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diff --git a/contrib/benchmark/collect_urls.awk b/contrib/benchmark/collect_urls.awk
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+# records are of the following form:
+# This file is part of GNUnet
+# Copyright (C) 2018 GNUnet e.V.
+#
+# GNUnet is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Affero General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# GNUnet is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+
+# Aggregate benchmarking data from multiple threads/processes
+# generated by util/benchmark.c.
+#
+# Can be used as
+# awk -f collect_ops.awk gnunet-benchmark-ops-*.txt
+# url <url> status <status> count <count> time_us <time_us>
+
+{
+ url[$2][$4]["count"] += $6;
+ url[$2][$4]["time_us"] += $8;
+}
+
+function avg(s, c) {
+ if (c == 0) {
+ return 0;
+ } else {
+ return s / c;
+ }
+}
+
+END {
+ for (x in url) {
+ for (y in url[x]) {
+ print "url", x, "status", y, \
+ "count", url[x][y]["count"], "time_us", url[x][y]["time_us"], \
+ "time_avg_us", avg(url[x][y]["time_us"], url[x][y]["count"]);
+ }
+ }
+}