# tms ## **Overview** **Related Modules:** [TIME](zh-cn_topic_0000001054879478.md) **Description:** Describes CPU time of a process and its child processes. ## **Summary** ## Data Fields

Variable Name

Description

tms_utime

clock_t 

tms_stime

clock_t 

tms_cutime

clock_t 

tms_cstime

clock_t 
## **Details** ## **Field Documentation** ## tms\_cstime ``` clock_t tms::tms_cstime ``` **Description:** Child process's system time ## tms\_cutime ``` clock_t tms::tms_cutime ``` **Description:** Child process's user time ## tms\_stime ``` clock_t tms::tms_stime ``` **Description:** System time ## tms\_utime ``` clock_t tms::tms_utime ``` **Description:** User time