From patchwork Tue Aug 6 15:55:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrian Hunter X-Patchwork-Id: 13755203 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 45C2FC52D71 for ; Tue, 6 Aug 2024 17:00:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=vgNwcnUMjN25zQRZjNL66zGcjLv7HfEfHNyrpmrhCp8=; b=Gi8MoQ0hzAqenKWuCfQChwqQjs AF0SdnYSiawUAlomxuPSOcDmu+95qNu58Qzz7W27WbiZUmraOyy0J27xC5wIc3xF4qRUbrYdXFZ+x clEQ2WnC+huoL0KCWW87jghI255atLW52I2mKFz3ghxId9muZ+iRNXFOCru0ino7jvQhOfj+jIP4a SEtwawWyk36UGpPxG2nQ+2ZnGLp0eBN8i8aPI8rI5BUVynYsthWHkGR/uCGrDL5/wo9wXDY92aHD2 HKQmjOuneIKjj+7hJELZMJOcdSg6notZnaSOogyY5MnxPw7V3Mqs0O+TbRo/AoJ0xuJ/4HSeUg8ZA HwozHkiw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sbNY5-00000002Pv8-1Gtf; Tue, 06 Aug 2024 17:00:37 +0000 Received: from mgamail.intel.com ([198.175.65.9]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sbMYf-00000002Fec-050W for linux-arm-kernel@lists.infradead.org; Tue, 06 Aug 2024 15:57:11 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1722959829; x=1754495829; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Vc4onBiyA081mqZ+u8spT9LVIyOZyH6KyTqbDavfdDU=; b=kRQDhUcSICp22dFoNyQuxcmyR5DhQ9v9IAzjaA7Fx4vpfYGXZBcCtrfz S1M0pLkqZ2+41QEsGGWVJiAg+/QQmUpL2hmTsRIv56SJvWnJergljNtn7 Q7xK4h8if0C+Jozw+Jb8zGfXD6zeB1Po79z0JHKTov2TN0mQNkDvruBqh PhGZkN5CWbWB8zn2OaYpIdehv7txYwf6Es+8fuxW6d2OnYSyGBUwFjK3J wV89NyCKq8YFHxXcXdimy3PlqJyNwUV12yzhfybCxLE8jwqILFLxKdd8V 8n+4zDbi7qYyhsW0YMJTDwk6qC9NGmas4iSx0v0h07hpApkBSu2N0XrNn A==; X-CSE-ConnectionGUID: 1ENK4D5rT8uOCIxvetTSzQ== X-CSE-MsgGUID: SS7NRQ9wSYOfbNlPNqkzww== X-IronPort-AV: E=McAfee;i="6700,10204,11156"; a="43514124" X-IronPort-AV: E=Sophos;i="6.09,268,1716274800"; d="scan'208";a="43514124" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Aug 2024 08:55:56 -0700 X-CSE-ConnectionGUID: myVnSxqvSEmIiMd8WTqf1w== X-CSE-MsgGUID: TmNWln+xR+iKiGHo7i7D/w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,268,1716274800"; d="scan'208";a="56631198" Received: from ahunter6-mobl1.ger.corp.intel.com (HELO localhost.localdomain) ([10.94.248.17]) by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Aug 2024 08:55:51 -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 , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Subject: [PATCH V11 04/10] perf tools: Add aux_start_paused, aux_pause and aux_resume Date: Tue, 6 Aug 2024 18:55:08 +0300 Message-Id: <20240806155514.17900-5-adrian.hunter@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240806155514.17900-1-adrian.hunter@intel.com> References: <20240806155514.17900-1-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-20240806_085709_363001_EF45D31B X-CRM114-Status: GOOD ( 12.80 ) 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 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 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 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; }