From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,HK_RANDOM_FROM,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6ED76C4361B for ; Wed, 16 Dec 2020 15:28:28 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EB633233EA for ; Wed, 16 Dec 2020 15:28:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EB633233EA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 354086E1F2; Wed, 16 Dec 2020 15:28:27 +0000 (UTC) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id E0F8E6E1EE; Wed, 16 Dec 2020 15:28:25 +0000 (UTC) IronPort-SDR: WXh1wVJfVMuftay0LqIGc0T1wM02EcUhrGdPqO0A0mNvjHwyg8gQJrKNSZ/v6u9DayoZft6fOY 5hoCBRBsOdyw== X-IronPort-AV: E=McAfee;i="6000,8403,9837"; a="154312575" X-IronPort-AV: E=Sophos;i="5.78,424,1599548400"; d="scan'208";a="154312575" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Dec 2020 07:28:25 -0800 IronPort-SDR: 5RAofbcVzKB/AG194ziPSqV7RAcaqt1x9gcvy3p1OpqjoQdte/uxSDNxueK5EaTiamsEh4ADuM RCE5ozE39mKQ== X-IronPort-AV: E=Sophos;i="5.78,424,1599548400"; d="scan'208";a="369115562" Received: from rafik-mobl1.ger.corp.intel.com (HELO localhost.localdomain) ([10.251.174.118]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Dec 2020 07:28:23 -0800 From: Tvrtko Ursulin To: igt-dev@lists.freedesktop.org Date: Wed, 16 Dec 2020 15:28:08 +0000 Message-Id: <20201216152809.706094-1-tvrtko.ursulin@linux.intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH i-g-t 1/2] intel_gpu_top: Support exiting the tool by pressing 'q' X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Intel-gfx@lists.freedesktop.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Tvrtko Ursulin Analoguous to top(1) we can enable the user to exit from the tool by pressing 'q' on the console. Signed-off-by: Tvrtko Ursulin --- man/intel_gpu_top.rst | 6 ++++ tools/intel_gpu_top.c | 77 +++++++++++++++++++++++++++++++++++-------- 2 files changed, 70 insertions(+), 13 deletions(-) diff --git a/man/intel_gpu_top.rst b/man/intel_gpu_top.rst index 5552e9699d26..2e0c3a05acc1 100644 --- a/man/intel_gpu_top.rst +++ b/man/intel_gpu_top.rst @@ -48,6 +48,12 @@ OPTIONS -d Select a specific GPU using supported filter. +RUNTIME CONTROL +=============== + +Supported keys: + + 'q' Exit from the tool. DEVICE SELECTION ================ diff --git a/tools/intel_gpu_top.c b/tools/intel_gpu_top.c index dbd353673e55..68911940f1d0 100644 --- a/tools/intel_gpu_top.c +++ b/tools/intel_gpu_top.c @@ -23,24 +23,26 @@ #include "igt_device_scan.h" -#include -#include -#include -#include #include -#include #include -#include -#include -#include +#include +#include #include #include -#include -#include -#include -#include #include +#include +#include +#include #include +#include +#include +#include +#include +#include +#include +#include +#include +#include #include "igt_perf.h" @@ -1246,6 +1248,54 @@ static char *tr_pmu_name(struct igt_device_card *card) return device; } +static void interactive_stdin(void) +{ + struct termios termios = { }; + int ret; + + ret = fcntl(0, F_GETFL, NULL); + ret |= O_NONBLOCK; + ret = fcntl(0, F_SETFL, ret); + assert(ret == 0); + + ret = tcgetattr(0, &termios); + assert(ret == 0); + + termios.c_lflag &= ~ICANON; + termios.c_cc[VMIN] = 1; + termios.c_cc[VTIME] = 0; /* Deciseconds only - we'll use poll. */ + + ret = tcsetattr(0, TCSAFLUSH, &termios); + assert(ret == 0); +} + +static void process_stdin(unsigned int timeout_us) +{ + struct pollfd p = { .fd = 0, .events = POLLIN }; + int ret; + + ret = poll(&p, 1, timeout_us / 1000); + if (ret <= 0) { + if (ret < 0) + stop_top = true; + return; + } + + for (;;) { + char c; + + ret = read(0, &c, 1); + if (ret <= 0) + break; + + switch (c) { + case 'q': + stop_top = true; + break; + }; + } +} + int main(int argc, char **argv) { unsigned int period_us = DEFAULT_PERIOD_MS * 1000; @@ -1315,6 +1365,7 @@ int main(int argc, char **argv) switch (output_mode) { case INTERACTIVE: pops = &term_pops; + interactive_stdin(); break; case STDOUT: pops = &stdout_pops; @@ -1427,7 +1478,7 @@ int main(int argc, char **argv) if (stop_top) break; - usleep(period_us); + process_stdin(period_us); } free(codename); -- 2.25.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx