/* top.c - Provide a view of process activity in real time. * * Copyright 2013 Bilal Qureshi <bilal.jmi@gmail.com> * Copyright 2013 Ashwini Kumar <ak.ashwini@gmail.com> * Copyright 2013 Kyungwan Han <asura321@gmail.com> * * No Standard USE_TOP(NEWTOY(top, ">0d#=3n#<1mb", TOYFLAG_USR|TOYFLAG_BIN)) config TOP bool "top" default n help usage: top [-mb] [ -d seconds ] [ -n iterations ] Provide a view of process activity in real time. Keys N/M/P/T show CPU usage, sort by pid/mem/cpu/time S show memory R reverse sort H toggle threads C,1 toggle SMP Q,^C exit Options -n Iterations before exiting -d Delay between updates -m Same as 's' key -b Batch mode */ #define FOR_top #include "toys.h" #include <signal.h> #include <poll.h> GLOBALS( long iterations; long delay; long cmp_field; long reverse; long rows; long smp; long threads; long m_flag; long num_new_procs; long scroll_offset; struct termios inf; ) #define PROC_NAME_LEN 512 //For long cmdline. #define INIT_PROCS 50 struct cpu_info { long unsigned utime, ntime, stime, itime; long unsigned iowtime, irqtime, sirqtime, steal; unsigned long long total; }; struct keycode_map_s { char *key; int code; }; struct proc_info { struct proc_info *next; pid_t pid, ppid; uid_t uid; char name[PROC_NAME_LEN]; char tname[PROC_NAME_LEN]; char state[4]; int prs; unsigned long utime, stime, delta_utime, delta_stime, delta_time; unsigned long vss, vssrw, rss, rss_shr, drt, drt_shr, stack; }; static struct proc_info *free_procs, **old_procs, **new_procs; static struct cpu_info old_cpu[10], new_cpu[10]; //1 total, 8 cores, 1 null static int (*proc_cmp)(const void *a, const void *b); static struct proc_info *find_old_proc(pid_t pid) { int i; for (i = 0; old_procs && old_procs[i]; i++) if (old_procs[i]->pid == pid) return old_procs[i]; return NULL; } static void read_stat(char *filename, struct proc_info *proc) { int nice; FILE *file; char *open_paren, *close_paren; if (!(file = fopen(filename, "r"))) return; fgets(toybuf, sizeof(toybuf), file); fclose(file); // Split at first '(' and last ')' to get process name. open_paren = strchr(toybuf, '('); close_paren = strrchr(toybuf, ')'); if (!open_paren || !close_paren) return; *open_paren = *close_paren = '\0'; snprintf(proc->tname, PROC_NAME_LEN, "[%s]",open_paren + 1); // Scan rest of string. sscanf(close_paren + 1, " %c %d %*d %*d %*d %*d %*d %*d %*d %*d %*d " "%lu %lu %*d %*d %*d %d %*d %*d %*d %lu %ld " "%*d %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d %d", &proc->state[0], &proc->ppid, &proc->utime, &proc->stime, &nice, &proc->vss, &proc->rss, &proc->prs); if (!proc->vss && proc->state[0] != 'Z') proc->state[1] = 'W'; else proc->state[1] = ' '; if (nice < 0 ) proc->state[2] = '<'; else if (nice) proc->state[2] = 'N'; else proc->state[2] = ' '; } static void read_status(char *filename, struct proc_info *proc) { FILE *file; if (!(file = fopen(filename, "r"))) return; while (fgets(toybuf, sizeof(toybuf), file)) if (sscanf(toybuf, "Uid: %u", &(proc->uid)) == 1) break; fclose(file); } static void read_cmdline(char *filename, struct proc_info *proc) { int fd, len, rbytes = 0; char *ch, *base, tname[PROC_NAME_LEN]; if ((fd = open(filename, O_RDONLY)) == -1) return; rbytes = readall(fd, toybuf, sizeof(toybuf)); close(fd); if (rbytes <= 0) { strcpy(proc->name, proc->tname); return; } toybuf[rbytes] = '\0'; while (--rbytes >= 0 && toybuf[rbytes] == '\0') continue; snprintf(tname, PROC_NAME_LEN, "%s", proc->tname+1); tname[strlen(tname) - 1] = '\0'; ch = strchr(toybuf, ' '); if (ch) *ch = '\0'; base = strrchr(toybuf, '/'); if (base) base++; else base = toybuf; for (; rbytes >= 0; rbytes--) if ((unsigned char)toybuf[rbytes] < ' ') toybuf[rbytes] = ' '; if (*base == '-') base++; len = strlen(tname); if (strncmp(base, tname, len)) { len +=3; //{,}, \0 rbytes = strlen(toybuf); memmove(toybuf+ len, toybuf, rbytes+1); snprintf(toybuf, sizeof(toybuf), "{%s}", tname); toybuf[len-1] = ' '; } snprintf(proc->name, PROC_NAME_LEN, "%s", toybuf); } static void add_proc(int proc_num, struct proc_info *proc) { int i; if (proc_num >= TT.num_new_procs-1) { new_procs = xrealloc(new_procs, (INIT_PROCS + TT.num_new_procs) * sizeof(struct proc_info *)); for (i = TT.num_new_procs; i < (INIT_PROCS + TT.num_new_procs); i++) new_procs[i] = NULL; TT.num_new_procs += INIT_PROCS; } new_procs[proc_num] = proc; } void signal_handler(int sig) { tcsetattr(STDIN_FILENO, TCSANOW, &TT.inf); xputc('\n'); signal(sig, SIG_DFL); raise(sig); _exit(sig | 128); } static int get_key_code(char *ch, int i) { static struct keycode_map_s type2[] = { {"OA",KEY_UP}, {"OB",KEY_DOWN}, {"OH",KEY_HOME}, {"OF",KEY_END}, {"[A",KEY_UP}, {"[B",KEY_DOWN}, {"[H",KEY_HOME}, {"[F",KEY_END}, {NULL, 0} }; static struct keycode_map_s type3[] = { {"[1~", KEY_HOME}, {"[4~", KEY_END}, {"[5~", KEY_PGUP}, {"[6~", KEY_PGDN}, {"[7~", KEY_HOME}, {"[8~", KEY_END}, {NULL, 0} }; struct keycode_map_s *table, *keytable[3] = {type2, type3, NULL}; int j; if ( i > 3 || i < 1) return -1; for (j=0; (table = keytable[j]); j++) { while (table->key) { if (!strncmp(ch, table->key, i)) break; table++; } if (table->key) { if (i == 1 || (i == 2 && j)) return 1; return table->code; } } return -1; } static int read_input(int delay) { struct pollfd pfd[1]; int ret, fret = 0, cnt = 0, escproc = 0, timeout = delay * 1000; char ch, seq[4] = {0,}; struct termios newf; tcgetattr(0, &TT.inf); if (toys.optflags & FLAG_b) { sleep(delay); return 0; } pfd[0].fd = 0; pfd[0].events = POLLIN; //prepare terminal for input, without Enter of Carriage return memcpy(&newf, &TT.inf, sizeof(struct termios)); newf.c_lflag &= ~(ICANON | ECHO | ECHONL); newf.c_cc[VMIN] = 1; newf.c_cc[VTIME] = 0; tcsetattr(0, TCSANOW, &newf); while (1) { if ((ret = poll(pfd, 1, timeout)) >= 0) break; else { if (timeout > 0) timeout--; if (errno == EINTR) continue; perror_exit("poll"); } } while (ret) { if (read(STDIN_FILENO, &ch, 1) != 1) toys.optflags |= FLAG_b; else if (ch == '\033' || escproc) { int code; //process ESC keys if (!escproc) { if (!poll(pfd, 1, 50)) break; //no more chars escproc = 1; continue; } seq[cnt++] = ch; code = get_key_code(seq, cnt); switch(code) { case -1: //no match fret = 0; break; case 1: //read more continue; default: // got the key fret = code; break; } } else if ((ch == TT.inf.c_cc[VINTR]) || (ch == TT.inf.c_cc[VEOF])) fret = 'q'; else fret = ch | 0x20; break; } tcsetattr(0, TCSANOW, &TT.inf); return fret; } // Allocation for Processes static struct proc_info *alloc_proc(void) { struct proc_info *proc; if (free_procs) { proc = free_procs; free_procs = free_procs->next; memset(proc, 0, sizeof(*proc)); } else proc = xzalloc(sizeof(*proc)); return proc; } static void free_proc_list(struct proc_info *procs) { struct proc_info *tmp = procs; for (;tmp; tmp = procs) { procs = procs->next; free(tmp); } } // Free allocated Processes in order to avoid memory leaks static void free_proc(struct proc_info *proc) { proc->next = free_procs; free_procs = proc; } static struct proc_info *add_new_proc(pid_t pid, pid_t tid) { char filename[64]; struct proc_info *proc = alloc_proc(); proc->pid = (tid)? tid : pid; if (!tid) { sprintf(filename, "/proc/%d/stat", pid); read_stat(filename, proc); sprintf(filename, "/proc/%d/cmdline", pid); read_cmdline(filename, proc); sprintf(filename, "/proc/%d/status", pid); read_status(filename, proc); } else{ sprintf(filename, "/proc/%d/task/%d/stat", pid,tid); read_stat(filename, proc); sprintf(filename, "/proc/%d/task/%d/cmdline", pid, tid); read_cmdline(filename, proc); } return proc; } static void read_smaps(pid_t pid, struct proc_info *p) { FILE *fp; char *line; size_t len; long long start, end, val, prvcl, prvdr, shrdr, shrcl; int count; p->vss = p->rss = 0; start = end = val = prvcl = prvdr = shrdr = shrcl = 0; sprintf(toybuf, "/proc/%u/smaps", pid); if (!(fp = fopen(toybuf, "r"))) { error_msg("No %ld\n", (long)pid); return; } for (;;) { int off; line = 0; if (0 >= getline(&line, &len, fp)) break; count = sscanf(line, "%llx-%llx %s %*s %*s %*s %n", &start, &end, toybuf, &off); if (count == 3) { end = end - start; if (strncmp(line+off, "/dev/", 5) || !strcmp(line+off, "/dev/zero\n")) { p->vss += end; if (toybuf[1] == 'w') p->vssrw += end; } if (line[off] && !strncmp(line+off, "[stack]",7)) p->stack += end; } else { if (0<sscanf(line, "Private_Clean: %lld", &val)) prvcl += val; if (0<sscanf(line, "Private_Dirty: %lld", &val)) prvdr += val; if (0<sscanf(line, "Shared_Dirty: %lld", &val)) shrdr += val; if (0<sscanf(line, "Shared_Clean: %lld", &val)) shrcl += val; } free(line); } free(line); //incase it broke out. p->rss_shr = shrdr + shrcl; p->drt = prvdr + shrdr; p->drt_shr = shrdr; p->rss = p->rss_shr + prvdr + prvcl; fclose(fp); } static void read_procs(void) // Read Processes { DIR *proc_dir, *thr_dir; struct dirent *pid_dir, *t_dir; struct proc_info *proc; pid_t pid, tid; int proc_num = 0; proc_dir = opendir("/proc"); if (!proc_dir) perror_exit("Could not open /proc"); new_procs = xzalloc(INIT_PROCS * sizeof(struct proc_info *)); TT.num_new_procs = INIT_PROCS; while ((pid_dir = readdir(proc_dir))) { if (!isdigit(pid_dir->d_name[0])) continue; pid = atoi(pid_dir->d_name); proc = add_new_proc(pid, 0); if (TT.m_flag) { read_smaps(pid, proc); if (!proc->vss) { free(proc); continue; } } add_proc(proc_num++, proc); if (TT.threads) { char filename[64]; uid_t uid = proc->uid; sprintf(filename,"/proc/%d/task",pid); if ((thr_dir = opendir(filename))) { while ((t_dir = readdir(thr_dir))) { if (!isdigit(t_dir->d_name[0])) continue; tid = atoi(t_dir->d_name); if (pid == tid) continue; proc = add_new_proc(pid, tid); proc->uid = uid; //child will have same uid as parent. add_proc(proc_num++, proc); } closedir(thr_dir); } } } closedir(proc_dir); TT.num_new_procs = proc_num; } //calculate percentage. static char* show_percent(long unsigned num, long unsigned den) { long res; static char ch, buff[12]={'\0'}; if(num > den) num = den; res = (num * 100)/den; sprintf(buff,"%ld", (num * 100)% den); ch = *buff; sprintf(buff, "%ld.%c",res, ch); return buff; } static int print_header(struct sysinfo *info, unsigned int cols) { int fd, j, k, rows =0; long unsigned total, meminfo_cached, anon, meminfo_mapped, meminfo_slab, meminfo_dirty, meminfo_writeback, swapT, swapF; char *buff; fd = xopen("/proc/meminfo", O_RDONLY); while ((buff = get_line(fd))) { if (!strncmp(buff, "Cached", 6)) sscanf(buff,"%*s %lu\n",&meminfo_cached); else if (!strncmp(buff, "AnonPages", 9)) sscanf(buff,"%*s %lu\n",&anon); else if (!strncmp(buff, "Mapped", 6)) sscanf(buff,"%*s %lu\n",&meminfo_mapped); else if (!strncmp(buff, "Slab", 4)) sscanf(buff,"%*s %lu\n",&meminfo_slab); else if (!strncmp(buff, "Dirty", 5)) sscanf(buff,"%*s %lu\n",&meminfo_dirty); else if (!strncmp(buff, "Writeback", 9)) sscanf(buff,"%*s %lu\n",&meminfo_writeback); else if (!strncmp(buff, "SwapTotal", 9)) sscanf(buff,"%*s %lu\n",&swapT); else if (!strncmp(buff, "SwapFree", 8)) sscanf(buff,"%*s %lu\n",&swapF); free(buff); } close(fd); if (!(toys.optflags & FLAG_b)) printf("\033[H\033[J"); if (TT.m_flag){ sprintf(toybuf, "Mem total:%lu anon:%lu map:%lu free:%lu", ((info->totalram) >> 10), anon, meminfo_mapped, ((info->freeram) >> 10)); printf("%.*s\n", cols, toybuf); sprintf(toybuf, "slab:%lu buf:%lu cache:%lu dirty:%lu write:%lu", meminfo_slab, ((info->bufferram) >>10), meminfo_cached, meminfo_dirty,meminfo_writeback); printf("%.*s\n", cols, toybuf); sprintf(toybuf, "Swap total:%lu free:%lu",swapT, swapF); printf("%.*s\n", cols, toybuf); rows += 3; } else { sprintf(toybuf,"Mem: %luK used, %luK free, %luK shrd, %luK buff, %luK cached", (info->totalram-info->freeram) >>10, (info->freeram) >>10, (info->sharedram) >>10, (info->bufferram) >>10, meminfo_cached); printf("%.*s\n", cols, toybuf); for (k = 1; new_cpu[k].total; k++) { j = 0; if (!TT.smp) { k = 0; j = sprintf(toybuf,"CPU:"); } else j = sprintf(toybuf,"CPU%d:", k-1); total = (new_cpu[k].total) - (old_cpu[k].total); if (!total) total = 1; //avoid denominator as 0, FPE j += sprintf(toybuf + j," %s%% usr", show_percent((new_cpu[k].utime - old_cpu[k].utime), total)); j += sprintf(toybuf+j," %s%% sys", show_percent((new_cpu[k].stime - old_cpu[k].stime), total)); j += sprintf(toybuf+j," %s%% nic", show_percent(new_cpu[k].ntime - old_cpu[k].ntime, total)); j += sprintf(toybuf+j," %s%% idle", show_percent(new_cpu[k].itime - old_cpu[k].itime, total)); j += sprintf(toybuf+j," %s%% io", show_percent((new_cpu[k].iowtime - old_cpu[k].iowtime), total)); j += sprintf(toybuf+j," %s%% irq", show_percent(new_cpu[k].irqtime - old_cpu[k].irqtime, total)); j += sprintf(toybuf+j," %s%% sirq", show_percent(new_cpu[k].sirqtime - old_cpu[k].sirqtime, total)); printf("%.*s\n", cols, toybuf); if (!TT.smp) break; } if ((buff = readfile("/proc/loadavg", NULL, 0))) { buff[strlen(buff) -1] = '\0'; //removing '\n' at end sprintf(toybuf, "Load average: %s", buff); printf("%.*s\n", cols, toybuf); free(buff); } rows += 2 + ((TT.smp) ? k-1 : 1); } return rows; } static void print_procs(void) { int i, j = 0; struct proc_info *old_proc, *proc; long unsigned total_delta_time; struct passwd *user; char *user_str, user_buf[20]; struct sysinfo info; unsigned int cols=0, rows =0; terminal_size(&cols, &rows); if (!rows){ rows = 24; //on serial consoles setting default cols = 79; } if (toys.optflags & FLAG_b) rows = INT_MAX; TT.rows = rows; for (i = 0; i < TT.num_new_procs; i++) { if (new_procs[i]) { old_proc = find_old_proc(new_procs[i]->pid); if (old_proc) { new_procs[i]->delta_utime = new_procs[i]->utime - old_proc->utime; new_procs[i]->delta_stime = new_procs[i]->stime - old_proc->stime; } else { new_procs[i]->delta_utime = 0; new_procs[i]->delta_stime = 0; } new_procs[i]->delta_time = new_procs[i]->delta_utime + new_procs[i]->delta_stime; } } total_delta_time = new_cpu[0].total - old_cpu[0].total; if (!total_delta_time) total_delta_time = 1; qsort(new_procs, TT.num_new_procs, sizeof(struct proc_info *), proc_cmp); //Memory details sysinfo(&info); info.totalram *= info.mem_unit; info.freeram *= info.mem_unit; info.sharedram *= info.mem_unit; info.bufferram *= info.mem_unit; rows -= print_header(&info, cols); if (TT.m_flag) { sprintf(toybuf, "%5s %5s %5s %5s %5s %5s %5s %5s %s", "PID", "VSZ", "VSZRW", "RSS", "(SHR)", "DIRTY", "(SHR)", "STACK", "COMMAND"); toybuf[11 + TT.cmp_field*6] = (TT.reverse)?'_':'^'; //11 for PID,VSZ fields } else sprintf(toybuf, "%5s %5s %-8s %4s %5s %5s %4s %5s %s", "PID", "PPID", "USER", "STAT", "VSZ", "%VSZ", "CPU" , "%CPU", "COMMAND"); printf((toys.optflags & FLAG_b)?"%.*s\n":"\033[7m%.*s\033[0m\n",cols, toybuf); rows--; for (i = TT.scroll_offset; i < TT.num_new_procs; i++) { j = 0; proc = new_procs[i]; user = getpwuid(proc->uid); if (user && user->pw_name) { user_str = user->pw_name; } else { snprintf(user_buf, 20, "%d", proc->uid); user_str = user_buf; } if (!TT.m_flag ) { float vss_percentage = (float)(proc->vss)/info.totalram * 100; j = sprintf(toybuf, "%5d %5d %-8.8s %-4s",proc->pid, proc->ppid, user_str, proc->state); if ((proc->vss >> 10) >= 100000) j += sprintf(toybuf + j, " %4lum", ((proc->vss >> 10) >> 10)); else j += sprintf(toybuf+j, " %5lu", (proc->vss >> 10)); sprintf(toybuf + j," %5.1f %4d %5s %s", vss_percentage, proc->prs, show_percent(proc->delta_time, total_delta_time), ((proc->name[0])? proc->name : proc->tname)); printf("%.*s", cols, toybuf); } else { j = sprintf(toybuf, "%5d",proc->pid); if ((proc->vss >> 10) >= 100000) j += sprintf(toybuf + j, " %4lum", ((proc->vss >> 10) >> 10)); else j += sprintf(toybuf+j, " %5lu", (proc->vss >> 10)); if ((proc->vssrw >>10) >= 100000) j += sprintf(toybuf + j, " %4lum", ((proc->vssrw >> 10) >> 10)); else j += sprintf(toybuf+j, " %5lu", (proc->vssrw >> 10)); if (proc->rss >= 100000) j += sprintf(toybuf + j, " %4lum", ((proc->rss >> 10))); else j += sprintf(toybuf+j, " %5lu", proc->rss); if (proc->rss_shr >= 100000) j += sprintf(toybuf + j, " %4lum", (proc->rss_shr >> 10)); else j += sprintf(toybuf+j, " %5lu", proc->rss_shr); if (proc->drt >= 100000) j += sprintf(toybuf + j, " %4lum", (proc->drt >> 10)); else j += sprintf(toybuf+j, " %5lu", proc->drt); if (proc->drt_shr >= 100000) j += sprintf(toybuf + j, " %4lum", (proc->drt_shr >> 10)); else j += sprintf(toybuf+j, " %5lu", proc->drt_shr); if ((proc->stack >>10) >= 100000) j += sprintf(toybuf + j, " %4lum", ((proc->stack >> 10) >> 10)); else j += sprintf(toybuf+j, " %5lu", (proc->stack >> 10)); sprintf(toybuf + j," %s",((proc->name[0])? proc->name : proc->tname)); printf("%.*s", cols, toybuf); } rows--; if (!rows) { xputc('\r'); break; //don't print any more process details. } else xputc('\n'); } } /* * Free old processes(displayed in old iteration) in order to * avoid memory leaks */ static void free_procs_arr(struct proc_info **procs) { int i; for (i = 0; procs && procs[i]; i++) free_proc(procs[i]); free(procs); } static int numcmp(long long a, long long b) { if (a < b) return (TT.reverse)?-1 : 1; if (a > b) return (TT.reverse)?1 : -1; return 0; } static int top_mem_cmp(const void *a, const void *b) { char *pa, *pb; int n = offsetof(struct proc_info, vss) + TT.cmp_field * sizeof(unsigned long); pa = *((char **)a); pb = *((char **)b); return numcmp(*(unsigned long*)(pa+n), *(unsigned long*)(pb+n)); } static int proc_time_cmp(const void *a, const void *b) { struct proc_info *pa, *pb; pa = *((struct proc_info **)a); pb = *((struct proc_info **)b); return numcmp(pa->utime + pa->stime, pb->utime+pa->stime); } /* * Function to compare CPU usgae % while displaying processes * according to CPU usage */ static int proc_cpu_cmp(const void *a, const void *b) { struct proc_info *pa, *pb; pa = *((struct proc_info **)a); pb = *((struct proc_info **)b); return numcmp(pa->delta_time, pb->delta_time); } /* * Function to compare memory taking by a process at the time of * displaying processes according to Memory usage */ static int proc_vss_cmp(const void *a, const void *b) { struct proc_info *pa, *pb; pa = *((struct proc_info **)a); pb = *((struct proc_info **)b); return numcmp(pa->vss, pb->vss); } static int proc_pid_cmp(const void *a, const void *b) { struct proc_info *pa, *pb; pa = *((struct proc_info **)a); pb = *((struct proc_info **)b); return numcmp(pa->pid, pb->pid); } /* Read CPU stats for all the cores, assuming max 8 cores * to be present here. */ static void read_cpu_stat() { int i; size_t len; char *line = 0, *params = "%lu %lu %lu %lu %lu %lu %lu %lu"; FILE *fp = xfopen("/proc/stat", "r"); for (i = 0; i<=8 && getline(&line, &len, fp) > 0; i++) { if (i) sprintf(toybuf, "cpu%d %s", i-1, params); else sprintf(toybuf, "cpu %s", params); len = sscanf(line, toybuf, &new_cpu[i].utime, &new_cpu[i].ntime, &new_cpu[i].stime, &new_cpu[i].itime, &new_cpu[i].iowtime, &new_cpu[i].irqtime, &new_cpu[i].sirqtime, &new_cpu[i].steal); if (len == 8) new_cpu[i].total = new_cpu[i].utime + new_cpu[i].ntime + new_cpu[i].stime + new_cpu[i].itime + new_cpu[i].iowtime + new_cpu[i].irqtime + new_cpu[i].sirqtime + new_cpu[i].steal; free(line); line = 0; } fclose(fp); } void top_main(void ) { int get_key; proc_cmp = &proc_cpu_cmp; if ( TT.delay < 0) TT.delay = 3; if (toys.optflags & FLAG_m) { proc_cmp = &top_mem_cmp; TT.m_flag = 1; } sigatexit(signal_handler); read_cpu_stat(); get_key = read_input(0); while (!(toys.optflags & FLAG_n) || TT.iterations--) { old_procs = new_procs; memcpy(old_cpu, new_cpu, sizeof(old_cpu)); read_procs(); read_cpu_stat(); print_procs(); free_procs_arr(old_procs); if ((toys.optflags & FLAG_n) && !TT.iterations) break; get_key = read_input(TT.delay); if (get_key == 'q') break; switch(get_key) { case 'n': proc_cmp = &proc_pid_cmp; TT.m_flag = 0; break; case 'h': if (!TT.m_flag) TT.threads ^= 1; break; case 'm': proc_cmp = &proc_vss_cmp; TT.m_flag = 0; break; case 'r': TT.reverse ^= 1; break; case 'c': case '1': TT.smp ^= 1; break; case 's': TT.m_flag = 1; TT.cmp_field = (TT.cmp_field + 1) % 7;//7 sort fields, vss,vssrw... proc_cmp = &top_mem_cmp; break; case 'p': proc_cmp = &proc_cpu_cmp; TT.m_flag = 0; break; case 't': proc_cmp = &proc_time_cmp; TT.m_flag = 0; break; case KEY_UP: TT.scroll_offset--; break; case KEY_DOWN: TT.scroll_offset++; break; case KEY_HOME: TT.scroll_offset = 0; break; case KEY_END: TT.scroll_offset = TT.num_new_procs - TT.rows/2; break; case KEY_PGUP: TT.scroll_offset -= TT.rows/2; break; case KEY_PGDN: TT.scroll_offset += TT.rows/2; break; } if (TT.scroll_offset >= TT.num_new_procs) TT.scroll_offset = TT.num_new_procs-1; if (TT.scroll_offset < 0) TT.scroll_offset = 0; } xputc('\n'); if (CFG_TOYBOX_FREE) { free_proc_list(free_procs); free_procs = NULL; free_procs_arr(new_procs); free_proc_list(free_procs); } }