bugThe GNU Hurd - Bugs: bug #20683, time returns bogus user/system time


bug #20683: time returns bogus user/system time

Submitter:  Samuel Thibault <sthibaul>
Submitted:  Sat 04 Aug 2007 09:57:00 AM UTC
Category:  None Severity:  3 - Normal
Priority:  5 - Normal Item Group:  None
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Open Reproducibility:  None
Size (loc):  None Planned Release:  None
Effort:  0.00
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Wed 07 Feb 2018 09:35:58 PM UTC, comment #2: 

This is still an issue.  This wiki page has more information:


You can see this issue via: 

                                    joshua@debian:~$ time sleep 8

                                      real    0m8.030s
                                      user    0m0.000s
                                      sys     0m0.010s

Joshua Branson <joshuabranson>
Fri 10 Aug 2007 01:58:50 PM UTC, comment #1: 

Note: however, this is already supported by the proc serveur. We need to somehow get the p_child_rusage field of struct proc (there is no mig interface for this yet)

Samuel Thibault <sthibaul>
Group administrator
Sat 04 Aug 2007 09:57:00 AM UTC, original submission:  

This is because GNU mach doesn't provide the stime/utime for children, see implementation of times() in glibc, sysdeps/mach/hurd/times.c:

  /* XXX This can't be implemented until getrusage(RUSAGE_CHILDREN) can be.  */
    tms->tms_cutime = tms->tms_cstime = 0;

Samuel Thibault <sthibaul>
Group administrator


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