From e15e06a8392321a19d8ebdbdd7643b7fa8874c17 Mon Sep 17 00:00:00 2001 From: "Liam R. Howlett" Date: Tue, 6 Sep 2022 19:48:45 +0000 Subject: lib/test_maple_tree: add testing for maple tree This is a test suite that uses the radix test infrastructure. It has been split into its own commit to allow for easier review of the maple tree code. The testing includes: - Allocation of nodes - gfp flag allocation checks - Expansion & contraction of tree - preallocation checks - tree navigation by next/prev - tree navigation by iterators (mas_for_each, etc) - Number of nodes for a given number of entries - Generic tree construction tests - Addition and removal of entries in forward and reverse numerical indexes - gap searching both forward and reverse - Combining gaps by overwriting entries in different ways - splitting right-most node - splitting left-most node - overwriting multiple slots - overwriting across different levels of the tree - overwriting the middle of a tree - causing a 3-way split up to the root by overwriting the last slot and first slot of different nodes and spanning different levels - RCU stress testing of the tree with threads - Duplication of the tree by entry count - Tests which were generated by fuzzers have been added. - A large number of tests which come from recording crashing in a VM and reconstructing the tree (see check_erase2_set()) Link: https://lkml.kernel.org/r/20220906194824.2110408-8-Liam.Howlett@oracle.com Signed-off-by: Liam R. Howlett Tested-by: Yu Zhao Cc: Catalin Marinas Cc: David Hildenbrand Cc: David Howells Cc: Davidlohr Bueso Cc: "Matthew Wilcox (Oracle)" Cc: SeongJae Park Cc: Sven Schnelle Cc: Vlastimil Babka Cc: Will Deacon Signed-off-by: Andrew Morton --- tools/testing/radix-tree/Makefile | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'tools') diff --git a/tools/testing/radix-tree/Makefile b/tools/testing/radix-tree/Makefile index c4ea4fbb0bfc..89d613e0505b 100644 --- a/tools/testing/radix-tree/Makefile +++ b/tools/testing/radix-tree/Makefile @@ -4,9 +4,9 @@ CFLAGS += -I. -I../../include -g -Og -Wall -D_LGPL_SOURCE -fsanitize=address \ -fsanitize=undefined LDFLAGS += -fsanitize=address -fsanitize=undefined LDLIBS+= -lpthread -lurcu -TARGETS = main idr-test multiorder xarray +TARGETS = main idr-test multiorder xarray maple CORE_OFILES := xarray.o radix-tree.o idr.o linux.o test.o find_bit.o bitmap.o \ - slab.o + slab.o maple.o OFILES = main.o $(CORE_OFILES) regression1.o regression2.o regression3.o \ regression4.o tag_check.o multiorder.o idr-test.o iteration_check.o \ iteration_check_2.o benchmark.o @@ -29,6 +29,8 @@ idr-test: idr-test.o $(CORE_OFILES) xarray: $(CORE_OFILES) +maple: $(CORE_OFILES) + multiorder: multiorder.o $(CORE_OFILES) clean: @@ -40,6 +42,7 @@ $(OFILES): Makefile *.h */*.h generated/map-shift.h \ ../../include/linux/*.h \ ../../include/asm/*.h \ ../../../include/linux/xarray.h \ + ../../../include/linux/maple_tree.h \ ../../../include/linux/radix-tree.h \ ../../../include/linux/idr.h @@ -51,6 +54,8 @@ idr.c: ../../../lib/idr.c xarray.o: ../../../lib/xarray.c ../../../lib/test_xarray.c +maple.o: ../../../lib/maple_tree.c ../../../lib/test_maple_tree.c + generated/map-shift.h: @if ! grep -qws $(SHIFT) generated/map-shift.h; then \ echo "#define XA_CHUNK_SHIFT $(SHIFT)" > \ -- cgit v1.2.3