From patchwork Wed Feb 5 12:15:48 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leo Yan X-Patchwork-Id: 13960903 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 F0BB1C02192 for ; Wed, 5 Feb 2025 12:23:18 +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=9cZmNe2odGwmqdoLa0xVwx5kdXVlE1ZkS82UQysF8BE=; b=hkTuyTI0jsqbGYdPIWkw7s10Ni YS538eknmXlyLJzX+JKagIEWLQuQ4q4EeNRGaBe9HOhbwhx2fHm0GUTb7umE8TrryqwDxNBOr3Gai KzBlj7oNaDL8N04U1e1Vm9Ux9KnHHJzHWncDBZA5nqoJdSIXLBymX+hgWtdYeuFuDlirsbciAuDXQ jHdEIr2lWl89Mn2aygM4Cu+sW3xAzBWtMP3MLrSpeLbad/PnYM66szXnew4vZanz8PamaJ7rNw8E5 RAlb5WT9Um02lgVhOMfsfhh2cIQslR6sim5MJgUMxHJ38juTeh6VARYIO5sJ+cavhLztP1RssHvqD /2X+kUJQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tfeQx-00000003BeH-0fHP; Wed, 05 Feb 2025 12:23:11 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tfeKM-000000039ya-2Tye for linux-arm-kernel@lists.infradead.org; Wed, 05 Feb 2025 12:16:23 +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 ABADB11FB; Wed, 5 Feb 2025 04:16:44 -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 A40FA3F63F; Wed, 5 Feb 2025 04:16:18 -0800 (PST) From: Leo Yan To: Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , "Liang, Kan" , John Garry , Will Deacon , James Clark , Mike Leach , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Graham Woodward Cc: Leo Yan Subject: [PATCH v1 04/11] perf script: Add not taken event for branches Date: Wed, 5 Feb 2025 12:15:48 +0000 Message-Id: <20250205121555.180606-5-leo.yan@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250205121555.180606-1-leo.yan@arm.com> References: <20250205121555.180606-1-leo.yan@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250205_041622_669797_AD63542E X-CRM114-Status: GOOD ( 11.78 ) 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 Some hardware (e.g., Arm SPE) can trace the not taken event for branches. Add a flag for this event and support printing it. Signed-off-by: Leo Yan --- tools/perf/util/event.h | 6 ++++-- tools/perf/util/trace-event-scripting.c | 1 + 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 962fbc1714cf..c7f4b4b841ca 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -67,9 +67,10 @@ enum { PERF_IP_FLAG_INTR_DISABLE = 1ULL << 13, PERF_IP_FLAG_INTR_TOGGLE = 1ULL << 14, PERF_IP_FLAG_BRANCH_MISS = 1ULL << 15, + PERF_IP_FLAG_NOT_TAKEN = 1ULL << 16, }; -#define PERF_IP_FLAG_CHARS "bcrosyiABExghDtm" +#define PERF_IP_FLAG_CHARS "bcrosyiABExghDtmn" #define PERF_ADDITIONAL_STATE_MASK \ (PERF_IP_FLAG_IN_TX | \ @@ -91,7 +92,8 @@ enum { PERF_IP_FLAG_VMEXIT) #define PERF_IP_FLAG_BRACH_EVENT_MASK \ - PERF_IP_FLAG_BRANCH_MISS + (PERF_IP_FLAG_BRANCH_MISS | \ + PERF_IP_FLAG_NOT_TAKEN) #define PERF_MEM_DATA_SRC_NONE \ (PERF_MEM_S(OP, NA) |\ diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c index 55d7e4e612d5..29cc467be14a 100644 --- a/tools/perf/util/trace-event-scripting.c +++ b/tools/perf/util/trace-event-scripting.c @@ -317,6 +317,7 @@ static const struct { const char *name; } branch_events[] = { {PERF_IP_FLAG_BRANCH_MISS, "miss"}, + {PERF_IP_FLAG_NOT_TAKEN, "not_taken"}, {0, NULL} };