xref: /xnu-11215.1.10/tests/vm/retired_pages.c (revision 8d741a5de7ff4191bf97d57b9f54c2f6d4a15585)
1*8d741a5dSApple OSS Distributions #include <sys/sysctl.h>
2*8d741a5dSApple OSS Distributions #include <time.h>
3*8d741a5dSApple OSS Distributions 
4*8d741a5dSApple OSS Distributions #include <darwintest.h>
5*8d741a5dSApple OSS Distributions 
6*8d741a5dSApple OSS Distributions T_GLOBAL_META(
7*8d741a5dSApple OSS Distributions 	T_META_NAMESPACE("xnu.vm"),
8*8d741a5dSApple OSS Distributions 	T_META_RADAR_COMPONENT_NAME("xnu"),
9*8d741a5dSApple OSS Distributions 	T_META_RADAR_COMPONENT_VERSION("VM"));
10*8d741a5dSApple OSS Distributions 
11*8d741a5dSApple OSS Distributions /*
12*8d741a5dSApple OSS Distributions  * trying phys offsets from start of dram of:
13*8d741a5dSApple OSS Distributions  * macOS 3Gig
14*8d741a5dSApple OSS Distributions  */
15*8d741a5dSApple OSS Distributions #define USEBOOTARG "ecc_bad_pages=3221225472 bad_static_mfree=1"
16*8d741a5dSApple OSS Distributions 
17*8d741a5dSApple OSS Distributions T_DECL(retired_pages_test,
18*8d741a5dSApple OSS Distributions     "Test retiring pages at boot",
19*8d741a5dSApple OSS Distributions     T_META_BOOTARGS_SET(USEBOOTARG),
20*8d741a5dSApple OSS Distributions     T_META_ASROOT(true),
21*8d741a5dSApple OSS Distributions     T_META_CHECK_LEAKS(false),
22*8d741a5dSApple OSS Distributions     T_META_ENABLED(0),
23*8d741a5dSApple OSS Distributions     T_META_TAG_VM_PREFERRED)
24*8d741a5dSApple OSS Distributions {
25*8d741a5dSApple OSS Distributions 	/* TODO: Joe will update/enable test in rdar://70008487 */
26*8d741a5dSApple OSS Distributions 
27*8d741a5dSApple OSS Distributions 	int err;
28*8d741a5dSApple OSS Distributions 	unsigned int count = 0;
29*8d741a5dSApple OSS Distributions 	size_t s = sizeof(count);
30*8d741a5dSApple OSS Distributions 
31*8d741a5dSApple OSS Distributions 	/*
32*8d741a5dSApple OSS Distributions 	 * Get the number of pages retired from the kernel
33*8d741a5dSApple OSS Distributions 	 */
34*8d741a5dSApple OSS Distributions 	err = sysctlbyname("vm.retired_pages_count", &count, &s, NULL, 0);
35*8d741a5dSApple OSS Distributions 
36*8d741a5dSApple OSS Distributions 	/* If the sysctl isn't supported, test succeeds */
37*8d741a5dSApple OSS Distributions 	if (err == ENOENT) {
38*8d741a5dSApple OSS Distributions 		T_SKIP("sysctl vm.retired_pages_count not found, skipping test");
39*8d741a5dSApple OSS Distributions 	}
40*8d741a5dSApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS(err, "sysctl vm.retired_pages_count");
41*8d741a5dSApple OSS Distributions 
42*8d741a5dSApple OSS Distributions 	T_ASSERT_GT_INT(count, 0, "Expect retired pages");
43*8d741a5dSApple OSS Distributions }
44