From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 E10201C68A8; Tue, 22 Oct 2024 16:00:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729612825; cv=none; b=C9fm55BXy0cI/9tYxTVVLJ0xSfKwAKPnsbxRpqPDye8V3f34xZ8U4E11emjHkljg7fIa/qAEmTRI1nCcdisbrVKCEot81Y9SESvDqQ7HqqilhJ3KBeifqQwLQL5atQm8l/oyDbg241XTA+hv/hp2CBqYI9+y29kO9IIfiMZizWw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729612825; c=relaxed/simple; bh=qSLmULyuQLTlYMQgi0y7aT2AgtmJ5HDHawdb49crJfs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=b4wPAMU50cPaXW1cWIrNVdxVOAODO9XFGhcT+pUhz3YyyIkZbFhQ8UIsJnxlR6ppwap046krc8I9l6237mUg+FeArPSc2lTJo3zQ/G++5PQsphdNeyDTs9FxCHEEukk1jWvwpBR4MweUPpbw9nFHgggUdYjtVZ1zJbqR3DxKRoA= 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=iFstUyNn; arc=none smtp.client-ip=192.198.163.15 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="iFstUyNn" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1729612824; x=1761148824; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=qSLmULyuQLTlYMQgi0y7aT2AgtmJ5HDHawdb49crJfs=; b=iFstUyNnjowaoIien41LByURh9DMKc+Y3ysrUh0OWn9htEf+szoa/Bw6 MppEGzjE8tEYaKaEB1y91Epm+rwdst8eciq3MREowmk7tuMK423s0IGXb MbEYqkEo6jSgNO6rrnKgwcwAEE65x2s+sX75R+rdDsKRQTa8owAdO48cp pAdp7xGj4UUPCL6vVYq1lSUu70sZwoPp6KZ3m0LG8GzICJSeD8hy7/Mli p9ixSB4ejY6YTs14t2viXD3YfOkQ3tPx/Aw9c96qXH/nvrcu3UFiYVDVf ntuNpyZVd+A8ZbP4N4LxQIiWs6li7OziWYvancWOWGet6RBD4r3fKX+U2 A==; X-CSE-ConnectionGUID: 0DeNsLS1SVioIt44cdlB7Q== X-CSE-MsgGUID: Yso8BXA8R+SjDywCkouAtQ== X-IronPort-AV: E=McAfee;i="6700,10204,11233"; a="29270946" X-IronPort-AV: E=Sophos;i="6.11,223,1725346800"; d="scan'208";a="29270946" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Oct 2024 09:00:23 -0700 X-CSE-ConnectionGUID: mLD736aNSEC4gZKMQJR+rQ== X-CSE-MsgGUID: amvlgsNDTg6uaMHp0nad6g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,223,1725346800"; d="scan'208";a="79858558" Received: from ahunter6-mobl1.ger.corp.intel.com (HELO ahunter-VirtualBox.ger.corp.intel.com) ([10.246.16.81]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Oct 2024 09:00:14 -0700 From: Adrian Hunter To: Peter Zijlstra 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 , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Subject: [PATCH V14 05/11] perf tools: Add aux_start_paused, aux_pause and aux_resume Date: Tue, 22 Oct 2024 18:59:11 +0300 Message-ID: <20241022155920.17511-6-adrian.hunter@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241022155920.17511-1-adrian.hunter@intel.com> References: <20241022155920.17511-1-adrian.hunter@intel.com> Precedence: bulk X-Mailing-List: linux-perf-users@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 Content-Transfer-Encoding: 8bit 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; } -- 2.43.0