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CpuUsage (Windows): refine KernelTime calculation by removing unused DPC and interrupt time

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李通洲
2025-06-30 19:37:04 +08:00
parent d94cdf4424
commit ec7f14ab96
1 changed files with 1 additions and 4 deletions
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src/detection/cpuusage/cpuusage_windows.c
+1 -4
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@@ -20,11 +20,8 @@ const char* ffGetCpuUsageInfo(FFlist* cpuTimes)
{
SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION* coreInfo = pinfo + i;
// KernelTime includes idle time.
LONGLONG dpcTime = coreInfo->Reserved1[0].QuadPart;
LONGLONG interruptTime = coreInfo->Reserved1[1].QuadPart;
// KernelTime includes IdleTime and DpcTime.
coreInfo->KernelTime.QuadPart -= coreInfo->IdleTime.QuadPart;
coreInfo->KernelTime.QuadPart += dpcTime + interruptTime;
uint64_t inUse = (uint64_t) (coreInfo->UserTime.QuadPart + coreInfo->KernelTime.QuadPart);
uint64_t total = inUse + (uint64_t)coreInfo->IdleTime.QuadPart;