So I want to get the cpu time used by a thread given its ID. getrusage is not applicable here as getrusage(RUSAGE_THREAD, &r_usage); returns the resources used by the thread that calls it, here I want to get resources of a thread other than the one I am in.
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Any reason why http://stackoverflow.com/questions/2150291/how-do-i-measure-a-time-interval-in-c won't work for you? – Michael Dorgan Mar 27 '17 at 17:31
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2because I need CPU time not wall clock time – Dev2017 Mar 27 '17 at 17:32