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#!/usr/bin/stap
# minimum number of microseconds to print at
# override with -G sloth=NNN
global sloth = 50
probe vfs.open.return {
time = gettimeofday_us()-@entry(gettimeofday_us())
if (time >= sloth)
printf("%s[%d] %d %s\n", execname(), tid(), time, pathname)
}