From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (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 63BC753D0D7; Wed, 23 Sep 2026 15:57:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790179042; cv=none; b=Jh2pxMr+9geomRO6C0UkD4U71YGhWebA0a4njowKuj/jBgQ7Acqd7AZcIXi1GpGLIbCWjEQ+2iRTbmXel1ktCbzSFMQRU6S+NlQMKrLthhTSPqA0szSCdr7BYwEzwrsfNZ/elMfZCpD5Df4UF7SCrslRwWjbc2+fESxZ5GOzAYs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790179042; c=relaxed/simple; bh=Z/w/kI/X4tXR/s2nUyxfG2V8PK+h36DMzF53LKcUUqE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GCohl5G7q0uE0GGRO8drv75qQbsSFACWCDa1tWzxS3V7YQ9TgxCQoyx6J6GwYOLgfSo7FaPqkjD90Gbr1dVHuzLVl36CQ6VnsHLWlncTOwIHZ8xFf9Mp65gRWQ+GW6wL7rOe65HyeATSLac60Z5RhZ2++ygPBJqYShq7Us3+dME= 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=fgTAekkr; arc=none smtp.client-ip=192.198.163.16 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="fgTAekkr" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790179039; x=1821715039; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Z/w/kI/X4tXR/s2nUyxfG2V8PK+h36DMzF53LKcUUqE=; b=fgTAekkrIcSragk8z4KuFKX5wAfmXDIEj6CNrUORsfvOfQk/D/gd/J7g zCa1a/efF4d3gksHxZYWnm68937wAkqkuSURo2egSRXQKrbXXIhYCQZzg F5Wv0HOqpya7NvQ/B44c17/jV540lSK6T8sc1jQMFg0/Sq1Zb5DR6cfMK lJBquxzHkR65pgIlAkh2hdrr4YtAq0OMgNCgCI2oiJARu2lkSdA3fN6e9 mkSYbtLcZv1tIY61DwhxzHzzWPe07Fo58CkTgq7wLvIAdfuvukORJk5L4 fMlehqTdI+vfXOC1WqWU2rAmvYPznrh1Tnfdt/+3Xt1smqf7pgXxcHsfH Q==; X-CSE-ConnectionGUID: VDA8cshyRQyeIVZp4d9jaw== X-CSE-MsgGUID: mVERw9rrSF2Jx5rULKluYw== X-IronPort-AV: E=McAfee;i="6800,10657,11914"; a="78445987" X-IronPort-AV: E=Sophos;i="6.27,118,1787036400"; d="scan'208";a="78445987" Received: from fmviesa013.fm.intel.com ([10.60.135.153]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2026 08:57:14 -0700 X-CSE-ConnectionGUID: g6YnwgaVSEKxZW1sNlvnYw== X-CSE-MsgGUID: vTX+ZWzyTyy5EGoSyHStpA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,118,1787036400"; d="scan'208";a="4935342" Received: from rosenzwe-mobl1.amr.corp.intel.com (HELO tfalcon-desk.attlocal.net) ([10.124.221.119]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2026 08:57:14 -0700 From: Thomas Falcon To: Dapeng Mi Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark Subject: [PATCH v11 6/6] perf c2c: print memory region data with stdio output Date: Wed, 23 Sep 2026 10:57:03 -0500 Message-ID: <20260923155703.34814-7-thomas.falcon@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260923155703.34814-1-thomas.falcon@intel.com> References: <20260923155703.34814-1-thomas.falcon@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Print memory range data in perf-c2c subcommand. Only available in stdio mode currently. If memory ranges are not supported or present, print nothing. Example output of perf c2c report --stdio: ================================================= Memory Ranges ================================================= Range 0: [0x0000000000000000-0x00000000bfffffff] Node 0, local region id 0, remote region id 255 Range 1: [0x0000000100000000-0x000000203fffffff] Node 0, local region id 0, remote region id 255 Range 2: [0x0000008000000000-0x0000027fffffffff] Node -2, local region id 1, remote region id 255 Range 3: [0x0000028000000000-0x0000047fffffffff] Node -2, local region id 1, remote region id 255 Range 4: [0x0000048000000000-0x000004ffffffffff] Node -2, local region id 1, remote region id 255 Assisted-by: Sashiko:gemini-3.1-pro-preview Reviewed-by: Ian Rogers Reviewed-by: Namhyung Kim Signed-off-by: Thomas Falcon --- v10: Fixup double blank line before print_memory_ranges_info() define --- tools/perf/builtin-c2c.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index a42423ca990d..2c8e1c7adedd 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -2597,6 +2597,33 @@ static void print_c2c_info(FILE *out, struct perf_session *session) fprintf(out, " Cacheline data grouping : %s\n", c2c.cl_sort); } +static void print_memory_ranges_info(FILE *out, struct perf_session *session) +{ + struct perf_env *env = perf_session__env(session); + int nr_ranges = 0; + + if (!perf_header__has_feat(&session->header, HEADER_MEMORY_RANGES)) + return; + nr_ranges = env->nr_memory_ranges; + if (nr_ranges == 0) { + pr_debug("No memory ranges found, skipping\n"); + return; + } + + fprintf(out, "\n"); + fprintf(out, "=================================================\n"); + fprintf(out, " Memory Ranges \n"); + fprintf(out, "=================================================\n"); + + for (int i = 0; i < nr_ranges; i++) { + struct memory_range *r = &env->memory_ranges[i]; + + fprintf(out, "Range %d: [0x%016" PRIx64 "-0x%016" PRIx64 "] Node %d, local region id %u, remote region id %u\n", + i, r->base, r->base + r->length - 1, r->node, + r->local_region_id, r->remote_region_id); + } +} + static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session) { setup_pager(); @@ -2610,6 +2637,8 @@ static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session) if (c2c.stats_only) return; + print_memory_ranges_info(out, session); + fprintf(out, "\n"); fprintf(out, "=================================================\n"); fprintf(out, " Shared Data Cache Line Table \n"); -- 2.43.0