From mboxrd@z Thu Jan 1 00:00:00 1970 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 6B9A2C433F5 for ; Fri, 27 May 2022 02:07:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233939AbiE0CHA (ORCPT ); Thu, 26 May 2022 22:07:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43700 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233548AbiE0CG7 (ORCPT ); Thu, 26 May 2022 22:06:59 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 74E3866CB2 for ; Thu, 26 May 2022 19:06:58 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id 82-20020a250255000000b0065a58668d5dso1023933ybc.0 for ; Thu, 26 May 2022 19:06:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:message-id:mime-version:subject:from:to:cc; bh=t432bOj9HNNyvwVqFkTcjkKR+K0Bmhu30IV4FVjsgoY=; b=b3JXmJSg81a9cCK4Qjk0xcyCb+s5bCsYHXtaTB/4K+Hl98m0MtxyYoobjDFBTB7CFB HK26ktpzNug4q4LPiNU/r4aRz3Cd1IFlwQ1riNeU7GWInC/YcT0FrdS4RclYpbP797Hg Oa49gKiCb5LTpVK+EC5OdYiEFzh4nzZwdR3sI7Gf7Kw5upguEhIkLAkMTEabl5sM4X8H buwqsT9qzsltd5mDKZaIByOHs59VhFUg2m0EG9xZK60XvvM8+Ti1SK1454iDDcUTk0XT ZvoKuDWvEzZRG/ZfJs0qkFmkmu1lG/7ILKFrlD7hqqPcJdE7ohUgAUl+67rxn9cTw+Qh 4FqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=t432bOj9HNNyvwVqFkTcjkKR+K0Bmhu30IV4FVjsgoY=; b=FNqm7TtVYHKaVAcEF0lnTYEbnqq3NGPa6HZU6k4P7hhqEALp1qEiLiTJAkL3QCdrXE dIeAy/XDDONNTfjfNZEx8jlUbxjl98++an7tVE9XCoZv8X/GBN8m9xNFKx23ZIV7YniR Ajcse+YpbxjkJra/roaWHylMuwp33NEXrUOdOODaxdSK7PwmNTq88UGAmFXcAFVUEsHx fWiC0WE4uxGKxboSWzKlMZpnOssOQ2AjnGX36o3P8raPQh7AFOl/rHa6fOaKb9SocOEL 38ted9WD4iESGBTolIsGyZjBvV8S18vhlHncYvfYL2FzoCDGKGcsi4OJDKFzfpAHuhcZ e/oQ== X-Gm-Message-State: AOAM533yjvG9XntrFhSBYCtm89dhwRPwZwBUgWh52OBR3eDGdTbH3LCP 5+CPhvfPhv+xWWKy3QBbQcJd12gfxnlX X-Google-Smtp-Source: ABdhPJzEVEPw+BMNvtb1jZpBoUKmkT3ERjQ/T4WthU6YPLykYRzhQAmiFOkVgzeG1dhQrUwWnlZiClN6c/y4 X-Received: from irogers.svl.corp.google.com ([2620:15c:2cd:202:4b39:e167:e698:7d4]) (user=irogers job=sendgmr) by 2002:a25:e788:0:b0:64d:87c1:8fa with SMTP id e130-20020a25e788000000b0064d87c108famr38666633ybh.302.1653617217585; Thu, 26 May 2022 19:06:57 -0700 (PDT) Date: Thu, 26 May 2022 19:06:53 -0700 Message-Id: <20220527020653.4160884-1-irogers@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.36.1.124.g0e6072fb45-goog Subject: [PATCH] perf expr: Allow exponents on floating point values From: Ian Rogers To: Zhengjun Xing , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Andi Kleen , Thomas Richter , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Stephane Eranian Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Pass the optional exponent component through to strtod that already supports it. We already have exponents in ScaleUnit and so this adds uniformity. Reported-by: Zhengjun Xing Signed-off-by: Ian Rogers --- tools/perf/tests/expr.c | 2 ++ tools/perf/util/expr.l | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/perf/tests/expr.c b/tools/perf/tests/expr.c index d54c5371c6a6..5c0032fe93ae 100644 --- a/tools/perf/tests/expr.c +++ b/tools/perf/tests/expr.c @@ -97,6 +97,8 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u ret |= test(ctx, "2.2 > 2.2", 0); ret |= test(ctx, "2.2 < 1.1", 0); ret |= test(ctx, "1.1 > 2.2", 0); + ret |= test(ctx, "1.1e10 < 1.1e100", 1); + ret |= test(ctx, "1.1e2 > 1.1e-2", 1); if (ret) { expr__ctx_free(ctx); diff --git a/tools/perf/util/expr.l b/tools/perf/util/expr.l index 0a13eb20c814..4dc8edbfd9ce 100644 --- a/tools/perf/util/expr.l +++ b/tools/perf/util/expr.l @@ -91,7 +91,7 @@ static int literal(yyscan_t scanner) } %} -number ([0-9]+\.?[0-9]*|[0-9]*\.?[0-9]+) +number ([0-9]+\.?[0-9]*|[0-9]*\.?[0-9]+)(e-?[0-9]+)? sch [-,=] spec \\{sch} -- 2.36.1.124.g0e6072fb45-goog