From patchwork Thu Oct 10 14:31:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrian Hunter X-Patchwork-Id: 13830338 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4D9591FEFBB; Thu, 10 Oct 2024 14:33:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728570811; cv=none; b=HVo70beBmto+l5F2+KhIDKK8Bq968Ut6wiF3Ddjg//8hGQeJFNehhw+adv3rYGAiYhZ7iKxInjg2Xt7a93Qf1tLVmHGrWRv7RA+1cfbCqqtND9xx2UOEoMjHx8q3jREyUKCmPzysDisoWIQz82k2ehzBz2ClmUrgwhIGyox4VbY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728570811; c=relaxed/simple; bh=qSLmULyuQLTlYMQgi0y7aT2AgtmJ5HDHawdb49crJfs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=snOnZn2+fSbA0RjqeC/MnOxZ2t61ULwu44yhHQsZQyuCuWPH9qh+The11Eg5y07HBRRgz4yz3hj3Jb9cpIbpozweaZROdXRk0T4YZjEaEsCV4PUYYjF8Te+8CcsxYReEty56fYpPS8sTkQNIx7lMQx0IJoq92fXFj5JQKeoF5As= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=bpwZhXVR; arc=none smtp.client-ip=198.175.65.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="bpwZhXVR" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1728570810; x=1760106810; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=qSLmULyuQLTlYMQgi0y7aT2AgtmJ5HDHawdb49crJfs=; b=bpwZhXVRZF7qblL8u/QdsXLz2ZzSL6PDHSxnqoFmfktcQ022PsrCvYpA GAFTK22ufwIVa/LvCosD6XWfo5Muga2XlRFzRamdqtyDsI311oCa00eyL PncyXslMTTMIPoYj/JbV2vMR/mufqH+SY+w0NgPX9aUiD+WG2R13v+4sy BMFJvL6QR5uw71pG/oVjJpdYYI4si/UVEthDb+XuFtR86f1YG5q1tQ0aE B1UZK7WZv8aqtBnhNlVdI2qFot4BUtNWxyoMvNvqKc4zSxnImni37zlMR 73LI6+xy5Ul2eK9kwRIly0bpQZrcQMrV3omUOlOmEKw/ctQrLPP/qBZcP g==; X-CSE-ConnectionGUID: bkPz7NGMRRmDOwrEyGjKJQ== X-CSE-MsgGUID: MfDgB13mSTSlCpKFOQTW3w== X-IronPort-AV: E=McAfee;i="6700,10204,11220"; a="28064271" X-IronPort-AV: E=Sophos;i="6.11,193,1725346800"; d="scan'208";a="28064271" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Oct 2024 07:33:30 -0700 X-CSE-ConnectionGUID: Xgz0iM2QS3WIQVLatA3IUg== X-CSE-MsgGUID: 8hseDeOZSqulNhI151QSrA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,193,1725346800"; d="scan'208";a="81189382" Received: from ahunter6-mobl1.ger.corp.intel.com (HELO localhost.localdomain) ([10.246.16.81]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Oct 2024 07:33:20 -0700 From: Adrian Hunter To: Peter Zijlstra , Sean Christopherson , Paolo Bonzini Cc: Ingo Molnar , Mark Rutland , Alexander Shishkin , Heiko Carstens , Thomas Richter , Hendrik Brueckner , Suzuki K Poulose , Mike Leach , James Clark , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, Yicong Yang , Jonathan Cameron , Will Deacon , Arnaldo Carvalho de Melo , Jiri Olsa , Namhyung Kim , Ian Rogers , Andi Kleen , Thomas Gleixner , Borislav Petkov , Dave Hansen , x86@kernel.org, H Peter Anvin , Kan Liang , Zhenyu Wang , kvm@vger.kernel.org, Shuah Khan , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Subject: [PATCH V12 08/14] perf tools: Add aux_start_paused, aux_pause and aux_resume Date: Thu, 10 Oct 2024 17:31:45 +0300 Message-ID: <20241010143152.19071-9-adrian.hunter@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241010143152.19071-1-adrian.hunter@intel.com> References: <20241010143152.19071-1-adrian.hunter@intel.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Add struct perf_event_attr members to support pause and resume of AUX area tracing. Signed-off-by: Adrian Hunter Acked-by: Ian Rogers Reviewed-by: Andi Kleen --- tools/include/uapi/linux/perf_event.h | 11 ++++++++++- tools/perf/util/perf_event_attr_fprintf.c | 3 +++ 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h index 4842c36fdf80..0524d541d4e3 100644 --- a/tools/include/uapi/linux/perf_event.h +++ b/tools/include/uapi/linux/perf_event.h @@ -511,7 +511,16 @@ struct perf_event_attr { __u16 sample_max_stack; __u16 __reserved_2; __u32 aux_sample_size; - __u32 __reserved_3; + + union { + __u32 aux_action; + struct { + __u32 aux_start_paused : 1, /* start AUX area tracing paused */ + aux_pause : 1, /* on overflow, pause AUX area tracing */ + aux_resume : 1, /* on overflow, resume AUX area tracing */ + __reserved_3 : 29; + }; + }; /* * User provided data if sigtrap=1, passed back to user via diff --git a/tools/perf/util/perf_event_attr_fprintf.c b/tools/perf/util/perf_event_attr_fprintf.c index 59fbbba79697..29db0aef9a74 100644 --- a/tools/perf/util/perf_event_attr_fprintf.c +++ b/tools/perf/util/perf_event_attr_fprintf.c @@ -335,6 +335,9 @@ int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr, PRINT_ATTRf(sample_max_stack, p_unsigned); PRINT_ATTRf(aux_sample_size, p_unsigned); PRINT_ATTRf(sig_data, p_unsigned); + PRINT_ATTRf(aux_start_paused, p_unsigned); + PRINT_ATTRf(aux_pause, p_unsigned); + PRINT_ATTRf(aux_resume, p_unsigned); return ret; }