From patchwork Mon Feb 17 19:59:06 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leo Yan X-Patchwork-Id: 13978596 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3B75FC021A9 for ; Mon, 17 Feb 2025 20:19:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=0Zdl3m0pBbzgVL8J5acPwWHWdz4qmJzVwAJGbgXmMDM=; b=2J2jRshr1XWc8Sd3RbigkusJAe XKAKND/MIRpQjl3zWkmINmwWGN8UKKoymFv/BinExpg6/MXzI0InnxaVXMj/lRmOdY8Ijl2Fh+ajw nDfZFO99U/XPxoHsyI8Pot1PUqGfLHUGCR1URPnS8135jZ+Zef9evSv0Vs7OJCBZVhXxrNGzxyj59 /eM8toGWHS6PKBj7blxO3f30SXpgHn5Rz8h3SuKRy5vHhEZnnJXd+FXRLxK3LgHLfUrnwh1FNjV/I INF/50Alt01xYdQib9HiFzOhyJMXShnA5UpnI5n2Jfq/cCVmp74DrXbi4hajXQXKG1+jvWsleictF e3m2IpZw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tk7af-00000005s2v-2OVD; Mon, 17 Feb 2025 20:19:41 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tk7HN-00000005ow1-0d3v for linux-arm-kernel@lists.infradead.org; Mon, 17 Feb 2025 19:59:46 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id F371A152B; Mon, 17 Feb 2025 12:00:03 -0800 (PST) Received: from e132581.cambridge.arm.com (e132581.arm.com [10.2.76.71]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 7B0A63F6A8; Mon, 17 Feb 2025 11:59:42 -0800 (PST) From: Leo Yan To: Arnaldo Carvalho de Melo , Namhyung Kim , Ian Rogers , James Clark , Mike Leach , Mark Rutland , Alexander Shishkin , Jiri Olsa , Adrian Hunter , "Liang, Kan" , Will Deacon , Graham Woodward , Paschalis.Mpeis@arm.com, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Leo Yan Subject: [PATCH v3 10/12] perf arm-spe: Set sample flags with supplement info Date: Mon, 17 Feb 2025 19:59:06 +0000 Message-Id: <20250217195908.176207-11-leo.yan@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250217195908.176207-1-leo.yan@arm.com> References: <20250217195908.176207-1-leo.yan@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250217_115945_228913_A9A3BDB8 X-CRM114-Status: GOOD ( 10.22 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Based on the supplement information in the record, this commit sets the sample flags for conditional branch, function call, return. It also sets events in flags, such as mispredict, not taken, and in transaction. Reviewed-by: Ian Rogers Reviewed-by: James Clark Signed-off-by: Leo Yan --- tools/perf/util/arm-spe.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c index 0e8e05c87fd7..daecf9e1017a 100644 --- a/tools/perf/util/arm-spe.c +++ b/tools/perf/util/arm-spe.c @@ -484,6 +484,26 @@ static void arm_spe__sample_flags(struct arm_spe_queue *speq) if (record->type & ARM_SPE_BRANCH_MISS) speq->flags |= PERF_IP_FLAG_BRANCH_MISS; + + if (record->type & ARM_SPE_BRANCH_NOT_TAKEN) + speq->flags |= PERF_IP_FLAG_NOT_TAKEN; + + if (record->type & ARM_SPE_IN_TXN) + speq->flags |= PERF_IP_FLAG_IN_TX; + + if (record->op & ARM_SPE_OP_BR_COND) + speq->flags |= PERF_IP_FLAG_CONDITIONAL; + + if (record->op & ARM_SPE_OP_BR_CR_BL) + speq->flags |= PERF_IP_FLAG_CALL; + else if (record->op & ARM_SPE_OP_BR_CR_RET) + speq->flags |= PERF_IP_FLAG_RETURN; + /* + * Indirect branch instruction without link (e.g. BR), + * take it as a function return. + */ + else if (record->op & ARM_SPE_OP_BR_INDIRECT) + speq->flags |= PERF_IP_FLAG_RETURN; } }