w: add --pids option to display the pid of the login and best processes.
This commit is contained in:
Jan Pazdziora
Craig Small
parent
3cfe83a25c
commit
5baf1e6226
3
man/w.1
3
man/w.1
|
|
@ -56,6 +56,9 @@ Display help text and exit.
|
|||
\fB\-i\fR, \fB\-\-ip\-addr\fR
|
||||
Display IP address instead of hostname for \fBfrom\fR field.
|
||||
.TP
|
||||
\fB\-p\fR, \fB\-\-pids\fR
|
||||
Display pid of the login process/the "what" process in the "what" field.
|
||||
.TP
|
||||
\fB\-V\fR, \fB\-\-version\fR
|
||||
Display version information.
|
||||
.TP
|
||||
|
|
|
|||
38
src/w.c
38
src/w.c
|
|
@ -357,7 +357,8 @@ static int find_best_proc(
|
|||
const char *restrict const tty,
|
||||
unsigned long long *restrict const jcpu,
|
||||
unsigned long long *restrict const pcpu,
|
||||
char *cmdline)
|
||||
char *cmdline,
|
||||
pid_t *pid)
|
||||
{
|
||||
#define PIDS_GETINT(e) PIDS_VAL(EU_ ## e, s_int, reap->stacks[i], info)
|
||||
#define PIDS_GETUNT(e) PIDS_VAL(EU_ ## e, u_int, reap->stacks[i], info)
|
||||
|
|
@ -372,6 +373,7 @@ static int find_best_proc(
|
|||
struct pids_info *info=NULL;
|
||||
struct pids_fetch *reap;
|
||||
enum pids_item items[] = {
|
||||
PIDS_ID_PID,
|
||||
PIDS_ID_TGID,
|
||||
PIDS_TICS_BEGAN,
|
||||
PIDS_ID_EUID,
|
||||
|
|
@ -382,7 +384,7 @@ static int find_best_proc(
|
|||
PIDS_TICS_ALL,
|
||||
PIDS_CMDLINE};
|
||||
enum rel_items {
|
||||
EU_TGID, EU_START, EU_EUID, EU_RUID, EU_TPGID, EU_PGRP, EU_TTY,
|
||||
EU_PID, EU_TGID, EU_START, EU_EUID, EU_RUID, EU_TPGID, EU_PGRP, EU_TTY,
|
||||
EU_TICS_ALL, EU_CMDLINE};
|
||||
|
||||
*jcpu = 0;
|
||||
|
|
@ -400,7 +402,7 @@ static int find_best_proc(
|
|||
|
||||
line = get_tty_device(tty);
|
||||
|
||||
if (procps_pids_new(&info, items, 9) < 0)
|
||||
if (procps_pids_new(&info, items, 10) < 0)
|
||||
xerrx(EXIT_FAILURE,
|
||||
_("Unable to create pid info structure"));
|
||||
if ((reap = procps_pids_reap(info, PIDS_FETCH_TASKS_ONLY)) == NULL)
|
||||
|
|
@ -415,6 +417,7 @@ static int find_best_proc(
|
|||
if (!best_time) {
|
||||
best_time = PIDS_GETULL(START);
|
||||
strncpy(cmdline, PIDS_GETSTR(CMDLINE), MAX_CMD_WIDTH);
|
||||
*pid = PIDS_GETULL(PID);
|
||||
*pcpu = PIDS_GETULL(TICS_ALL);
|
||||
}
|
||||
|
||||
|
|
@ -426,6 +429,7 @@ static int find_best_proc(
|
|||
secondbest_time = PIDS_GETULL(START);
|
||||
if (cmdline[0] == '-' && cmdline[1] == '\0') {
|
||||
strncpy(cmdline, PIDS_GETSTR(CMDLINE), MAX_CMD_WIDTH);
|
||||
*pid = PIDS_GETULL(PID);
|
||||
*pcpu = PIDS_GETULL(TICS_ALL);
|
||||
}
|
||||
}
|
||||
|
|
@ -438,6 +442,7 @@ static int find_best_proc(
|
|||
continue;
|
||||
best_time = PIDS_GETULL(START);
|
||||
strncpy(cmdline, PIDS_GETSTR(CMDLINE), MAX_CMD_WIDTH);
|
||||
*pid = PIDS_GETULL(PID);
|
||||
*pcpu = PIDS_GETULL(TICS_ALL);
|
||||
}
|
||||
procps_pids_unref(&info);
|
||||
|
|
@ -450,13 +455,16 @@ static int find_best_proc(
|
|||
|
||||
static void showinfo(
|
||||
utmp_t * u, int formtype, int maxcmd, int from,
|
||||
const int userlen, const int fromlen, const int ip_addresses)
|
||||
const int userlen, const int fromlen, const int ip_addresses,
|
||||
const int pids)
|
||||
{
|
||||
unsigned long long jcpu, pcpu;
|
||||
unsigned i;
|
||||
char uname[UT_NAMESIZE + 1] = "", tty[5 + UT_LINESIZE + 1] = "/dev/";
|
||||
long hertz;
|
||||
char cmdline[MAX_CMD_WIDTH + 1];
|
||||
pid_t best_pid;
|
||||
int pids_length = 0;
|
||||
|
||||
strcpy(cmdline, "-");
|
||||
|
||||
|
|
@ -468,7 +476,7 @@ static void showinfo(
|
|||
else
|
||||
tty[i + 5] = '\0';
|
||||
|
||||
if (find_best_proc(u, tty + 5, &jcpu, &pcpu, cmdline) == 0)
|
||||
if (find_best_proc(u, tty + 5, &jcpu, &pcpu, cmdline, &best_pid) == 0)
|
||||
/*
|
||||
* just skip if stale utmp entry (i.e. login proc doesn't
|
||||
* exist). If there is a desire a cmdline flag could be
|
||||
|
|
@ -513,6 +521,14 @@ static void showinfo(
|
|||
else
|
||||
print_time_ival7(idletime(tty), 0, stdout);
|
||||
}
|
||||
if (pids) {
|
||||
pids_length = printf(" %d/%d", u->ut_pid, best_pid);
|
||||
if (pids_length > maxcmd) {
|
||||
maxcmd = 0;
|
||||
} else if (pids_length > 0) {
|
||||
maxcmd -= pids_length;
|
||||
}
|
||||
}
|
||||
printf(" %.*s\n", maxcmd, cmdline);
|
||||
}
|
||||
|
||||
|
|
@ -529,6 +545,7 @@ static void __attribute__ ((__noreturn__))
|
|||
fputs(_(" -f, --from show remote hostname field\n"),out);
|
||||
fputs(_(" -o, --old-style old style output\n"),out);
|
||||
fputs(_(" -i, --ip-addr display IP address instead of hostname (if possible)\n"), out);
|
||||
fputs(_(" -p, --pids show the PID(s) of processes in WHAT\n"), out);
|
||||
fputs(USAGE_SEPARATOR, out);
|
||||
fputs(_(" --help display this help and exit\n"), out);
|
||||
fputs(USAGE_VERSION, out);
|
||||
|
|
@ -553,6 +570,7 @@ int main(int argc, char **argv)
|
|||
int longform = 1;
|
||||
int from = 1;
|
||||
int ip_addresses = 0;
|
||||
int pids = 0;
|
||||
|
||||
enum {
|
||||
HELP_OPTION = CHAR_MAX + 1
|
||||
|
|
@ -565,6 +583,7 @@ int main(int argc, char **argv)
|
|||
{"from", no_argument, NULL, 'f'},
|
||||
{"old-style", no_argument, NULL, 'o'},
|
||||
{"ip-addr", no_argument, NULL, 'i'},
|
||||
{"pids", no_argument, NULL, 'p'},
|
||||
{"help", no_argument, NULL, HELP_OPTION},
|
||||
{"version", no_argument, NULL, 'V'},
|
||||
{NULL, 0, NULL, 0}
|
||||
|
|
@ -583,7 +602,7 @@ int main(int argc, char **argv)
|
|||
#endif
|
||||
|
||||
while ((ch =
|
||||
getopt_long(argc, argv, "husfoVi", longopts, NULL)) != -1)
|
||||
getopt_long(argc, argv, "husfoVip", longopts, NULL)) != -1)
|
||||
switch (ch) {
|
||||
case 'h':
|
||||
header = 0;
|
||||
|
|
@ -607,6 +626,9 @@ int main(int argc, char **argv)
|
|||
ip_addresses = 1;
|
||||
from = 1;
|
||||
break;
|
||||
case 'p':
|
||||
pids = 1;
|
||||
break;
|
||||
case HELP_OPTION:
|
||||
usage(stdout);
|
||||
default:
|
||||
|
|
@ -686,7 +708,7 @@ int main(int argc, char **argv)
|
|||
continue;
|
||||
if (!strncmp(u->ut_user, user, UT_NAMESIZE))
|
||||
showinfo(u, longform, maxcmd, from, userlen,
|
||||
fromlen, ip_addresses);
|
||||
fromlen, ip_addresses, pids);
|
||||
}
|
||||
} else {
|
||||
for (;;) {
|
||||
|
|
@ -701,7 +723,7 @@ int main(int argc, char **argv)
|
|||
continue;
|
||||
if (*u->ut_user)
|
||||
showinfo(u, longform, maxcmd, from, userlen,
|
||||
fromlen, ip_addresses);
|
||||
fromlen, ip_addresses, pids);
|
||||
}
|
||||
}
|
||||
#ifdef HAVE_UTMPX_H
|
||||
|
|
|
|||
|
|
@ -17,10 +17,12 @@ set w_login "\(\\d+\[A-Z\]\[a-z\]{2}\\d+\|\[A-Z\]\[a-z\]{2}\\d+\|\\d+:\\d+\)"
|
|||
set w_idle "\(\\?xdm\\?\|\\?\|\\d+days\|\\d+:\\d+m?\|\\d+.\\d+s\)"
|
||||
set w_ival7 "\(\\?\|\\d+days\|\\d+:\\d+m?\|\\d+.\\d+s\)"
|
||||
set w_what "\[A-Za-z0-9_\/\\-\]+"
|
||||
set w_pids "\\d+/\\d+"
|
||||
set w_std_userlines "\(${w_user}\\s+${w_tty}\\s+${w_login}\\s+${w_idle}\\s+${w_ival7}\\s+${w_ival7}\\s+${w_what}\\s*\)*"
|
||||
set w_short_userlines "\(${w_user}\\s+${w_tty}\\s+${w_idle}\\s+${w_what}\\s*\)*"
|
||||
set w_from_userlines "\(${w_user}\\s+${w_tty}\\s+${w_from}\\s+${w_login}\\s+${w_idle}\\s+${w_ival7}\\s+${w_ival7}\\s+${w_what}\\s*\)*"
|
||||
set w_fromshort_userlines "\(${w_user}\\s+${w_tty}\\s+${w_from}\\s+${w_idle}\\s+${w_what}\\s*\)*"
|
||||
set w_pid_userlines "\(${w_user}\\s+${w_tty}\\s+${w_idle}\\s+%{w_pids}\s+${w_what}\\s*\)*"
|
||||
|
||||
set test "w with no arguments"
|
||||
spawn $w
|
||||
|
|
@ -51,3 +53,7 @@ set test "w with short and from flags"
|
|||
spawn $w -sf
|
||||
expect_pass "$test" "^${w_fromshort_header}${w_fromshort_userlines}"
|
||||
|
||||
set test "w with pids display"
|
||||
spawn $w -p
|
||||
expect_pass "$test" "^${w_std_header}${w_pid_userlines}"
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue