From nobody Sun Sep 14 16:27:15 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94486C46467 for ; Thu, 19 Jan 2023 20:10:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230117AbjASUKy (ORCPT ); Thu, 19 Jan 2023 15:10:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33862 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229515AbjASUKu (ORCPT ); Thu, 19 Jan 2023 15:10:50 -0500 Received: from mail-yw1-x1149.google.com (mail-yw1-x1149.google.com [IPv6:2607:f8b0:4864:20::1149]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2FD5994C91 for ; Thu, 19 Jan 2023 12:10:49 -0800 (PST) Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-4fa63c84621so28424467b3.20 for ; Thu, 19 Jan 2023 12:10:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:mime-version:message-id:date:from:to:cc:subject :date:message-id:reply-to; bh=ud0+INWLgaIQ+hxTqFXvd28kGTdvB7/WJm7UP9MKuZc=; b=CFW7nG1uUTu0Huw9MUGl9BOVAw8fTl3vDsX2+4BeHbSOlHP1fZT+RbxgSt4liySCdb fjYdhlAZXj1BXguWltFCB7yQPhye+r5Vgz1s9bZt3zzssFt+VOd5qHTNArDPiHfu+dnM n2+k1GjY/h7PLN2zf/QjSpSDCx3fAKJuqa9wpJbiBCOcW823o5tWHjJuDeXfGei7HDTN yB9oAVyhRub4xA76I8g0nZjbD64G8wfmfHy6o/vqNf8QVlg0ZmqDyuoqefwtFY1GmMlF g+u3ymcwbuQcQ1t9q17WDw1c2YdeFUoRPwNpSuI4bmkwcYCkDT0WgLqET/rSiGzKJx1z 8buA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:mime-version:message-id:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=ud0+INWLgaIQ+hxTqFXvd28kGTdvB7/WJm7UP9MKuZc=; b=kULOwKrvWTqwDt3sgdv9XXrGKqVg3nKDYzerQ5Gv1z5Oesunm+6DzN1JZz3xnFUXCt S9AR6JDyv5dJakXcMLwUign0pWEmFgUsEhkbyKB85rWvsEbQqAVEsKpim21cJh7HbgLm VA2RwDHkMzbE/HOLAS78WbHE3TlmyurPgVW04DIYjzHIDensjGny3XhdbN58sXoBNrZX Z+Hcur3tyC9R/T+BGkww6i5gQ66jiLSw3E1bQ3aMt43tnxszPbw6xd6FbdwO0VvADi0b 3t+xKqYAOmcvSIA/gXyec43XKL47vl9LcpoLYCyee+WEoWMzY27AJiBJN5v6hNzzS9Mc pIHQ== X-Gm-Message-State: AFqh2kr4yipyyMS7+z5NM+CFHSeKlfj1+yNMeeRsk6DXCg59D5pL5SkZ 2qnUmvrSjtUhxXHSghb0Q2PfjYT/PhE0 X-Google-Smtp-Source: AMrXdXt4ilF3D8E8bzxXV+w9Ht3xFrVzF4S21ZEGIAneV5h+vLLAGkmT/IueAEPyTVumy8xcw2SyBjNTggBl X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:93c6:b65e:5f33:bc6b]) (user=irogers job=sendgmr) by 2002:a0d:e541:0:b0:44a:c8fb:93a2 with SMTP id o62-20020a0de541000000b0044ac8fb93a2mr1549070ywe.160.1674159048413; Thu, 19 Jan 2023 12:10:48 -0800 (PST) Date: Thu, 19 Jan 2023 12:10:36 -0800 Message-Id: <20230119201036.156441-1-irogers@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.39.0.246.g2a6d74b583-goog Subject: [PATCH v1] perf tools: Fix foolproof typo From: Ian Rogers To: Kan Liang Cc: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Leo Yan , Ali Saidi , Ravi Bangoria , James Clark , Adrian Hunter , Sandipan Das , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Ian Rogers Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In the context of LBR stitching documentation. Signed-off-by: Ian Rogers Acked-by: Kan Liang --- tools/perf/Documentation/perf-c2c.txt | 2 +- tools/perf/Documentation/perf-report.txt | 2 +- tools/perf/Documentation/perf-script.txt | 2 +- tools/perf/Documentation/perf-top.txt | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) diff --git a/tools/perf/Documentation/perf-c2c.txt b/tools/perf/Documentati= on/perf-c2c.txt index 5c5eb2def83e..af5c3106f468 100644 --- a/tools/perf/Documentation/perf-c2c.txt +++ b/tools/perf/Documentation/perf-c2c.txt @@ -121,7 +121,7 @@ REPORT OPTIONS perf c2c record --call-graph lbr. Disabled by default. In common cases with call stack overflows, it can recreate better call stacks than the default lbr call stack - output. But this approach is not full proof. There can be cases + output. But this approach is not foolproof. There can be cases where it creates incorrect call stacks from incorrect matches. The known limitations include exception handing such as setjmp/longjmp will have calls/returns not match. diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Document= ation/perf-report.txt index 4fa509b15948..9b0c0dbf9a77 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -507,7 +507,7 @@ include::itrace.txt[] perf record --call-graph lbr. Disabled by default. In common cases with call stack overflows, it can recreate better call stacks than the default lbr call stack - output. But this approach is not full proof. There can be cases + output. But this approach is not foolproof. There can be cases where it creates incorrect call stacks from incorrect matches. The known limitations include exception handing such as setjmp/longjmp will have calls/returns not match. diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Document= ation/perf-script.txt index 68e37de5fae4..8d77182fbf31 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -502,7 +502,7 @@ include::itrace.txt[] perf record --call-graph lbr. Disabled by default. In common cases with call stack overflows, it can recreate better call stacks than the default lbr call stack - output. But this approach is not full proof. There can be cases + output. But this approach is not foolproof. There can be cases where it creates incorrect call stacks from incorrect matches. The known limitations include exception handing such as setjmp/longjmp will have calls/returns not match. diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentati= on/perf-top.txt index e534d709cc5a..c60e615b7183 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -334,7 +334,7 @@ use '-e e1 -e e2 -G foo,foo' or just use '-e e1 -e e2 -= G foo'. callgraph. The option must be used with --call-graph lbr recording. Disabled by default. In common cases with call stack overflows, it can recreate better call stacks than the default lbr call stack - output. But this approach is not full proof. There can be cases + output. But this approach is not foolproof. There can be cases where it creates incorrect call stacks from incorrect matches. The known limitations include exception handing such as setjmp/longjmp will have calls/returns not match. --=20 2.39.0.246.g2a6d74b583-goog