1*fdd8201dSApple OSS Distributions #include <sys/sysctl.h> 2*fdd8201dSApple OSS Distributions #include <time.h> 3*fdd8201dSApple OSS Distributions 4*fdd8201dSApple OSS Distributions #include <darwintest.h> 5*fdd8201dSApple OSS Distributions 6*fdd8201dSApple OSS Distributions T_GLOBAL_META( 7*fdd8201dSApple OSS Distributions T_META_NAMESPACE("xnu.vm"), 8*fdd8201dSApple OSS Distributions T_META_RADAR_COMPONENT_NAME("xnu"), 9*fdd8201dSApple OSS Distributions T_META_RADAR_COMPONENT_VERSION("VM")); 10*fdd8201dSApple OSS Distributions 11*fdd8201dSApple OSS Distributions /* 12*fdd8201dSApple OSS Distributions * trying phys offsets from start of dram of: 13*fdd8201dSApple OSS Distributions * macOS 3Gig 14*fdd8201dSApple OSS Distributions */ 15*fdd8201dSApple OSS Distributions #define USEBOOTARG "bad_ram_pages=3221225472 bad_static_mfree=1" 16*fdd8201dSApple OSS Distributions 17*fdd8201dSApple OSS Distributions T_DECL(retired_pages_test, 18*fdd8201dSApple OSS Distributions "Test retiring pages at boot", 19*fdd8201dSApple OSS Distributions T_META_BOOTARGS_SET(USEBOOTARG), 20*fdd8201dSApple OSS Distributions T_META_ASROOT(true), 21*fdd8201dSApple OSS Distributions T_META_CHECK_LEAKS(false), 22*fdd8201dSApple OSS Distributions T_META_ENABLED(TARGET_OS_OSX && TARGET_CPU_ARM64)) 23*fdd8201dSApple OSS Distributions { 24*fdd8201dSApple OSS Distributions int err; 25*fdd8201dSApple OSS Distributions unsigned int count = 0; 26*fdd8201dSApple OSS Distributions size_t s = sizeof(count); 27*fdd8201dSApple OSS Distributions 28*fdd8201dSApple OSS Distributions /* 29*fdd8201dSApple OSS Distributions * Get the number of pages retired from the kernel 30*fdd8201dSApple OSS Distributions */ 31*fdd8201dSApple OSS Distributions err = sysctlbyname("vm.retired_pages_count", &count, &s, NULL, 0); 32*fdd8201dSApple OSS Distributions 33*fdd8201dSApple OSS Distributions /* If the sysctl isn't supported, test succeeds */ 34*fdd8201dSApple OSS Distributions if (err == ENOENT) { 35*fdd8201dSApple OSS Distributions T_SKIP("sysctl vm.retired_pages_count not found, skipping test"); 36*fdd8201dSApple OSS Distributions } 37*fdd8201dSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(err, "sysctl vm.retired_pages_count"); 38*fdd8201dSApple OSS Distributions 39*fdd8201dSApple OSS Distributions T_ASSERT_GT_INT(count, 0, "Expect retired pages"); 40*fdd8201dSApple OSS Distributions } 41