From nobody Thu Dec 25 03:54:28 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 1F1413BB4E for ; Thu, 1 Feb 2024 04:22:52 +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=1706761374; cv=none; b=PFR9jOHMP+RBGF4pLk1P0Aa4otGQd/wq3LFc2lfW1KdbA2uqM8y1iykuHFEC32xentsWWbZCiXImnhGK9BDTbdHGIhbF3Bzic7a4UCcjAuWQ+MMkBBAHd6DiROM5+iGPcoVs9DaBrJyUqN1Mc58zI5VGv4immS7PAZ27G/aefNI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706761374; c=relaxed/simple; bh=LEf47llM5ZntjdM1tFx+kv1F7VOaVbLqYPevCFmzKgY=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=JiTbIomy4iA/r5HSAnJiihUUWSyTQMUxw5/Kb4NP/o21wdW3vRFJSpcoVWNUxZMeBZ/tb796soVcrBwfWzdgX8zdPEl86PuBRjIqiU+3d5iExsWtRXnd67WAayc1ZR1cwN3U60QvRXBbf2kmzDT8hXxHxiwS8kIg6U5HaRQSi/4= 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=uoXs6WNQ; 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="uoXs6WNQ" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-60402c8d651so9322257b3.3 for ; Wed, 31 Jan 2024 20:22:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1706761371; x=1707366171; 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=PeitV0yHOpBere8QJtZH8YRXFmaqbWcfFgW9touiCOY=; b=uoXs6WNQULbQNrWWnGVc2G/XXR1mnv8bnYE1QGQF6uO1SIj/i3Nk9ZPoPTBMP2wLQr M877Z2m7yRKf8mY1mhjecatsnEjV6jWPankR3vQIU6U/jKGsYv9FM1I0cQbeEeFBge77 X/AvaRkQmNj9FN03afBInFXFD84ictK1OAdKHLK5odHpYuDIQ2tSmet2ql3uk6locy1G USYHMVF3t83n0pMl0pfSLKVZNFDctlb+Mf8ls3ikKfRGeUsKViZjGACN8gXkeqLUNelt Ec/UL1j/PX6YNhn7Hvgr1m6anSWSUx2EumcAhaJ/Ie0zW5TZIhM+yLYmzxWXIbGCx7ql HUhg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706761371; x=1707366171; 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=PeitV0yHOpBere8QJtZH8YRXFmaqbWcfFgW9touiCOY=; b=DNYcPabmnVUHg4gFUENwOVXt4PM/z5anoR0/Vk46Z7CG9uXwQw6XfE5LblQTMAyj6h G8+wbSKdAzGkKzg/ZiOUgUUqupmSMNJHsjGRiZXikSFxRV5Q58f/t4E8M/6VIXlcfH5W OkPgP/adSmq1aBHM23GCH63K93+L1t9sMrtn4ewXbekkgHCNvKMX+eeyEH76ld0fjRzI IQVN4yberCb2daF1oWS5zBHhd7dZE+dIveFePH/509CtEnEnUi3UinkMxGuzB39gSYEp SSG++1Vy4Mc9XRibBbuUYxFC4C16tYUx6rptCTEeYVn6o/eEJahIHM/TXSI0AwpSquqd nn5Q== X-Gm-Message-State: AOJu0Yyn+XgYDnYELfj/Xx/k7QbEszpUdgXB6HRn3oK/OVi2F0w8eZPr sPm5A3Za3tJ1oMkhPFItfWIgs766D2BdtLq8vpjg9VGvmlJYYlZXHZ1jzC6uCF4nPwoY0qp/YWr DTfemfw== X-Google-Smtp-Source: AGHT+IFM/pA3IJeVDmvTvXS5pxixyVYGQ3hKU8vPfyFZQMkJX3zylJwKIgo/7SF5iVC6oDBpHE6QZwLb8rWS X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:16c5:1feb:bf99:a5d1]) (user=irogers job=sendgmr) by 2002:a05:690c:39d:b0:5ff:5135:ffcf with SMTP id bh29-20020a05690c039d00b005ff5135ffcfmr196527ywb.4.1706761371160; Wed, 31 Jan 2024 20:22:51 -0800 (PST) Date: Wed, 31 Jan 2024 20:22:29 -0800 In-Reply-To: <20240201042236.1538928-1-irogers@google.com> Message-Id: <20240201042236.1538928-2-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240201042236.1538928-1-irogers@google.com> X-Mailer: git-send-email 2.43.0.429.g432eaa2c6b-goog Subject: [PATCH v2 1/8] libperf cpumap: Add any, empty and min helpers From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , Suzuki K Poulose , Mike Leach , James Clark , Leo Yan , John Garry , Will Deacon , Thomas Gleixner , Darren Hart , Davidlohr Bueso , "=?UTF-8?q?Andr=C3=A9=20Almeida?=" , Kan Liang , K Prateek Nayak , Sean Christopherson , Paolo Bonzini , Kajol Jain , Athira Rajeev , Andrew Jones , Alexandre Ghiti , Atish Patra , "Steinar H. Gunderson" , Yang Jihong , Yang Li , Changbin Du , Sandipan Das , Ravi Bangoria , Paran Lee , Nick Desaulniers , Huacai Chen , Yanteng Si , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, bpf@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Additional helpers to better replace perf_cpu_map__has_any_cpu_or_is_empty. Signed-off-by: Ian Rogers --- tools/lib/perf/cpumap.c | 27 +++++++++++++++++++++++++++ tools/lib/perf/include/perf/cpumap.h | 16 ++++++++++++++++ tools/lib/perf/libperf.map | 4 ++++ 3 files changed, 47 insertions(+) diff --git a/tools/lib/perf/cpumap.c b/tools/lib/perf/cpumap.c index 4adcd7920d03..ba49552952c5 100644 --- a/tools/lib/perf/cpumap.c +++ b/tools/lib/perf/cpumap.c @@ -316,6 +316,19 @@ bool perf_cpu_map__has_any_cpu_or_is_empty(const struc= t perf_cpu_map *map) return map ? __perf_cpu_map__cpu(map, 0).cpu =3D=3D -1 : true; } =20 +bool perf_cpu_map__is_any_cpu_or_is_empty(const struct perf_cpu_map *map) +{ + if (!map) + return true; + + return __perf_cpu_map__nr(map) =3D=3D 1 && __perf_cpu_map__cpu(map, 0).cp= u =3D=3D -1; +} + +bool perf_cpu_map__is_empty(const struct perf_cpu_map *map) +{ + return map =3D=3D NULL; +} + int perf_cpu_map__idx(const struct perf_cpu_map *cpus, struct perf_cpu cpu) { int low, high; @@ -372,6 +385,20 @@ bool perf_cpu_map__has_any_cpu(const struct perf_cpu_m= ap *map) return map && __perf_cpu_map__cpu(map, 0).cpu =3D=3D -1; } =20 +struct perf_cpu perf_cpu_map__min(const struct perf_cpu_map *map) +{ + struct perf_cpu cpu, result =3D { + .cpu =3D -1 + }; + int idx; + + perf_cpu_map__for_each_cpu_skip_any(cpu, idx, map) { + result =3D cpu; + break; + } + return result; +} + struct perf_cpu perf_cpu_map__max(const struct perf_cpu_map *map) { struct perf_cpu result =3D { diff --git a/tools/lib/perf/include/perf/cpumap.h b/tools/lib/perf/include/= perf/cpumap.h index 228c6c629b0c..90457d17fb2f 100644 --- a/tools/lib/perf/include/perf/cpumap.h +++ b/tools/lib/perf/include/perf/cpumap.h @@ -61,6 +61,22 @@ LIBPERF_API int perf_cpu_map__nr(const struct perf_cpu_m= ap *cpus); * perf_cpu_map__has_any_cpu_or_is_empty - is map either empty or has the = "any CPU"/dummy value. */ LIBPERF_API bool perf_cpu_map__has_any_cpu_or_is_empty(const struct perf_c= pu_map *map); +/** + * perf_cpu_map__is_any_cpu_or_is_empty - is map either empty or the "any = CPU"/dummy value. + */ +LIBPERF_API bool perf_cpu_map__is_any_cpu_or_is_empty(const struct perf_cp= u_map *map); +/** + * perf_cpu_map__is_empty - does the map contain no values and it doesn't + * contain the special "any CPU"/dummy value. + */ +LIBPERF_API bool perf_cpu_map__is_empty(const struct perf_cpu_map *map); +/** + * perf_cpu_map__min - the minimum CPU value or -1 if empty or just the "a= ny CPU"/dummy value. + */ +LIBPERF_API struct perf_cpu perf_cpu_map__min(const struct perf_cpu_map *m= ap); +/** + * perf_cpu_map__max - the maximum CPU value or -1 if empty or just the "a= ny CPU"/dummy value. + */ LIBPERF_API struct perf_cpu perf_cpu_map__max(const struct perf_cpu_map *m= ap); LIBPERF_API bool perf_cpu_map__has(const struct perf_cpu_map *map, struct = perf_cpu cpu); LIBPERF_API bool perf_cpu_map__equal(const struct perf_cpu_map *lhs, diff --git a/tools/lib/perf/libperf.map b/tools/lib/perf/libperf.map index 10b3f3722642..2aa79b696032 100644 --- a/tools/lib/perf/libperf.map +++ b/tools/lib/perf/libperf.map @@ -10,6 +10,10 @@ LIBPERF_0.0.1 { perf_cpu_map__nr; perf_cpu_map__cpu; perf_cpu_map__has_any_cpu_or_is_empty; + perf_cpu_map__is_any_cpu_or_is_empty; + perf_cpu_map__is_empty; + perf_cpu_map__has_any_cpu; + perf_cpu_map__min; perf_cpu_map__max; perf_cpu_map__has; perf_thread_map__new_array; --=20 2.43.0.429.g432eaa2c6b-goog