static void uart_init(size_t baud_rate)
{
GPIO_REG(GPIO_IOF_SEL) &= ~IOF0_UART0_MASK;
GPIO_REG(GPIO_IOF_EN) |= IOF0_UART0_MASK;
UART0_REG(UART_REG_DIV) = get_cpu_freq() / baud_rate - 1;
UART0_REG(UART_REG_TXCTRL) |= UART_TXEN;
}
int
main(int argc, char **argv)
{
pid_t pid[32], p;
int i;
uint64_t start, end, usec;
printf("Create directories...\n");
start = read_tsc();
create_dir(PATH_PREFIX);
for (i = 0; i < nr_threads; i++) {
p = fork();
if (p == 0) {
worker((void *) (long) i);
exit(0);
}
pid[i] = p;
}
for (i = 0; i < nr_threads; i++) {
waitpid(pid[i], NULL, 0);
}
end = read_tsc();
usec = (end - start) * 1000000 / get_cpu_freq();
printf("usec: %ld\t\n", usec);
printf("Cleanup directories...\n");
/* system("rm -rf /tmp/_dirs"); */
return 0;
}
void get_sys_info(sys_info_t *sys_info)
{
int freq = get_cpu_freq();
memset(sys_info, 0, sizeof(sys_info_t));
sys_info->freq_systembus = freq;
sys_info->freq_ddrbus = freq;
sys_info->freq_processor[0] = freq;
}
/* 功能：获取系统运行状态
* 参数: pskb网络数据指针
* 返回值：无
* */
void get_machine_stat(char *pskb)
{
struct CheckMachineStat *pBoardStat = (struct CheckMachineStat*)pskb;
/* 填充消息结构*/
pBoardStat->CheckMachineStatMsg.MsgId = ARM_PC_CHECK_MACHINE_STAT_RSP;
pBoardStat->CheckMachineStatMsg.MsgLen = sizeof(*pBoardStat)
- sizeof(pBoardStat->CheckMachineStatMsg);
pBoardStat->MachineStat = 1;
pBoardStat->TempData = get_ds18b20_temperature();
pBoardStat->Voltage = get_adc_voltage();
pBoardStat->CpuFreq = get_cpu_freq();
pBoardStat->FreeMemSpace = get_freemem_space();
pBoardStat->FreeDiskSpace = get_freedisk_space();
}
void _init()
{
#ifndef NO_INIT
use_default_clocks();
use_pll(0, 0, 1, 31, 1);
uart_init(115200);
rt_kprintf("core freq at %ld Hz\n", get_cpu_freq());
write_csr(mtvec, &trap_entry);
if (read_csr(misa) & (1 << ('F' - 'A'))) { // if F extension is present
write_csr(mstatus, MSTATUS_FS); // allow FPU instructions without trapping
write_csr(fcsr, 0); // initialize rounding mode, undefined at reset
}
#endif
}
int main(int argc, const char *argv[])
{
(void)argc;
(void)argv;
Display *dpy;
char msg[100];
dpy = XOpenDisplay(NULL);
struct net_bandwidth speed;
struct tm tm;
time_t t;
do
{
speed = get_network_speed();
t = time(NULL);
tm = *localtime(&t);
sprintf(msg, "freq: %" PRIi32 "MHz "
"temp: %" PRIi32 "C "
"cpu: %" PRIi32 "%% "
"ram: %" PRIi64 "MB "
"U: %" PRIu32 "kB D: %" PRIu32 "kB "
"V: %" PRIi64 "%% "
"%02d.%02d. %02d:%02d\n",
get_cpu_freq(), get_cpu_temp(), get_cpu_usage(),
get_ram_usage(), speed.up, speed.down,
get_alsa_volume(), tm.tm_mday, tm.tm_mon + 1,
tm.tm_hour, tm.tm_min);
XStoreName(dpy, DefaultRootWindow(dpy), msg);
XSync(dpy, False);
} while(!sleep(DELAY));
XCloseDisplay(dpy);
printf("Something happened!");
return 0;
}
int print_processor_info() {
//puts("CPU info:");
printf("CPU ID: %d\n",get_cpuid());
int platform_cores = get_cpucnt();
printf("Number of cores: %d\n",platform_cores);
//printf("Operating frequency: %d MHz\n",(get_cpu_freq()) >> 20);
printf("Operating frequency: %d MHz\n",(get_cpu_freq())/1000000);
int i = 0;
int cores = 1;
for(i = 1; i < get_cpucnt(); i++){
if(boot_info->slave[i].status != STATUS_NULL){
cores++;
}
}
printf("Number of cores booted: %d\n",cores);
int noc_cores = print_noc_info();
ABORT_IF_FAIL(platform_cores!=noc_cores,"An incorrect noc schedule is used");
ABORT_IF_FAIL(platform_cores!=cores,"Not all cores booted");
return cores;
}
/* 功能：获取系统运行状态
* 参数: MCM请求消息
* 返回值：无
* */
void get_machine_info_req(s8 *pskb)
{
struct stru_machine_info_req *prMachineInfoReq = (struct stru_machine_info_req *)pskb;
struct stru_machine_info_rsp rMachineInfoRsp;
memset(&rMachineInfoRsp, 0, sizeof(rMachineInfoRsp));
/* 构造反馈消息*/
rMachineInfoRsp.struMsgHeader.u16MsgType = O_MAINMCM_MACHINE_INFO_QUERY_RSP;
rMachineInfoRsp.struMsgHeader.u16MsgLength = sizeof(rMachineInfoRsp)
- sizeof(rMachineInfoRsp.struMsgHeader);
rMachineInfoRsp.struMsgHeader.u8TransType = prMachineInfoReq->struMsgHeader.u8TransType;
get_ds18b20_temperature(&rMachineInfoRsp.f32Temp);
get_adc_voltage(&rMachineInfoRsp.f32Vol);
get_cpu_freq(&rMachineInfoRsp.f32CpuFreq);
get_freemem_space(&rMachineInfoRsp.u32FreeMem);
get_freedisk_space(&rMachineInfoRsp.u32FreeDisk);
/* 反馈消息到MCM*/
send_rsp_message(&rMachineInfoRsp,
sizeof(rMachineInfoRsp),
prMachineInfoReq->struMsgHeader.u8TransType);
}
// Sets the clock rate of the controller
SDErr spi_set_clockrate(const uint32_t rate) {
uint32_t patmos_rate = get_cpu_freq();
if (patmos_rate % rate != 0) {
/*
printf("Invalid clock rate (%ld)! Must be divisor of CPU rate (%ld)\n",
rate, patmos_rate);
*/
return SD_CLK_DIVISOR;
}
if (rate > patmos_rate / 2) {
/*
printf("Invalid clock rate (%ld)! Must be smaller than or equal to"
"half the CPU rate (%ld)\n", rate, patmos_rate);
*/
return SD_CLK_HIGH;
}
uint32_t clkdiv = (patmos_rate / rate) / 2;
while(*sd_en_ptr != 0);
*sd_clkdiv_ptr = clkdiv;
return SD_SUCCESS;
}
/*
* Display the CPUs present on this board.
*/
void
display_cpus(Board_node *board)
{
Prom_node *cpu;
/*
* display the CPUs' operating frequency, cache size, impl. field
* and mask revision.
*/
for (cpu = dev_find_type(board->nodes, "cpu"); cpu != NULL;
cpu = dev_next_type(cpu, "cpu")) {
int freq; /* CPU clock frequency */
int ecache_size; /* External cache size */
int *mid;
int *impl;
int *mask, decoded_mask;
mid = (int *)get_prop_val(find_prop(cpu, "upa-portid"));
if (mid == NULL) {
mid = (int *)get_prop_val(find_prop(cpu, "portid"));
}
freq = (get_cpu_freq(cpu) + 500000) / 1000000;
ecache_size = get_ecache_size(cpu);
impl = (int *)get_prop_val(find_prop(cpu, "implementation#"));
mask = (int *)get_prop_val(find_prop(cpu, "mask#"));
/* Do not display a failed CPU node */
if ((freq != 0) && (node_failed(cpu) == 0)) {
/* Board number */
display_boardnum(board->board_num);
/* CPU MID */
log_printf(" %2d ", *mid, 0);
/* Module number */
display_mid(*mid);
/* Running frequency */
log_printf(" %3d ", freq, 0);
/* Ecache size */
if (ecache_size == 0)
log_printf(" %3s ", "N/A", 0);
else
log_printf(" %4.1f ",
(float)ecache_size / (float)(1<<20),
0);
/* Implementation */
if (impl == NULL) {
log_printf("%6s ", "N/A", 0);
} else {
switch (*impl) {
case SPITFIRE_IMPL:
log_printf("%-6s ", "US-I", 0);
break;
case BLACKBIRD_IMPL:
log_printf("%-6s ", "US-II", 0);
break;
case CHEETAH_IMPL:
log_printf("%-6s ", "US-III", 0);
break;
case CHEETAH_PLUS_IMPL:
log_printf("%-7s ", "US-III+", 0);
break;
case JAGUAR_IMPL:
log_printf("%-6s ", "US-IV", 0);
break;
default:
log_printf("%-6x ", *impl, 0);
break;
}
}
/* CPU Mask */
if (mask == NULL) {
log_printf(" %3s", "N/A", 0);
} else {
if ((impl) && IS_CHEETAH(*impl))
decoded_mask =
REMAP_CHEETAH_MASK(*mask);
else
decoded_mask = *mask;
log_printf(" %d.%d", (decoded_mask >> 4) & 0xf,
decoded_mask & 0xf, 0);
}
log_printf("\n", 0);
}
}
void
display_cpus(Board_node *board)
{
Prom_node *cpu;
uint_t freq;
int ecache_size;
int *l3_shares;
int *mid;
int *impl;
int *mask;
int *coreid;
char fru_prev = 'X'; /* Valid frus are 'A','B' */
int mid_prev;
int ecache_size_prev = 0;
char fru_name;
/*
* display the CPUs' operating frequency, cache size, impl. field
* and mask revision.
*/
for (cpu = dev_find_type(board->nodes, "cpu"); cpu != NULL;
cpu = dev_next_type(cpu, "cpu")) {
mid = (int *)get_prop_val(find_prop(cpu, "portid"));
if (mid == NULL)
mid = (int *)get_prop_val(find_prop(cpu, "cpuid"));
freq = HZ_TO_MHZ(get_cpu_freq(cpu));
ecache_size = get_ecache_size(cpu);
impl = (int *)get_prop_val(find_prop(cpu, "implementation#"));
mask = (int *)get_prop_val(find_prop(cpu, "mask#"));
l3_shares =
(int *)get_prop_val(find_prop(cpu, "l3-cache-sharing"));
/* Do not display a failed CPU node */
if ((impl == NULL) || (freq == 0) || (node_failed(cpu)))
continue;
fru_name = CHERRYSTONE_GETSLOT_LABEL(*mid);
if (CPU_IMPL_IS_CMP(*impl)) {
coreid = (int *)get_prop_val(find_prop(cpu, "reg"));
if (coreid == NULL) {
continue;
}
if ((fru_prev == 'X') ||
((fru_prev != 'X') &&
(fru_name != fru_prev))) {
fru_prev = fru_name;
mid_prev = *mid;
ecache_size_prev = ecache_size;
continue;
} else {
/*
* Some CMP chips have a split E$,
* so the size for both cores is added
* together to get the total size for
* the chip.
*
* Still, other CMP chips have E$ (L3)
* which is logically shared, so the
* total size is equal to the core size.
*/
if ((l3_shares == NULL) ||
((l3_shares != NULL) &&
MULTIPLE_BITS_SET(*l3_shares))) {
ecache_size += ecache_size_prev;
}
ecache_size_prev = 0;
fru_prev = 'X';
}
}
log_printf(" %c", fru_name);
/* CPU Module ID */
if (CPU_IMPL_IS_CMP(*impl)) {
log_printf("%3d,%3d ", mid_prev, *mid, 0);
} else
log_printf(" %2d ", *mid);
/* Running frequency */
log_printf("%4u", freq);
if (ecache_size == 0)
log_printf(" N/A ");
else
log_printf(" %4.1f ",
(float)ecache_size / (float)(1<<20));
/* Implementation */
if (impl == NULL) {
log_printf(dgettext(TEXT_DOMAIN, " N/A "));
} else {
if (IS_CHEETAH(*impl))
log_printf(dgettext(TEXT_DOMAIN,
"US-III "));
else if (IS_CHEETAH_PLUS(*impl))
log_printf(dgettext(TEXT_DOMAIN,
"US-III+ "));
else if (IS_JAGUAR(*impl))
log_printf(dgettext(TEXT_DOMAIN,
"US-IV "));
else if (IS_PANTHER(*impl))
log_printf(dgettext(TEXT_DOMAIN,
"US-IV+ "));
else
log_printf("%-6x ", *impl);
}
/* CPU Mask */
if (mask == NULL) {
log_printf(dgettext(TEXT_DOMAIN, " N/A\n"));
} else {
log_printf(dgettext(TEXT_DOMAIN, " %d.%d\n"),
(*mask >> 4) & 0xf, *mask & 0xf);
}
}
}
static long px_tp_d_ioctl( struct file *fp,
unsigned int cmd,
unsigned long arg)
#endif
{
switch (cmd)
{
case PX_TP_CMD_START_MODULE_TRACKING:
return start_module_tracking();
case PX_TP_CMD_START_SAMPLING:
return start_sampling((bool *)arg);
case PX_TP_CMD_STOP_PROFILING:
return stop_profiling();
case PX_TP_CMD_PAUSE_PROFILING:
return pause_profiling();
case PX_TP_CMD_RESUME_PROFILING:
return resume_profiling();
case PX_TP_CMD_ALLOC_EVENT_BUFFER:
return allocate_event_buffer((unsigned int *)arg);
case PX_TP_CMD_ALLOC_MODULE_BUFFER:
return allocate_module_buffer((unsigned int *)arg);
case PX_TP_CMD_FREE_EVENT_BUFFER:
return free_event_buffer();
case PX_TP_CMD_FREE_MODULE_BUFFER:
return free_module_buffer();
case PX_TP_CMD_SET_AUTO_LAUNCH_APP_PID:
return set_auto_launch_app_pid((pid_t *)arg);
case PX_TP_CMD_SET_WAIT_IMAGE_LOAD_NAME:
return set_wait_image_load_name((char *)arg);
case PX_TP_CMD_QUERY_REQUEST:
return query_request((struct query_request_data *)arg);
case PX_TP_CMD_GET_CPU_ID:
return get_cpu_id((unsigned long *)arg);
case PX_TP_CMD_GET_TARGET_RAW_DATA_LENGTH:
return get_target_raw_data_length((unsigned long *)arg);
case PX_TP_CMD_GET_TARGET_INFO:
return get_target_info((unsigned long *)arg);
case PX_TP_CMD_GET_CPU_FREQ:
return get_cpu_freq((unsigned int *)arg);
case PX_TP_CMD_GET_TIMESTAMP_FREQ:
return get_timestamp_frequency((unsigned long *)arg);
case PX_TP_CMD_GET_TIMESTAMP:
return get_time_stamp((unsigned long long *)arg);
case PX_TP_CMD_ADD_MODULE_RECORD:
return add_module_record((struct add_module_data *)arg);
#if 0
case PX_TP_CMD_RESET_EVENT_BUFFER_FULL:
return reset_event_buffer_full((bool *)arg);
case PX_TP_CMD_RESET_MODULE_BUFFER_FULL:
return reset_module_buffer_full((bool *)arg);
#endif
// case PX_TP_CMD_SET_KERNEL_FUNC_ADDR:
// return set_kernel_func_addr((struct tp_kernel_func_addr *)arg);
// case PX_TP_CMD_HOOK_ADDRESS:
// return hook_address((struct tp_hook_address *)arg);
case PX_TP_CMD_READ_EVENT_BUFFER:
return read_event_buffer((struct read_buffer_data *)arg);
case PX_TP_CMD_READ_MODULE_BUFFER:
return read_module_buffer((struct read_buffer_data *)arg);
case PX_TP_CMD_GET_POSSIBLE_CPU_NUM:
return get_possible_cpu_number((unsigned int *)arg);
case PX_TP_CMD_GET_ONLINE_CPU_NUM:
return get_online_cpu_number((unsigned int *)arg);
default:
return -EINVAL;
}
}
void *ref1(void*){
int target_fps = 0;
int target_Ug = 0;
int target_Uc = 0;
start_sampling = 1;
int fps;
int Ug;
static unsigned long long Ug_bp,Ug_tp;
get_gpu_time(&Ug_bp,&Ug_tp);
int Uc;
static unsigned long long Uc_bp,Uc_tp;
get_cpu_time(4,&Uc_bp,&Uc_tp);
int Fc,Fg;
while(true){
if(game == -1){sleep(1);start_sampling=1;continue;}
Fc=get_cpu_freq(0);
Fg=get_gpu_freq();
//printf("Sample%d Fc=%d,Fg=%d,Uc=%d,Ug=%d\n",start_sampling,get_cpu_freq(0),get_gpu_freq(),Uc,Ug);
if(start_sampling == 1){
fps = get_fps(binder);
Uc = get_cpu_util(4,&Uc_bp,&Uc_tp);
Ug = get_gpu_util(&Ug_bp,&Ug_tp);
printf("Sample%d Fc=%d,Fg=%d,Uc=%d,Ug=%d\n",start_sampling,Fc,Fg,Uc,Ug);
if(target_fps < fps)target_fps = fps;
if(target_Uc < Uc)target_Uc = Uc;
if(target_Ug < Ug)target_Ug = Ug;
set_cpu_freq(0,FL[3]);
set_gpu_freq(GFL[4]);
start_sampling=2;
sleep(1);continue;
}else if(start_sampling == 2){
fps = get_fps(binder);
Uc = get_cpu_util(4,&Uc_bp,&Uc_tp);
Ug = get_gpu_util(&Ug_bp,&Ug_tp);
printf("Sample%d Fc=%d,Fg=%d,Uc=%d,Ug=%d\n",start_sampling,Fc,Fg,Uc,Ug);
if(target_fps < fps)target_fps = fps;
if(target_Uc < Uc)target_Uc = Uc;
if(target_Ug < Ug)target_Ug = Ug;
set_cpu_freq(0,FL[10]);
set_gpu_freq(GFL[0]);
start_sampling=3;
sleep(1);continue;
}else if(start_sampling == 3){
fps = get_fps(binder);
Uc = get_cpu_util(4,&Uc_bp,&Uc_tp);
Ug = get_gpu_util(&Ug_bp,&Ug_tp);
printf("Sample%d Fc=%d,Fg=%d,Uc=%d,Ug=%d\n",start_sampling,Fc,Fg,Uc,Ug);
if(target_fps < fps)target_fps = fps;
if(target_Uc < Uc)target_Uc = Uc;
if(target_Ug < Ug)target_Ug = Ug;
set_cpu_freq(0,FL[10]);
set_gpu_freq(GFL[4]);
start_sampling=4;
sleep(1);continue;
}else if(start_sampling == 4){
printf("Sample%d Fc=%d,Fg=%d\n",start_sampling,get_cpu_freq(0),get_gpu_freq());
printf("Q : %d , Ug : %d , Uc : %d\n",target_fps,target_Ug,target_Uc);
start_sampling=5;
}
fps = get_fps(binder);
int fps_dev = (target_fps - fps)*100/target_fps;
static int FL_point = freq_level-2;
static int pre_FL = FL_point;
static int GFL_point = gpu_freq_level-1;
static int pre_GFL = GFL_point;
int CPU_Sensitive = 1;
int Fc_adj = 0;
int Fg_adj = 0;
int Ug_adj = 0;
if(fps_dev > 10){
//printf("UP! %d %d %d\n",fps,target_fps,fps_dev);
Uc = get_cpu_util(4,&Uc_bp,&Uc_tp);
Ug = get_gpu_util(&Ug_bp,&Ug_tp);
int fps_dif = (target_fps - fps);
int Uc_dev = (target_Uc - Uc)*100/target_Uc;
int Ug_dev = (target_Ug - Ug)*100/target_Ug;
if(CPU_Sensitive){
//CPU Sensitive
Fc_adj = (double)fps_dif * reciprocal(Coef_Fc2Q[game]) + FL[FL_point];
Ug_adj = Ug + (double)fps_dif * reciprocal(Coef_Ug2Q[game]);
if(Ug_adj > target_Ug){
Fg_adj = (double)(Ug_adj - target_Ug) * -reciprocal(Coef_Fg2Ug[game]) + GFL[GFL_point];
}
}else{
//GPU Sensitive
Fg_adj = (double)fps_dif * reciprocal(Coef_Fg2Q[game]) + GFL[GFL_point];
Ug_adj = Ug + (double)fps_dif * reciprocal(Coef_Uc2Q[game]);
if(Ug_adj > target_Ug){
Fc_adj = (double)(Ug_adj - target_Ug) * -reciprocal(Coef_Fc2Uc[game]) + FL[FL_point];
}
}
while(FL_point < freq_level && FL[FL_point] < Fc_adj)FL_point++;
while(GFL_point < gpu_freq_level && GFL[GFL_point] < Fg_adj)GFL_point++;
if(FL_point != pre_FL){
if(FL_point > freq_level-2){
FL_point = freq_level-2;
}else if(FL_point < 2){
FL_point = 2;
}
pre_FL = FL_point;
set_cpu_freq(0,FL[FL_point]);
}
if(GFL_point != pre_GFL){
if(GFL_point > gpu_freq_level-1){
GFL_point = gpu_freq_level-1;
}else if(GFL_point < 0){
GFL_point = 0;
}
pre_GFL = GFL_point;
set_gpu_freq(GFL[GFL_point]);
}
}else if(fps_dev <= 10){
//printf("DOWN! POWER SAVE %d %d %d\n",fps,target_fps,fps_dev);
Uc = get_cpu_util(4,&Uc_bp,&Uc_tp);
Ug = get_gpu_util(&Ug_bp,&Ug_tp);
int Uc_dev = target_Uc - Uc;
int Ug_dev = target_Ug - Ug;
if(Uc_dev*100/Uc > 10)
Fc_adj = (double)(Uc_dev) * reciprocal(Coef_Fc2Uc[game]) + FL[FL_point];
if(Ug_dev*100/Ug > 10)
Fg_adj = (double)(Ug_dev) * reciprocal(Coef_Fg2Ug[game]) + GFL[GFL_point];
while(FL_point > 0 && FL[FL_point] > Fc_adj)FL_point--;
while(GFL_point > 0 && GFL[GFL_point] > Fg_adj)GFL_point--;
if(FL_point != pre_FL){
if(FL_point > freq_level-2){
FL_point = freq_level-2;
}else if(FL_point < 2){
FL_point = 2;
}
pre_FL = FL_point;
set_cpu_freq(0,FL[FL_point]);
}
if(GFL_point != pre_GFL){
if(GFL_point > gpu_freq_level-1){
GFL_point = gpu_freq_level-1;
}else if(GFL_point < 0){
GFL_point = 0;
}
pre_GFL = GFL_point;
set_gpu_freq(GFL[GFL_point]);
}
}
sleep(1);
}
return 0;
}
static long px_hotspot_d_ioctl(struct file *fp,
unsigned int cmd,
unsigned long arg)
#endif
{
int ret;
if ((ret = check_ioctl(fp, cmd, arg)) != 0)
return ret;
switch (cmd)
{
case PX_HS_CMD_START_MODULE_TRACKING:
return start_module_tracking_hs();
case PX_HS_CMD_START_SAMPLING:
return start_sampling((bool *)arg);
case PX_HS_CMD_STOP_PROFILING:
return stop_profiling();
case PX_HS_CMD_PAUSE_PROFILING:
return pause_profiling();
case PX_HS_CMD_RESUME_PROFILING:
return resume_profiling();
case PX_HS_CMD_ALLOC_SAMPLE_BUFFER:
return allocate_all_sample_buffers((unsigned int *)arg);
case PX_HS_CMD_ALLOC_MODULE_BUFFER:
return allocate_module_buffer((unsigned int *)arg);
case PX_HS_CMD_FREE_SAMPLE_BUFFER:
return free_all_sample_buffers();
case PX_HS_CMD_FREE_MODULE_BUFFER:
return free_module_buffer();
case PX_HS_CMD_SET_AUTO_LAUNCH_APP_PID:
return set_auto_launch_app_pid((pid_t *)arg);
case PX_HS_CMD_SET_WAIT_IMAGE_LOAD_NAME:
return set_wait_image_load_name((char *)arg);
case PX_HS_CMD_SET_TBS_SETTINGS:
return set_tbs_settings((struct HSTimerSettings *)arg);
case PX_HS_CMD_SET_EBS_SETTINGS:
return set_ebs_settings((struct HSEventSettings *)arg);
case PX_HS_CMD_SET_CALIBRATION_MODE:
return set_calibration_mode((bool *)arg);
case PX_HS_CMD_QUERY_REQUEST:
return query_request((struct query_request_data *)arg);
case PX_HS_CMD_GET_CALIBRATION_RESULT:
return get_calibration_result((struct calibration_result *)arg);
case PX_HS_CMD_GET_CPU_ID:
return get_cpu_id((unsigned long *)arg);
case PX_HS_CMD_GET_TARGET_RAW_DATA_LENGTH:
return get_target_raw_data_length((unsigned long *)arg);
case PX_HS_CMD_GET_TARGET_INFO:
return get_target_info((unsigned long *)arg);
case PX_HS_CMD_GET_CPU_FREQ:
return get_cpu_freq((unsigned int *)arg);
case PX_HS_CMD_GET_TIMESTAMP_FREQ:
return get_timestamp_frequency((unsigned long *)arg);
case PX_HS_CMD_GET_TIMESTAMP:
return get_time_stamp((unsigned long long *)arg);
case PX_HS_CMD_ADD_MODULE_RECORD:
return add_module_record_hs((struct add_module_data *)arg);
case PX_HS_CMD_READ_SAMPLE_BUFFER:
return read_sample_buffer((struct read_buffer_data *)arg);
case PX_HS_CMD_READ_MODULE_BUFFER:
return read_module_buffer((struct read_buffer_data *)arg);
case PX_HS_CMD_READ_TOTAL_SAMPLE_COUNT:
return read_total_sample_count((unsigned long long *)arg);
case PX_HS_CMD_GET_POSSIBLE_CPU_NUM:
return get_possible_cpu_number((unsigned int *)arg);
case PX_HS_CMD_GET_ONLINE_CPU_NUM:
return get_online_cpu_number((unsigned int *)arg);
default:
return -EINVAL;
}
}
int
main(int argc, char **argv)
{
int i, fd=-1;
pthread_t tid[32];
uint64_t start, end, usec;
#ifdef PVM
struct nvmap_arg_struct a;
/*PVM needs a chunk and procid*/
int chunk_id = 120;
int proc_id = 20;
unsigned long offset = 0;
#endif
for (i = 0; i < ncores; i++) {
flag[i] = 0;
}
if (argc > 1) {
nbufs = atoi(argv[1]);
}
#ifdef USEFILE
create_file(filename, (1 + nbufs) * PAGESIZE);
/*easy to change the flags if we are testing
page read performance*/
fd = open(filename, O_RDWR);
#endif
#ifdef PVM
a.fd = fd;
a.offset = offset;
a.chunk_id =chunk_id;
a.proc_id = proc_id;
/*FIXME: What is pflags and persist?*/
a.pflags = 1;
a.nopersist=DISABLE_PERSIST;
//pvm's nvmmap function
shared_area = (char *) syscall(__NR_nv_mmap_pgoff, 0,(1 + nbufs) * PAGESIZE, PROT_READ | PROT_WRITE,MAP_FLAGS, &a);
//shared_area = mmap(0, (1 + nbufs) * PAGESIZE, PROT_READ | PROT_WRITE, MAP_FLAGS, fd, 0);
#else
shared_area = mmap(0, (1 + nbufs) * PAGESIZE, PROT_READ | PROT_WRITE, MAP_FLAGS, fd, 0);
#endif
if (shared_area == MAP_FAILED) {
perror("Error mmapping the file");
exit(EXIT_FAILURE);
}
start = read_tsc();
for (i = 0; i < ncores; i++) {
pthread_create(&tid[i], NULL, worker, (void *) (long) i);
}
for (i = 0; i < ncores; i++) {
pthread_join(tid[i], NULL);
}
end = read_tsc();
usec = (end - start) * 1000000 / get_cpu_freq();
printf("usec: %ld\t\n", usec);
close(fd);
return 0;
}
