From nobody Mon Feb 9 13:01:57 2026 Received: from mail-yw1-f202.google.com (mail-yw1-f202.google.com [209.85.128.202]) (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 CC89517B4E2 for ; Sat, 31 Aug 2024 07:04:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725087882; cv=none; b=YjvsVjzQdVhs7/raFFv13MK628vxqCFecuNIK441oTwscaWrJvO7i/dtNbUow10AyOlvNIQOnBwsyaS8w9K8wBS26Pjv3DXOoRTCfAM81cU7HFy0PnGP1CojCG8sKHnTxi0tL3CxrR7wvoK7nAVg4ngEcnuRacXp5yHnCLEJ9aI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725087882; c=relaxed/simple; bh=Zzp47YpjJrlq/7aNuFnEG/sx74AzSK2oA4jiAlYD1m4=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=VolgSsTr29KupfMoGRD/zG1cjphz0maLU++ZdLhhFcPZinuQ+vRRsp7FlFuZF7UpHPjzxbibH6YlEc3V4k+K6XOeYemCtJTjqhhBg5hoi0TffGzBONah+xi5s5/8mJkrBPe0McvNk+bad25IbLhbsg4Pru6cxTzlMv884cMwB1A= 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=YXeqqu1/; arc=none smtp.client-ip=209.85.128.202 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="YXeqqu1/" Received: by mail-yw1-f202.google.com with SMTP id 00721157ae682-6d4daca4a4bso12685047b3.0 for ; Sat, 31 Aug 2024 00:04:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1725087880; x=1725692680; 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=J5+jy8suatSYU8agZ+1zFUqOrIedBbY+ji9A0DmCUwg=; b=YXeqqu1/T7EB5q0Xc87ElZRffeI9/OqXF2z6+sv10twgx0LlS2FzfyLNqAb7runij4 LU/YsVB9jIQMI/tG5y8ZR/OjQWwJaue32N12goBcQxD82fTCF8hrv5a/3u4oGfnSIqoU yS6Yp4B/hKjft/JeJbQiAdetOLqgTqJ6IVz+/i1VOexTsqs4KCm/iXv3w7HXWKJVAzqo E4K/yNQy559qDdX6BkXYGBZyy/5lJSFR9FI4NU6vdWYpxyRFgoUWzvu1nQvrO/B5RspJ /KSM9ehFLRqMx2z8vD+rONSrlz6hUc0nGkFBcIsjtCJ3k4cK0WlKcrEeq7vj+PXaL4Kf WD7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725087880; x=1725692680; 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=J5+jy8suatSYU8agZ+1zFUqOrIedBbY+ji9A0DmCUwg=; b=YtYPdcpcTzMACjaBfL3SoxGTjur1HyzdOTT02rNa0Pa/bM9oSD0p3AzPVcv+n9BJ8j SsRLyozbKzC1C7Gwum50IV33J0SzD7XqyorB55TfY75rKwDyqOeIGf/QPrR5shyPAQVl KpAwWlmCq9W+1tkz9eDHwZPPmy1zrWCF8fv/braAzAr7OTEZc3kZV1B6R0qPAv36VIQU uRQnRFVIwukD3HEZ5PPYj2A45ZrU91oHL6e4yfObU1s61SJtTfrRGz/RqwowxJgBdRQ8 Jwgksg73JtzK4vJ/LoiXXL3+seKCuwmSUvgntxUy20v+OwWo+6goz8d6ms/E94/szaLv V+JQ== X-Forwarded-Encrypted: i=1; AJvYcCVEWNx0Xw3YPSl+jEDjP/FAtt1FuceqCSU/4ms960wbfXWAv7cMH8K9XRW8XE8AgCLNnwvYAFCDM2lbVFY=@vger.kernel.org X-Gm-Message-State: AOJu0YzHApzYwxCMBLFrdluDXdyrLULBj2xCeyHdMS93GOSdn+nUbKKU 0Ti9eyKr+pEgUVh01jFHRMHjSoGijNcWyEK+jbxwcVKJ1R389Z4aXpDHPBtpGNl//zipC4XimKO Cv54BIA== X-Google-Smtp-Source: AGHT+IG1XD+JUjlCpgglYclPZZLQJ4BWz+jqR+qm5DgB0ka+M75PUfqNm5Cwbhc6EFTAGgHWlo8uxtzePXRt X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:4974:82ff:2f9:edb6]) (user=irogers job=sendgmr) by 2002:a05:6902:281:b0:e11:757f:30af with SMTP id 3f1490d57ef6-e1a5c85d46amr83900276.3.1725087879809; Sat, 31 Aug 2024 00:04:39 -0700 (PDT) Date: Sat, 31 Aug 2024 00:04:15 -0700 In-Reply-To: <20240831070415.506194-1-irogers@google.com> Message-Id: <20240831070415.506194-7-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240831070415.506194-1-irogers@google.com> X-Mailer: git-send-email 2.46.0.469.g59c65b2a67-goog Subject: [PATCH v1 6/6] perf test: Make watchpoint data 32-bits on i386 From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , Athira Rajeev , Dominique Martinet , Yang Jihong , Colin Ian King , Chaitanya S Prakash , "Masami Hiramatsu (Google)" , James Clark , John Garry , Junhao He , David Ahern , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" i386 only supports watchpoints up to size 4, 8 bytes causes extra counts and test failures. Signed-off-by: Ian Rogers --- tools/perf/tests/wp.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/perf/tests/wp.c b/tools/perf/tests/wp.c index cc8719609b19..6c178985e37f 100644 --- a/tools/perf/tests/wp.c +++ b/tools/perf/tests/wp.c @@ -20,7 +20,12 @@ do { \ TEST_ASSERT_VAL(text, count =3D=3D val); \ } while (0) =20 +#ifdef __i386__ +/* Only breakpoint length less-than 8 has hardware support on i386. */ +volatile u32 data1; +#else volatile u64 data1; +#endif volatile u8 data2[3]; =20 #ifndef __s390x__ --=20 2.46.0.469.g59c65b2a67-goog