#include <stdio.h>
#include <string.h>
+#ifdef __FreeBSD__
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#include <sys/dkstat.h>
+#endif
+
#include "i3status.h"
static int prev_total = 0;
void print_cpu_usage(const char *format) {
const char *walk;
char buf[1024];
- int curr_user, curr_nice, curr_system, curr_idle, curr_total;
+ int curr_user = 0, curr_nice = 0, curr_system = 0, curr_idle = 0, curr_total;
int diff_idle, diff_total, diff_usage;
#if defined(LINUX)
static char statpath[512];
strcpy(statpath, "/proc/stat");
- if (!slurp(statpath, buf, sizeof(buf)))
- die("could not read %s\n", statpath);
+ if (!slurp(statpath, buf, sizeof(buf)) ||
+ sscanf(buf, "cpu %d %d %d %d", &curr_user, &curr_nice, &curr_system, &curr_idle) != 4)
+ goto error;
- if (sscanf(buf, "cpu %d %d %d %d", &curr_user, &curr_nice, &curr_system, &curr_idle) != 4)
- die("could not read cpu utilization\n");
+ curr_total = curr_user + curr_nice + curr_system + curr_idle;
+ diff_idle = curr_idle - prev_idle;
+ diff_total = curr_total - prev_total;
+ diff_usage = (1000 * (diff_total - diff_idle)/diff_total + 5)/10;
+ prev_total = curr_total;
+ prev_idle = curr_idle;
+#elif defined(__FreeBSD__)
+ size_t size;
+ long cp_time[CPUSTATES];
+ size = sizeof cp_time;
+ if (sysctlbyname("kern.cp_time", &cp_time, &size, NULL, 0) < 0)
+ goto error;
+ curr_user = cp_time[CP_USER];
+ curr_nice = cp_time[CP_NICE];
+ curr_system = cp_time[CP_SYS];
+ curr_idle = cp_time[CP_IDLE];
curr_total = curr_user + curr_nice + curr_system + curr_idle;
diff_idle = curr_idle - prev_idle;
diff_total = curr_total - prev_total;
diff_usage = (1000 * (diff_total - diff_idle)/diff_total + 5)/10;
prev_total = curr_total;
prev_idle = curr_idle;
+#else
+ goto error;
#endif
for (walk = format; *walk != '\0'; walk++) {
if (*walk != '%') {
walk += strlen("usage");
}
}
+ return;
+error:
+ (void)fputs("Cannot read usage\n", stderr);
}