From 0451909e0533d357a45dd427226028e095240dac Mon Sep 17 00:00:00 2001 From: Niels de Vos Date: Tue, 21 Feb 2017 14:35:52 +0100 Subject: debug/sink: add xlator to aid in resource leak debugging This new xlator does not allocate any resources on init(). This makes it a good option to use for debugging xlator releated resources leaks on fini(). By putting the sink xlator as single xlator in a .vol file, and loading it through gfapi, we can investigate the resource leaks that are happening through gfapi (and the Gluster core). By extending the .vol file with additional xlators, it is possible to analyze resource leaks of single xlators. Change-Id: Idb5faa861b623dd5b2a988b181e669b0d52c2a0e BUG: 1425623 Fixes: #176 Signed-off-by: Niels de Vos Reviewed-on: https://review.gluster.org/16806 NetBSD-regression: NetBSD Build System CentOS-regression: Gluster Build System Smoke: Gluster Build System Reviewed-by: Shyamsundar Ranganathan --- tests/basic/gfapi/sink.t | 13 +++++++++++++ tests/basic/gfapi/sink.vol | 24 ++++++++++++++++++++++++ 2 files changed, 37 insertions(+) create mode 100644 tests/basic/gfapi/sink.t create mode 100644 tests/basic/gfapi/sink.vol (limited to 'tests/basic/gfapi') diff --git a/tests/basic/gfapi/sink.t b/tests/basic/gfapi/sink.t new file mode 100644 index 00000000000..53af2ecf62d --- /dev/null +++ b/tests/basic/gfapi/sink.t @@ -0,0 +1,13 @@ +#!/bin/bash + +. $(dirname $0)/../../include.rc +. $(dirname $0)/../../volume.rc + +cleanup + +TEST build_tester $(dirname ${0})/gfapi-load-volfile.c -lgfapi +TEST ./$(dirname ${0})/gfapi-load-volfile $(dirname $0)/sink.vol + +cleanup_tester $(dirname ${0})/gfapi-load-volfile + +cleanup diff --git a/tests/basic/gfapi/sink.vol b/tests/basic/gfapi/sink.vol new file mode 100644 index 00000000000..d1c92261448 --- /dev/null +++ b/tests/basic/gfapi/sink.vol @@ -0,0 +1,24 @@ +# +# The sink xlator does not do any memory allocations. It only passes the FOPs +# through to the next xlator. +# +# For testing, there is no next xlator needed, we are only interested in the +# resource usage of the Gluster core when gfapi is used. +# +# Note: The sink xlator does not handle any calls. Mounting is possible, but +# any I/O needs additional functionality in the sink xlator. +# +volume sink + type debug/sink + # an option is required, otherwise the graph parsing fails + option an-option-is-required yes +end-volume + +# +# It is possible to test the resource usage of other xlators by adding them in +# the graph before the "sink". +# +#volume mdcache-sink +# type performance/md-cache +# subvolumes sink +#end-volume -- cgit