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https://github.com/fastfetch-cli/fastfetch.git
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李通洲
37 lines
1.1 KiB
C
37 lines
1.1 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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const char* ffGetCpuUsageInfo(FFlist* cpuTimes)
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{
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size_t neededLength = 0;
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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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uint32_t coreCount = neededLength / (CPUSTATES * (uint32_t) 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(sysctlbyname("kern.cp_times", cpTimes, &neededLength, NULL, 0) != 0)
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return "sysctlbyname(kern.cp_times, cpTime) failed";
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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];
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uint64_t total = cpTime[CP_INTR] + cpTime[CP_IDLE];
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FFCpuUsageInfo* info = (FFCpuUsageInfo*) ffListAdd(cpuTimes);
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*info = (FFCpuUsageInfo) {
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.inUseAll = (uint64_t)inUse,
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.totalAll = (uint64_t)total,
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};
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}
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return NULL;
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}
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