From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) (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 7CE433EC822; Mon, 14 Sep 2026 22:47:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789426034; cv=none; b=a+legP5R/cUQJJAEO+4EbePzaoDGS0p8CzbbxzKT8t3QPmfxQHdbo3JyhEE3iMHnAB6G0P7oLUKsa/Iy3t24LwKJo9WvhNzQ6IgNRsxQqBlvOxN4bcfmGipAgR4cOJQs5rytIMQuSvM3AFhBKpoquHs5TiSQ9L8no5JyNT6mZEM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789426034; c=relaxed/simple; bh=dK3z6A8KixPpczhPoWzE6ssjtqaTjkHp/zksCpkhV8w=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=cg5SqKOdO9z3l8wg2NLJbKb1xTq8fjMSnSQPTMXcPw7DW/aWBlegI8+cbFStZh82zfpiNB8cnS48vYgnUAq1hkZRTLR4oCLsi3sSPUOZitpnzI0bNqgr2hKVcIQq42UTMbCH0Exn0r6bIViPUVsH4xOflwmEEtNDW3XgDFMFeuo= 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=TgT10XIO; arc=none smtp.client-ip=198.175.65.15 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="TgT10XIO" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789426026; x=1820962026; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=dK3z6A8KixPpczhPoWzE6ssjtqaTjkHp/zksCpkhV8w=; b=TgT10XIOtaFR/T2d2Up/Uu3S1UpfThkQpkxpklAUxawLMJ2zqgqbGSVP DnlrQ8ntkUaHEhv2oXkl42OroUd9TuKDHiedJquikw8+F9TThhk8Q1vzE lmk3b+iEoMcEKeHaRnhhuYFrPqgige6w2JnQhOZUeUzyj/flK8QmcHASz K/ECWzC1eGdYVujaIwG6vdSTUONymQVWA/6jwv5E0P7lTGdCAfo+XYv41 QrmdynYzKdnTMjBlaMJaja2OTYViIUhkOWCmQuo3gmvUkfTxjLG9AOf8u bnhmPZliv+OBLYJACWGzpakKiD/NeXHpbZ0BiiWWoCl4IJ7O1HQGy2TU4 A==; X-CSE-ConnectionGUID: 3too5kl0Rcy/ludZMmTb9g== X-CSE-MsgGUID: cRqrCwDASvWxmXYflYFhyw== X-IronPort-AV: E=McAfee;i="6800,10657,11905"; a="93483249" X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="93483249" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Sep 2026 15:47:05 -0700 X-CSE-ConnectionGUID: grRGt5YOQaqW01JIvz4XDA== X-CSE-MsgGUID: 7hoJorZGSxyPz4rePQCH7g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="268480114" Received: from khuang2-desk.gar.corp.intel.com (HELO tfalcon-desk.attlocal.net) ([10.124.223.56]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Sep 2026 15:47:05 -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 v9 6/6] perf c2c: print memory region data with stdio output Date: Mon, 14 Sep 2026 17:46:50 -0500 Message-ID: <20260914224650.52982-7-thomas.falcon@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260914224650.52982-1-thomas.falcon@intel.com> References: <20260914224650.52982-1-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 --- tools/perf/builtin-c2c.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index 3b7437906a65..ed3326909b61 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -2609,6 +2609,34 @@ 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(); @@ -2622,6 +2650,8 @@ 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"); -- 2.55.0