mirror of
https://github.com/darlinghq/darling-xnu.git
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196 lines
7.6 KiB
C
196 lines
7.6 KiB
C
#include <unistd.h>
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#include <stdint.h>
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#include <sys/time.h>
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#include <System/sys/codesign.h>
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#include <mach/mach_time.h>
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#include <mach/mach.h>
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#include <darwintest.h>
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#include <stdlib.h>
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T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
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#if !defined(CS_OPS_CLEARPLATFORM)
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#define CS_OPS_CLEARPLATFORM 13
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#endif
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#define WINDOW 1 /* seconds */
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#define MAX_ATTEMP_PER_SEC 10
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#define ITER 30
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#define RETRY 5
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static int
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remove_platform_binary(void)
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{
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int ret;
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uint32_t my_csflags;
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T_QUIET; T_ASSERT_POSIX_ZERO(csops(getpid(), CS_OPS_STATUS, &my_csflags, sizeof(my_csflags)), NULL);
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if (!(my_csflags & CS_PLATFORM_BINARY)) {
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return 0;
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}
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ret = csops(getpid(), CS_OPS_CLEARPLATFORM, NULL, 0);
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if (ret) {
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switch (errno) {
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case ENOTSUP:
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T_LOG("clearing platform binary not supported, skipping test");
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return -1;
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default:
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T_LOG("csops failed with flag CS_OPS_CLEARPLATFORM");
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return -1;
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}
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}
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my_csflags = 0;
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T_QUIET; T_ASSERT_POSIX_ZERO(csops(getpid(), CS_OPS_STATUS, &my_csflags, sizeof(my_csflags)), NULL);
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if (my_csflags & CS_PLATFORM_BINARY) {
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T_LOG("platform binary flag still set");
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return -1;
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}
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return 0;
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}
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struct all_host_info {
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vm_statistics64_data_t host_vm_info64_rev0;
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vm_statistics64_data_t host_vm_info64_rev1;
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vm_extmod_statistics_data_t host_extmod_info64;
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host_load_info_data_t host_load_info;
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vm_statistics_data_t host_vm_info_rev0;
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vm_statistics_data_t host_vm_info_rev1;
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vm_statistics_data_t host_vm_info_rev2;
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host_cpu_load_info_data_t host_cpu_load_info;
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task_power_info_v2_data_t host_expired_task_info;
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task_power_info_v2_data_t host_expired_task_info2;
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};
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static void
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check_host_info(struct all_host_info* data, unsigned long iter, char lett)
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{
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char* datap;
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unsigned long i, j;
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/* check that for the shorter revisions no data is copied on the bytes of diff with the longer */
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for (j = 0; j < iter; j++) {
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datap = (char*) &data[j].host_vm_info64_rev0;
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for (i = (HOST_VM_INFO64_REV0_COUNT * sizeof(int)); i < (HOST_VM_INFO64_REV1_COUNT * sizeof(int)); i++) {
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T_QUIET; T_ASSERT_EQ(datap[i], lett, "HOST_VM_INFO64_REV0 byte %lu iter %lu", i, j);
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}
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datap = (char*) &data[j].host_vm_info_rev0;
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for (i = (HOST_VM_INFO_REV0_COUNT * sizeof(int)); i < (HOST_VM_INFO_REV2_COUNT * sizeof(int)); i++) {
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T_QUIET; T_ASSERT_EQ(datap[i], lett, "HOST_VM_INFO_REV0 byte %lu iter %lu", i, j);
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}
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datap = (char*) &data[j].host_vm_info_rev1;
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for (i = (HOST_VM_INFO_REV1_COUNT * sizeof(int)); i < (HOST_VM_INFO_REV2_COUNT * sizeof(int)); i++) {
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T_QUIET; T_ASSERT_EQ(datap[i], lett, "HOST_VM_INFO_REV1 byte %lu iter %lu", i, j);
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}
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datap = (char*) &data[j].host_expired_task_info;
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for (i = (TASK_POWER_INFO_COUNT * sizeof(int)); i < (TASK_POWER_INFO_V2_COUNT * sizeof(int)); i++) {
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T_QUIET; T_ASSERT_EQ(datap[i], lett, "TASK_POWER_INFO_COUNT byte %lu iter %lu", i, j);
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}
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}
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T_LOG("No data overflow");
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datap = (char*) data;
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/* check that after MAX_ATTEMP_PER_SEC data are all the same */
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for (i = 0; i < sizeof(struct all_host_info); i++) {
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for (j = MAX_ATTEMP_PER_SEC - 1; j < iter - 1; j++) {
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T_QUIET; T_ASSERT_EQ(datap[i + (j * sizeof(struct all_host_info))], datap[i + ((j + 1) * sizeof(struct all_host_info))], "all_host_info iter %lu does not match iter %lu", j, j + 1);
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}
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}
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T_LOG("Data was cached");
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}
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static void
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get_host_info(struct all_host_info* data, host_t self, int iter)
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{
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int i;
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unsigned int count;
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for (i = 0; i < iter; i++) {
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count = HOST_VM_INFO64_REV0_COUNT;
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T_QUIET; T_ASSERT_POSIX_ZERO(host_statistics64(self, HOST_VM_INFO64, (host_info64_t)&data[i].host_vm_info64_rev0, &count), NULL);
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count = HOST_VM_INFO64_REV1_COUNT;
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T_QUIET; T_ASSERT_POSIX_ZERO(host_statistics64(self, HOST_VM_INFO64, (host_info64_t)&data[i].host_vm_info64_rev1, &count), NULL);
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count = HOST_EXTMOD_INFO64_COUNT;
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T_QUIET; T_ASSERT_POSIX_ZERO(host_statistics64(self, HOST_EXTMOD_INFO64, (host_info64_t)&data[i].host_extmod_info64, &count), NULL);
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count = HOST_LOAD_INFO_COUNT;
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T_QUIET; T_ASSERT_POSIX_ZERO(host_statistics(self, HOST_LOAD_INFO, (host_info_t)&data[i].host_load_info, &count), NULL);
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count = HOST_VM_INFO_REV0_COUNT;
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T_QUIET; T_ASSERT_POSIX_ZERO(host_statistics(self, HOST_VM_INFO, (host_info_t)&data[i].host_vm_info_rev0, &count), NULL);
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count = HOST_VM_INFO_REV1_COUNT;
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T_QUIET; T_ASSERT_POSIX_ZERO(host_statistics(self, HOST_VM_INFO, (host_info_t)&data[i].host_vm_info_rev1, &count), NULL);
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count = HOST_VM_INFO_REV2_COUNT;
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T_QUIET; T_ASSERT_POSIX_ZERO(host_statistics(self, HOST_VM_INFO, (host_info_t)&data[i].host_vm_info_rev2, &count), NULL);
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count = HOST_CPU_LOAD_INFO_COUNT;
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T_QUIET; T_ASSERT_POSIX_ZERO(host_statistics(self, HOST_CPU_LOAD_INFO, (host_info_t)&data[i].host_cpu_load_info, &count), NULL);
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count = TASK_POWER_INFO_COUNT;
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T_QUIET; T_ASSERT_POSIX_ZERO(host_statistics(self, HOST_EXPIRED_TASK_INFO, (host_info_t)&data[i].host_expired_task_info, &count), NULL);
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count = TASK_POWER_INFO_V2_COUNT;
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T_QUIET; T_ASSERT_POSIX_ZERO(host_statistics(self, HOST_EXPIRED_TASK_INFO, (host_info_t)&data[i].host_expired_task_info2, &count), NULL);
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}
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}
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T_DECL(test_host_statistics, "testing rate limit for host_statistics",
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T_META_CHECK_LEAKS(false), T_META_ALL_VALID_ARCHS(true))
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{
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unsigned long long start, end, window;
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int retry = 0;
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host_t self;
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char lett = 'a';
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struct all_host_info* data;
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mach_timebase_info_data_t timebaseInfo = { 0, 0 };
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if (remove_platform_binary()) {
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T_SKIP("Failed to remove platform binary");
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}
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data = malloc(ITER * sizeof(struct all_host_info));
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T_QUIET; T_ASSERT_NE(data, NULL, "malloc");
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/* check the size of the data structure against the bytes in COUNT*/
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T_QUIET; T_ASSERT_EQ(sizeof(data[0].host_vm_info64_rev0), HOST_VM_INFO64_COUNT * sizeof(int), "HOST_VM_INFO64_COUNT");
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T_QUIET; T_ASSERT_EQ(sizeof(data[0].host_extmod_info64), HOST_EXTMOD_INFO64_COUNT * sizeof(int), "HOST_EXTMOD_INFO64_COUNT");
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T_QUIET; T_ASSERT_EQ(sizeof(data[0].host_load_info), HOST_LOAD_INFO_COUNT * sizeof(int), "HOST_LOAD_INFO_COUNT");
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T_QUIET; T_ASSERT_EQ(sizeof(data[0].host_vm_info_rev0), HOST_VM_INFO_COUNT * sizeof(int), "HOST_VM_INFO_COUNT");
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T_QUIET; T_ASSERT_EQ(sizeof(data[0].host_cpu_load_info), HOST_CPU_LOAD_INFO_COUNT * sizeof(int), "HOST_CPU_LOAD_INFO_COUNT");
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T_QUIET; T_ASSERT_EQ(sizeof(data[0].host_expired_task_info2), TASK_POWER_INFO_V2_COUNT * sizeof(int), "TASK_POWER_INFO_V2_COUNT");
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/* check that the latest revision is the COUNT */
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T_QUIET; T_ASSERT_EQ(HOST_VM_INFO64_REV1_COUNT, HOST_VM_INFO64_COUNT, "HOST_VM_INFO64_REV1_COUNT");
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T_QUIET; T_ASSERT_EQ(HOST_VM_INFO_REV2_COUNT, HOST_VM_INFO_COUNT, "HOST_VM_INFO_REV2_COUNT");
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/* check that the previous revision are smaller than the latest */
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T_QUIET; T_ASSERT_LE(HOST_VM_INFO64_REV0_COUNT, HOST_VM_INFO64_REV1_COUNT, "HOST_VM_INFO64_REV0");
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T_QUIET; T_ASSERT_LE(HOST_VM_INFO_REV0_COUNT, HOST_VM_INFO_REV2_COUNT, "HOST_VM_INFO_REV0_COUNT");
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T_QUIET; T_ASSERT_LE(HOST_VM_INFO_REV1_COUNT, HOST_VM_INFO_REV2_COUNT, "HOST_VM_INFO_REV1_COUNT");
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T_QUIET; T_ASSERT_LE(TASK_POWER_INFO_COUNT, TASK_POWER_INFO_V2_COUNT, "TASK_POWER_INFO_COUNT");
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memset(data, lett, ITER * sizeof(struct all_host_info));
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self = mach_host_self();
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T_QUIET; T_ASSERT_EQ(mach_timebase_info(&timebaseInfo), KERN_SUCCESS, NULL);
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window = (WINDOW * NSEC_PER_SEC * timebaseInfo.denom) / timebaseInfo.numer;
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retry = 0;
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/* try to get ITER copies of host_info within window time, in such a way we should hit for sure a cached copy */
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do {
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start = mach_continuous_time();
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get_host_info(data, self, ITER);
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end = mach_continuous_time();
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retry++;
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} while ((end - start > window) && retry <= RETRY);
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if (retry <= RETRY) {
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check_host_info(data, ITER, lett);
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} else {
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T_SKIP("Failed to find window for test");
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}
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}
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