testsuite/systemtap.maps/log.stp


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global foo

probe begin
{
	val = 1
	# add in one of each power of two
	for (i = 0; i < 63; i++) {
		foo <<< val
		val <<= 1
	}

	val = 1;
	# now add the negative powers of two
	for (i = 0; i < 64; i++) {
		foo <<< -val
		val <<= 1
	}

	# add in a bunch of zeros
	for (i=0; i<20; i++)
		foo <<< 0

	print(@hist_log(foo))
	exit()
}