diff options
Diffstat (limited to 'toolbox/ps.c')
| -rw-r--r-- | toolbox/ps.c | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/toolbox/ps.c b/toolbox/ps.c deleted file mode 100644 index 3b86fa2..0000000 --- a/toolbox/ps.c +++ /dev/null @@ -1,214 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <ctype.h> -#include <fcntl.h> - -#include <string.h> - -#include <sys/stat.h> -#include <sys/types.h> -#include <dirent.h> - -#include <pwd.h> - - -static char *nexttoksep(char **strp, char *sep) -{ - char *p = strsep(strp,sep); - return (p == 0) ? "" : p; -} -static char *nexttok(char **strp) -{ - return nexttoksep(strp, " "); -} - -#define SHOW_PRIO 1 -#define SHOW_TIME 2 - -static int display_flags = 0; - -static int ps_line(int pid, int tid, char *namefilter) -{ - char statline[1024]; - char cmdline[1024]; - char user[32]; - struct stat stats; - int fd, r; - char *ptr, *name, *state; - int ppid, tty; - unsigned wchan, rss, vss, eip; - unsigned utime, stime; - int prio, nice, rtprio, sched; - struct passwd *pw; - - sprintf(statline, "/proc/%d", pid); - stat(statline, &stats); - - if(tid) { - sprintf(statline, "/proc/%d/task/%d/stat", pid, tid); - cmdline[0] = 0; - } else { - sprintf(statline, "/proc/%d/stat", pid); - sprintf(cmdline, "/proc/%d/cmdline", pid); - fd = open(cmdline, O_RDONLY); - if(fd == 0) { - r = 0; - } else { - r = read(fd, cmdline, 1023); - close(fd); - if(r < 0) r = 0; - } - cmdline[r] = 0; - } - - fd = open(statline, O_RDONLY); - if(fd == 0) return -1; - r = read(fd, statline, 1023); - close(fd); - if(r < 0) return -1; - statline[r] = 0; - - ptr = statline; - nexttok(&ptr); // skip pid - ptr++; // skip "(" - - name = ptr; - ptr = strrchr(ptr, ')'); // Skip to *last* occurence of ')', - *ptr++ = '\0'; // and null-terminate name. - - ptr++; // skip " " - state = nexttok(&ptr); - ppid = atoi(nexttok(&ptr)); - nexttok(&ptr); // pgrp - nexttok(&ptr); // sid - tty = atoi(nexttok(&ptr)); - - nexttok(&ptr); // tpgid - nexttok(&ptr); // flags - nexttok(&ptr); // minflt - nexttok(&ptr); // cminflt - nexttok(&ptr); // majflt - nexttok(&ptr); // cmajflt -#if 1 - utime = atoi(nexttok(&ptr)); - stime = atoi(nexttok(&ptr)); -#else - nexttok(&ptr); // utime - nexttok(&ptr); // stime -#endif - nexttok(&ptr); // cutime - nexttok(&ptr); // cstime - prio = atoi(nexttok(&ptr)); - nice = atoi(nexttok(&ptr)); - nexttok(&ptr); // threads - nexttok(&ptr); // itrealvalue - nexttok(&ptr); // starttime - vss = strtoul(nexttok(&ptr), 0, 10); // vsize - rss = strtoul(nexttok(&ptr), 0, 10); // rss - nexttok(&ptr); // rlim - nexttok(&ptr); // startcode - nexttok(&ptr); // endcode - nexttok(&ptr); // startstack - nexttok(&ptr); // kstkesp - eip = strtoul(nexttok(&ptr), 0, 10); // kstkeip - nexttok(&ptr); // signal - nexttok(&ptr); // blocked - nexttok(&ptr); // sigignore - nexttok(&ptr); // sigcatch - wchan = strtoul(nexttok(&ptr), 0, 10); // wchan - nexttok(&ptr); // nswap - nexttok(&ptr); // cnswap - nexttok(&ptr); // exit signal - nexttok(&ptr); // processor - rtprio = atoi(nexttok(&ptr)); // rt_priority - sched = atoi(nexttok(&ptr)); // scheduling policy - - tty = atoi(nexttok(&ptr)); - - if(tid != 0) { - ppid = pid; - pid = tid; - } - - pw = getpwuid(stats.st_uid); - if(pw == 0) { - sprintf(user,"%d",(int)stats.st_uid); - } else { - strcpy(user,pw->pw_name); - } - - if(!namefilter || !strncmp(name, namefilter, strlen(namefilter))) { - printf("%-8s %-5d %-5d %-5d %-5d", user, pid, ppid, vss / 1024, rss * 4); - if(display_flags&SHOW_PRIO) - printf(" %-5d %-5d %-5d %-5d", prio, nice, rtprio, sched); - printf(" %08x %08x %s %s", wchan, eip, state, cmdline[0] ? cmdline : name); - if(display_flags&SHOW_TIME) - printf(" (u:%d, s:%d)", utime, stime); - printf("\n"); - } - return 0; -} - - -void ps_threads(int pid, char *namefilter) -{ - char tmp[128]; - DIR *d; - struct dirent *de; - - sprintf(tmp,"/proc/%d/task",pid); - d = opendir(tmp); - if(d == 0) return; - - while((de = readdir(d)) != 0){ - if(isdigit(de->d_name[0])){ - int tid = atoi(de->d_name); - if(tid == pid) continue; - ps_line(pid, tid, namefilter); - } - } - closedir(d); -} - -int ps_main(int argc, char **argv) -{ - DIR *d; - struct dirent *de; - char *namefilter = 0; - int pidfilter = 0; - int threads = 0; - - d = opendir("/proc"); - if(d == 0) return -1; - - while(argc > 1){ - if(!strcmp(argv[1],"-t")) { - threads = 1; - } else if(!strcmp(argv[1],"-x")) { - display_flags |= SHOW_TIME; - } else if(!strcmp(argv[1],"-p")) { - display_flags |= SHOW_PRIO; - } else if(isdigit(argv[1][0])){ - pidfilter = atoi(argv[1]); - } else { - namefilter = argv[1]; - } - argc--; - argv++; - } - - printf("USER PID PPID VSIZE RSS %sWCHAN PC NAME\n", - (display_flags&SHOW_PRIO)?"PRIO NICE RTPRI SCHED ":""); - while((de = readdir(d)) != 0){ - if(isdigit(de->d_name[0])){ - int pid = atoi(de->d_name); - if(!pidfilter || (pidfilter == pid)) { - ps_line(pid, 0, namefilter); - if(threads) ps_threads(pid, namefilter); - } - } - } - closedir(d); - return 0; -} - |