Added list of mlock-using processes to peakmem_tracker output
The change makes peakmem_tracker list processes that lock memory pages
from swapping to disk. It may be helpful when debugging oom-killer job
failures in gate in case when dstat shows that swap is not fully used
when oom-killer is triggered.
The peakmem_tracker service was renamed into memory_tracker to reflect
its new broader scope.
Needed-By: I5862d92478397eac2e61b8a61ce3437b698678be
Change-Id: I1dca120448ee87930fe903fd81277b58efaefc92
diff --git a/lib/dstat b/lib/dstat
index b705948..62795f5 100644
--- a/lib/dstat
+++ b/lib/dstat
@@ -21,16 +21,22 @@
# A better kind of sysstat, with the top process per time slice
run_process dstat "$TOP_DIR/tools/dstat.sh $LOGDIR"
- # To enable peakmem_tracker add:
- # enable_service peakmem_tracker
+ # To enable memory_tracker add:
+ # enable_service memory_tracker
# to your localrc
- run_process peakmem_tracker "$TOP_DIR/tools/peakmem_tracker.sh"
+ run_process memory_tracker "$TOP_DIR/tools/memory_tracker.sh"
+
+ # remove support for the old name when it's no longer used (sometime in Queens)
+ if is_service_enabled peakmem_tracker; then
+ deprecated "Use of peakmem_tracker in devstack is deprecated, use memory_tracker instead"
+ run_process peakmem_tracker "$TOP_DIR/tools/memory_tracker.sh"
+ fi
}
# stop_dstat() stop dstat process
function stop_dstat {
stop_process dstat
- stop_process peakmem_tracker
+ stop_process memory_tracker
}
# Restore xtrace