From nobody Fri Dec 19 04:24:47 2025 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (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 34E362D23B6 for ; Wed, 12 Nov 2025 19:53:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762977205; cv=none; b=Wa/a0fqGCKWBP2k0rSlvrPaUINqo7TSCJn45SEpkY2ij8YNo38MopTpiAIqndGsawcDkiG+SajWUovuM4j9aInU1qUn8L9GbBOao1LdURTX7/9NVPJTAJDCmHnt3FSOVDpa9NI5j+VH3B82ezLPCiyjpsoY4hiPkTUGvZ1RZGT4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762977205; c=relaxed/simple; bh=D2qFWI5rI9XWj2yv5NMBGr9wzwRjSjUkpoKM6NrqaBo=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=dFKCpNvCx9p27gpt4USoefZYokRfWcq3c6eL6Dgg9j5FReTcFHqzh8oPEpRBMnv/ZauLC1ORyRtRPIWjzMXJ40fb0h23xC8Cq5kFLHuq/feYUJy9uzLh6espv685v35c41k6NmeY2f1PDfyu/wLs8MMI4h8Jh3LrOJmy4CmLa2g= 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=n2MBwKOQ; arc=none smtp.client-ip=209.85.214.202 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="n2MBwKOQ" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-295fbc7d4abso112595ad.1 for ; Wed, 12 Nov 2025 11:53:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1762977203; x=1763582003; darn=vger.kernel.org; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=ohw+LfkBQ7p0CYFFLUG3dUA11yOfDumKvPxiRgcLzqs=; b=n2MBwKOQuRfoga8yfU4j1nrMsf7BEnEaMuC5McPjHK+qdCosenEHhUXH2FHN0znjEo 0scfCvoBl0cvTVR2ZoU0LqB3WxtgWKrVa4eo5qWeRQ0mFWquiGkC6XejJ7d4nNlTzUgN M3fL7t+nY94hxKgMQ72C50lFO7OGrxLTtB1Gi3X8EZI+EjUwgbLFLaqKLnGyN6nGDI/v HC9/8dBk1M33wH4IJKfN4QQ8IIVEy1MSkjwDkF12CIwnqKAbyNJkYCfPmjrNBZLRAT+E o77CeSoy5TvOIK1J+UYw1ZFbtmxak4gK4tMVP3CQyMh9x7ASuzQwjwNtnFXqrczdGxym GHiA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762977203; x=1763582003; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ohw+LfkBQ7p0CYFFLUG3dUA11yOfDumKvPxiRgcLzqs=; b=pwypfo63PMQ/BcO18gAkez5zIjYy8YHUaaz43kMdviM/8jkxNNUSXCcTeQjacAc+JE ACYSzEGknw3xS7c1wSNxG9sOZydl9OUS1DPktwFY6Xm4cJUf7F3A5U+iH7hmy4WB/R2v 38mzv2KZdgSh0FFI040KC4D2tJpiZXq9cn4gZHBUVZeh2Cco7j8L2lRcIcIyjw3Sz7ck 1QubxF9hGhu9HfLa+pfpEh2glndTH/gUN2dOq2nIqM6btu3cAmJxTHVtFGFlKeAdRacD DKymKPGcSutT+RWbIQauS7pVHec7kW5EYqWvPUwl0nxuNvbGQDoqZCUFM8u8SeQvBP8o 2QoQ== X-Forwarded-Encrypted: i=1; AJvYcCVMMRuOzCGpHmMq+I0IUX9LzKlflah95gnBOLDdFBVA6IX29sTr8cAv4q02/bGcFmKF+11rJKn29iXlwi4=@vger.kernel.org X-Gm-Message-State: AOJu0YyWbQITwsOKvj9jBOhLYZmv6vukVvVlCmydPjtheXeH/7BHVLTl dhQCRY7TTvSv03kDTazt0TRIQRs8xHQ+Nhy0HIms27voW2ds7r8eALv7FBtQ4FicjXpJMWXhZQ9 Gu1acSadW4Q== X-Google-Smtp-Source: AGHT+IHsLG9tsjG12ghzU+324EEnValmEaNnP/kKoA2IYFkuZTbb8uoThhf/fUIjBEdNGu9yPxQmWhM83Gun X-Received: from dyoy40.prod.google.com ([2002:a05:7300:3728:b0:2a4:7751:c312]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:f68a:b0:298:33c9:eda2 with SMTP id d9443c01a7336-2984edaaee2mr50098365ad.33.1762977203460; Wed, 12 Nov 2025 11:53:23 -0800 (PST) Date: Wed, 12 Nov 2025 11:53:10 -0800 In-Reply-To: <20251112195311.1673981-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20251112195311.1673981-1-irogers@google.com> X-Mailer: git-send-email 2.51.2.1041.gc1ab5b90ca-goog Message-ID: <20251112195311.1673981-4-irogers@google.com> Subject: [PATCH v2 3/4] perf test: Don't fail if user rdpmc returns 0 when disabled From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , James Clark , Chun-Tse Shao , Thomas Falcon , Yang Li , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In certain hypervisor set ups the value 0 may be returned but this is only erroneous if the user rdpmc isn't disabled. Signed-off-by: Ian Rogers --- tools/perf/tests/mmap-basic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c index 3c89d3001887..3313c236104e 100644 --- a/tools/perf/tests/mmap-basic.c +++ b/tools/perf/tests/mmap-basic.c @@ -322,7 +322,7 @@ static int test_stat_user_read(u64 event, enum user_rea= d_state enabled) } =20 perf_evsel__read(evsel, 0, 0, &counts); - if (counts.val =3D=3D 0) { + if (rdpmc_supported && counts.val =3D=3D 0) { pr_err("User space counter reading for PMU %s [Failed read]\n", pmu->na= me); ret =3D TEST_FAIL; goto cleanup; --=20 2.51.2.1041.gc1ab5b90ca-goog