1#include "fastfetch.h"
 2#include "common/debug.h"
 3#include "detection/cpuusage/cpuusage.h"
 4
 5#include <mach/processor_info.h>
 6#include <mach/mach_host.h>
 7#include <mach/vm_map.h>
 8
 9const char* ffGetCpuUsageInfo(FFlist* cpuTimes) {
10    natural_t numCPUs = 0U;
11    processor_info_array_t cpuInfo;
12    mach_msg_type_number_t numCpuInfo;
13
14    if (host_processor_info(mach_host_self(), PROCESSOR_CPU_LOAD_INFO, &numCPUs, &cpuInfo, &numCpuInfo) != KERN_SUCCESS) {
15        FF_DEBUG("host_processor_info() failed");
16        return "host_processor_info() failed";
17    }
18    if (numCPUs * CPU_STATE_MAX != numCpuInfo) {
19        FF_DEBUG("Unexpected host_processor_info() result");
20        return "Unexpected host_processor_info() result";
21    }
22
23    for (natural_t i = 0U; i < numCPUs; ++i) {
24        integer_t inUse = cpuInfo[CPU_STATE_MAX * i + CPU_STATE_USER] + cpuInfo[CPU_STATE_MAX * i + CPU_STATE_SYSTEM] + cpuInfo[CPU_STATE_MAX * i + CPU_STATE_NICE];
25        integer_t total = inUse + cpuInfo[CPU_STATE_MAX * i + CPU_STATE_IDLE];
26
27        FFCpuUsageInfo* info = FF_LIST_ADD(FFCpuUsageInfo, *cpuTimes);
28        *info = (FFCpuUsageInfo) {
29            .inUseAll = (uint64_t) inUse,
30            .totalAll = (uint64_t) total,
31        };
32    }
33
34    vm_deallocate(mach_task_self(), (vm_address_t) cpuInfo, numCpuInfo * sizeof(integer_t));
35    return nullptr;
36}