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NightTrace Manual
SEE ALSO
“Summary Functions” on page 9-70 and “Summarizing Statistical Information” on
page 10-5.
avg()
9
DESCRIPTION
The avg() function returns the average value of all occurrences of expr within a
time range. When used in a Summarize Form, the time range is defined by that
form. When used elsewhere, the time range is defined as the region starting with the
first trace event and ending with the current trace event.
SYNTAX
avg (expr)
PARAMETERS
expr
A numeric expression.
RETURN TYPE
data type of expr
SEE ALSO
“Summary Functions” on page 9-70 and “Summarizing Statistical Information” on
page 10-5.
sum()
9
DESCRIPTION
The sum() function returns the sum value of all occurrences of expr within a time
range. When used in a Summarize Form, the time range is defined by that form.
When used elsewhere, the time range is defined as the region starting with the first
trace event and ending with the current trace event.
SYNTAX
sum (expr)
PARAMETERS
expr
9-72
A numeric expression.