From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (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 8819F248F7C for ; Wed, 12 Nov 2025 19:53:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762977199; cv=none; b=ksnGE/dCpB2rUs1yCag3XucBdEONPIxAC16y8Hv9rJ2Ix/P9t6MACza/EoOpEQlPwqNE7TvSyvgIPQFegbDiQVRB9LKCG7LDB47Mh4wp78LMOz4ZXhxq3L1Ix9JZwFyleW2BhgjmJ+clI32cmyBjXG01S0llPQfE1lRsWMjpzTs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762977199; c=relaxed/simple; bh=Mt4PkZwYOMGZoupVLZfiSVDVEqcX3IkEmjMvcMEiubE=; h=Date:Mime-Version:Message-ID:Subject:From:To:Content-Type; b=KU77aKGWpnUFrc6UC5GfdJcFUGCErYJg4RLlaQV8Fi13eAAt/zggkLuKsh9fmqq+06RFcVq0DHdYjzRr2O8Snj85c7/6JOZOIs8v19q+NBubE6Zqf0vQuxs5Ib9NFIFCfXDqznpLs9M/GQQFAR1wdtJ/6Gtlzk5zetIFt3CMtDg= 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=DYkCqFzw; arc=none smtp.client-ip=209.85.214.201 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="DYkCqFzw" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-295592eb5dbso223525ad.0 for ; Wed, 12 Nov 2025 11:53:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1762977198; x=1763581998; darn=vger.kernel.org; h=to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=84G8eoSACWzBai0CppLU75VrSMUpLrAmepVMsjUJ5vs=; b=DYkCqFzwjdhrQPiY5wYYne+HD6HqUpVna5tILWJLVyLPda3JIfiWc1wu73zxd8ViS+ chIP5Cn5MXE2hyctowEiplffu+x4w6HCzxaPvGVgEy9tAaegBgV4hMAmtRMGCWzFt1SD epJdBxygVVMKhNjw+7egtHSIISJx88dkg2xp89Y6IElcx2yaqmUZq3CNSTXnxkJomMg7 x6AM2OAI6gfwp9yj7bSe7+pME5LCtgHANExMln6GOBY7qkJH7fC20+H2EXce9gKqji+Y FiQUG8Nehge3NWK+SFdWWJ9CaQK0vtUVUYjshetU3KpnLZDsVpX2pR6ZVKTyTgtbS/80 64FA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762977198; x=1763581998; h=to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=84G8eoSACWzBai0CppLU75VrSMUpLrAmepVMsjUJ5vs=; b=CKCO1hBx9P0PC9WmCkrnTq/NI6Br4gvzRQg2iiTRIW8jKq4M+/ixqPw/y9q978qc8w JwrdtqmzH5/kjnvwKZ3vDc2I3ua7QX8Lv96uuyOF9hIZoUSlyo93nPRTo369ZE4fd8gy UJX4ec2ItDJSr3LPKgLeNfK/L9qA309yzohHtTlIs3vAtV9sho9OIVpIPDbYEInbB+9C 66BG5xDLJZy3VSbfIbn7QqTLGP+I8uegLmpT6pw4iLc8ujMFSIyxmcUyfGUBnNpCvTiv naOEc7bp2mmCaddTlDrtoqTndTyfqy6he/gHKb3Ztj41PB7V5a4bQQ2QW7KsMguI8fM7 3vbQ== X-Forwarded-Encrypted: i=1; AJvYcCWxvjoQ6TRpla7fQEODBHKfwGoQGEostNqNZcR4oifBcWpWz2H0atrfeC/xzrqVyBJOEDENqalOtkpgoE8=@vger.kernel.org X-Gm-Message-State: AOJu0Yy6RZg6i7onr2dQkczspXkJ54aO50OqZnGo5rBh8D0nqAymZSV4 jiOHY+TWfHzcHsG52E8QHmU1RI3DH240j+szZtuBk/c+Ce/WAk9a5x2eQQI+AS/TCqeHxf5CSFU GnNbbzWggxQ== X-Google-Smtp-Source: AGHT+IGJsZZQpwRbl5QFTT9oCGX/5ODEzI1gvvBHeZMwOQsfJYRjBRBRZfYsO6gV6qpNlx5+42xlWie3dztl X-Received: from dlqq42.prod.google.com ([2002:a05:7022:63aa:b0:119:c6ec:cc42]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:fa7:b0:27e:f018:d312 with SMTP id d9443c01a7336-2984ed2b587mr55528845ad.1.1762977197818; Wed, 12 Nov 2025 11:53:17 -0800 (PST) Date: Wed, 12 Nov 2025 11:53:07 -0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.51.2.1041.gc1ab5b90ca-goog Message-ID: <20251112195311.1673981-1-irogers@google.com> Subject: [PATCH v2 0/4] Test fixes and debug logging 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-Type: text/plain; charset="UTF-8" Testing in a hypervisor guest showed some issues that these patches try to address, or improve the debug situation upon. v2: Rebase. Tested Arnaldo repeat case on Intel but didn't repro, assume was fixed as part of the legacy metric json test fixes. v1: https://lore.kernel.org/lkml/20250914182900.1960567-1-irogers@google.com/ Ian Rogers (4): perf test: Be tolerant of missing json metric none value perf parse-events: Add debug logging to perf_event perf test: Don't fail if user rdpmc returns 0 when disabled perf stat: Display metric-only for 0 counters tools/perf/tests/mmap-basic.c | 2 +- tools/perf/tests/shell/lib/perf_json_output_lint.py | 5 ++++- tools/perf/util/parse-events.c | 2 ++ tools/perf/util/stat-display.c | 3 +++ 4 files changed, 10 insertions(+), 2 deletions(-) -- 2.51.2.1041.gc1ab5b90ca-goog