diff --git a/ref.c b/ref.c
deleted file mode 100644
index 552c8dc..0000000
--- a/ref.c
+++ /dev/null
@@ -1,924 +0,0 @@
-#include <stdio.h>  //标准I/O库
-#include <stdlib.h> //实用程序库函数
-#include <string.h> //字符串操作
-#include <signal.h> // 信号
-#include <curses.h>
-#include <limits.h> //实现常量
-#include <termcap.h>
-#include <termios.h>
-#include <time.h>   //时间和日期
-#include <errno.h>  //出错码
-#include <assert.h> //验证程序断言
-
-#include <dirent.h> //目录项
-#include <fcntl.h>  //文件控制
-#include <pwd.h>    //口令文件
-#include <unistd.h> //符号常量
-
-#include <minix/com.h>
-#include <minix/config.h>
-#include <minix/type.h>
-#include <minix/endpoint.h>
-#include <minix/const.h>
-#include <minix/u64.h>
-#include <paths.h>
-#include <minix/procfs.h>
-
-#include <sys/stat.h>  //文件状态
-#include <sys/types.h> //基本系统数据类型
-#include <sys/wait.h>  //进程控制
-#include <sys/times.h> //进程时间
-#include <sys/time.h>
-#include <sys/select.h> //select函数
-
-//一般的命令0
-//输出重定向1
-//输入重定向2
-//命令中有管道3
-//#define SELF	((endpoint_t) 0x8ace) 	/* used to indicate 'own process' */
-//#define _MAX_MAGIC_PROC (SELF)	/* used by <minix/endpoint.h> */
-//#define MAX_NR_TASKS	1023
-//#define _ENDPOINT_GENERATION_SIZE (MAX_NR_TASKS+_MAX_MAGIC_PROC+1)
-//#define _ENDPOINT_P(e)
-//((((e)+1023) % (1023+((endpoint_t) 0x8ace)+1)) - 1023)
-//#define  SLOT_NR(e) (_ENDPOINT_P(e) + nr_tasks)
-
-#define _PATH_PROC "/proc/"
-#define PSINFO_VERSION 0
-#define TYPE_TASK 'T'
-#define TYPE_SYSTEM 'S'
-#define TYPE_USER 'U'
-#define STATE_RUN 'R'
-#define TIMECYCLEKEY 't'
-#define ORDERKEY 'o'
-
-#define USED 0x1
-#define IS_TASK 0x2
-#define IS_SYSTEM 0x4
-#define BLOCKED 0x8
-
-#define ORDER_CPU 0
-#define ORDER_MEMORY 1
-#define ORDER_HIGHEST ORDER_MEMORY
-
-#define TC_BUFFER 1024 /* Size of termcap(3) buffer    */
-#define TC_STRINGS 200 /* Enough room for cm,cl,so,se  */
-
-/* name of cpu cycle types, in the order they appear in /psinfo. */
-const char *cputimenames[] = {"user", "ipc", "kernelcall"};
-#define CPUTIMENAMES (sizeof(cputimenames) / sizeof(cputimenames[0]))
-
-#define CPUTIME(m, i) (m & (1L << (i)))
-
-struct proc
-{
-    int p_flags;                     //
-    endpoint_t p_endpoint;           //端点
-    pid_t p_pid;                     //进程号
-    u64_t p_cpucycles[CPUTIMENAMES]; //cpu周期
-    int p_priority;                  //动态优先级
-    endpoint_t p_blocked;            //阻塞状态
-    time_t p_user_time;              //用户时间
-    vir_bytes p_memory;              //内存
-    uid_t p_effuid;                  //有效用户ID
-    int p_nice;                      //静态优先级
-    char p_name[PROC_NAME_LEN + 1];  //名字
-};
-
-struct proc *proc = NULL, *prev_proc = NULL;
-
-struct tp
-{
-    struct proc *p;
-    u64_t ticks;
-};
-
-void getOrder(char *);                                                     //得到输入的命令
-void anaOrder(char *, int *, char (*)[256]);                               //对输入的命令进行解析
-void exeCommand(int, char (*)[256]);                                       //执行命令
-int checkCommand(char *command);                                           //查找命令中的可执行程序
-void getkinfo();                                                           //读取/proc/kinfo得到总的进程和任务数nr_total
-int print_memory();                                                        //输出内存信息
-void get_procs();                                                          //记录当前进程，赋值给prev_proc
-void parse_dir();                                                          //获取到/proc/下的所有进程pid
-void parse_file(pid_t pid);                                                //获取每一个进程信息
-u64_t cputicks(struct proc *p1, struct proc *p2, int timemode);            //计算每个进程的滴答
-void print_procs(struct proc *proc1, struct proc *proc2, int cputimemode); //输出CPU使用时间
-
-char *message; //用于myshell提示信息的输出
-int whilecnt = 0;
-char msg[40][256];
-unsigned int nr_procs, nr_tasks; //进程数和任务数
-int nr_total;                    //进程和任务总数
-int order = ORDER_CPU;
-int blockedverbose = 0;
-char *Tclr_all;
-int slot = 1;
-
-/*static inline u64_t make64(unsigned long lo, unsigned long hi)
-{
-	return ((u64_t)hi << 32) | (u64_t)lo;
-}
-*/
-
-/*
-函数名: memset
-功  能: 设置s中的所有字节为ch, s数组的大小由n给定
-用  法: void *memset(void *s, char ch, unsigned n);
-程序例:
-
-#include <string.h>
-#include <stdio.h>
-#include <mem.h>
-
-int main(void)
-{
-   char buffer[] = "Hello world\n";
-
-   printf("Buffer before memset: %s\n", buffer);
-   memset(buffer, '*', strlen(buffer) - 1);
-   printf("Buffer after memset:  %s\n", buffer);
-   return 0;
-}
-*/
-/*
-函数名: getcwd
-功  能: 取当前工作目录
-用  法: char *getcwd(char *buf, int n);
-程序例:
-#include <stdio.h>
-#include <dir.h>
-int main(void)
-{
-   char buffer[MAXPATH];
-
-   getcwd(buffer, MAXPATH);
-   printf("The current directory is: %s\n", buffer);
-   return 0;
-}
-*/
-
-int main(int argc, char **argv)
-{
-    int i;
-    int wordcount = 0;
-    char wordmatrix[100][256];
-    char **arg = NULL;
-    char *buf = NULL; //用户输入
-
-    if ((buf = (char *)malloc(256)) == NULL)
-    {
-        perror("malloc failed");
-        exit(-1);
-    }
-
-    while (1)
-    {
-        memset(buf, 0, 256); //将buf所指的空间清零
-        message = (char *)malloc(100);
-        getcwd(message, 100);
-        printf("myshell:%s# ", message);
-        free(message);
-        getOrder(buf);
-        strcpy(msg[whilecnt], buf);
-        whilecnt++;
-        if (strcmp(buf, "exit\n") == 0)
-        {
-            break;
-        }
-        for (i = 0; i < 100; i++)
-        {
-            wordmatrix[i][0] = '\0';
-        }
-        wordcount = 0;
-        anaOrder(buf, &wordcount, wordmatrix);
-        exeCommand(wordcount, wordmatrix);
-    }
-
-    if (buf != NULL)
-    {
-        free(buf);
-        buf = NULL;
-    }
-    return 0;
-}
-
-//获取用户输入
-void getOrder(char *buf)
-{
-    int cnt = 0;
-
-    int c = getchar();
-    while (cnt < 256 && c != '\n')
-    {
-        buf[cnt++] = c;
-        c = getchar();
-    }
-    buf[cnt++] = '\n';
-    buf[cnt] = '\0';
-    if (cnt == 256)
-    {
-        exit(-1);
-    }
-}
-
-//解析buf中的命令，将结果存入wordmatrix中，命令以回车符号\n结束
-void anaOrder(char *buf, int *wordcount, char (*wordmatrix)[256])
-{
-    char *p = buf;
-    char *q = buf;
-    int number = 0;
-    int i;
-    while (1)
-    {
-        if (p[0] == '\n')
-        {
-            break;
-        }
-        if (p[0] == ' ')
-        {
-            p++;
-        }
-        else
-        {
-            q = p;
-            number = 0;
-            while ((q[0] != ' ') && (q[0] != '\n'))
-            {
-                if (q[0] == 92)
-                {
-                    q[0] = ' ';
-                    q[1] = q[2];
-                    for (i = 2;; i++)
-                    {
-                        q[i] = q[i + 1];
-                        if ((q[i] == ' ') || (q[i] == '\n'))
-                            break;
-                    }
-                }
-                number++;
-                q++;
-            }
-            strncpy(wordmatrix[*wordcount], p, number + 1);
-            wordmatrix[*wordcount][number] = '\0';
-            *wordcount = *wordcount + 1;
-            p = q;
-        }
-    }
-}
-/*
-函数名: dup2
-功  能: 复制文件句柄
-用  法: int dup2(int oldhandle, int newhandle);
-程序例:
-
-#include <sys\stat.h>
-#include <string.h>
-#include <fcntl.h>
-#include <io.h>
-
-int main(void)
-{
-   #define STDOUT 1
-
-   int nul, oldstdout;
-   char msg[] = "This is a test";
-
-    //create a file
-   nul = open("DUMMY.FIL", O_CREAT | O_RDWR,
-      S_IREAD | S_IWRITE);
-
-   //create a duplicate handle for standard output
-   oldstdout = dup(STDOUT);
-      redirect standard output to DUMMY.FIL
-      by duplicating the file handle onto the
-      file handle for standard output.
-   dup2(nul, STDOUT);
-
-    close the handle for DUMMY.FIL
-   close(nul);
-
-   will be redirected into DUMMY.FIL
-   write(STDOUT, msg, strlen(msg));
-
-    restore original standard output handle
-   dup2(oldstdout, STDOUT);
-
-   //close duplicate handle for STDOUT
-   close(oldstdout);
-
-   return 0;
-}
-*/
-
-void exeCommand(int wordcount, char (*wordmatrix)[256])
-{
-    pid_t pid;
-    char *file;
-    int correct = 1;
-    int way = 0;
-    int status;
-    int i;
-    int fd;
-    char *word[wordcount + 1];
-    char *wordnext[wordcount + 1];
-
-    //将命令取出
-    for (i = 0; i < wordcount; i++)
-    {
-        word[i] = (char *)wordmatrix[i];
-    }
-    word[wordcount] = NULL;
-
-    //查看命令行是否有后台运行符
-    for (i = 0; i < wordcount; i++)
-    {
-        if (strncmp(word[i], "&", 1) == 0)
-        {
-            way = 4;
-            word[wordcount - 1] = NULL;
-        }
-    }
-
-    for (i = 0; word[i] != NULL; i++)
-    {
-        if (strcmp(word[i], ">") == 0)
-        {
-            way = 1;
-            if (word[i + 1] == NULL)
-            {
-                correct = 0;
-            }
-        }
-        if (strcmp(word[i], "<") == 0)
-        {
-            way = 2;
-            if (i == 0)
-            {
-                correct = 0;
-            }
-        }
-        if (strcmp(word[i], "|") == 0)
-        {
-            way = 3;
-            if (word[i + 1] == NULL)
-            {
-                correct = 0;
-            }
-            if (i == 0)
-            {
-                correct = 0;
-            }
-        }
-    }
-    //correct=0,说明命令格式不对
-    if (correct == 0)
-    {
-        printf("wrong format\n");
-        return;
-    }
-
-    if (way == 1)
-    {
-        //输出重定向
-        for (i = 0; word[i] != NULL; i++)
-        {
-            if (strcmp(word[i], ">") == 0)
-            {
-                file = word[i + 1];
-                word[i] = NULL;
-            }
-        }
-    }
-
-    if (way == 2)
-    {
-        //输入重定向
-        for (i = 0; word[i] != NULL; i++)
-        {
-            if (strcmp(word[i], "<") == 0)
-            {
-                file = word[i + 1];
-                word[i] = NULL;
-            }
-        }
-    }
-
-    if (way == 3)
-    {
-        //把管道符后面的部分存入wordnext中，管道后面的部分是一个可执行的shell命令
-        for (i = 0; word[i] != NULL; i++)
-        {
-            if (strcmp(word[i], "|") == 0)
-            {
-                word[i] = NULL;
-                int j;
-                for (j = i + 1; word[j] != NULL; j++)
-                {
-                    wordnext[j - i - 1] = word[j];
-                }
-                wordnext[j - i - 1] = NULL;
-            }
-        }
-    }
-
-    if (strcmp(word[0], "cd") == 0)
-    {
-        if (word[1] == NULL)
-        {
-            return;
-        }
-        if (chdir(word[1]) == -1)
-        {
-            perror("cd");
-        }
-        return;
-    }
-
-    if ((pid = fork()) < 0)
-    { //创建子进程
-        printf("fork error\n");
-        return;
-    }
-
-    if (strcmp(word[0], "history") == 0)
-    { //实现history n
-        if (pid == 0)
-        {
-            char cnum = word[1][0];
-            int num = cnum - 48;
-            for (int i = whilecnt - 1; i > whilecnt - num - 1; i--)
-            {
-                printf("command %d:", i);
-                printf("%s", msg[i]);
-            }
-            exit(0);
-        }
-    }
-
-    if (strcmp(word[0], "mytop") == 0)
-    {
-        if (pid == 0)
-        {
-            int cputimemode = 1;
-            getkinfo();
-            print_memory();
-            get_procs();
-            if (prev_proc == NULL)
-                get_procs();
-            print_procs(prev_proc, proc, cputimemode);
-            exit(0);
-        }
-    }
-
-    switch (way)
-    {
-    case 0:
-        //pid为0说明是子进程，在子进程中执行输入的命令
-        //输入的命令中不含> < | &
-        if (pid == 0)
-        {
-            if (!(checkCommand(word[0])))
-            {
-                printf("%s : command not found\n", word[0]);
-                exit(0);
-            }
-            execvp(word[0], word);
-            exit(0);
-        }
-        break;
-
-    case 1:
-        //输入的命令中含有输出重定向符
-        if (pid == 0)
-        {
-            if (!(checkCommand(word[0])))
-            {
-                printf("%s : command not found\n", word[0]);
-                exit(0);
-            }
-            fd = open(file, O_RDWR | O_CREAT | O_TRUNC, 0644);
-            dup2(fd, 1);
-            execvp(word[0], word);
-            exit(0);
-        }
-        break;
-
-    case 2:
-        //输入的命令中含有输入重定向<
-        if (pid == 0)
-        {
-            if (!(checkCommand(word[0])))
-            {
-                printf("%s : command not found\n", word[0]);
-                exit(0);
-            }
-            fd = open(file, O_RDONLY);
-            dup2(fd, 0);
-            execvp(word[0], word);
-            exit(0);
-        }
-        break;
-
-    case 3:
-        //输入的命令中含有管道符|
-        if (pid == 0)
-        {
-            int pid2;
-            int status2;
-            int fd[2];
-
-            if (pipe(fd) < 0)
-            {
-                printf("pipe error\n");
-                exit(0);
-            }
-
-            if ((pid2 = fork()) < 0)
-            {
-                printf("fork2 error\n");
-                return;
-            }
-            else if (pid2 == 0)
-            {
-                if (!(checkCommand(word[0])))
-                {
-                    printf("%s : command not found\n", word[0]);
-                    exit(0);
-                }
-                dup2(fd[1], 1);
-                execvp(word[0], word);
-                exit(0);
-            }
-            if (waitpid(pid2, &status2, 0) == -1)
-            {
-                printf("wait for child process error\n");
-            }
-            if (!(checkCommand(wordnext[0])))
-            {
-                printf("%s : command not found\n", wordnext[0]);
-                exit(0);
-            }
-            dup2(fd[0], 0);
-            execvp(wordnext[0], wordnext);
-            exit(0);
-        }
-        break;
-    case 4: //若命令中有&，表示后台执行，父进程直接返回，不等待子进程结束
-        signal(SIGCHLD, SIG_IGN);
-        if (pid == 0)
-        {
-            //int pidbg;
-            //pidbg=fork();
-            //if(pidbg==0){
-            printf("[process id: %d]\n", pid);
-            int a = open("/dev/null", O_RDONLY);
-            dup2(a, 0);
-            dup2(a, 1);
-            if (!(checkCommand(word[0])))
-            {
-                printf("%s : command not found\n", word[0]);
-                exit(0);
-            }
-            execvp(word[0], word);
-            exit(0);
-            //}
-        }
-        break;
-
-    default:
-        break;
-    }
-
-    //父进程等待子进程结束
-    if (waitpid(pid, &status, 0) == -1)
-    {
-        printf("wait for child process error\n");
-    }
-}
-
-//查找命令中的可执行程序
-int checkCommand(char *command)
-{
-    DIR *dp;
-    struct dirent *dirp;
-    char *path[] = {"./", "/bin", "/usr/bin", NULL};
-
-    if (strncmp(command, "./", 2) == 0)
-    {
-        command = command + 2;
-    }
-
-    //分别在当前目录，/bin和/usr/bin目录查找要执行的程序
-    int i = 0;
-    while (path[i] != NULL)
-    {
-        if ((dp = opendir(path[i])) == NULL)
-        {
-            printf("can not open /bin \n");
-        }
-        while ((dirp = readdir(dp)) != NULL)
-        {
-            if (strcmp(dirp->d_name, command) == 0)
-            {
-                closedir(dp);
-                return 1;
-            }
-        }
-        closedir(dp);
-        i++;
-    }
-    return 0;
-}
-
-void getkinfo()
-{
-    FILE *fp;
-
-    if ((fp = fopen("/proc/kinfo", "r")) == NULL)
-    {
-        fprintf(stderr, "opening " _PATH_PROC "kinfo failed\n");
-        exit(1);
-    }
-
-    if (fscanf(fp, "%u %u", &nr_procs, &nr_tasks) != 2)
-    {
-        fprintf(stderr, "reading from " _PATH_PROC "kinfo failed\n");
-        exit(1);
-    }
-
-    fclose(fp);
-
-    nr_total = (int)(nr_procs + nr_tasks);
-}
-
-int print_memory()
-{
-    FILE *fp;
-    unsigned int pagesize;
-    unsigned long total, free, largest, cached;
-
-    if ((fp = fopen("/proc/meminfo", "r")) == NULL)
-        return 0;
-
-    if (fscanf(fp, "%u %lu %lu %lu %lu", &pagesize, &total, &free,
-               &largest, &cached) != 5)
-    {
-        fclose(fp);
-        return 0;
-    }
-
-    fclose(fp);
-
-    printf("main memory: %ldK total, %ldK free, %ldK contig free, "
-           "%ldK cached\n",
-           (pagesize * total) / 1024, (pagesize * free) / 1024,
-           (pagesize * largest) / 1024, (pagesize * cached) / 1024);
-
-    return 1;
-}
-
-void get_procs()
-{
-    struct proc *p;
-    int i;
-
-    p = prev_proc;
-    prev_proc = proc;
-    proc = p;
-
-    if (proc == NULL)
-    {
-        proc = malloc(nr_total * sizeof(proc[0]));
-
-        if (proc == NULL)
-        {
-            fprintf(stderr, "Out of memory!\n");
-            exit(1);
-        }
-    }
-
-    for (i = 0; i < nr_total; i++)
-        proc[i].p_flags = 0;
-
-    parse_dir();
-}
-
-void parse_dir()
-{
-    DIR *p_dir;
-    struct dirent *p_ent;
-    pid_t pid;
-    char *end; //end是指向第一个不可转换的字符位置的指针
-
-    if ((p_dir = opendir("/proc")) == NULL)
-    {
-        perror("opendir on " _PATH_PROC);
-        exit(1);
-    }
-
-    for (p_ent = readdir(p_dir); p_ent != NULL; p_ent = readdir(p_dir))
-    {
-        pid = strtol(p_ent->d_name, &end, 10); //long strtol(char *str, char **endptr, int base)将串转换为长整数,base是基数，表示要转换的是几进制的数
-
-        if (!end[0] && pid != 0)
-            parse_file(pid);
-    }
-
-    closedir(p_dir);
-}
-
-void parse_file(pid_t pid)
-{
-    char path[PATH_MAX], name[256], type, state;
-    int version, endpt, effuid;         //版本，端点，有效用户ID
-    unsigned long cycles_hi, cycles_lo; //高周期，低周期
-    FILE *fp;
-    struct proc *p;
-    //int slot; //插槽?
-    int i;
-    //printf("parse_file\n");
-
-    sprintf(path, "/proc/%d/psinfo", pid);
-
-    if ((fp = fopen(path, "r")) == NULL)
-        return;
-
-    if (fscanf(fp, "%d", &version) != 1)
-    {
-        fclose(fp);
-        return;
-    }
-
-    if (version != PSINFO_VERSION)
-    { //0
-        fputs("procfs version mismatch!\n", stderr);
-        exit(1);
-    }
-
-    if (fscanf(fp, " %c %d", &type, &endpt) != 2)
-    {
-        fclose(fp);
-        return;
-    }
-
-    slot++;
-    //slot = SLOT_NR(endpt);
-
-    if (slot < 0 || slot >= nr_total)
-    {
-        fprintf(stderr, "top: unreasonable endpoint number %d\n", endpt);
-        fclose(fp);
-        return;
-    }
-
-    p = &proc[slot];
-
-    if (type == TYPE_TASK)
-        p->p_flags |= IS_TASK;
-    else if (type == TYPE_SYSTEM)
-        p->p_flags |= IS_SYSTEM;
-
-    p->p_endpoint = endpt;
-    p->p_pid = pid;
-
-    if (fscanf(fp, " %255s %c %d %d %lu %*u %lu %lu",
-               name, &state, &p->p_blocked, &p->p_priority,
-               &p->p_user_time, &cycles_hi, &cycles_lo) != 7)
-    {
-
-        fclose(fp);
-        return;
-    }
-
-    strncpy(p->p_name, name, sizeof(p->p_name) - 1);
-    p->p_name[sizeof(p->p_name) - 1] = 0;
-
-    if (state != STATE_RUN)
-        p->p_flags |= BLOCKED;
-    p->p_cpucycles[0] = make64(cycles_lo, cycles_hi);
-    p->p_memory = 0L;
-
-    if (!(p->p_flags & IS_TASK))
-    {
-        int j;
-        if ((j = fscanf(fp, " %lu %*u %*u %*c %*d %*u %u %*u %d %*c %*d %*u",
-                        &p->p_memory, &effuid, &p->p_nice)) != 3)
-        {
-
-            fclose(fp);
-            return;
-        }
-
-        p->p_effuid = effuid;
-    }
-    else
-        p->p_effuid = 0;
-
-    for (i = 1; i < CPUTIMENAMES; i++)
-    {
-        if (fscanf(fp, " %lu %lu",
-                   &cycles_hi, &cycles_lo) == 2)
-        {
-            p->p_cpucycles[i] = make64(cycles_lo, cycles_hi);
-        }
-        else
-        {
-            p->p_cpucycles[i] = 0;
-        }
-    }
-
-    if ((p->p_flags & IS_TASK))
-    {
-        if (fscanf(fp, " %lu", &p->p_memory) != 1)
-        {
-            p->p_memory = 0;
-        }
-    }
-
-    p->p_flags |= USED;
-
-    fclose(fp);
-}
-
-u64_t cputicks(struct proc *p1, struct proc *p2, int timemode)
-{
-    int i;
-    u64_t t = 0;
-    for (i = 0; i < CPUTIMENAMES; i++)
-    {
-        if (!CPUTIME(timemode, i))
-            continue;
-        if (p1->p_endpoint == p2->p_endpoint)
-        {
-            t = t + p2->p_cpucycles[i] - p1->p_cpucycles[i];
-        }
-        else
-        {
-            t = t + p2->p_cpucycles[i];
-        }
-    }
-
-    return t;
-}
-
-void print_procs(struct proc *proc1, struct proc *proc2, int cputimemode)
-{
-    int p, nprocs;
-    //u64_t idleticks = 0;
-    //u64_t kernelticks = 0;
-    u64_t systemticks = 0;
-    u64_t userticks = 0;
-    u64_t total_ticks = 0;
-    int blockedseen = 0;
-    static struct tp *tick_procs = NULL; //tp结构体的数组tick_procs,对所有的进程和任务(即上面读出来的nr_total)计算ticks
-
-    if (tick_procs == NULL)
-    {
-        tick_procs = malloc(nr_total * sizeof(tick_procs[0]));
-
-        if (tick_procs == NULL)
-        {
-            fprintf(stderr, "Out of memory!\n");
-            exit(1);
-        }
-    }
-
-    for (p = nprocs = 0; p < nr_total; p++)
-    {
-        u64_t uticks;
-        if (!(proc2[p].p_flags & USED))
-            continue;
-        tick_procs[nprocs].p = proc2 + p;
-        tick_procs[nprocs].ticks = cputicks(&proc1[p], &proc2[p], cputimemode);
-        uticks = cputicks(&proc1[p], &proc2[p], 1);
-        total_ticks = total_ticks + uticks;
-        //printf("total_ticks:%llu\n",total_ticks);
-        /*if(p-NR_TASKS == IDLE) {
-			idleticks = uticks;
-			continue;
-		}
-		if(p-NR_TASKS == KERNEL) {
-			kernelticks = uticks;
-		}
-		*/
-        if (!(proc2[p].p_flags & IS_TASK))
-        {
-            if (proc2[p].p_flags & IS_SYSTEM)
-                systemticks = systemticks + tick_procs[nprocs].ticks;
-            else
-                userticks = userticks + tick_procs[nprocs].ticks;
-        }
-
-        nprocs++;
-    }
-
-    if (total_ticks == 0)
-        return;
-
-    printf("CPU states: %6.2f%% user, ", 100.0 * userticks / total_ticks);
-    printf("%6.2f%% system", 100.0 * systemticks / total_ticks);
-    printf("%6.2f%% in total\n", 100.0 * (systemticks + userticks) / total_ticks);
-    //printf("%6.2f%% kernel, ", 100.0 * kernelticks/ total_ticks);
-    //printf("%6.2f%% idle", 100.0 * idleticks / total_ticks);
-}