diff options
Diffstat (limited to 'cpufreq/src/cpufreq-monitor-procfs.c')
| -rw-r--r-- | cpufreq/src/cpufreq-monitor-procfs.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/cpufreq/src/cpufreq-monitor-procfs.c b/cpufreq/src/cpufreq-monitor-procfs.c deleted file mode 100644 index 0c7b3b9c..00000000 --- a/cpufreq/src/cpufreq-monitor-procfs.c +++ /dev/null @@ -1,219 +0,0 @@ -/* - * MATE CPUFreq Applet - * Copyright (C) 2004 Carlos Garcia Campos <[email protected]> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this library; if not, write to the Free - * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Authors : Carlos Garc�a Campos <[email protected]> - */ - -#include <glib.h> -#include <glib/gi18n.h> - -#include <string.h> -#include <stdlib.h> -#include <stdio.h> - -#include "cpufreq-monitor-procfs.h" -#include "cpufreq-utils.h" - -static gboolean cpufreq_monitor_procfs_run (CPUFreqMonitor *monitor); -static GList *cpufreq_monitor_procfs_get_available_frequencies (CPUFreqMonitor *monitor); - -G_DEFINE_TYPE (CPUFreqMonitorProcfs, cpufreq_monitor_procfs, CPUFREQ_TYPE_MONITOR) - -static void -cpufreq_monitor_procfs_init (CPUFreqMonitorProcfs *monitor) -{ -} - -static void -cpufreq_monitor_procfs_class_init (CPUFreqMonitorProcfsClass *klass) -{ - CPUFreqMonitorClass *monitor_class = CPUFREQ_MONITOR_CLASS (klass); - - monitor_class->run = cpufreq_monitor_procfs_run; - monitor_class->get_available_frequencies = cpufreq_monitor_procfs_get_available_frequencies; -} - -CPUFreqMonitor * -cpufreq_monitor_procfs_new (guint cpu) -{ - CPUFreqMonitorProcfs *monitor; - - monitor = g_object_new (TYPE_CPUFREQ_MONITOR_PROCFS, "cpu", cpu, NULL); - - return CPUFREQ_MONITOR (monitor); -} - -static gint -cpufreq_monitor_procfs_get_freq_from_userspace (guint cpu) -{ - gchar *buffer = NULL; - gchar *path; - gchar *p; - gchar *frequency; - gint freq; - gint len; - GError *error = NULL; - - path = g_strdup_printf ("/proc/sys/cpu/%u/speed", cpu); - - if (!cpufreq_file_get_contents (path, &buffer, NULL, &error)) { - g_warning ("%s", error->message); - g_error_free (error); - - g_free (path); - - return -1; - } - - g_free (path); - - /* Try to remove the '\n' */ - p = g_strrstr (buffer, "\n"); - len = strlen (buffer); - if (p) - len -= strlen (p); - - frequency = g_strndup (buffer, len); - g_free (buffer); - - freq = atoi (frequency); - g_free (frequency); - - return freq; -} - -static gboolean -cpufreq_monitor_procfs_parse (CPUFreqMonitorProcfs *monitor, - gint *cpu, - gint *fmax, - gint *pmin, - gint *pmax, - gint *fmin, - gchar *mode) -{ - gchar **lines; - gchar *buffer = NULL; - gint i, count; - guint mon_cpu; - GError *error = NULL; - - if (!cpufreq_file_get_contents ("/proc/cpufreq", &buffer, NULL, &error)) { - g_warning ("%s", error->message); - g_error_free (error); - - return FALSE; - } - - g_object_get (G_OBJECT (monitor), - "cpu", &mon_cpu, NULL); - - count = 0; - lines = g_strsplit (buffer, "\n", -1); - for (i = 0; lines[i]; i++) { - if (g_ascii_strncasecmp (lines[i], "CPU", 3) == 0) { - /* CPU 0 650000 kHz ( 81 %) - 800000 kHz (100 %) - powersave */ - count = sscanf (lines[i], "CPU %d %d kHz (%d %%) - %d kHz (%d %%) - %20s", - cpu, fmin, pmin, fmax, pmax, mode); - - if ((guint)(*cpu) == mon_cpu) - break; - } - } - - g_strfreev (lines); - g_free (buffer); - - return (count == 6); -} - -static gboolean -cpufreq_procfs_cpu_is_online (void) -{ - return g_file_test ("/proc/cpufreq", - G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR); -} - -static gboolean -cpufreq_monitor_procfs_run (CPUFreqMonitor *monitor) -{ - gint fmax, fmin, cpu; - gint pmin, pmax; - gchar mode[21]; - gint cur_freq, max_freq; - gchar *governor; - - if (!cpufreq_monitor_procfs_parse (CPUFREQ_MONITOR_PROCFS (monitor), - &cpu, &fmax, &pmin, &pmax, &fmin, mode)) { - /* Check whether it failed because - * cpu is not online. - */ - if (!cpufreq_procfs_cpu_is_online ()) { - g_object_set (G_OBJECT (monitor), "online", FALSE, NULL); - return TRUE; - } - return FALSE; - } - - governor = mode; - max_freq = fmax; - - if (g_ascii_strcasecmp (governor, "powersave") == 0) { - cur_freq = fmin; - } else if (g_ascii_strcasecmp (governor, "performance") == 0) { - cur_freq = fmax; - } else if (g_ascii_strcasecmp (governor, "userspace") == 0) { - cur_freq = cpufreq_monitor_procfs_get_freq_from_userspace (cpu); - } else { - cur_freq = fmax; - } - - g_object_set (G_OBJECT (monitor), - "online", TRUE, - "governor", governor, - "frequency", cur_freq, - "max-frequency", max_freq, - NULL); - - return TRUE; -} - -static GList * -cpufreq_monitor_procfs_get_available_frequencies (CPUFreqMonitor *monitor) -{ - gint fmax, fmin, cpu, freq; - gint pmin, pmax; - gchar mode[21]; - GList *list = NULL; - - if (!cpufreq_monitor_procfs_parse (CPUFREQ_MONITOR_PROCFS (monitor), &cpu, - &fmax, &pmin, &pmax, &fmin, mode)) { - return NULL; - } - - if ((pmax > 0) && (pmax != 100)) { - freq = (fmax * 100) / pmax; - list = g_list_prepend (list, g_strdup_printf ("%d", freq)); - } - - list = g_list_prepend (list, g_strdup_printf ("%d", fmax)); - if (fmax != fmin) - list = g_list_prepend (list, g_strdup_printf ("%d", fmin)); - - return g_list_reverse (list); -} - |