SYSTEM_THREAD_INFORMATION - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers
#ifndef _NTEXAPI_H

/**
 * The SYSTEM_THREAD_INFORMATION structure contains information about a thread running on a system.
 * https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-tsts/e82d73e4-cedb-4077-9099-d58f3459722f
 */
typedef struct _SYSTEM_THREAD_INFORMATION
{
    LARGE_INTEGER KernelTime;                   // Number of 100-nanosecond intervals spent executing kernel code.
    LARGE_INTEGER UserTime;                     // Number of 100-nanosecond intervals spent executing user code.
    LARGE_INTEGER CreateTime;                   // The date and time when the thread was created.
    ULONG WaitTime;                             // The current time spent in ready queue or waiting (depending on the thread state).
    PVOID StartAddress;                         // The initial start address of the thread.
    CLIENT_ID ClientId;                         // The identifier of the thread and the process owning the thread.
    KPRIORITY Priority;                         // The dynamic priority of the thread.
    KPRIORITY BasePriority;                     // The starting priority of the thread.
    ULONG ContextSwitches;                      // The total number of context switches performed.
    KTHREAD_STATE ThreadState;                  // The current state of the thread.
    KWAIT_REASON WaitReason;                    // The current reason the thread is waiting.
} SYSTEM_THREAD_INFORMATION, *PSYSTEM_THREAD_INFORMATION;

#endif

View code on GitHub

NtDoc

This type is documented in the [MS-TSTS] specification.