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#! stap -p4
global foo
global i
probe begin
{
print("starting up\n")
i = 0
}
probe timer.jiffies(100)
{
printf("ping %d\n", i)
foo <<< i
if (i++ > 15)
exit()
}
probe end
{
print("shutting down\n")
printf("count %d, avg %d\n", @count(foo), @avg(foo))
foreach (bucket in @hist_log(foo))
{
if (@hist_log(foo)[bucket] > 0)
printf("bucket %d: %d\n", bucket, @hist_log(foo)[bucket])
# XXX: both these should work, but histogram for() loops
# are emitted incorrectly
# break
# continue
}
}
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