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authorChris Evich <cevich@redhat.com>2020-10-22 08:19:31 -0400
committerChris Evich <cevich@redhat.com>2020-11-09 14:32:39 -0500
commitf44af2056138cbf64c1e70a99d62336ca3d949a3 (patch)
treefff9569a63f233a95b2c4f99658a0855d694345d /contrib/cirrus
parentabc77b42219aaccf5cf1a1c9f1202c1525c0d807 (diff)
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Cirrus: Detailed CPU/Memory/Time runner.sh stats
On several occasions, there have been questions about CPU/Memory/IO trends in testing over time. Start collecting this data for all jobs, using a common/stable format so that trending analysis can be performed within/across multiple Cirrus-CI builds. This PR doesn't add any related tooling, it simply arranges for the collection of the data. Stats generation is done at the orchestration level to guarantee they reflect everything happening inside `runner.sh`. For example, the container-based tests re-exec `runner.sh` inside a container, but we're only interested in the top-level stats. Update all tasks to include collection of the stats file. Unfortunately, due to the way the Cirrus-CI YAML parser works, it is *not* possible to alias the artifacts collection more clearly, for example: ```yaml always: <<: *runner_stats <<: *logs_artifacts ``` Signed-off-by: Chris Evich <cevich@redhat.com>
Diffstat (limited to 'contrib/cirrus')
-rwxr-xr-xcontrib/cirrus/logcollector.sh5
-rwxr-xr-xcontrib/cirrus/runner.sh10
2 files changed, 15 insertions, 0 deletions
diff --git a/contrib/cirrus/logcollector.sh b/contrib/cirrus/logcollector.sh
index 746bccec9..7bf651b36 100755
--- a/contrib/cirrus/logcollector.sh
+++ b/contrib/cirrus/logcollector.sh
@@ -76,5 +76,10 @@ case $1 in
# Any not-present packages will be listed as such
$PKG_LST_CMD "${PKG_NAMES[@]}" | sort -u
;;
+ time)
+ # Assumed to be empty/undefined outside of Cirrus-CI (.cirrus.yml)
+ # shellcheck disable=SC2154
+ if [[ -r "$STATS_LOGFILE" ]]; then cat "$STATS_LOGFILE"; fi
+ ;;
*) die "Warning, $(basename $0) doesn't know how to handle the parameter '$1'"
esac
diff --git a/contrib/cirrus/runner.sh b/contrib/cirrus/runner.sh
index 084b196a9..1d05dfa71 100755
--- a/contrib/cirrus/runner.sh
+++ b/contrib/cirrus/runner.sh
@@ -253,6 +253,16 @@ dotest() {
|& logformatter
}
+# Nearly every task in .cirrus.yml makes use of this shell script
+# wrapped by /usr/bin/time to collect runtime statistics. Because the
+# --output option is used to log stats to a file, every child-process
+# inherits an open FD3 pointing at the log. However, some testing
+# operations depend on making use of FD3, and so it must be explicitly
+# closed here (and for all further child-processes).
+# STATS_LOGFILE assumed empty/undefined outside of Cirrus-CI (.cirrus.yml)
+# shellcheck disable=SC2154
+exec 3<&-
+
msg "************************************************************"
# Required to be defined by caller
# shellcheck disable=SC2154