From patchwork Fri Oct 25 10:52:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Graham Woodward X-Patchwork-Id: 13850522 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 23C37D0C5FB for ; Fri, 25 Oct 2024 11:07:53 +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=utH0A9B3EQegYk6oR25ctOLkfCCirA1XhXuNbcazhP0=; b=0ONd1inkCS11bkGdJDNL23ad7F /OungLNoMCqSdoCZ4pcQvGrwj37ZZCU0f6qIJBw/GyT1Snu4V/c1wh5/DME3PQ5q9HYlG60vmm4cV evbmGPkJH4UQqmPtN3RehkwF15jrn/hgpauw5SJHqGJbflKKzzl4Q3rDpK6FHpd8UGU6vGJq9bKjp YYW5yxxUr1IxloCezEKm10pI7XH383a9SP2qHyTYtRrG81c+KJZ9o9ecrZ7jSDZDKKdigmDYQbPg4 HtNMkZMmAFfN5NoRp3Yf6DDxx/gT7Q8TqGCd2ZcVSO+4P70NmtceBt2HQ6yFTHf25PycK7Re0EDjN a4Pb8aew==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t4IAP-00000003SaP-2tig; Fri, 25 Oct 2024 11:07:42 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t4Hvm-00000003Pvr-1dYg for linux-arm-kernel@lists.infradead.org; Fri, 25 Oct 2024 10:52:36 +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 C516A339; Fri, 25 Oct 2024 03:53:03 -0700 (PDT) Received: from VDW30FN91H.arm.com (unknown [10.57.79.117]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id CC3F53F73B; Fri, 25 Oct 2024 03:52:31 -0700 (PDT) From: Graham Woodward To: acme@kernel.org, namhyung@kernel.org, mark.rutland@arm.com, jolsa@kernel.org, irogers@google.com, james.clark@linaro.org, mike.leach@linaro.org, leo.yan@linux.dev, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: nd@arm.com, Graham Woodward Subject: [PATCH v10 4/4] perf arm-spe: Update --itrace help text Date: Fri, 25 Oct 2024 11:52:12 +0100 Message-Id: <20241025105212.51779-5-graham.woodward@arm.com> X-Mailer: git-send-email 2.39.3 (Apple Git-146) In-Reply-To: <20241025105212.51779-1-graham.woodward@arm.com> References: <20241025105212.51779-1-graham.woodward@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241025_035234_529768_05334650 X-CRM114-Status: UNSURE ( 8.64 ) X-CRM114-Notice: Please train this message. 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 The --itrace help now needs updating to reflect that the --itrace=b argument sythesises branches as well as branch misses. Signed-off-by: Graham Woodward --- tools/perf/Documentation/itrace.txt | 2 +- tools/perf/Documentation/perf-arm-spe.txt | 2 +- tools/perf/util/auxtrace.h | 3 +-- 3 files changed, 3 insertions(+), 4 deletions(-) diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt index 19cc179be..40476b227 100644 --- a/tools/perf/Documentation/itrace.txt +++ b/tools/perf/Documentation/itrace.txt @@ -1,6 +1,6 @@ i synthesize instructions events y synthesize cycles events - b synthesize branches events (branch misses for Arm SPE) + b synthesize branches events c synthesize branches events (calls only) r synthesize branches events (returns only) x synthesize transactions events diff --git a/tools/perf/Documentation/perf-arm-spe.txt b/tools/perf/Documentation/perf-arm-spe.txt index 0a3eda482..de2b0b479 100644 --- a/tools/perf/Documentation/perf-arm-spe.txt +++ b/tools/perf/Documentation/perf-arm-spe.txt @@ -187,7 +187,7 @@ groups: 7 llc-access 2 tlb-miss 1K tlb-access - 36 branch-miss + 36 branch 0 remote-access 900 memory diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h index a1895a4f5..dddaf4f3f 100644 --- a/tools/perf/util/auxtrace.h +++ b/tools/perf/util/auxtrace.h @@ -75,7 +75,6 @@ enum itrace_period_type { * (not fully accurate, since CYC packets are only emitted * together with other events, such as branches) * @branches: whether to synthesize 'branches' events - * (branch misses only for Arm SPE) * @transactions: whether to synthesize events for transactions * @ptwrites: whether to synthesize events for ptwrites * @pwr_events: whether to synthesize power events @@ -650,7 +649,7 @@ bool auxtrace__evsel_is_auxtrace(struct perf_session *session, #define ITRACE_HELP \ " i[period]: synthesize instructions events\n" \ " y[period]: synthesize cycles events (same period as i)\n" \ -" b: synthesize branches events (branch misses for Arm SPE)\n" \ +" b: synthesize branches events\n" \ " c: synthesize branches events (calls only)\n" \ " r: synthesize branches events (returns only)\n" \ " x: synthesize transactions events\n" \