`time` is a command line utility for running another program and summarizing resource usage
2
votes
0answers
136 views
Using hardware clock on linux
I using an old version of RHEL that I have recently upgraded from 5.4 to 5.8, with a customised 2.30.9 kernel.
The system clock drifts wildly (> 5 seconds/day) unless it is controlled using an ...
2
votes
0answers
133 views
cpu time measurement with wait4 vs. cpuacct cgroup
I want to start a process and measure the cpu time (user+sys) it needs until it terminates.
I know I can use the wait4 system call, which returns a struct with user and system time (I use the sum of ...
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votes
0answers
19 views
Getting “zsh: command not found: time” when running `time` in subshell
I installed ZSH (and Oh-My-ZSH) on a Ubuntu 12.10 64 bit machine a few days ago. I just tried to do:
time (time ls)
and got this error:
zsh: command not found: time
( time ls; ) 0.00s user 0.00s ...
