mirror of
https://github.com/fastfetch-cli/fastfetch.git
synced 2026-10-29 08:13:44 +01:00
李通洲
37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
#include "fastfetch.h"
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#include "detection/cpuusage/cpuusage.h"
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#include "common/io/io.h"
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#include <stdio.h>
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#include <inttypes.h>
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const char* ffGetCpuUsageInfo(uint64_t* inUseAll, uint64_t* totalAll)
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{
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FF_AUTO_CLOSE_FILE FILE* procStat = fopen("/proc/stat", "r");
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if(procStat == NULL)
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{
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#ifdef __ANDROID__
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return "Accessing \"/proc/stat\" is restricted on Android O+";
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#else
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return "fopen(\"""/proc/stat\", \"r\") == NULL";
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#endif
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}
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// Skip first line
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if (fscanf(procStat, "cpu%*[^\n]\n") < 0)
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return "fscanf() first line failed";
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*inUseAll = 0;
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*totalAll = 0;
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uint64_t user = 0, nice = 0, system = 0, idle = 0, iowait = 0, irq = 0, softirq = 0;
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while (fscanf(procStat, "cpu%*d%" PRIu64 "%" PRIu64 "%" PRIu64 "%" PRIu64 "%" PRIu64 "%" PRIu64 "%" PRIu64, &user, &nice, &system, &idle, &iowait, &irq, &softirq) == 7)
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{
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uint64_t inUse = user + nice + system;
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uint64_t total = inUse + idle + iowait + irq + softirq;
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*inUseAll += inUse;
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*totalAll += total;
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}
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return NULL;
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}
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