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netbsd: Add support for DiskIOMeter

This commit is contained in:
nia 2021-08-08 09:05:53 +02:00 committed by BenBE
parent eb4ff3c69c
commit 5b8654d341
1 changed files with 37 additions and 3 deletions
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38
netbsd/Platform.c
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@ -24,6 +24,7 @@ in the source distribution for its full text.
#include <time.h>
#include <prop/proplib.h>
#include <sys/envsys.h>
#include <sys/iostat.h>
#include <sys/param.h>
#include <sys/resource.h>
#include <sys/sysctl.h>
@ -163,6 +164,7 @@ const MeterClass* const Platform_meterTypes[] = {
&LeftCPUs8Meter_class,
&RightCPUs8Meter_class,
&BlankMeter_class,
&DiskIOMeter_class,
NULL
};
@ -329,9 +331,41 @@ FileLocks_ProcessData* Platform_getProcessLocks(pid_t pid) {
}
bool Platform_getDiskIO(DiskIOData* data) {
// TODO
(void)data;
const int mib[] = { CTL_HW, HW_IOSTATS, sizeof(struct io_sysctl) };
struct io_sysctl *iostats = NULL;
size_t size = 0;
/* get the size of the IO statistic array */
(void)sysctl(mib, __arraycount(mib), iostats, &size, NULL, 0);
if (size == 0)
return false;
iostats = xMalloc(size);
if (sysctl(mib, __arraycount(mib), iostats, &size, NULL, 0) < 0) {
free(iostats);
return false;
}
uint64_t bytesReadSum = 0;
uint64_t bytesWriteSum = 0;
uint64_t busyTimeSum = 0;
for (size_t i = 0, count = size / sizeof(struct io_sysctl); i < count; i++) {
/* ignore NFS activity */
if (iostats[i].type != IOSTAT_DISK)
continue;
bytesReadSum += iostats[i].rbytes;
bytesWriteSum += iostats[i].wbytes;
busyTimeSum += iostats[i].busysum_usec;
}
data->totalBytesRead = bytesReadSum;
data->totalBytesWritten = bytesWriteSum;
data->totalMsTimeSpend = busyTimeSum / 1000;
free(iostats);
return true;
}
bool Platform_getNetworkIO(NetworkIOData* data) {