From nobody Tue Dec 23 12:36:18 2025 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9540B13175D for ; Thu, 7 Mar 2024 17:40:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709833230; cv=none; b=NcWWja3CHXtB4s7dz0LTdlHXdE9nyJfB7X1pMLVVEu4W0Pt359+N6OMkkUNc4jnTOI42CD9NifigYw37DIvqSHQzOUzd+TBTNGZVTQ6EO6Hl5iCh/1+ZSl0FdA5o8Um8b2Veq42iH+uGjkHE8dAd7ciao7ojR757aji7O0BkvOA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709833230; c=relaxed/simple; bh=kbFBHdCad/TTKVPzgQtSH7M2inFZrQ/NSaJSVlW2wnY=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=d1KEW3+qTlifUrc5iLZpDZg2Ybj7cpfM4u67uC/3qzFqkfOIz2IY4xYk5eryrOjUtWQjNdye+W0qzCSzWOLtAYXhszNbEnt17VbsWCPlx2VnpURNpb0KEnHssBkqRlZni+GCcC/wCKyFGhrlDhh/Y4ub0iubxBx9UIeSTEmLXnw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=jXH4eky1; arc=none smtp.client-ip=209.85.128.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="jXH4eky1" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-6047fed0132so18474817b3.1 for ; Thu, 07 Mar 2024 09:40:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1709833227; x=1710438027; darn=vger.kernel.org; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=w11Yp0wodb7GDuRE7Pf73tA+Sknph1YJzxldtQ9IWAs=; b=jXH4eky1aX3eDDpp3cgQ3WLemFoD3qlpwXlLRIpDJzTOP1EIFzdXI5+8OwPcwkDJxw HPBPruX81/yjO5CebGAwU5RyXgbHkrURG5mOHpAzcvINgeoCYdTXVny0Qr4EhG2oQkr0 bSMxdkcNbty2RQrgtS8NkPh0C53JudynA7xz3Ribcd8mluQflxqWQ5ozw8kduo0lbJol nCmPGOSj3sA4BJMHtoD3cPod3p1UwFBIP9Y1QEJBFU0kIXQ/1mnQ5xefDF9/kwPvsYiH lkqIeo4IC2f1cBOBIdSD95i7rKWfHwtRelrfBlA1iVHLym4OKkXDb0aotpcgQsq63y+E kOug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709833227; x=1710438027; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=w11Yp0wodb7GDuRE7Pf73tA+Sknph1YJzxldtQ9IWAs=; b=xCQF30iQJgM78Gz+yUpad0YeWmAjXdNOfEUh6dpKFUcOxbsWnkBeoUUidL0gpEPeH1 hHpFdY8IEBt7Ag08WNj3GKtJQFc2EIo0ijC3N6aMD7Tlb3TdcJzsUJ3j4VvqH6XmoRat gXnuHbu1abCAJXslnqjWJgsY0xWHoObAW42zWv4quSQ+jW7xXNILOoRSHliG3FV2qPM4 vQ3UXiwZmlzGxsJIr23S5WznblpKzYmfHpXm/5MNdoDpFvqx+8kD4QU5mLHzhcrp5Pac 1LzhQvnQVj81ak8WA6uPDkT76gcO8ug86kFpQuRFK771NUGbbnf2UJ/WmcS8dee37FXj V/Vg== X-Forwarded-Encrypted: i=1; AJvYcCVgwvanttB0XkumdKrSjcZMhAB5tCiR9FHFWfRTlYlzHYHfas8Zd98MAwK2XutOVXxoL67Pbylt+INsRNwauJFSk8bTBxmnXoFx1+eZ X-Gm-Message-State: AOJu0Yz3xyFVko47FbdPMd1DvDBow3U+3UxMzdUBnWo3KKQUxx1Wu0aA EGpavLA6XETMYjO2IzOvEOd41uxmyk/rpadgGcVSr2D8ktXzv29DFs7pXSoBAqgR+ZvRdnSrQz8 48LfCZg== X-Google-Smtp-Source: AGHT+IH8sZdc0d9tNRzSN2uG5lhybBegGoq6WEWX2vIww74GkR3N/VxeT9aT7l441OV/23HQC5uuq7AsGoj5 X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:47d6:1de1:237a:6728]) (user=irogers job=sendgmr) by 2002:a05:690c:3386:b0:609:3844:ecdb with SMTP id fl6-20020a05690c338600b006093844ecdbmr4023284ywb.6.1709833227619; Thu, 07 Mar 2024 09:40:27 -0800 (PST) Date: Thu, 7 Mar 2024 09:39:51 -0800 In-Reply-To: <20240307173955.3982040-1-irogers@google.com> Message-Id: <20240307173955.3982040-3-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240307173955.3982040-1-irogers@google.com> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog Subject: [PATCH v2 2/6] perf pmu: Drop "default_core" from alias names From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Yang Jihong , Kan Liang , James Clark , Ravi Bangoria , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" "default_core" is used by jevents.py for json events' PMU name when none is specified. On x86 the "default_core" is typically the PMU "cpu". When creating an alias see if the event's PMU name is "default_core" in which case don't record it. This means in places like "perf list" the PMU's name will be used in its place. Before: ``` $ perf list --details ... cache: l1d.replacement [Counts the number of cache lines replaced in L1 data cache] default_core/event=3D0x51,period=3D0x186a3,umask=3D0x1/ ... ``` After: ``` $ perf list --details ... cache: l1d.replacement [Counts the number of cache lines replaced in L1 data cache. Unit: c= pu] cpu/event=3D0x51,period=3D0x186a3,umask=3D0x1/ ... ``` Signed-off-by: Ian Rogers --- tools/perf/util/pmu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index f39cbbc1a7ec..24be587e3537 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -518,7 +518,8 @@ static int perf_pmu__new_alias(struct perf_pmu *pmu, co= nst char *name, unit =3D pe->unit; perpkg =3D pe->perpkg; deprecated =3D pe->deprecated; - pmu_name =3D pe->pmu; + if (pe->pmu && strcmp(pe->pmu, "default_core")) + pmu_name =3D pe->pmu; } =20 alias =3D zalloc(sizeof(*alias)); --=20 2.44.0.278.ge034bb2e1d-goog