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https://github.com/fastfetch-cli/fastfetch.git
synced 2026-09-13 02:42:09 +02:00
李通洲
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
#include "detection/cpuusage/cpuusage.h"
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#include "util/mallocHelper.h"
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#include <sys/resource.h>
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#include <stdlib.h>
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#if __OpenBSD__ || __NetBSD__
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#include <sys/sched.h>
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#endif
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const char* ffGetCpuUsageInfo(FFlist* cpuTimes)
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{
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size_t neededLength = 0;
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#if __OpenBSD__|| __NetBSD__
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#ifdef KERN_CPTIME
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int ctls[] = {CTL_KERN, KERN_CPTIME};
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#else
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int ctls[] = {CTL_KERN, KERN_CP_TIME};
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#endif
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if (sysctl(ctls, 2, NULL, &neededLength, NULL, 0) != 0)
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return "sysctl({CTL_KERN, KERN_CPTIME}, 2, NULL) failed";
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#else
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if(sysctlbyname("kern.cp_times", NULL, &neededLength, NULL, 0) != 0)
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return "sysctlbyname(kern.cp_times, NULL) failed";
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#endif
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uint32_t coreCount = (uint32_t) (neededLength / (CPUSTATES * sizeof(uint64_t)));
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assert(coreCount > 0);
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FF_AUTO_FREE uint64_t (*cpTimes)[CPUSTATES] = malloc(neededLength);
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#if __OpenBSD__ || __NetBSD__
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if (sysctl(ctls, 2, cpTimes, &neededLength, NULL, 0) != 0)
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return "sysctl({CTL_KERN, KERN_CPTIME}, 2, NULL) failed";
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#else
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if(sysctlbyname("kern.cp_times", cpTimes, &neededLength, NULL, 0) != 0)
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return "sysctlbyname(kern.cp_times, cpTime) failed";
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#endif
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for (uint32_t i = 0; i < coreCount; ++i)
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{
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uint64_t* cpTime = cpTimes[i];
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uint64_t inUse = cpTime[CP_USER] + cpTime[CP_NICE] + cpTime[CP_SYS] + cpTime[CP_INTR];
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uint64_t total = inUse + cpTime[CP_IDLE];
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FFCpuUsageInfo* info = (FFCpuUsageInfo*) ffListAdd(cpuTimes);
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*info = (FFCpuUsageInfo) {
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.inUseAll = inUse,
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.totalAll = total,
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};
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}
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return NULL;
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}
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