void
timer_stop(
const char *id)
{
long int diff = 0;
gettimeofday(&stopTime, 0);
print_measurement(id, startTime, stopTime, &diff);
}
int main(int argc, char **argv) {
vmi_instance_t vmi;
addr_t start_address;
struct timeval ktv_start;
struct timeval ktv_end;
char *vm = argv[1];
int buf_size = atoi(argv[2]);
int loops = atoi(argv[3]);
int mode = atoi(argv[4]);
unsigned char *buf = malloc(buf_size);
int i = 0;
long int diff;
long int *data = malloc(loops * sizeof(long int));
int j = 0;
uint32_t value = 0;
if (mode != 1 && mode != 2) {
printf("invalid mode\n");
return 1;
}
/* initialize the xen access library */
vmi_init(&vmi, VMI_AUTO | VMI_INIT_COMPLETE, vm);
/* find address to work from */
start_address = vmi_translate_ksym2v(vmi, "PsInitialSystemProcess");
start_address = vmi_translate_kv2p(vmi, start_address);
for (i = 0; i < loops; ++i) {
if (mode == 1) {
gettimeofday(&ktv_start, 0);
vmi_read_pa(vmi, start_address, buf, buf_size);
gettimeofday(&ktv_end, 0);
} else {
gettimeofday(&ktv_start, 0);
for (j = 0; j < buf_size / 4; ++j) {
vmi_read_32_pa(vmi, start_address + j * 4, &value);
}
gettimeofday(&ktv_end, 0);
}
print_measurement(ktv_start, ktv_end, &diff);
data[i] = diff;
memset(buf, 0, buf_size);
sleep(1);
}
avg_measurement(data, loops);
vmi_destroy(vmi);
free(buf);
return 0;
}
static void cdash_show_pass(TestReporter *reporter, const char *file, int line, const char *message, va_list arguments) {
double exectime;
CDashMemo *memo;
const char *name = get_current_from_breadcrumb((CgreenBreadcrumb *)reporter->breadcrumb);
(void)message;
(void)arguments;
memo = (CDashMemo *)reporter->memo;
memo->testfinished = cdash_current_time(NULL);
exectime = cdash_elapsed_time(memo->teststarted, memo->testfinished);
print_test_header(memo, "passed", name, file, line);
print_results_header(memo, name, exectime);
print_measurement(memo, "");
print_tail(memo);
}
static void show_incomplete(TestReporter *reporter, const char *file, int line, const char *message, va_list arguments) {
const char *name;
char buffer[1000];
float exectime;
CDashMemo *memo;
memo = (CDashMemo *)reporter->memo;
memo->testfinished = cdash_current_time(NULL);
exectime = (float)cdash_elapsed_time(memo->teststarted, memo->testfinished);
name = get_current_from_breadcrumb((CgreenBreadcrumb *)reporter->breadcrumb);
print_test_header(memo, "incomplete", name, file, line);
print_results_header(memo, name, exectime);
vsprintf(buffer, (message == NULL ? "Problem" : message), arguments);
print_measurement(memo, buffer);
print_tail(memo);
}
int main(int argc, char **argv) {
vmi_instance_t vmi;
addr_t vaddr;
struct timeval ktv_start;
struct timeval ktv_end;
char *vm = argv[1];
int loops = atoi(argv[2]);
int i = 0;
long int diff;
long int *data = malloc(loops * sizeof(long int));
/* initialize the xen access library */
vmi_init(&vmi, VMI_AUTO | VMI_INIT_COMPLETE, vm);
for (i = 0; i < loops; ++i) {
gettimeofday(&ktv_start, 0);
vaddr = vmi_translate_ksym2v(vmi, "PsGetCurrentThread");
gettimeofday(&ktv_end, 0);
if (0 == vaddr) {
perror("failed to lookup kernel symbol");
goto error_exit;
}
print_measurement(ktv_start, ktv_end, &diff);
data[i] = diff;
sleep(2);
}
avg_measurement(data, loops);
error_exit: vmi_destroy(vmi);
free(data);
return 0;
}