From patchwork Mon Jul 15 16:07:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrian Hunter X-Patchwork-Id: 13733631 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 71E65C3DA4B for ; Mon, 15 Jul 2024 16:10:13 +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=PxbhH65Nuu52KgbSSf3StLoBkv C27sB9XrYFe/2iCPGNh2yO4riXzdupJJnLcwj97X+/h44xdKFS+AXP33dzPNqiabxk2v77mfeEgP8 NxM0o32AbDfDm7dqhpOU+jv5wH8feRIgoF2I0qQtFldIVuYRs+iTnFZUjXWAIaBklbQiIK9T/2mFx IFOCNEzL1pvKfQkWtACYnKAEr4O9A1Y7XfAU6mK+MwaBe+M8zNEHyPPNLEyv0pnFodTv81heggJdC uVr49b2ZBAwJV0OzZrP6zbLyATZrjItbdjCMh0vQV+cakChLd4OLb48Pw9WWZsxcH1rHjdzQ8lzoJ BsRHXOcA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sTOH2-00000007fkf-386m; Mon, 15 Jul 2024 16:10:00 +0000 Received: from mgamail.intel.com ([192.198.163.13]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sTOFC-00000007eph-0n4k for linux-arm-kernel@lists.infradead.org; Mon, 15 Jul 2024 16:08:07 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1721059686; x=1752595686; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Vc4onBiyA081mqZ+u8spT9LVIyOZyH6KyTqbDavfdDU=; b=O2C2eHQuhX+HhM9IskNxkkWckMrWtOWPESMqNUcCHgb2xW3YjkrPHS8i 7Lhe5NyGt9Q7HCfDT+b7/p5fgeXmIJ2WtyAQ1Ehp/PtguxIaUATMlfOYb sPqTGjZPH+2mLjQWs7S3CsLyFTD14qdv8+yyFLsB9MHS7ZOYbbAONo1V0 M4Wtdg0eApFjm4PGCIRPSDCC+vG1YrzJgsdgkdIxtPfhRlufUa/OikdSG 1JodihNOd/eyadcMpqzFluWVNQWiNEUMOvGLwSuEuaO9dqnEFYJjpRSDB V83ukgrJYcTmlgA55uf9WdRVg/pBcukObFSZ1MzBh1h2d0SGjqE2o4ofr g==; X-CSE-ConnectionGUID: a2zMNOqqQQ2OCHOrLsv8GQ== X-CSE-MsgGUID: H4prvu5PTCi/ocVU9ZUamA== X-IronPort-AV: E=McAfee;i="6700,10204,11134"; a="21361282" X-IronPort-AV: E=Sophos;i="6.09,210,1716274800"; d="scan'208";a="21361282" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jul 2024 09:08:06 -0700 X-CSE-ConnectionGUID: GuNpw9M0SLqbyIk/zrzUig== X-CSE-MsgGUID: 2Whl8MrhRj6gR3GPD5c1gQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,210,1716274800"; d="scan'208";a="49413582" Received: from ahunter6-mobl1.ger.corp.intel.com (HELO localhost.localdomain) ([10.246.49.253]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jul 2024 09:08:00 -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 V9 07/13] perf tools: Add aux_start_paused, aux_pause and aux_resume Date: Mon, 15 Jul 2024 19:07:06 +0300 Message-Id: <20240715160712.127117-8-adrian.hunter@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240715160712.127117-1-adrian.hunter@intel.com> References: <20240715160712.127117-1-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-20240715_090806_250822_AF369542 X-CRM114-Status: GOOD ( 12.92 ) 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; }