1
0

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.
This commit is contained in:
Aaron Marcher 2018-05-06 21:11:50 +02:00
parent 235fa3c306
commit 66a7fb16fc
4 changed files with 0 additions and 29 deletions

2
README
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@ -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

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@ -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>

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@ -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 (/)

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@ -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 *);