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| author | Davidlohr Bueso <dave@stgolabs.net> | 2017-11-17 15:28:27 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-17 16:10:02 -0800 |
| commit | 0b548e33e6cb2bff240fdaf1783783be15c29080 (patch) | |
| tree | 1a47af5c7d4e44cf0dadb5247493160c397a06b0 | |
| parent | e4795e3bb7d7b3b3d066cea57fb459f869500284 (diff) | |
| download | lwn-0b548e33e6cb2bff240fdaf1783783be15c29080.tar.gz lwn-0b548e33e6cb2bff240fdaf1783783be15c29080.zip | |
lib/rbtree-test: lower default params
Fengguang reported soft lockups while running the rbtree and interval
tree test modules. The logic for these tests all occur in init phase,
and we currently are pounding with the default values for number of
nodes and number of iterations of each test. Reduce the latter by two
orders of magnitude. This does not influence the value of the tests in
that one thousand times by default is enough to get the picture.
Link: http://lkml.kernel.org/r/20171109161715.xai2dtwqw2frhkcm@linux-n805
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | lib/interval_tree_test.c | 4 | ||||
| -rw-r--r-- | lib/rbtree_test.c | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/lib/interval_tree_test.c b/lib/interval_tree_test.c index 0e343fd29570..835242e74aaa 100644 --- a/lib/interval_tree_test.c +++ b/lib/interval_tree_test.c @@ -11,10 +11,10 @@ MODULE_PARM_DESC(name, msg); __param(int, nnodes, 100, "Number of nodes in the interval tree"); -__param(int, perf_loops, 100000, "Number of iterations modifying the tree"); +__param(int, perf_loops, 1000, "Number of iterations modifying the tree"); __param(int, nsearches, 100, "Number of searches to the interval tree"); -__param(int, search_loops, 10000, "Number of iterations searching the tree"); +__param(int, search_loops, 1000, "Number of iterations searching the tree"); __param(bool, search_all, false, "Searches will iterate all nodes in the tree"); __param(uint, max_endpoint, ~0, "Largest value for the interval's endpoint"); diff --git a/lib/rbtree_test.c b/lib/rbtree_test.c index 191a238e5a9d..7d36c1e27ff6 100644 --- a/lib/rbtree_test.c +++ b/lib/rbtree_test.c @@ -11,7 +11,7 @@ MODULE_PARM_DESC(name, msg); __param(int, nnodes, 100, "Number of nodes in the rb-tree"); -__param(int, perf_loops, 100000, "Number of iterations modifying the rb-tree"); +__param(int, perf_loops, 1000, "Number of iterations modifying the rb-tree"); __param(int, check_loops, 100, "Number of iterations modifying and verifying the rb-tree"); struct test_node { |