>> tick lost doesn't occur an issue. because glibc only test posix conformance >> and >> posix allow inacculacy. In other words, timer must not run faster than real >> clock. >> but lost and makes slower are accepted in the test. >> > What is lost isn't cputimer tick. They are accounted > account_group_exec_runtime(). What is lost it is what is added to > curr->sum_exec_runtime. Thus making the thread group clock running > slower than the cputimer. > > Please spend some time reading the code and less time writing e-mails. > > Read the code of release_task() and where it is called in do_exit(). > > Once it is done, it should be clear to you.
After several grepping, I may got your point. Guys, sig->sum_sched_runtime is gathered in __exit_signal, not release_task() nor do_exit(). So, I'm now convinced your patch is correct. Even though the comments is terribuly misleading. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/