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All times are measured in seconds:

  • user: Amount of time that this process has been scheduled in user mode.

  • system: Amount of time that this process has been scheduled in kernel mode

  • children_user: On Linux, amount of time that this process's waited-for children have been scheduled in user mode.

  • children_system: On Linux, Amount of time that this process's waited-for children have been scheduled in kernel mode.

Usage

ps_cpu_times(p = ps_handle())

Arguments

p

Process handle.

Value

Named real vector or length four: user, system, children_user, children_system. The last two are NA on non-Linux systems.

Details

Throws a zombie_process() error for zombie processes.

Examples

p <- ps_handle()
p
#> <ps::ps_handle> PID=10076, NAME=R, AT=2022-06-18 08:48:43
ps_cpu_times(p)
#>            user          system   children_user children_system 
#>            6.21            0.24            0.98            0.50 
proc.time()
#>    user  system elapsed 
#>   7.202   0.752  10.581