summaryrefslogtreecommitdiff
path: root/cpufreq/src/cpufreq-monitor-procfs.c
diff options
context:
space:
mode:
Diffstat (limited to 'cpufreq/src/cpufreq-monitor-procfs.c')
-rw-r--r--cpufreq/src/cpufreq-monitor-procfs.c284
1 files changed, 142 insertions, 142 deletions
diff --git a/cpufreq/src/cpufreq-monitor-procfs.c b/cpufreq/src/cpufreq-monitor-procfs.c
index f43da9dc..0c7b3b9c 100644
--- a/cpufreq/src/cpufreq-monitor-procfs.c
+++ b/cpufreq/src/cpufreq-monitor-procfs.c
@@ -42,178 +42,178 @@ 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;
+ 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;
+ CPUFreqMonitorProcfs *monitor;
- monitor = g_object_new (TYPE_CPUFREQ_MONITOR_PROCFS, "cpu", cpu, NULL);
+ monitor = g_object_new (TYPE_CPUFREQ_MONITOR_PROCFS, "cpu", cpu, NULL);
- return CPUFREQ_MONITOR (monitor);
+ 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;
+ 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)
+ 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);
-}
+ 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);
+ 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;
+ 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);
+ 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);
}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-28 10:59:34 +0000