uptime: Simplifiy and clean up

[slstatus.git] / components / cpu.c

diff --git a/components/cpu.c b/components/cpu.c
index 4a4a80b..e7f4cd9 100644 (file)
--- a/components/cpu.c
+++ b/components/cpu.c
@@ -1,63 +1,92 @@
 /* See LICENSE file for copyright and license details. */
 /* See LICENSE file for copyright and license details. */

+#include <errno.h>

 #include <stdio.h>
 #include <string.h>
 
 #include "../util.h"
 
 #include <stdio.h>
 #include <string.h>
 
 #include "../util.h"
 

-const char *
-cpu_freq(void)
-{
-       int freq;
-
-       return (pscanf("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq",
-                      "%i", &freq) == 1) ?
-              bprintf("%d", (freq + 500) / 1000) : NULL;
-}
-
-const char *
-cpu_perc(void)
-{
-       int perc;
-       static long double a[7];
-       static int valid;
-       long double b[7];
-
-       memcpy(b, a, sizeof(b));
-       if (pscanf("/proc/stat", "%*s %Lf %Lf %Lf %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2],
-                  &a[3], &a[4], &a[5], &a[6]) != 7) {
-               return NULL;
-       }
-       if (!valid) {
-               valid = 1;
-               return NULL;
+#if defined(__linux__)
+       const char *
+       cpu_freq(void)
+       {
+               int freq;
+
+               return (pscanf("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq",
+                              "%i", &freq) == 1) ?
+                      bprintf("%d", (freq + 500) / 1000) : NULL;

        }
 
        }
 

-       perc = 100 * ((b[0]+b[1]+b[2]+b[5]+b[6]) - (a[0]+a[1]+a[2]+a[5]+a[6])) /
-              ((b[0]+b[1]+b[2]+b[3]+b[4]+b[5]+b[6]) - (a[0]+a[1]+a[2]+a[3]+a[4]+a[5]+a[6]));
+       const char *
+       cpu_perc(void)
+       {
+               int perc;
+               static long double a[7];
+               static int valid;
+               long double b[7];

 
 

-       return bprintf("%d", perc);
-}
+               memcpy(b, a, sizeof(b));
+               if (pscanf("/proc/stat", "%*s %Lf %Lf %Lf %Lf %Lf %Lf %Lf",
+                          &a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6]) != 7) {
+                       return NULL;
+               }
+               if (!valid) {
+                       valid = 1;
+                       return NULL;
+               }

 
 

-const char *
-cpu_iowait(void)
-{
-       int perc;
-       static int valid;
-       static long double a[7];
-       long double b[7];
+               perc = 100 *
+                      ((b[0]+b[1]+b[2]+b[5]+b[6]) -
+                       (a[0]+a[1]+a[2]+a[5]+a[6])) /
+                      ((b[0]+b[1]+b[2]+b[3]+b[4]+b[5]+b[6]) -
+                       (a[0]+a[1]+a[2]+a[3]+a[4]+a[5]+a[6]));

 
 

-       memcpy(b, a, sizeof(b));
-       if (pscanf("/proc/stat", "%*s %Lf %Lf %Lf %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2],
-                  &a[3], &a[4], &a[5], &a[6]) != 7) {
-               return NULL;
+               return bprintf("%d", perc);

        }
        }

-       if (!valid) {
-               valid = 1;
-               return NULL;
+
+       const char *
+       cpu_iowait(void)
+       {
+               int perc;
+               static int valid;
+               static long double a[7];
+               long double b[7];
+
+               memcpy(b, a, sizeof(b));
+               if (pscanf("/proc/stat", "%*s %Lf %Lf %Lf %Lf %Lf %Lf %Lf",
+                          &a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6]) != 7) {
+                       return NULL;
+               }
+               if (!valid) {
+                       valid = 1;
+                       return NULL;
+               }
+
+               perc = 100 * ((b[4]) - (a[4])) /
+                      ((b[0]+b[1]+b[2]+b[3]+b[4]+b[5]+b[6]) -
+                       (a[0]+a[1]+a[2]+a[3]+a[4]+a[5]+a[6]));
+
+               return bprintf("%d", perc);

        }
        }

+#elif defined(__OpenBSD__)
+       #include <sys/sysctl.h>
+
+       const char *
+       cpu_freq(void)
+       {
+               int freq, mib[2];
+               size_t size;
+
+               mib[0] = CTL_HW;
+               mib[1] = HW_CPUSPEED;

 
 

-       perc = 100 * ((b[4]) - (a[4])) /
-              ((b[0]+b[1]+b[2]+b[3]+b[4]+b[5]+b[6]) - (a[0]+a[1]+a[2]+a[3]+a[4]+a[5]+a[6]));
+               size = sizeof(freq);

 
 

-       return bprintf("%d", perc);
-}
+               if (sysctl(mib, 2, &freq, &size, NULL, 0) == -1) {
+                       fprintf(stderr, "sysctl 'HW_CPUSPEED': %s\n",
+                               strerror(errno));
+                       return NULL;
+               }
+
+               return bprintf("%d", freq);
+       }
+#endif