From patchwork Fri Jul 18 15:38:48 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Bragg X-Patchwork-Id: 4586241 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id E465CC0514 for ; Fri, 18 Jul 2014 15:37:32 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E490D2013A for ; Fri, 18 Jul 2014 15:37:28 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 1ED1E20179 for ; Fri, 18 Jul 2014 15:37:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 746336E79A; Fri, 18 Jul 2014 08:37:25 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 03FA36E79A for ; Fri, 18 Jul 2014 08:37:23 -0700 (PDT) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 18 Jul 2014 08:36:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,685,1400050800"; d="scan'208";a="571894377" Received: from unknown (HELO localhost) ([10.255.13.8]) by fmsmga002.fm.intel.com with ESMTP; 18 Jul 2014 08:36:08 -0700 From: Robert Bragg To: intel-gfx@lists.freedesktop.org Date: Fri, 18 Jul 2014 16:38:48 +0100 Message-Id: <1405697933-30152-5-git-send-email-robert.bragg@intel.com> X-Mailer: git-send-email 2.0.1 In-Reply-To: <1405697933-30152-1-git-send-email-robert.bragg@intel.com> References: <1405697933-30152-1-git-send-email-robert.bragg@intel.com> Subject: [Intel-gfx] [PATCH 4/9] intel_gpu_top: read max/current gt freq via sysfs X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP --- tools/intel_gpu_top.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/tools/intel_gpu_top.c b/tools/intel_gpu_top.c index 7574ef0..3115b5e 100644 --- a/tools/intel_gpu_top.c +++ b/tools/intel_gpu_top.c @@ -39,6 +39,9 @@ #include #include #include +#include +#include +#include #ifdef HAVE_TERMIOS_H #include #endif @@ -127,6 +130,24 @@ gettime(void) } static int +read_file_int(const char *file) +{ + char buf[32]; + int fd, n; + + fd = open(file, 0); + if (fd < 0) + return -1; + n = read(fd, buf, sizeof (buf) - 1); + close(fd); + if (n < 0) + return -1; + + buf[n] = '\0'; + return strtol(buf, 0, 0); +} + +static int top_bits_sort(const void *a, const void *b) { struct top_bit * const *bit_a = a; @@ -280,6 +301,16 @@ print_clock_info(struct pci_device *pci_dev) print_clock("render", render_clock); printf(" "); print_clock("display", display_clock); + } else { + int max_render_clock; + int cur_render_clock; + + max_render_clock = read_file_int("/sys/class/drm/card0/gt_max_freq_mhz"); + cur_render_clock = read_file_int("/sys/class/drm/card0/gt_cur_freq_mhz"); + + print_clock("max render", max_render_clock); + printf(" "); + print_clock("current render", cur_render_clock); }