From patchwork Thu Jan 11 08:19:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrian Hunter X-Patchwork-Id: 13516873 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 07800C4707B for ; Thu, 11 Jan 2024 08:20:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xNiBsP2s4JvgrBV5XQjCTBP8VRqbZ/rwUyKev7BOr0g=; b=mQYDWwxpxx7ulV TxYW+4J1mh28EwNmgmI3YeYgfJHub6ruQ0QwG5is5n8fSvjnrLrlcvg8Ca0VGFZllx5e+/lo0Sh9K 7mPtxPZp116PHdWS9fjXFRxLwnwv/QLgkaJIw9fByKodHOWUfxC4CYYdsAHiwYcGGpMThN2cPHI4o EGpUGF8e4u/GUdNXGKBOvARba0NC08pBh0OtGOQJGHi5Vrgh21R05oGg9YlVCsI/lSXzmkNCPt2b7 w5GV+gOaOomrOCnjrjjJvQj2enFtzc6Qw9sO2xRWWcRHnFmux+cll/z9+O8RZIx2N+yJLJoELOMaj 9SBeDrbc0JZmmEB9ZLaQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rNqIB-00GTG7-0G; Thu, 11 Jan 2024 08:19:59 +0000 Received: from mgamail.intel.com ([134.134.136.100]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rNqI7-00GSyh-31 for linux-arm-kernel@lists.infradead.org; Thu, 11 Jan 2024 08:19:57 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1704961195; x=1736497195; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=U0uDughyUb2zbF3KZKwRA65PNmghWD9wR89tZmHO4oc=; b=PpWx2bBVralgg53A5m9A0i9+mFKfeOFbHBNrBKRBf3OxDQAHhLZthp/6 OT3y3tDWQU7hnndoRkDl+ikdpS/cy77k2MT3PWtIum0a4v9oDEUb3H0Wt 6HZ1xiTDOF0VVEkUoZ+hamin+VkA4gSiU3qb9f6kYnXLBrJ/arGhFerzS bTSIOtFGZMpm/Qe4lYLqjYXFQp45tAKPwsi9e061Q7pn56dP+wX6CJaMz IGu50WWVxIy2nCsPzlGLcKxgbjPE2O5rZHJulymjJt58v14r5xaTsoHJi 3G/YD2qtL+H3/gCEDbL4pvDhGDPJwSGd74RCILbDwFHdIpt4tMsp3tWXn g==; X-IronPort-AV: E=McAfee;i="6600,9927,10949"; a="465166462" X-IronPort-AV: E=Sophos;i="6.04,185,1695711600"; d="scan'208";a="465166462" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jan 2024 00:19:55 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10949"; a="925923058" X-IronPort-AV: E=Sophos;i="6.04,185,1695711600"; d="scan'208";a="925923058" Received: from ahunter6-mobl1.ger.corp.intel.com (HELO ahunter-VirtualBox.home\044ger.corp.intel.com) ([10.252.52.224]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jan 2024 00:19:50 -0800 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 , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Subject: [PATCH V4 05/11] perf tools: Add aux_start_paused, aux_pause and aux_resume Date: Thu, 11 Jan 2024 10:19:08 +0200 Message-Id: <20240111081914.3123-6-adrian.hunter@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240111081914.3123-1-adrian.hunter@intel.com> References: <20240111081914.3123-1-adrian.hunter@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240111_001956_080882_77A9686B X-CRM114-Status: GOOD ( 13.50 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add struct perf_event_attr members to support pause and resume of AUX area tracing. Signed-off-by: Adrian Hunter --- 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 3a64499b0f5d..0c557f0a17b3 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 8f04d3b7f3ec..0e3cb35aab33 100644 --- a/tools/perf/util/perf_event_attr_fprintf.c +++ b/tools/perf/util/perf_event_attr_fprintf.c @@ -323,6 +323,9 @@ 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; }