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grep -f routine Print only routine, but include time spent in all routines. -k from to Remove arcs between the routines from and to. -s Summarize profile information in the file gmon.sum. -v Print version and exit. -z Include zero-usage calls. -E routine Do not display entries for routine and its descendants or include time spent on them in calculations for total time. -F routine Print only information about routine. Do not include time spent in other routines. grep grep [options] pattern [files]