Remove cpu_iowait

The third value from load_avg (idle) gives us almost the same
information as cpu_iowait. Plus OpenBSD does not offer an iowait value
as Linux and thus the corresponding function would not be portable.

diff --git a/README b/README
index 805f541ec468d28f3f553d1e7afc3b7a61cabb1d..5c63c2cf401a4a08912640785a052fb7d46cfd13 100644 (file)
--- a/README
+++ b/README
@@ -9,7 +9,6 @@ Features
 - Battery percentage/state
 - CPU usage
 - CPU frequency
-- CPU iowait
 - Custom shell commands
 - Date and time
 - Disk status (free storage, percentage, total storage and used storage)
@@ -62,5 +61,4 @@ Porting to OpenBSD is the current goal before thinking about a release.
 
 The following functions are not portable at the moment:
 - wifi_{perc,essid}
-- cpu_iowait
 - entropy

diff --git a/components/cpu.c b/components/cpu.c
index 661c27ce2bfa855ba0a8b67d379ac3beadac3d2d..c8299f91a1bbd89b3c297805bd0944209d734980 100644 (file)
--- a/components/cpu.c
+++ b/components/cpu.c
@@ -42,31 +42,6 @@
 
                return bprintf("%d", perc);
        }
-
-       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/param.h>
        #include <sys/sched.h>

diff --git a/config.def.h b/config.def.h
index f94e978ad5dd03ba06f9ecc282af13a964c1ad50..ef64b16afe5c8ac7b627755c5e531d8145051046 100644 (file)
--- a/config.def.h
+++ b/config.def.h
@@ -15,7 +15,6 @@ static const char unknown_str[] = "n/a";
  * battery_perc         battery percentage              battery name (BAT0)
  * battery_state        battery charging state          battery name (BAT0)
  * cpu_perc             cpu usage in percent            NULL
- * cpu_iowait           cpu iowait in percent           NULL
  * cpu_freq             cpu frequency in MHz            NULL
  * datetime             date and time                   format string (%F %T)
  * disk_free            free disk space in GB           mountpoint path (/)

diff --git a/slstatus.h b/slstatus.h
index a1060701d054fcc28ed665bd0302bbf7a3315e72..6a25209bd09d9642fd0d312d57a2c54fb2e8f43c 100644 (file)
--- a/slstatus.h
+++ b/slstatus.h
@@ -7,7 +7,6 @@ const char *battery_state(const char *);
 /* cpu */
 const char *cpu_freq(void);
 const char *cpu_perc(void);
-const char *cpu_iowait(void);
 
 /* datetime */
 const char *datetime(const char *);