From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) (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 E57D73E1D06; Thu, 9 Jul 2026 22:17:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783635482; cv=none; b=MT0lCqN4utSayoyjJDk/9r5wp5f++W8wrAdn6zS3mCOVWjk3Kefr3KFLkqd4DAe0QNcQnyH9N8Zhp/KcfFhrIDRLCL7B6wuigibnpc07E1D15/W6UQdQwTrZ44+3bDfyLxz91Yzky1abnpbrQJAOkwNAjPnRmgIMTomyog5GYvI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783635482; c=relaxed/simple; bh=rgs0BhPD/zH6NItLzg40beegeczWhpwp0MrLM9lv6UY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Fc8cLovSVrroukGJEsoxXqvoPytPYPwJrlkTMApeVTNvaZMqTEu/fOE6bJa8/chElDWMAwQug3P5VrcVMJzqmEoRhYW5EFttTOM0N2O6zvf9pbGanrytMmm/FDhZTxpFb1C5kjd+PyH0LYkpHyZXUoOts3oLtCy9vZNDvpdJBoI= 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=H/uNsHiW; arc=none smtp.client-ip=192.198.163.12 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="H/uNsHiW" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1783635480; x=1815171480; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=rgs0BhPD/zH6NItLzg40beegeczWhpwp0MrLM9lv6UY=; b=H/uNsHiWJnNEwachZdJZ0n8jX50Y5sC67ujid9ZH5dhdh6RDX1P8KoEs eqd4tpVuAlJPutjhajFAtEXg24tlE5ODKYetnZFy9OOUEjyxbqS7Wmz/g YPofLBlKQZRFYPGETz2pFvzZl5F5m/ewIhk6PJmconR8zMzkbNN7IlQBB gDM2jsACAIjj0nje0f13HP4NbW4grvaj0L8Pw6JyJkWwvr/uvLs45RS1M EfFeLmgTrrpJU21rVfyD7Vz31JB8mxtsKy9COR0mpd7VHQNyEj2bO9U6K jVPzX9xhVhPyxCH7xmsjEY7nwhi8mebcZHDsRZE92isr7L0LfwiSaWuEl A==; X-CSE-ConnectionGUID: 6+vmEiO3Rj+wdle78FbnVg== X-CSE-MsgGUID: pOEKdJy7QOSDpkAiC6cjZw== X-IronPort-AV: E=McAfee;i="6800,10657,11841"; a="88163403" X-IronPort-AV: E=Sophos;i="6.25,154,1779174000"; d="scan'208";a="88163403" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jul 2026 15:17:59 -0700 X-CSE-ConnectionGUID: 1mjrAdDnRG+OozZqMkJi0A== X-CSE-MsgGUID: cG9MJ90DQ3m2T5Ge6A4q6g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,154,1779174000"; d="scan'208";a="259620910" Received: from khuang2-desk.gar.corp.intel.com (HELO tfalcon-desk.attlocal.net) ([10.124.223.97]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jul 2026 15:17:58 -0700 From: Thomas Falcon To: linux-perf-users@vger.kernel.org Cc: 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 6/6] perf c2c: print memory region data with stdio output Date: Thu, 9 Jul 2026 17:17:36 -0500 Message-ID: <20260709221736.33446-7-thomas.falcon@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260709221736.33446-1-thomas.falcon@intel.com> References: <20260709221736.33446-1-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. Assisted-by: Sashiko:gemini-3.1-pro-preview 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 57e822dbd2d4..3fb8afba25be 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -2634,6 +2634,34 @@ 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(); @@ -2647,6 +2675,8 @@ 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