static int read_sample_buffer(struct read_buffer_data * data)
{
unsigned int cpu;
unsigned int buffer_addr;
unsigned int buffer_size;
unsigned int size_read;
bool when_stop;
bool only_full;
struct RingBufferInfo * sample_buffer;
struct read_buffer_data rsbd;
if (copy_from_user(&rsbd, data, sizeof(struct read_buffer_data)))
{
return -EFAULT;
}
if (rsbd.cpu >= num_possible_cpus())
{
return -EINVAL;
}
rsbd.size_read = 0;
cpu = rsbd.cpu;
buffer_addr = rsbd.buffer_addr;
buffer_size = rsbd.buffer_size;
when_stop = rsbd.when_stop;
only_full = rsbd.only_full;
sample_buffer = &per_cpu(g_sample_buffer_hs, cpu);
if (!only_full || sample_buffer->is_full_event_set)
{
char * buffer = vmalloc(sample_buffer->buffer.size);
if (buffer != NULL)
{
size_read = read_ring_buffer(&sample_buffer->buffer, buffer);
if (copy_to_user((void *)rsbd.buffer_addr, buffer, size_read) == 0)
rsbd.size_read = size_read;
else
rsbd.size_read = 0;
/* reset the sample buffer full */
sample_buffer->is_full_event_set = false;
vfree(buffer);
}
}
if (copy_to_user(data, &rsbd, sizeof(struct read_buffer_data)))
{
return -EFAULT;
}
/* if it is not the sample buffer flush when stopping, we need to resume profiling */
if (!when_stop)
{
resume_profiling();
}
return 0;
}
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;
}
}
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;
}
}
