Edit File: func_time_stats.stp
#!/usr/bin/stap /* * func_time_stats.stp * usage: func_time_stats.stp function_probe */ global start, intervals probe $1 { start[tid()] = gettimeofday_us() } probe $1.return { t = gettimeofday_us() old_t = start[tid()] if (old_t) intervals <<< t - old_t delete start[tid()] } probe end { printf("intervals min:%dus avg:%dus max:%dus count:%d variance:%d\n", @min(intervals), @avg(intervals), @max(intervals), @count(intervals), @variance(intervals, 3)) print(@hist_log(intervals)); }