Commit 8ab8ba38 authored by Matthew Wilcox's avatar Matthew Wilcox

ida: Start new test_ida module

Start transitioning the IDA tests into kernel space.  Framework heavily
cribbed from test_xarray.c.
Signed-off-by: default avatarMatthew Wilcox <willy@infradead.org>
parent 31ff0cee
......@@ -1827,6 +1827,9 @@ config TEST_HASH
This is intended to help people writing architecture-specific
optimized versions. If unsure, say N.
config TEST_IDA
tristate "Perform selftest on IDA functions"
config TEST_PARMAN
tristate "Perform selftest on priority array manager"
default n
......
......@@ -50,6 +50,7 @@ obj-$(CONFIG_TEST_BPF) += test_bpf.o
obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o
obj-$(CONFIG_TEST_SYSCTL) += test_sysctl.o
obj-$(CONFIG_TEST_HASH) += test_hash.o test_siphash.o
obj-$(CONFIG_TEST_IDA) += test_ida.o
obj-$(CONFIG_TEST_KASAN) += test_kasan.o
CFLAGS_test_kasan.o += -fno-builtin
obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o
......
// SPDX-License-Identifier: GPL-2.0+
/*
* test_ida.c: Test the IDA API
* Copyright (c) 2016-2018 Microsoft Corporation
* Copyright (c) 2018 Oracle Corporation
* Author: Matthew Wilcox <willy@infradead.org>
*/
#include <linux/idr.h>
#include <linux/module.h>
static unsigned int tests_run;
static unsigned int tests_passed;
#ifdef __KERNEL__
void ida_dump(struct ida *ida) { }
#endif
#define IDA_BUG_ON(ida, x) do { \
tests_run++; \
if (x) { \
ida_dump(ida); \
dump_stack(); \
} else { \
tests_passed++; \
} \
} while (0)
static int ida_checks(void)
{
DEFINE_IDA(ida);
IDA_BUG_ON(&ida, !ida_is_empty(&ida));
printk("IDA: %u of %u tests passed\n", tests_passed, tests_run);
return (tests_run != tests_passed) ? 0 : -EINVAL;
}
static void ida_exit(void)
{
}
module_init(ida_checks);
module_exit(ida_exit);
MODULE_AUTHOR("Matthew Wilcox <willy@infradead.org>");
MODULE_LICENSE("GPL");
......@@ -22,6 +22,7 @@ targets: generated/map-shift.h $(TARGETS)
main: $(OFILES)
idr-test.o: ../../../lib/test_ida.c
idr-test: idr-test.o $(CORE_OFILES)
multiorder: multiorder.o $(CORE_OFILES)
......
......@@ -309,6 +309,15 @@ void idr_checks(void)
idr_u32_test(0);
}
#define module_init(x)
#define module_exit(x)
#define MODULE_AUTHOR(x)
#define MODULE_LICENSE(x)
#define dump_stack() assert(0)
void ida_dump(struct ida *);
#include "../../../lib/test_ida.c"
/*
* Check that we get the correct error when we run out of memory doing
* allocations. To ensure we run out of memory, just "forget" to preload.
......@@ -488,7 +497,7 @@ void ida_simple_get_remove_test(void)
ida_destroy(&ida);
}
void ida_checks(void)
void user_ida_checks(void)
{
DEFINE_IDA(ida);
int id;
......@@ -582,12 +591,19 @@ void ida_thread_tests(void)
pthread_join(threads[i], NULL);
}
void ida_tests(void)
{
user_ida_checks();
ida_checks();
ida_exit();
ida_thread_tests();
}
int __weak main(void)
{
radix_tree_init();
idr_checks();
ida_checks();
ida_thread_tests();
ida_tests();
radix_tree_cpu_dead(1);
rcu_barrier();
if (nr_allocated)
......
......@@ -324,7 +324,7 @@ static void single_thread_tests(bool long_run)
printv(2, "after dynamic_height_check: %d allocated, preempt %d\n",
nr_allocated, preempt_count);
idr_checks();
ida_checks();
ida_tests();
rcu_barrier();
printv(2, "after idr_checks: %d allocated, preempt %d\n",
nr_allocated, preempt_count);
......@@ -371,7 +371,6 @@ int main(int argc, char **argv)
iteration_test(0, 10 + 90 * long_run);
iteration_test(7, 10 + 90 * long_run);
single_thread_tests(long_run);
ida_thread_tests();
/* Free any remaining preallocated nodes */
radix_tree_cpu_dead(0);
......
......@@ -39,8 +39,7 @@ void multiorder_checks(void);
void iteration_test(unsigned order, unsigned duration);
void benchmark(void);
void idr_checks(void);
void ida_checks(void);
void ida_thread_tests(void);
void ida_tests(void);
struct item *
item_tag_set(struct radix_tree_root *root, unsigned long index, int tag);
......
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