On Tue, Mar 26, 2013 at 11:58:02AM +1000, Paul Koch wrote: > Hi, > > At the start of all our programs, we set up a SIGALRM signal handler > to retrieve rusage stats each second and log this info for analysis. > It is useful for long running programs. One of the things we > would really really like to get is the number of system calls the > process has performed. > > Is there a simple way for a process to retrieve its own number of > syscalls it has performed ? Pity it's not available via getrusage(). > > We don't want to run an external program (eg. truss/dtrace) on each > program.
AFAIR, the per-threads syscalls are not accounted. The accounting was performed for some short time, but it was only used as a workaround for some nfs client issue, and since the alternate approach was used, the td_syscalls was removed. Only global system count of the syscalls is maintained.
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