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journalctlruns one process only. I have a feelingjournalctluses one extra thread for whatever reason - iirc there was one clone() call. I think this means you are technically correct, but it is also technically irrelevant to the question.timelooks at the process as a whole, and has shown that the process as a whole is rather sleepy (blocking on something).stracedid not show enough sleeps. It doesn't matter if a second thread is sleeping, the main thread must also be very sleepy to explain thetimeresult.