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stackcollapse-sum, merge identical stack samples
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Gabriel Corona
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Jul 11, 2022
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#!/usr/bin/perl -ws | ||
# | ||
# stackcollapse-sum Merge identical stack samples | ||
# | ||
# Example input: | ||
# | ||
# foo;bar 1 | ||
# foo;bar 1 | ||
# | ||
# Output: | ||
# | ||
# foo;bar 2 | ||
# | ||
# Copyright 2022 Gabriel Corona. All rights reserved. | ||
# | ||
# CDDL HEADER START | ||
# | ||
# The contents of this file are subject to the terms of the | ||
# Common Development and Distribution License (the "License"). | ||
# You may not use this file except in compliance with the License. | ||
# | ||
# You can obtain a copy of the license at docs/cddl1.txt or | ||
# http://opensource.org/licenses/CDDL-1.0. | ||
# See the License for the specific language governing permissions | ||
# and limitations under the License. | ||
# | ||
# When distributing Covered Code, include this CDDL HEADER in each | ||
# file and include the License file at docs/cddl1.txt. | ||
# If applicable, add the following below this CDDL HEADER, with the | ||
# fields enclosed by brackets "[]" replaced with your own identifying | ||
# information: Portions Copyright [yyyy] [name of copyright owner] | ||
# | ||
# CDDL HEADER END | ||
|
||
my %stacks; | ||
|
||
while(<>) { | ||
chomp; | ||
my ($stack, $value) = (/^(.*)\s+?(\d+(?:\.\d*)?)$/); | ||
if ($stack) { | ||
$stacks{$stack} += $value; | ||
} | ||
} | ||
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foreach my $k (sort { $a cmp $b } keys %stacks) { | ||
print "$k $stacks{$k}\n"; | ||
} |