MESA_fs2分离自MESA_fieldstat库，提供了更多功能，与MESA_fieldstat不兼容。

7 files changed, 804 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3e978b5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+SI/
+*.log
+*.o
+*.so
+bin/avrule/
+bin/avlog/
diff --git a/bin/.gitignore b/bin/.gitignore
new file mode 100644
index 0000000..3e978b5
--- /dev/null
+++ b/bin/.gitignore
@@ -0,0 +1,6 @@
+SI/
+*.log
+*.o
+*.so
+bin/avrule/
+bin/avlog/
diff --git a/src/MESA_field_stat.c b/src/MESA_field_stat.c
new file mode 100644
index 0000000..a85d739
--- /dev/null
+++ b/src/MESA_field_stat.c
@@ -0,0 +1,673 @@
+#include "field_stat.h"
+#include <stdio.h>
+#include <time.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <assert.h>
+#include <sys/time.h>
+
+#define	MAX_STAT_FIELD_NUM	64
+#define	MAX_STAT_COLUMN_NUM	32
+
+#define	STATUS_PER_LINE	6
+#define	FIELD_PER_LINE		8
+int FIELD_STAT_VERSION_2_20160211=0;
+#ifndef atomic_read
+#define atomic_read(x) __sync_add_and_fetch((x),0)
+#endif
+
+#ifndef atomic_add 
+#define atomic_add(x,y) __sync_add_and_fetch((x),(y))
+#endif
+
+#ifndef atomic_set
+#define atomic_set(x,y) __sync_lock_test_and_set((x),y)
+#endif 
+const char* draw_line="________________________________________________________________________________________________________________________________________________";
+const char* draw_boundary="============================================================";
+struct stat_field_t
+{
+	char	*filed_name;
+	long long current_value;
+	long long last_output_value;
+};
+
+struct display_manifest_t
+{
+	char* name;
+	int is_invisible;
+	int idx;
+	int is_ratio;
+	int numerator_id;
+	int denominator_id;
+	int output_scaling;	//negative value: zoom in; positive value: zoom out;
+	enum field_dsp_style_t style;
+	enum field_calc_algo calc_type;
+};
+struct stat_unit_t
+{
+	long long current_value;
+	long long last_output_value;
+	long long last_diff;
+};
+
+struct FS_space_t
+{
+	int stat_cycle;
+	int screen_print_trigger;
+	int print_mode;	//1:Rewrite ,2: Append
+	int create_thread;
+	
+	int line_cnt;
+	int display_cnt;
+	int single_cnt;//including line_cnt;
+	int matrix_base;
+	int column_cnt;
+	int cloumn_id[MAX_STAT_COLUMN_NUM];
+	struct display_manifest_t display[MAX_STAT_FIELD_NUM];
+
+	struct stat_unit_t* stat_array;//for styple STATUS/FIELD
+	char* output_file;
+	FILE* fp;
+	struct timespec last_display_time;
+};
+
+void *thread_screen_print(void *arg);
+
+screen_stat_handle_t FS_create_handle(void)
+{
+	struct FS_space_t* handle=(struct FS_space_t*)calloc(sizeof(struct FS_space_t),1);
+	handle->screen_print_trigger=1;
+	handle->print_mode=1;
+	handle->stat_cycle=2;
+	handle->create_thread=1;
+	
+	return handle;
+}
+int FS_set_para(screen_stat_handle_t handle, enum FS_option  type,const void* value,int size)
+{
+	struct FS_space_t* _handle=(struct FS_space_t*)handle;
+	FILE* fp=NULL;
+	int int_val=0;
+	if(type!=OUTPUT_DEVICE)
+	{
+		int_val=*(const int*)value;
+	}
+	switch(type)
+	{
+		case	OUTPUT_DEVICE:
+			fp=fopen((const char*)value,"w");
+			if(fp==NULL)
+			{
+				printf("Field Stat: open %s failed.\n",(const char*)value);
+				return -1;
+			}
+			_handle->fp=fp;
+			_handle->output_file=(char*)calloc(sizeof(char),size);
+			memcpy(_handle->output_file,value,size);
+			fp=NULL;
+			break;
+		case	PRINT_MODE:
+			if(size!=4||(int_val!=1&&int_val!=2))
+			{
+				return -1;
+			}
+			_handle->print_mode=int_val;
+			break;
+		case	STAT_CYCLE:
+			if(size!=4||(int_val==0))
+			{
+				return -1;
+			}
+			_handle->stat_cycle=int_val;
+			break;
+		case	PRINT_TRIGGER:
+			if(size!=4||(int_val!=0&&int_val!=1))
+			{
+				return -1;
+			}
+			_handle->screen_print_trigger=int_val;
+			break;
+		case 	CREATE_THREAD:
+			if(size!=4||(int_val!=0&&int_val!=1))
+			{
+				return -1;
+			}
+			_handle->create_thread=int_val;
+			break;
+		case	ID_INVISBLE:
+			if(int_val<0||int_val>=_handle->display_cnt)
+			{
+				return -1;
+			}
+			_handle->display[int_val].is_invisible=1;
+			break;
+		default:
+			return -1;
+	}
+	return 0;
+}
+void FS_start(screen_stat_handle_t handle)
+{
+	struct FS_space_t* _handle=(struct FS_space_t*)handle;
+	pthread_t cfg_mon_t;
+	int i=0,j=0,pos=0;
+	int stat_unit_cnt=0;
+	stat_unit_cnt=_handle->single_cnt+_handle->line_cnt*_handle->column_cnt;
+	for(i=0;i<_handle->display_cnt;i++)
+	{
+		switch(_handle->display[i].style)
+		{
+			case	FS_STYLE_FIELD:
+			case	FS_STYLE_STATUS:
+				_handle->display[i].idx=pos;
+				pos++;
+				break;
+			case	FS_STYLE_COLUMN:
+				_handle->display[i].idx=j;
+				_handle->cloumn_id[j]=i;
+				j++;
+				break;
+			case	FS_STYLE_LINE:
+				_handle->display[i].idx=pos;
+				pos+=_handle->column_cnt;
+				break;
+			default:
+				assert(0);
+				break;
+		}		
+	}
+	assert(j==_handle->column_cnt);
+	_handle->stat_array=(struct stat_unit_t*)calloc(sizeof(struct stat_unit_t),stat_unit_cnt);
+	clock_gettime(CLOCK_MONOTONIC,&(_handle->last_display_time));
+	if(_handle->create_thread==1)
+	{
+		pthread_create(&cfg_mon_t, NULL, thread_screen_print, (void*)handle);
+	}
+	return;
+}
+void FS_stop(screen_stat_handle_t* handle)
+{
+	int i=0;
+	struct FS_space_t* _handle=*(struct FS_space_t**)handle;
+	_handle->create_thread=0;
+	for(i=0;i<_handle->display_cnt;i++)
+	{
+		free(_handle->display[i].name);
+		_handle->display[i].name=NULL;
+	}
+	free(_handle->stat_array);
+	_handle->stat_array=NULL;
+	free(_handle->output_file);
+	_handle->output_file=NULL;
+	free(_handle);
+	if(strlen(_handle->output_file)>0)
+	{
+		fclose(_handle->fp);
+		_handle->fp=NULL;
+	}
+	*handle=NULL;
+	return;
+}
+int FS_register(screen_stat_handle_t handle,enum field_dsp_style_t style,enum field_calc_algo calc_type,const char* name)
+{
+	struct FS_space_t* _handle=(struct FS_space_t*)handle;
+	struct display_manifest_t * choosen=NULL;
+	int id=0;
+	switch(style)
+	{
+		case	FS_STYLE_FIELD:
+		case	FS_STYLE_STATUS:
+			_handle->single_cnt++;
+			break;
+		case	FS_STYLE_LINE:
+			_handle->line_cnt++;
+			break;
+		case	FS_STYLE_COLUMN:
+			_handle->column_cnt++;
+			break;
+		default:
+			return -1;
+	}
+	id=_handle->display_cnt;
+	_handle->display_cnt++;
+	choosen=&(_handle->display[id]);
+	choosen->calc_type=calc_type;
+	choosen->style=style;
+	choosen->is_ratio=0;
+	choosen->output_scaling=1;
+	choosen->name=(char*)calloc(sizeof(char),strlen(name)+1);
+	memcpy(choosen->name,name,strlen(name));
+	return id;
+}
+int FS_register_ratio(screen_stat_handle_t handle,int numerator_id,int denominator_id,int scaling,enum field_dsp_style_t style,enum field_calc_algo calc_type,const char* name)
+{
+	struct FS_space_t* _handle=(struct FS_space_t*)handle;
+	struct display_manifest_t * choosen=NULL;
+	int id=0;
+	if(numerator_id>=_handle->display_cnt||denominator_id>=_handle->display_cnt)
+	{
+		return -1;
+	}
+	if(_handle->display[denominator_id].is_ratio==1||_handle->display[numerator_id].is_ratio==1)
+	{
+		return -1;
+	}
+	if(_handle->display[denominator_id].style==FS_STYLE_LINE||_handle->display[numerator_id].style==FS_STYLE_LINE)
+	{
+		return -1;
+	}
+	if(style==FS_STYLE_LINE)
+	{
+		return -1;
+	}
+	if(scaling==0)
+	{
+		return -1;
+	}
+	if(style==FS_STYLE_COLUMN)
+	{
+		_handle->column_cnt++;
+	}
+
+	id=_handle->display_cnt;
+	_handle->display_cnt++;
+	choosen=&(_handle->display[id]);
+	choosen->calc_type=calc_type;
+	choosen->style=style;
+	choosen->is_ratio=1;
+	choosen->output_scaling=scaling;
+	choosen->denominator_id=denominator_id;
+	choosen->numerator_id=numerator_id;
+	choosen->name=(char*)calloc(sizeof(char),strlen(name)+1);
+	memcpy(choosen->name,name,strlen(name));
+	return id;
+}
+int FS_operate(screen_stat_handle_t handle,int id,int column_id,enum field_op op,long long value)
+{
+	struct FS_space_t* _handle=(struct FS_space_t*)handle;
+	int i=0,j=0;
+	struct stat_unit_t* target;
+	if(id>=_handle->display_cnt)
+	{
+		return -1;
+	}
+	if(_handle->display[id].style==FS_STYLE_LINE)
+	{
+		if(column_id>=_handle->display_cnt||column_id>=_handle->display_cnt||_handle->display[column_id].style!=FS_STYLE_COLUMN)
+		{
+			return -1;
+		}
+		i=_handle->display[id].idx;
+		j=_handle->display[column_id].idx;
+		target=&(_handle->stat_array[i+j]);
+	}
+	else
+	{
+		i=_handle->display[id].idx;
+		target=&(_handle->stat_array[i]);
+	}
+	switch(op)
+	{
+		case	FS_OP_ADD:
+			atomic_add(&(target->current_value),value);
+			break;
+		case	FS_OP_SET:
+			atomic_set(&(target->current_value),value);
+			break;	
+		default:
+			return -1;
+			break;
+	}
+	return 0;
+}
+static long long get_stat_unit_val(struct FS_space_t* _handle,int id,int column_id,enum field_calc_algo calc_type,int is_refer)
+{
+	display_manifest_t* p=NULL;
+	stat_unit_t* target=NULL;
+	p=&(_handle->display[id]);
+	long long value=0;
+	switch(p->style)
+	{
+		case	FS_STYLE_FIELD:
+		case	FS_STYLE_STATUS:
+			target=&(_handle->stat_array[p->idx]);
+			break;
+		case	FS_STYLE_LINE:
+			target=&(_handle->stat_array[p->idx+_handle->display[column_id].idx]);
+			break;
+		case	FS_STYLE_COLUMN:
+		default:
+			assert(0);
+			break;
+	}
+	value= atomic_read(&(target->current_value));
+	if(is_refer==0)
+	{
+		target->last_diff=value-target->last_output_value;
+		target->last_output_value=value;
+	}
+	switch(calc_type)
+	{
+		case	FS_CALC_CURRENT:
+			break;
+		case	FS_CALC_SPEED:
+			value=target->last_diff;
+			break;
+		default:
+			assert(0);
+	}
+
+	return value;
+}
+static double get_stat_ratio(struct FS_space_t* _handle,int numerator_id,int denominator_id,int scaling,int line_id,enum field_calc_algo calc_type)
+{
+	long long value_n=0,value_d=0;
+	double ratio=0.0;
+
+	if(_handle->display[numerator_id].style==FS_STYLE_COLUMN)
+	{
+		assert(_handle->display[denominator_id].style==FS_STYLE_COLUMN);
+		value_n=get_stat_unit_val(_handle,line_id,numerator_id,calc_type,1);
+		value_d=get_stat_unit_val(_handle,line_id,denominator_id,calc_type,1);
+	}
+	else
+	{
+		value_n=get_stat_unit_val(_handle,numerator_id,0,calc_type,1);
+		value_d=get_stat_unit_val(_handle,denominator_id,0,calc_type,1);
+	}
+	if(value_d==0)
+	{
+		ratio=0.0;
+	}
+	else
+	{
+		if(scaling>0)
+		{
+			ratio=((double)value_n*scaling/value_d);
+		}
+		else
+		{
+			ratio=((double)value_n/(value_d*scaling*-1));
+		}
+	}
+	return ratio;
+}
+static int output_style_status(struct FS_space_t* _handle,long long interval_ms,char*print_buf, unsigned int size)
+{
+	int i=0,j=0;
+	display_manifest_t* p=NULL;
+	long long value=0;
+	double ratio=0.0;
+	char* pos=print_buf;
+
+	for(i=0;i<_handle->display_cnt;i++)
+	{
+		p=&(_handle->display[i]);
+		if(p->style!=FS_STYLE_STATUS)
+		{
+			continue;
+		}
+		if(p->is_invisible==1)
+		{
+			value=get_stat_unit_val(_handle,i, 0, p->calc_type, 0);
+			continue;
+		}
+		if(p->is_ratio==1)
+		{
+			ratio=get_stat_ratio(_handle,p->numerator_id,p->denominator_id,p->output_scaling, 0,p->calc_type);
+			pos+=snprintf(pos,size-(pos-print_buf),"%s: %10.2e\t",p->name,ratio);
+		}
+		else
+		{
+			value=get_stat_unit_val(_handle,i, 0, p->calc_type, 0);
+			if(p->calc_type==FS_CALC_SPEED)
+			{
+				value=value*p->output_scaling*1000/interval_ms;
+			}
+			pos+=snprintf(pos,size-(pos-print_buf),"%s: %lld\t",p->name,value);
+		}
+		j++;
+		if(j==STATUS_PER_LINE)
+		{
+			pos+=snprintf(pos,sizeof(print_buf)-(pos-print_buf),"\n");
+			j=0;
+		}
+	}
+	if(pos-print_buf>0)
+	{
+		if(*(pos-1)=='\n')
+		{
+			pos--;
+		}
+		pos+=snprintf(pos,sizeof(print_buf)-(pos-print_buf),"\n%s\n",draw_line);
+	}
+	return pos-print_buf;
+}
+static int output_style_field(struct FS_space_t* _handle,long long interval_ms,char*print_buf, unsigned int size)
+{
+	int i=0,j=0;
+	display_manifest_t* p=NULL;
+	long long value=0;
+	double ratio=0.0;
+	char* pos=print_buf;
+	int field_id[MAX_STAT_FIELD_NUM]={0};
+	int field_cnt=0;
+	
+	for(i=0;i<_handle->display_cnt;i++)
+	{
+		p=&(_handle->display[i]);
+		if(p->style!=FS_STYLE_FIELD)
+		{
+			continue;
+		}
+		if(p->is_invisible==1)
+		{
+			//for update last_output
+			get_stat_unit_val( _handle, field_id[i+j], 0,FS_CALC_CURRENT, 0);
+			continue;
+		}
+		field_id[field_cnt]=i;
+		field_cnt++;
+	}
+	for(i=0;i<field_cnt;i++)
+	{
+		pos+=snprintf(pos,size-(pos-print_buf),"\t");
+		for(j=0;j<FIELD_PER_LINE&&i+j<field_cnt;j++)
+		{
+			p=&(_handle->display[field_id[i+j]]);
+			pos+=snprintf(pos,size-(pos-print_buf),"%10s\t",p->name);
+		}
+		pos+=snprintf(pos,size-(pos-print_buf),"\nsum\t");
+		for(j=0;j<FIELD_PER_LINE&&i+j<field_cnt;j++)
+		{
+			p=&(_handle->display[field_id[i+j]]);
+			if(p->is_ratio==1)
+			{
+				ratio=get_stat_ratio(_handle,p->numerator_id,p->denominator_id,p->output_scaling, 0,FS_CALC_CURRENT);
+				pos+=snprintf(pos,size-(pos-print_buf),"%f\t",ratio);
+			}
+			else
+			{
+				value=get_stat_unit_val( _handle, field_id[i+j], 0,FS_CALC_CURRENT, 0);
+				pos+=snprintf(pos,sizeof(print_buf)-(pos-print_buf),"%10lld\t",value);
+			}
+		}
+		pos+=snprintf(pos,sizeof(print_buf)-(pos-print_buf),"\nspeed/s\t");
+		for(j=0;j<FIELD_PER_LINE&&i+j<field_cnt;j++)
+		{
+			if(p->is_ratio==1)
+			{
+				ratio=get_stat_ratio(_handle,p->numerator_id,p->denominator_id,p->output_scaling, 0,FS_CALC_SPEED);
+				pos+=snprintf(pos,size-(pos-print_buf),"%10.2e\t",ratio);
+			}
+			else
+			{
+				value=get_stat_unit_val( _handle, field_id[i+j], 0,FS_CALC_SPEED, 1);
+				pos+=snprintf(pos,size-(pos-print_buf),"%10lld\t",value*1000/interval_ms);
+			}
+		}
+		i+=j;
+		pos+=snprintf(pos,sizeof(print_buf)-(pos-print_buf),"\n");
+	}
+	if(pos-print_buf>0)
+	{
+		if(*(pos-1)=='\n')
+		{
+			pos--;
+		}
+		pos+=snprintf(pos,sizeof(print_buf)-(pos-print_buf),"\n%s\n",draw_line);
+	}
+	return pos-print_buf;
+}
+static int output_style_table(struct FS_space_t* _handle,long long interval_ms,char*print_buf, unsigned int size)
+{
+	int i=0,j=0;
+	char* pos=print_buf;
+	display_manifest_t* p_column=NULL,*p_line=NULL;
+	double ratio=0.0,speed=0.0;
+	long long value=0;
+	for(i=0;i<_handle->column_cnt;i++)
+	{
+		if(i==0)
+		{
+			pos+=snprintf(pos,size-(pos-print_buf),"\t\t");
+		}
+		p_column=&(_handle->display[_handle->cloumn_id[i]]);
+		if(p_column->is_invisible==1)
+		{
+			continue;
+		}
+		pos+=snprintf(pos,size-(pos-print_buf),"\t%10s",p_column->name);
+	}
+	pos+=snprintf(pos,sizeof(print_buf)-(pos-print_buf),"\n");
+	for(i=0;i<_handle->display_cnt;i++)
+	{
+		p_line=&(_handle->display[i]);
+		if(p_line->style!=FS_STYLE_LINE)
+		{
+			continue;
+		}
+		pos+=snprintf(pos,size-(pos-print_buf),"%-20s\t",p_line->name);
+		for(j=0;j<_handle->column_cnt;j++)
+		{
+			p_column=&(_handle->display[_handle->cloumn_id[j]]);
+			if(p_column->is_invisible==1)
+			{
+				//for flush last_output_value
+				get_stat_unit_val( _handle, i, _handle->cloumn_id[j],p_column->calc_type, 0);
+				continue;
+			}
+			if(p_column->is_ratio==1)
+			{
+				ratio=get_stat_ratio(_handle,p_column->numerator_id,p_column->denominator_id,p_column->output_scaling, i,p_column->calc_type);
+				pos+=snprintf(pos,size-(pos-print_buf),"%10.2e\t",ratio);
+			}
+			else
+			{
+				value=get_stat_unit_val(_handle,i, _handle->cloumn_id[j], p_column->calc_type, 0);
+				if(p_column->calc_type==FS_CALC_SPEED)
+				{
+					speed=(double)value*1000/interval_ms;
+					pos+=snprintf(pos,size-(pos-print_buf),"%10.2e\t",speed);
+
+				}
+				else
+				{
+					pos+=snprintf(pos,size-(pos-print_buf),"%10lld\t",value);
+				}
+			}
+		}
+		pos+=snprintf(pos,sizeof(print_buf)-(pos-print_buf),"\n");
+
+	}
+	if(pos-print_buf>0)
+	{
+		if(*(pos-1)=='\n')
+		{
+			pos--;
+		}
+		pos+=snprintf(pos,sizeof(print_buf)-(pos-print_buf),"\n");
+	}
+	return pos-print_buf;
+}
+void FS_passive_output(screen_stat_handle_t handle)
+{
+	struct FS_space_t* _handle=(struct FS_space_t*)handle;
+	struct timespec now;
+	time_t current=0;
+	char print_buf[1024*64]={0};
+	char*pos=NULL;
+	time(&current);
+	if(_handle->screen_print_trigger==0)
+	{
+		return;
+	}
+	clock_gettime(CLOCK_MONOTONIC,&now);
+	long long interval_ms=(now.tv_sec-_handle->last_display_time.tv_sec)*1000+(now.tv_nsec-_handle->last_display_time.tv_nsec)/1000000;
+	if(interval_ms<1)
+	{
+		return;
+	}
+	pos=print_buf;
+	pos+=snprintf(pos,sizeof(print_buf)-(pos-print_buf),"%s%s",draw_boundary,ctime(&current));
+	pos--;//jump '\n' generate by ctime()
+	pos+=snprintf(pos,sizeof(print_buf)-(pos-print_buf),"%s\n",draw_boundary);
+
+	pos+=output_style_status(_handle, interval_ms,pos, sizeof(print_buf)-(pos-print_buf));
+	pos+=output_style_field(_handle, interval_ms,pos, sizeof(print_buf)-(pos-print_buf));
+	pos+=output_style_table(_handle, interval_ms,pos, sizeof(print_buf)-(pos-print_buf));
+
+	if(_handle->fp==NULL)
+	{
+		printf("Field Stat: open %s failed.\n",_handle->output_file);
+		return;
+	}
+	if(_handle->print_mode==1)
+	{
+		fseek(_handle->fp,0,SEEK_SET);
+	}
+	fwrite(print_buf,pos-print_buf,1,_handle->fp);
+	fflush(_handle->fp);
+	memcpy(&(_handle->last_display_time),&now,sizeof(now));
+}
+void *thread_screen_print(void *arg)
+{
+	struct FS_space_t* handle=(struct FS_space_t*)arg;
+	while(handle->create_thread)
+	{
+		FS_passive_output(handle);
+		sleep(handle->stat_cycle);
+	}
+	return NULL;
+}
+
+screen_stat_handle_t init_screen_stat(FILE* output_fp,int stat_cycle,int screen_print_trigger)
+{
+	struct FS_space_t* handle=(struct FS_space_t* )FS_create_handle();
+	handle->fp=output_fp;
+	FS_set_para(handle, STAT_CYCLE,&stat_cycle, (int)sizeof(stat_cycle));
+	FS_set_para(handle, PRINT_TRIGGER,&screen_print_trigger, (int)sizeof(screen_print_trigger));
+	FS_set_para(handle, CREATE_THREAD,&screen_print_trigger, (int)sizeof(screen_print_trigger));
+
+	FS_start(handle);
+	return handle;
+}
+
+int stat_field_register(screen_stat_handle_t handle,const char* field_name)
+{
+	int ret=0;
+	ret=FS_register(handle,FS_STYLE_FIELD,FS_CALC_SPEED, field_name);
+	return ret;
+}
+
+int stat_field_operation(screen_stat_handle_t handle,int field_id,int operation,long long value)
+{
+	int ret=0;
+	ret=FS_operate( handle, field_id, 0,(enum field_op)operation, value);
+	return ret;
+}
+
+
diff --git a/src/Makefile b/src/Makefile
new file mode 100644
index 0000000..f249648
--- /dev/null
+++ b/src/Makefile
@@ -0,0 +1,24 @@
+CC		= g++
+CFLAGS		= -Wall
+CFLAGS		+= -g -fPIC
+SOURCES		= MESA_field_stat.c
+OBJS		= $(SOURCES:.c=.o)
+TARGETSLIB	= libMESA_field_stat.a
+TARGETSO	= libMESA_field_stat.so
+
+.PHONY: all clean deps
+
+all: $(TARGETSLIB) $(TARGETSO)
+
+deps:
+	@$(CC) -MM $(SOURCES) $(CFLAGS)
+
+$(TARGETSLIB): MESA_field_stat.o
+	ar -r $@ $^
+$(TARGETSO): MESA_field_stat.o
+	$(CC) -o $(TARGETSO) $(CFLAGS) $^ -shared -lrt
+
+MESA_prof_load.o: MESA_field_stat.c field_stat.h
+
+clean:
+	rm -f $(TARGETSLIB) $(TARGETSO) *.o core core.*
diff --git a/src/Makefile.bak b/src/Makefile.bak
new file mode 100644
index 0000000..6574488
--- /dev/null
+++ b/src/Makefile.bak
@@ -0,0 +1,24 @@
+CC		= gcc
+CFLAGS		= -Wall -Wstrict-prototypes
+CFLAGS		+= -g -fPIC
+SOURCES		= MESA_field_stat.c
+OBJS		= $(SOURCES:.c=.o)
+TARGETSLIB	= libMESA_field_stat.a
+TARGETSO	= libMESA_field_stat.so
+
+.PHONY: all clean deps
+
+all: $(TARGETSLIB) $(TARGETSO)
+
+deps:
+	@$(CC) -MM $(SOURCES) $(CFLAGS)
+
+$(TARGETSLIB): MESA_field_stat.o
+	ar -r $@ $^
+$(TARGETSO): MESA_field_stat.o
+	$(CC) -o $(TARGETSO) $(CFLAGS) $^ -shared 
+
+MESA_prof_load.o: MESA_field_stat.c MESA_field_stat.h
+
+clean:
+	rm -f $(TARGETSLIB) $(TARGETSO) *.o core core.*
diff --git a/src/field_stat2.h b/src/field_stat2.h
new file mode 100644
index 0000000..6bdf657
--- /dev/null
+++ b/src/field_stat2.h
@@ -0,0 +1,71 @@
+#ifndef H_SCREEN_STAT_H_INCLUDE
+#define H_SCREEN_STAT_H_INCLUDE
+#include <stdio.h>
+
+#ifndef __cplusplus
+#error("This file should be compiled with C++ compiler")
+#endif
+
+enum field_dsp_style_t
+{
+	FS_STYLE_FIELD=0,
+	FS_STYLE_COLUMN,
+	FS_STYLE_LINE,
+	FS_STYLE_STATUS
+};
+enum field_calc_algo
+{
+	FS_CALC_CURRENT=0,
+	FS_CALC_SPEED
+};
+enum field_op
+{
+	FS_OP_ADD=1,
+	FS_OP_SET
+};
+
+
+typedef	void* screen_stat_handle_t;
+
+enum FS_option
+{
+	OUTPUT_DEVICE,	//VALUE is a const char*, indicate a  file path string, SIZE = strlen(string+'\0')+1.DEFAULT:output to stdout.
+	PRINT_MODE,	//VALUE is an interger,1:Rewrite ,2: Append. SIZE=4,DEFALUT:REWRITE.
+	STAT_CYCLE,	//VALUE is an interger idicate interval seconds of every output, SIZE=4 ,DEFUALT:2 seconds.
+	PRINT_TRIGGER,	//VALUE is an interger,1:Do print,0: Don't print.SIZE=4.DEFAULT:1.
+	CREATE_THREAD,//VALUE is an interger,1: Create a print thread,0:not create,output by call passive_output function,
+					//and the STAT_CYCLE is meaningless.SIZE=4,DEFAULT:0.
+	ID_INVISBLE,//value is field_id/status_id/column_id, not output this string, SIZE=4,DEFAULT: shutdown NO one.
+};
+
+//Always success.
+screen_stat_handle_t FS_create_handle(void);
+
+int FS_set_para(screen_stat_handle_t handle, enum FS_option  type,const void* value,int size);
+void FS_start(screen_stat_handle_t handle);
+void FS_stop(screen_stat_handle_t* handle);
+
+//return field_id/line_id/column_id greater than zero if success,return an interger less than zero if failed.
+int FS_register(screen_stat_handle_t handle,enum field_dsp_style_t style,enum field_calc_algo calc_type,const char* name);
+
+//numerator_id and denominator_id must be column/field/status style.
+//scaling: negative value: zoom in; positive value: zoom out;
+int FS_register_ratio(screen_stat_handle_t handle,int numerator_id,int denominator_id,int scaling,enum field_dsp_style_t style,enum field_calc_algo calc_type,const char* name);
+
+//id: when id's type is FIELD , column_id is ignore.
+int FS_operate(screen_stat_handle_t handle,int id,int column_id,enum field_op op,long long value);
+
+void FS_passive_output(screen_stat_handle_t handle);
+
+screen_stat_handle_t init_screen_stat(FILE* output_fp,int stat_cycle,int screen_print_trigger);
+
+//return field_id >=0 when success, return -1 when failed.
+int stat_field_register(screen_stat_handle_t handle,const char* field_name);
+
+//return >=0 when success, return -1 when failed.
+#define	FS_OP_TYPE_ADD	(FS_OP_ADD)
+#define	FS_OP_TYPE_SET	(FS_OP_SET)
+int stat_field_operation(screen_stat_handle_t handle,int field_id,int operation,long long value);
+
+#endif
+
diff --git a/src/libMESA_field_stat.a b/src/libMESA_field_stat.a
new file mode 100644
index 0000000..c2a16e9
--- /dev/null
+++ b/src/libMESA_field_stat.a