From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (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 029015650F7; Wed, 23 Sep 2026 17:09:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790183371; cv=none; b=mmSrBVJWl68FUcGbKFkx1zudNjWt17eY0ZcoKEU+tF7an+4oatgNx9U2b1c2nImrxsT2lcEWPjYriwLUtI5C+04xe1P1IQjhszLDvafJWGIbno/L5RQhAOkjcm2bX9I9adhvsiBRUEU5qKENdUUeai8DNuhWNcky+es1zSK9Iyk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790183371; 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=gCKtPQZ37ujfuy9dAnHv/m2FljDG3aRawejcih2buRsb4Bw8n4i+pz15o4smpcOMzyE3shmdn469Use8JpWhkN8zBArP1vPtXfdvtlCXl0ocEswee7aCwQWbRzPS7ujERicvHCBfdsE1sFM+/ALt+uCyxLzJSnfB5FKliIzxDp4= 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=Z/DM7/1C; arc=none smtp.client-ip=192.198.163.19 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="Z/DM7/1C" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790183367; x=1821719367; 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=Z/DM7/1CpSQdhXVqzMZMBKDN+8C4/DlSiqphIE4McDGPqxyTFihqWDvw 5XhdK+3wAJY3Wa7C6sWTbLbMtD1tCnCVZ+w/3WlauXr+cGxELS8SgCUtS 2Bh7ifjNBC+dkTZDYiDdvv4pG3krqHMiiAkyy42BwdfZN85mAcDBf0jTL vPG1gEsiz98tXhQt95mcMxJOP1cYA0U1kgDgi+dVgI3+9SBrZlm8w+sFV uSAGBJ4AXgrPwXRNgO87NgqosDDNhoUjmFX9baffapm8GOECl5/6TwZt8 AI/ZxRA/tmzA20TqwuDG7+JH7Xo9oZ22frlTiT6t/Bmg2OD2qq4Gk3yq5 g==; X-CSE-ConnectionGUID: lAzip3qQQgGrvP14X7zsnQ== X-CSE-MsgGUID: aG+reZpSScyKvsBPNnjgHA== X-IronPort-AV: E=McAfee;i="6800,10657,11914"; a="89820306" X-IronPort-AV: E=Sophos;i="6.27,118,1787036400"; d="scan'208";a="89820306" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2026 10:09:21 -0700 X-CSE-ConnectionGUID: cjexlUh7T/aqoY6KqzvD/Q== X-CSE-MsgGUID: wf7Pm4GWQaS1qoYohKDzgw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,118,1787036400"; d="scan'208";a="301631651" 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 10:09:20 -0700 From: Thomas Falcon To: sashiko-bot@kernel.org 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 , Dapeng Mi Subject: [PATCH v12 6/6] perf c2c: print memory region data with stdio output Date: Wed, 23 Sep 2026 12:09:03 -0500 Message-ID: <20260923170903.48388-7-thomas.falcon@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260923170903.48388-1-thomas.falcon@intel.com> References: <20260923161043.95C171F000FF@smtp.kernel.org> <20260923170903.48388-1-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