Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752540AbbBRCTc (ORCPT ); Tue, 17 Feb 2015 21:19:32 -0500 Received: from mail-pd0-f174.google.com ([209.85.192.174]:39369 "EHLO mail-pd0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752307AbbBRCT3 (ORCPT ); Tue, 17 Feb 2015 21:19:29 -0500 From: Brian Norris To: Zhang Rui , Cc: Neil Horman , Brian Norris , Javi Merino , Florian Fainelli , , Subject: [PATCH 1/8] tools/thermal: tmon: add --target-temp parameter Date: Tue, 17 Feb 2015 18:18:29 -0800 Message-Id: <1424225916-13488-2-git-send-email-computersforpeace@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1424225916-13488-1-git-send-email-computersforpeace@gmail.com> References: <1424225916-13488-1-git-send-email-computersforpeace@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3162 Lines: 90 If we launch in daemon mode (--daemon), we don't have the ncurses UI, but we might want to set the target temperature still. For example, someone might stick the following in their boot script: tmon --control intel_powerclamp --target-temp 90 --log --daemon This would turn on CPU idle injection when we're around 90 degrees celsius, and would log temperature and throttling info to /var/tmp/tmon.log. Signed-off-by: Brian Norris --- tools/thermal/tmon/tmon.8 | 2 ++ tools/thermal/tmon/tmon.c | 14 ++++++++++++-- 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/tools/thermal/tmon/tmon.8 b/tools/thermal/tmon/tmon.8 index 0be727cb9892..02d5179803aa 100644 --- a/tools/thermal/tmon/tmon.8 +++ b/tools/thermal/tmon/tmon.8 @@ -55,6 +55,8 @@ The \fB-l --log\fP option write data to /var/tmp/tmon.log .PP The \fB-t --time-interval\fP option sets the polling interval in seconds .PP +The \fB-T --target-temp\fP option sets the initial target temperature +.PP The \fB-v --version\fP option shows the version of \fBtmon \fP .PP The \fB-z --zone\fP option sets the target therma zone instance to be controlled diff --git a/tools/thermal/tmon/tmon.c b/tools/thermal/tmon/tmon.c index 09b7c3218334..9aa19652e8e8 100644 --- a/tools/thermal/tmon/tmon.c +++ b/tools/thermal/tmon/tmon.c @@ -64,6 +64,7 @@ void usage() printf(" -h, --help show this help message\n"); printf(" -l, --log log data to /var/tmp/tmon.log\n"); printf(" -t, --time-interval sampling time interval, > 1 sec.\n"); + printf(" -T, --target-temp initial target temperature\n"); printf(" -v, --version show version\n"); printf(" -z, --zone target thermal zone id\n"); @@ -219,6 +220,7 @@ static struct option opts[] = { { "control", 1, NULL, 'c' }, { "daemon", 0, NULL, 'd' }, { "time-interval", 1, NULL, 't' }, + { "target-temp", 1, NULL, 'T' }, { "log", 0, NULL, 'l' }, { "help", 0, NULL, 'h' }, { "version", 0, NULL, 'v' }, @@ -231,7 +233,7 @@ int main(int argc, char **argv) { int err = 0; int id2 = 0, c; - double yk = 0.0; /* controller output */ + double yk = 0.0, temp; /* controller output */ int target_tz_index; if (geteuid() != 0) { @@ -239,7 +241,7 @@ int main(int argc, char **argv) exit(EXIT_FAILURE); } - while ((c = getopt_long(argc, argv, "c:dlht:vgz:", opts, &id2)) != -1) { + while ((c = getopt_long(argc, argv, "c:dlht:T:vgz:", opts, &id2)) != -1) { switch (c) { case 'c': no_control = 0; @@ -254,6 +256,14 @@ int main(int argc, char **argv) if (ticktime < 1) ticktime = 1; break; + case 'T': + temp = strtod(optarg, NULL); + if (temp < 0) { + fprintf(stderr, "error: temperature must be positive\n"); + return 1; + } + target_temp_user = temp; + break; case 'l': printf("Logging data to /var/tmp/tmon.log\n"); logging = 1; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/