util/arm-spe-decoder/arm-spe-decoder.c | 2 ++ > tools/perf/util/arm-spe-decoder/arm-spe-decoder.h | 1 + > 2 files changed, 3 insertions(+) > > 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 32fe41835..1b58859d2 100644 > --- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c > +++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c > @@ -151,6 +151,7 @@ static int arm_spe_read_record(struct arm_spe_decoder *decoder) > u64 payload, ip; > > memset(&decoder->record, 0x0, sizeof(decoder->record)); > + decoder->record.context_id = -1; Since 'context_id' is type u64, here it's good to assign '(u64)-1'. > while (1) { > err = arm_spe_get_next_packet(decoder); > @@ -180,6 +181,7 @@ static int arm_spe_read_record(struct arm_spe_decoder *decoder) > case ARM_SPE_COUNTER: > break; > case ARM_SPE_CONTEXT: > + decoder->record.context_id = payload; > break; > case ARM_SPE_OP_TYPE: > if (idx == SPE_OP_PKT_HDR_CLASS_LD_ST_ATOMIC) { > 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 59bdb7309..46a8556a9 100644 > --- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h > +++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h > @@ -38,6 +38,7 @@ struct arm_spe_record { > u64 timestamp; > u64 virt_addr; > u64 phys_addr; > + u64 context_id; > }; > > struct arm_spe_insn; > -- > 2.25.1 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel