misc
This commit is contained in:
parent
792358ba42
commit
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4
NEWS
4
NEWS
@ -1,3 +1,7 @@
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procps-3.2.3 --> procps-3.2.4
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ps: more room for some columns
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procps-3.2.2 --> procps-3.2.3
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avoid truncating long usernames
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@ -26,3 +26,14 @@ s signal format
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u user-oriented format
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--forest ASCII art forest (process hierarchy)
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c show true command name
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List of man page translators:
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de Wed Jan 10 19:09:15 2001 by Martin Schulze <joey@infodrom.ffis.de>
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es 19 Jan 1999 by Diego Sevilla Ruiz (dsevilla@ditec.um.es)
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fr 09/06/1997 par Christophe Blaess (ccb@club-internet.fr)
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hu Horv#th Andr#s (the '#' is 'a' w/ '/') <horvatha@rs1.szif.hu>
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it Traduzione in italiano di Giovanni Bortolozzo <borto@dei.unipd.it>
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it Revisione parziale di Daniele Giacomini <daniele@evo.it> 30/03/1999
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ja Tue Nov 14 2000 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
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nl <manpages-nl@nl.linux.org>
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@ -119,6 +119,8 @@
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#define PER_SANE_USER 0x0200
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#define PER_HPUX_x 0x0400
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#define PER_SVR4_x 0x0800
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#define PER_BSD_COLS 0x1000
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#define PER_UNIX_COLS 0x2000
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/* Simple selections by bit mask */
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#define SS_B_x 0x01
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55
ps/global.c
55
ps/global.c
@ -16,6 +16,9 @@
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#include <pwd.h>
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#include <grp.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include "common.h"
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@ -95,24 +98,48 @@ static void reset_selection_list(void){
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selection_list = NULL;
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}
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/* The rules:
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* 1. Defaults are implementation-specific. (ioctl,termcap,guess)
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* 2. COLUMNS and LINES override the defaults. (standards compliance)
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* 3. Command line options override everything else.
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* 4. Actual output may be more if the above is too narrow.
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*/
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// The rules:
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// 1. Defaults are implementation-specific. (ioctl,termcap,guess)
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// 2. COLUMNS and LINES override the defaults. (standards compliance)
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// 3. Command line options override everything else.
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// 4. Actual output may be more if the above is too narrow.
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//
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// SysV tends to spew semi-wide output in all cases. The args
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// will be limited to 64 or 80 characters, without regard to
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// screen size. So lines of 120 to 160 chars are normal.
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// Tough luck if you want more or less than that! HP-UX has a
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// new "-x" option for 1024-char args in place of comm that
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// we'll implement at some point.
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//
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// BSD tends to make a good effort, then fall back to 80 cols.
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// Use "ww" to get infinity. This is nicer for "ps | less"
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// and "watch ps". It can run faster too.
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static void set_screen_size(void){
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struct winsize ws;
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char *columns; /* Unix98 environment variable */
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char *lines; /* Unix98 environment variable */
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if(ioctl(1, TIOCGWINSZ, &ws) != -1 && ws.ws_col>0 && ws.ws_row>0){
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screen_cols = ws.ws_col;
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screen_rows = ws.ws_row;
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}else{ /* TODO: ought to do tgetnum("co") and tgetnum("li") now */
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screen_cols = 80;
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screen_rows = 24;
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}
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do{
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int fd;
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if(ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1 && ws.ws_col>0 && ws.ws_row>0) break;
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if(ioctl(STDERR_FILENO, TIOCGWINSZ, &ws) != -1 && ws.ws_col>0 && ws.ws_row>0) break;
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if(ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) != -1 && ws.ws_col>0 && ws.ws_row>0) break;
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fd = open("/dev/tty", O_NOCTTY|O_NONBLOCK|O_RDONLY);
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if(fd != -1){
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int ret = ioctl(fd, TIOCGWINSZ, &ws);
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close(fd);
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if(ret != -1 && ws.ws_col>0 && ws.ws_row>0) break;
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}
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// TODO: ought to do tgetnum("co") and tgetnum("li") here
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ws.ws_col = 80;
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ws.ws_row = 24;
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}while(0);
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screen_cols = ws.ws_col; // hmmm, NetBSD subtracts 1
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screen_rows = ws.ws_row;
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// TODO: delete this line
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if(!isatty(STDOUT_FILENO)) screen_cols = OUTBUF_SIZE;
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columns = getenv("COLUMNS");
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if(columns && *columns){
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long t;
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@ -120,6 +147,7 @@ static void set_screen_size(void){
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t = strtol(columns, &endptr, 0);
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if(!*endptr && (t>0) && (t<(long)OUTBUF_SIZE)) screen_cols = (int)t;
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}
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lines = getenv("LINES");
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if(lines && *lines){
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long t;
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@ -127,6 +155,7 @@ static void set_screen_size(void){
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t = strtol(lines, &endptr, 0);
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if(!*endptr && (t>0) && (t<(long)OUTBUF_SIZE)) screen_rows = (int)t;
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}
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if((screen_cols<9) || (screen_rows<2))
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fprintf(stderr,"Your %dx%d screen size is bogus. Expect trouble.\n",
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screen_cols, screen_rows
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12
ps/output.c
12
ps/output.c
@ -1218,9 +1218,9 @@ static const format_struct format_array[] = {
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{"rgid", "RGID", pr_rgid, sr_rgid, 5, 0, XXX, ET|RIGHT},
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{"rgroup", "RGROUP", pr_rgroup, sr_rgroup, 8, GRP, U98, ET|USER}, /* was 8 wide */
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{"rlink", "RLINK", pr_nop, sr_nop, 8, 0, BSD, AN|RIGHT},
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{"rss", "RSS", pr_rss, sr_rss, 4, 0, XXX, PO|RIGHT}, /* was 5 wide */
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{"rssize", "RSS", pr_rss, sr_vm_rss, 4, 0, DEC, PO|RIGHT}, /*rsz*/
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{"rsz", "RSZ", pr_rss, sr_vm_rss, 4, 0, BSD, PO|RIGHT}, /*rssize*/
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{"rss", "RSS", pr_rss, sr_rss, 5, 0, XXX, PO|RIGHT}, /* was 5 wide */
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{"rssize", "RSS", pr_rss, sr_vm_rss, 5, 0, DEC, PO|RIGHT}, /*rsz*/
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{"rsz", "RSZ", pr_rss, sr_vm_rss, 5, 0, BSD, PO|RIGHT}, /*rssize*/
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{"rtprio", "RTPRIO", pr_rtprio, sr_rtprio, 6, 0, BSD, TO|RIGHT},
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{"ruid", "RUID", pr_ruid, sr_ruid, 5, 0, XXX, ET|RIGHT},
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{"ruser", "RUSER", pr_ruser, sr_ruser, 8, USR, U98, ET|USER},
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@ -1244,7 +1244,7 @@ static const format_struct format_array[] = {
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{"sigcatch", "CAUGHT", pr_sigcatch, sr_nop, 9, 0, XXX, TO|SIGNAL}, /*caught*/
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{"sigignore", "IGNORED", pr_sigignore,sr_nop, 9, 0, XXX, TO|SIGNAL}, /*ignored*/
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{"sigmask", "BLOCKED", pr_sigmask, sr_nop, 9, 0, XXX, TO|SIGNAL}, /*blocked*/
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{"size", "SZ", pr_swapable, sr_swapable, 1, 0, SCO, PO|RIGHT},
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{"size", "SZ", pr_swapable, sr_swapable, 5, 0, SCO, PO|RIGHT},
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{"sl", "SL", pr_nop, sr_nop, 3, 0, XXX, AN|RIGHT},
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{"spid", "SPID", pr_thread, sr_tid, 5, 0, SGI, TO|PIDMAX|RIGHT},
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{"stackp", "STACKP", pr_stackp, sr_start_stack, 8, 0, LNX, PO|RIGHT}, /*start_stack*/
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@ -1301,8 +1301,8 @@ static const format_struct format_array[] = {
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{"vm_lib", "LIB", pr_nop, sr_vm_lib, 5, 0, LNx, PO|RIGHT},
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{"vm_lock", "LCK", pr_nop, sr_vm_lock, 3, 0, LNx, PO|RIGHT},
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{"vm_stack", "STACK", pr_nop, sr_vm_stack, 5, 0, LNx, PO|RIGHT},
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{"vsize", "VSZ", pr_vsz, sr_vsize, 5, 0, DEC, PO|RIGHT}, /*vsz*/
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{"vsz", "VSZ", pr_vsz, sr_vm_size, 5, 0, U98, PO|RIGHT}, /*vsize*/
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{"vsize", "VSZ", pr_vsz, sr_vsize, 6, 0, DEC, PO|RIGHT}, /*vsz*/
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{"vsz", "VSZ", pr_vsz, sr_vm_size, 6, 0, U98, PO|RIGHT}, /*vsize*/
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{"wchan", "WCHAN", pr_wchan, sr_wchan, 6, WCH, XXX, TO|WCHAN}, /* BSD n forces this to nwchan */ /* was 10 wide */
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{"wname", "WCHAN", pr_wname, sr_nop, 6, WCH, SGI, TO|WCHAN}, /* opposite of nwchan */
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{"xstat", "XSTAT", pr_nop, sr_nop, 5, 0, BSD, AN|RIGHT},
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@ -218,10 +218,16 @@ parse_error:
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static const char *parse_sysv_option(void){
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const char *arg;
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const char *err;
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flagptr = ps_argv[thisarg];
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while(*++flagptr){
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/* Find any excuse to ignore stupid Unix98 misfeatures. */
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// Find any excuse to ignore stupid Unix98 misfeatures.
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//
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// This list of options is ONLY for those defined by the
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// "IEEE Std 1003.1, 2004 Edition", "ISO/IEC 9945:2003",
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// or "Version 2 of the Single Unix Specification".
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if(!strchr("aAdefgGlnoptuU", *flagptr)) not_pure_unix = 1;
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switch(*flagptr){
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case 'A':
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trace("-A selects all processes.\n");
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104
ps/ps.1
104
ps/ps.1
@ -60,26 +60,6 @@ displays information about a selection of the active processes.
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If you want a repetitive update of the selection and the
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displayed information, use\ \fItop\fR(1) instead.
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.P
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By default, \fBps\fR selects all processes with the same effective user
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ID (EUID) as the curent user and associated with the same terminal as the
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invoker. It displays the process ID (PID), the terminal (tty) associated
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with the process (TTY), the cumulated CPU time in [dd\-]hh:mm:ss format
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(TIME), and the executable name (CMD). The use of BSD\-style options
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will add process state (STAT) to the default display. The use of BSD\-style
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options will also change the process selection to include processes
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on other terminals (TTYs) that are owned by you; alternately, this may
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be described as setting the selection to be the set of all processes
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filtered to exclude processes owned by other users or not on a terminal.
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Output is unsorted by default.
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.P
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Except as described below, process selection options are additive.
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The default selection is discarded, and then the selected processes
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are added to the set of processes to be displayed.
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A\ process will thus be shown if it meets any of the selection
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criteria.
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.PP
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.PP
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.SH "COMMAND\-LINE OPTIONS"
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This version of \fBps\fR accepts several kinds of options:
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.PD 0
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.IP 1 4
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@ -103,6 +83,29 @@ not exist, this \fBps\fR may interpret the command as "\fBps\ aux\fR"
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instead and print a warning. This behavior is intended to aid in
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transitioning old scripts and habits. It is fragile, subject to change,
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and thus should not be relied upon.
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.P
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By default, \fBps\fR selects all processes with the same effective user
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ID (EUID) as the curent user and associated with the same terminal as the
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invoker. It displays the process ID (PID), the terminal associated
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with the process (TTY), the cumulated CPU time in [dd\-]hh:mm:ss format
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(TIME), and the executable name (CMD). Output is unsorted by default.
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.P
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The use of BSD\-style options will add process state (STAT) to the
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default display and show the command args (COMMAND) instead of the
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executable name. You can override this with the \fBPS_FORMAT\fR
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environment variable. The use of BSD\-style options will also change the
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process selection to include processes on other terminals (TTYs) that
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are owned by you; alternately, this may be described as setting the
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selection to be the set of all processes filtered to exclude
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processes owned by other users or not on a terminal. These effects
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are not considered when options are described as being "identical" below,
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so \fB\-M\fR will be considered identical to \fBZ\fR and so on.
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.P
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Except as described below, process selection options are additive.
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The default selection is discarded, and then the selected processes
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are added to the set of processes to be displayed.
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A\ process will thus be shown if it meets any of the given
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selection criteria.
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.PP
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.\" """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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.SH "EXAMPLES"
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@ -138,8 +141,8 @@ To get security info:
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.br
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.B ps\ -eM
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.TP
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To see every process except those running as root (real\ &\ effective\ ID)
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.B ps\ \-U\ root\ \-u\ root\ \-N
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To see every process running as root (real\ &\ effective\ ID) in user format:
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.B ps\ \-U\ root\ \-u\ root\ u
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.TP
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To see every process with a user\-defined format:
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.B ps\ \-eo\ pid,tid,class,rtprio,ni,pri,psr,pcpu,stat,wchan:14,comm
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@ -148,9 +151,6 @@ To see every process with a user\-defined format:
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.br
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.B ps\ \-eopid,tt,user,fname,tmout,f,wchan
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.TP
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Odd display with AIX field descriptors:
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.B ps\ \-o\ "%u\ :\ %U\ :\ %p\ :\ %a"
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.TP
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Print only the process IDs of syslogd:
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.B ps\ \-C\ syslogd\ \-o\ pid=
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.TP
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@ -167,6 +167,7 @@ Select all processes. Identical to \fB\-e\fR.
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.TP
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.B \-N
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Select all processes except those that fulfill the specified conditions.
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(negates the selection) Identical to \fB\-\-deselect\fR.
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.opt T
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Select all processes associated with this terminal. Identical to the
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@ -225,6 +226,7 @@ or to list all processes when used together with the \fBa\fR option.
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.TP
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.B \-\-deselect
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Select all processes except those that fulfill the specified conditions.
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(negates the selection) Identical to \fB\-N\fR.
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.\" """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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.PD
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@ -409,7 +411,7 @@ BSD\ personality.
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.TP
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.B \-M
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Add a column of security data. (for\ SE\ Linux)
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Add a column of security data. Identical to \fBZ\fR. (for\ SE\ Linux)
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.TP
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.B X
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@ -417,7 +419,7 @@ Register format.
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.TP
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.B Z
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Add a column of security data. (for\ SE\ Linux)
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Add a column of security data. Identical to \fB\-M\fR. (for\ SE\ Linux)
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.TP
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.B \-c
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@ -429,6 +431,8 @@ does full\-format listing. This option can be combined with many
|
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other UNIX\-style options to add additional columns. It also causes
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the command arguments to be printed. When used with \fB\-L\fR, the
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NLWP (number of threads) and LWP (thread ID) columns will be added.
|
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See the \fBc\fR option, the format keyword \fBargs\fR, and the
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format keyword \fBcomm\fR.
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.TP
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.B j
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@ -548,6 +552,8 @@ parent process repeatedly forks off short\-lived children to do work.
|
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Show the true command name. This is derived from the name of the
|
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executable file, rather than from the argv value which could be
|
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modified by a user. Command arguments are not shown.
|
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See the \fB\-f\fR option, the format keyword \fBargs\fR, and the
|
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format keyword \fBcomm\fR.
|
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|
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.TP
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.B e
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@ -928,9 +934,21 @@ the machine, expressed as a percentage. (alias\ \fBpmem\fR).
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T}
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|
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args COMMAND T{
|
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command with all its arguments as a string. May chop as desired.
|
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Modifications to the arguments are not shown. The output in this column
|
||||
may contain spaces. (alias\ \fBcmd\fR,\ \fBcommand\fR).
|
||||
command with all its arguments as a string. Modifications to the arguments
|
||||
may be shown. The output in this column may contain spaces.
|
||||
A\ process marked <defunct> is partly dead, waiting
|
||||
to be fully destroyed by its parent. Sometimes the process args
|
||||
will be unavailable; when this happens, \fBps\fR will instead
|
||||
print the executable name in brackets.
|
||||
(alias\ \fBcmd\fR,\ \fBcommand\fR). See also the \fBcomm\fR format
|
||||
keyword, the \fB\-f\fR option, and the \fBc\fR option.
|
||||
.br
|
||||
When specified last, this column will extend to the edge of the display.
|
||||
If \fBps\fR can not determine display width, as when output is redirected
|
||||
(piped) into a file or another command, the width of this column is undefined.
|
||||
The \fBCOLUMNS\fR environment variable or \fB\-\-cols\fR option may
|
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be used to exactly determine the width in this case.
|
||||
The \fBw\fR or \fB\-w\fR option may be also be used to adjust width.
|
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T}
|
||||
|
||||
blocked BLOCKED T{
|
||||
@ -998,8 +1016,19 @@ see \fBargs\fR. (alias\ \fBargs\fR,\ \fBcommand\fR).
|
||||
T}
|
||||
|
||||
comm COMMAND T{
|
||||
command name (only\ the executable\ name). The output in this
|
||||
command name (only\ the executable\ name). Modifications to the command
|
||||
name will not be shown. A\ process marked <defunct> is partly dead, waiting
|
||||
to be fully destroyed by its parent. The output in this
|
||||
column may contain spaces. (alias\ \fBucmd\fR,\ \fBucomm\fR).
|
||||
See also the \fBargs\fR format
|
||||
keyword, the \fB\-f\fR option, and the \fBc\fR option.
|
||||
.br
|
||||
When specified last, this column will extend to the edge of the display.
|
||||
If \fBps\fR can not determine display width, as when output is redirected
|
||||
(piped) into a file or another command, the width of this column is undefined.
|
||||
The \fBCOLUMNS\fR environment variable or \fB\-\-cols\fR option may
|
||||
be used to exactly determine the width in this case.
|
||||
The \fBw\fR or \fB\-w\fR option may be also be used to adjust width.
|
||||
T}
|
||||
|
||||
command COMMAND T{
|
||||
@ -1347,6 +1376,8 @@ T}
|
||||
sz SZ T{
|
||||
size in physical pages of the core image of the process.
|
||||
This includes text, data, and stack space.
|
||||
Device mappings are currently excluded; this is subject to change.
|
||||
See \fBvsz\fR and \fBrss\fR.
|
||||
T}
|
||||
|
||||
thcount THCNT T{
|
||||
@ -1402,12 +1433,13 @@ see \fBeuser\fR. (alias\ \fBeuser\fR,\ \fBuname\fR).
|
||||
T}
|
||||
|
||||
vsize VSZ T{
|
||||
virtual memory usage of entire process.
|
||||
vm_lib\ +\ vm_exe\ +\ vm_data\ +\ vm_stack
|
||||
see \fBvsz\fR. (alias\ \fBvsz\fR).
|
||||
T}
|
||||
|
||||
vsz VSZ T{
|
||||
see \fBvsize\fR. (alias\ \fBvsize\fR).
|
||||
virtual memory size of the process in KiB (1024\-byte\ units).
|
||||
Device mappings are currently excluded; this is subject to change.
|
||||
(alias\ \fBvsize\fR).
|
||||
T}
|
||||
|
||||
wchan WCHAN T{
|
||||
@ -1447,7 +1479,9 @@ Date format.
|
||||
Not currently supported.
|
||||
.TP
|
||||
.B PS_FORMAT
|
||||
Default output format override.
|
||||
Default output format override. You may set this to a format
|
||||
string of the type used for the \fB\-o\fR option.
|
||||
The \fBDefSysV\fR and \fBDefBSD\fR values are particularly useful.
|
||||
.TP
|
||||
.B PS_SYSMAP
|
||||
Default namelist (System.map) location.
|
||||
|
20
sysctl.conf
20
sysctl.conf
@ -1,21 +1,38 @@
|
||||
# /etc/sysctl.conf - Configuration file for setting system variables
|
||||
# See sysctl.conf (5) for information.
|
||||
|
||||
# you can have the CD-ROM close when you use it, and open
|
||||
# when you are done.
|
||||
#dev.cdrom.autoeject = 1
|
||||
#dev.cdrom.autoclose = 1
|
||||
|
||||
# protection from the SYN flood attack
|
||||
net/ipv4/tcp_syncookies=1
|
||||
|
||||
# see the evil packets in your log files
|
||||
net/ipv4/conf/all/log_martians=1
|
||||
|
||||
# makes you vulnerable or not :-)
|
||||
net/ipv4/conf/all/accept_redirects=0
|
||||
net/ipv4/conf/all/accept_source_route=0
|
||||
net/ipv4/icmp_echo_ignore_broadcasts =1
|
||||
|
||||
# needed for routing, including masquerading or NAT
|
||||
#net/ipv4/ip_forward=1
|
||||
|
||||
# sets the port range used for outgoing connections
|
||||
#net.ipv4.ip_local_port_range = 32768 61000
|
||||
|
||||
# Broken routers will corrupt the window scaling and ECN
|
||||
# Broken routers and obsolete firewalls will corrupt the window scaling
|
||||
# and ECN. Set these values to 0 to disable window scaling and ECN.
|
||||
# This may, rarely, cause some performance loss when running high-speed
|
||||
# TCP/IP over huge distances or running TCP/IP over connections with high
|
||||
# packet loss and modern routers. This sure beats dropped connections.
|
||||
#net.ipv4.tcp_default_win_scale = 0
|
||||
#net.ipv4.tcp_ecn = 0
|
||||
|
||||
# Swapping too much or not enough? Disks spinning up when you'd
|
||||
# rather they didn't? Tweak these.
|
||||
#vm.vfs_cache_pressure = 100
|
||||
#vm.laptop_mode = 0
|
||||
#vm.swappiness = 60
|
||||
@ -31,6 +48,7 @@ net/ipv4/icmp_echo_ignore_broadcasts =1
|
||||
#kernel.sysrq = 1
|
||||
|
||||
# Change name of core file to start with the command name
|
||||
# so you get things like: emacs.core mozilla-bin.core X.core
|
||||
#kernel.core_pattern = %e.core
|
||||
|
||||
# NIS/YP domain (not always equal to DNS domain)
|
||||
|
Loading…
Reference in New Issue
Block a user