The POSIX times() function only measures the system time of the master thread and does not take into account any time for the child threads.
This is a kernel issue, still present in the 2.5 kernels.
Created attachment 91222 [details]
Test case for times() not receiving info from other threads
The program prints currently something like
1050971188: clock 430949932, utime 0, stime 0
1050971189: clock 430950032, utime 0, stime 0
But the utime value should increase based on how much CPU time the two threads
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