1 files changed, 0 insertions, 361 deletions
diff --git a/test/access-detect_host.c b/test/access-detect_host.c
deleted file mode 100644
index 87a5edd..0000000
--- a/test/access-detect_host.c
+++ /dev/null
@@ -1,361 +0,0 @@
-#define _GNU_SOURCE
-
-#include "cachepc/uapi.h"
-
-#include <linux/psp-sev.h>
-#include <linux/kvm.h>
-#include <sys/syscall.h>
-#include <sys/ioctl.h>
-#include <sys/user.h>
-#include <sys/wait.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <signal.h>
-#include <dirent.h>
-#include <assert.h>
-#include <errno.h>
-#include <err.h>
-#include <fcntl.h>
-#include <sched.h>
-#include <dirent.h>
-#include <string.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdarg.h>
-
-#define ARRLEN(x) (sizeof(x) / sizeof((x)[0]))
-#define MIN(a,b) ((a) > (b) ? (b) : (a))
-
-#define TARGET_CORE 2
-#define SECONDARY_CORE 3
-
-#define TARGET_SET 15
-
-/* ioctl dev fds */
-static int kvm_dev;
-static int faultcnt;
-
-void
-hexdump(void *data, int len)
-{
-	int i;
-
-	for (i = 0; i < len; i++) {
-		if (i % 16 == 0 && i)
-			printf("\n");
-		printf("%02X ", *(uint8_t *)(data + i));
-	}
-	printf("\n");
-}
-
-bool
-pin_process(pid_t pid, int cpu, bool assert)
-{
-	cpu_set_t cpuset;
-	int ret;
-
-	CPU_ZERO(&cpuset);
-	CPU_SET(cpu, &cpuset);
-	ret = sched_setaffinity(pid, sizeof(cpu_set_t), &cpuset);
-	if (ret < 0) {
-		if (assert) err(1, "sched_setaffinity");
-		return false;
-	}
-
-	return true;
-}
-
-cpc_msrmt_t *
-read_counts()
-{
-	cpc_msrmt_t *counts;
-	int i, ret;
-
-	counts = malloc(L1_SETS * sizeof(cpc_msrmt_t));
-	if (!counts) err(1, "malloc");
-
-	ret = ioctl(kvm_dev, KVM_CPC_READ_COUNTS, counts);
-	if (ret) err(1, "ioctl READ_COUNTS");
-
-	for (i = 0; i < L1_SETS; i++) {
-		if (counts[i] > 8)
-			errx(1, "Invalid counts set %i", i);
-	}	
-
-	return counts;
-}
-
-void
-print_counts(cpc_msrmt_t *counts)
-{
-	int i;
-
-	for (i = 0; i < 64; i++) {
-		if (i % 16 == 0 && i)
-			printf("\n");
-		if (counts[i] == 1)
-			printf("\x1b[38;5;88m");
-		else if (counts[i] > 1)
-			printf("\x1b[38;5;196m");
-		printf("%2i ", i);
-		if (counts[i] > 0)
-			printf("\x1b[0m");
-	}
-	printf("\n");
-}
-
-void
-print_counts_raw(cpc_msrmt_t *counts)
-{
-	int i;
-
-	for (i = 0; i < 64; i++) {
-		if (i % 16 == 0 && i)
-			printf("\n");
-		if (counts[i] == 1)
-			printf("\x1b[38;5;88m");
-		else if (counts[i] > 1)
-			printf("\x1b[38;5;196m");
-		printf("%02X ", (uint8_t) counts[i]);
-		if (counts[i] > 0)
-			printf("\x1b[0m");
-	}
-	printf("\n");
-}
-
-int
-monitor(bool baseline)
-{
-	struct cpc_event event;
-	cpc_msrmt_t counts[64];
-	uint64_t inst_fault_gfn;
-	uint64_t read_fault_gfn;
-	uint64_t arg;
-	int ret, i;
-
-	/* Get page fault info */
-	ret = ioctl(kvm_dev, KVM_CPC_POLL_EVENT, &event);
-	if (ret) {
-		if (errno == EAGAIN)
-			return 0;
-		perror("ioctl POLL_EVENT");
-		return 1;
-	}
-
-	if (event.type == CPC_EVENT_CPUID) {
-		printf("CPUID EVENT\n");
-		if (event.guest.type == CPC_GUEST_START_TRACK) {
-			ret = ioctl(kvm_dev, KVM_CPC_TRACK_EXEC_CUR, &inst_fault_gfn);
-			if (ret) err(1, "ioctl TRACK_EXEC_CUR");
-
-			printf("CPUID INST PAGE: %lu\n", inst_fault_gfn);
-
-			arg = inst_fault_gfn;
-			ret = ioctl(kvm_dev, KVM_CPC_TRACK_RANGE_START, &arg);
-			if (ret) err(1, "ioctl TRACK_RANGE_START");
-
-			arg = inst_fault_gfn+8;
-			ret = ioctl(kvm_dev, KVM_CPC_TRACK_RANGE_END, &arg);
-			if (ret) err(1, "ioctl TRACK_RANGE_END");
-		} else if (event.guest.type == CPC_GUEST_STOP_TRACK) {
-			arg = 0;
-			ret = ioctl(kvm_dev, KVM_CPC_TRACK_RANGE_START, &arg);
-			if (ret) err(1, "ioctl TRACK_RANGE_START");
-
-			arg = 0;
-			ret = ioctl(kvm_dev, KVM_CPC_TRACK_RANGE_END, &arg);
-			if (ret) err(1, "ioctl TRACK_RANGE_END");
-		}
-
-		faultcnt++;
-	} else if (event.type == CPC_EVENT_TRACK_STEP) {
-		printf("STEP EVENT\n");
-
-		ret = ioctl(kvm_dev, KVM_CPC_READ_COUNTS, counts);
-		if (ret) err(1, "ioctl READ_COUNTS");
-
-		inst_fault_gfn = 0;
-		read_fault_gfn = 0;
-		for (i = 0; i < event.step.fault_count; i++) {
-			if ((event.step.fault_errs[i] & 0b11111) == 0b10100)
-				inst_fault_gfn = event.step.fault_gfns[i];
-			else if ((event.step.fault_errs[i] & 0b00110) == 0b00100)
-				read_fault_gfn = event.step.fault_gfns[i];
-		}
-
-		if (!baseline) {
-			printf("Event: cnt:%llu inst:%lu data:%lu retired:%llu\n",
-				event.step.fault_count, inst_fault_gfn,
-				read_fault_gfn, event.step.retinst);
-			print_counts(counts);
-			printf("\n");
-		}
-
-		for (i = 0; i < 64; i++) {
-			if (counts[i] > 8) {
-				warnx("Invalid count for set %i (%llu)",
-					i, counts[i]);
-				counts[i] = 8;
-			}
-		}
-
-		if (baseline) faultcnt++;
-	} else if (event.type == CPC_EVENT_TRACK_PAGE) {
-		printf("PAGE EVENT\n");
-
-		printf("Event: prev:%llu new:%llu retired:%llu\n",
-			event.page.inst_gfn_prev, event.page.inst_gfn,
-		       	event.page.retinst);
-	}
-
-	ret = ioctl(kvm_dev, KVM_CPC_ACK_EVENT, &event.id);
-	if (ret) err(1, "ioctl ACK_EVENT");
-
-	return 0;
-}
-
-int
-pgrep(const char *bin)
-{
-	char path[PATH_MAX];
-	char buf[PATH_MAX];
-	char *cmp;
-	struct dirent *ent;
-	FILE *f;
-	DIR *dir;
-
-	dir = opendir("/proc");
-	if (!dir) err(1, "opendir");
-
-	while ((ent = readdir(dir))) {
-		snprintf(path, sizeof(path), "/proc/%s/cmdline", ent->d_name);
-		f = fopen(path, "rb");
-		if (!f) continue;
-		memset(buf, 0, sizeof(buf));
-		fread(buf, 1, sizeof(buf), f);
-		if ((cmp = strrchr(buf, '/')))
-			cmp += 1;
-		else
-			cmp = buf;
-		if (!strcmp(cmp, bin))
-			return atoi(ent->d_name);
-		fclose(f);
-	}
-
-	closedir(dir);
-
-	return 0;
-}
-
-int
-main(int argc, const char **argv)
-{
-	pid_t pid;
-	uint32_t arg;
-	struct cpc_event event;
-	cpc_msrmt_t baseline[64];
-	int ret, i;
-	
-	kvm_dev = open("/dev/kvm", O_RDWR);
-	if (!kvm_dev) err(1, "open /dev/kvm");
-
-	setvbuf(stdout, NULL, _IONBF, 0);
-
-	pid = pgrep("qemu-system-x86_64");
-	if (!pid) errx(1, "Failed to find qemu instance");
-	printf("PID %i\n", pid);
-
-	pin_process(pid, TARGET_CORE, true);
-	pin_process(0, TARGET_CORE, true);
-
-	/* Setup needed performance counters */
-	ret = ioctl(kvm_dev, KVM_CPC_SETUP_PMC, NULL);
-	if (ret < 0) err(1, "ioctl SETUP_PMC");
-
-	/* Reset previous tracking */
-	ret = ioctl(kvm_dev, KVM_CPC_RESET_TRACKING, NULL);
-	if (ret) err(1, "ioctl RESET_TRACKING");
-
-	pin_process(0, SECONDARY_CORE, true);
-	printf("PINNED\n");
-
-	// arg = false;
-	// ret = ioctl(kvm_dev, KVM_CPC_SUB_BASELINE, &arg);
-	// if (ret) err(1, "ioctl SUB_BASELINE");
-
-	// arg = true;
-	// ret = ioctl(kvm_dev, KVM_CPC_MEASURE_BASELINE, &arg);
-	// if (ret) err(1, "ioctl MEASURE_BASELINE");
-
-	// arg = KVM_PAGE_TRACK_ACCESS;
-	// ret = ioctl(kvm_dev, KVM_CPC_TRACK_ALL, &arg);
-	// if (ret) err(1, "ioctl TRACK_ALL");
-
-	// arg = CPC_TRACK_DATA_ACCESS;
-	// ret = ioctl(kvm_dev, KVM_CPC_TRACK_MODE, &arg);
-	// if (ret) err(1, "ioctl TRACK_MODE");
-
-	// faultcnt = 0;
-	// while (faultcnt < 100) {
-	// 	if (monitor(true)) break;
-	// }
-
-	// do {
-	// 	ret = ioctl(kvm_dev, KVM_CPC_POLL_EVENT, &event);
-	// 	if (ret && errno != EAGAIN)
-	// 		err(1, "ioctl POLL_EVENT");
-	// } while (ret && errno == EAGAIN);
-
-	// arg = KVM_PAGE_TRACK_ACCESS;
-	// ret = ioctl(kvm_dev, KVM_CPC_UNTRACK_ALL, &arg);
-	// if (ret) err(1, "ioctl UNTRACK_ALL");
-
-	arg = CPC_TRACK_EXEC;
-	ret = ioctl(kvm_dev, KVM_CPC_TRACK_MODE, &arg);
-	if (ret) err(1, "ioctl TRACK_MODE");
-
-	arg = KVM_PAGE_TRACK_EXEC;
-	ret = ioctl(kvm_dev, KVM_CPC_TRACK_ALL, &arg);
-	if (ret) err(1, "ioctl TRACK_ALL");
-
-	// arg = false;
-	// ret = ioctl(kvm_dev, KVM_CPC_MEASURE_BASELINE, &arg);
-	// if (ret) err(1, "ioctl MEASURE_BASELINE");
-
-	// ret = ioctl(kvm_dev, KVM_CPC_READ_BASELINE, baseline);
-	// if (ret) err(1, "ioctl READ_BASELINE");
-
-	// printf("\n>>> BASELINE:\n");
-	// print_counts(baseline);
-	// printf("\n");
-	// print_counts_raw(baseline);
-	// printf("\n");
-
-	// /* Check baseline for saturated sets */
-	// for (i = 0; i < 64; i++) {
-	// 	if (baseline[i] >= 8)
-	// 		errx(1, "!!! Baseline set %i full\n", i);
-	// }
-
-	// arg = true;
-	// ret = ioctl(kvm_dev, KVM_CPC_SUB_BASELINE, &arg);
-	// if (ret) err(1, "ioctl SUB_BASELINE");
-
-	// ret = ioctl(kvm_dev, KVM_CPC_ACK_EVENT, &event.id);
-	// if (ret) err(1, "ioctl ACK_EVENT");
-
-	faultcnt = 0;
-	while (faultcnt < 10) {
-		if (monitor(false)) break;
-	}
-
-	arg = KVM_PAGE_TRACK_EXEC;
-	ret = ioctl(kvm_dev, KVM_CPC_UNTRACK_ALL, &arg);
-	if (ret) err(1, "ioctl UNTRACK_ALL");
-}
-