Add a -d option to ps to display descendant info with the output.
This is similar to linux's -H (or -f) switch. MFC after: 3 weeks
This commit is contained in:
Brian Somers
parent
ea41c77517
commit
044fce530f
@ -130,9 +130,11 @@ command(KINFO *k, VARENT *ve)
|
||||
if (cflag) {
|
||||
/* If it is the last field, then don't pad */
|
||||
if (STAILQ_NEXT(ve, next_ve) == NULL) {
|
||||
if (k->ki_d.prefix)
|
||||
(void)printf("%s", k->ki_d.prefix);
|
||||
(void)printf("%s", k->ki_p->ki_comm);
|
||||
if (showthreads && k->ki_p->ki_numthreads > 1)
|
||||
printf("/%s", k->ki_p->ki_ocomm);
|
||||
(void)printf("/%s", k->ki_p->ki_ocomm);
|
||||
} else
|
||||
(void)printf("%-*s", v->width, k->ki_p->ki_comm);
|
||||
return;
|
||||
@ -140,16 +142,22 @@ command(KINFO *k, VARENT *ve)
|
||||
if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
|
||||
errx(1, "malloc failed");
|
||||
strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
|
||||
if (k->ki_env) {
|
||||
if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL)
|
||||
errx(1, "malloc failed");
|
||||
strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH);
|
||||
} else
|
||||
vis_env = NULL;
|
||||
|
||||
if (STAILQ_NEXT(ve, next_ve) == NULL) {
|
||||
/* last field */
|
||||
|
||||
if (k->ki_env) {
|
||||
if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1))
|
||||
== NULL)
|
||||
errx(1, "malloc failed");
|
||||
strvis(vis_env, k->ki_env,
|
||||
VIS_TAB | VIS_NL | VIS_NOSLASH);
|
||||
} else
|
||||
vis_env = NULL;
|
||||
|
||||
if (termwidth == UNLIMITED) {
|
||||
if (k->ki_d.prefix)
|
||||
(void)printf("%s", k->ki_d.prefix);
|
||||
if (vis_env)
|
||||
(void)printf("%s ", vis_env);
|
||||
(void)printf("%s", vis_args);
|
||||
@ -157,6 +165,9 @@ command(KINFO *k, VARENT *ve)
|
||||
left = termwidth - (totwidth - v->width);
|
||||
if (left < 1) /* already wrapped, just use std width */
|
||||
left = v->width;
|
||||
if ((cp = k->ki_d.prefix) != NULL)
|
||||
while (--left >= 0 && *cp)
|
||||
(void)putchar(*cp++);
|
||||
if ((cp = vis_env) != NULL) {
|
||||
while (--left >= 0 && *cp)
|
||||
(void)putchar(*cp++);
|
||||
@ -166,12 +177,12 @@ command(KINFO *k, VARENT *ve)
|
||||
for (cp = vis_args; --left >= 0 && *cp != '\0';)
|
||||
(void)putchar(*cp++);
|
||||
}
|
||||
if (vis_env != NULL)
|
||||
free(vis_env);
|
||||
} else
|
||||
/* XXX env? */
|
||||
/* ki_d.prefix & ki_env aren't shown for interim fields */
|
||||
(void)printf("%-*.*s", v->width, v->width, vis_args);
|
||||
free(vis_args);
|
||||
if (vis_env != NULL)
|
||||
free(vis_env);
|
||||
}
|
||||
|
||||
void
|
||||
@ -182,6 +193,8 @@ ucomm(KINFO *k, VARENT *ve)
|
||||
|
||||
v = ve->var;
|
||||
if (STAILQ_NEXT(ve, next_ve) == NULL) { /* last field, don't pad */
|
||||
if (k->ki_d.prefix)
|
||||
(void)printf("%s", k->ki_d.prefix);
|
||||
(void)printf("%s", k->ki_p->ki_comm);
|
||||
if (showthreads && k->ki_p->ki_numthreads > 1)
|
||||
printf("/%s", k->ki_p->ki_ocomm);
|
||||
|
||||
13
bin/ps/ps.1
13
bin/ps/ps.1
@ -29,7 +29,7 @@
|
||||
.\" @(#)ps.1 8.3 (Berkeley) 4/18/94
|
||||
.\" $FreeBSD$
|
||||
.\"
|
||||
.Dd August 21, 2006
|
||||
.Dd May 16, 2009
|
||||
.Dt PS 1
|
||||
.Os
|
||||
.Sh NAME
|
||||
@ -37,7 +37,7 @@
|
||||
.Nd process status
|
||||
.Sh SYNOPSIS
|
||||
.Nm
|
||||
.Op Fl aCcefHhjlmrSTuvwXxZ
|
||||
.Op Fl aCcdefHhjlmrSTuvwXxZ
|
||||
.Op Fl O Ar fmt | Fl o Ar fmt
|
||||
.Op Fl G Ar gid Ns Op , Ns Ar gid Ns Ar ...
|
||||
.Op Fl M Ar core
|
||||
@ -122,6 +122,15 @@ CPU calculation that ignores
|
||||
.Dq resident
|
||||
time (this normally has
|
||||
no effect).
|
||||
.It Fl d
|
||||
Arrange processes into descendancy order and prefix each command with
|
||||
indentation text showing sibling and parent/child relationships.
|
||||
If either of the
|
||||
.Fl m
|
||||
and
|
||||
.Fl r
|
||||
options are also used, they control how sibling processes are sorted
|
||||
relative to eachother.
|
||||
.It Fl e
|
||||
Display the environment as well.
|
||||
.It Fl f
|
||||
|
||||
132
bin/ps/ps.c
132
bin/ps/ps.c
@ -138,6 +138,7 @@ static int addelem_pid(struct listinfo *, const char *);
|
||||
static int addelem_tty(struct listinfo *, const char *);
|
||||
static int addelem_uid(struct listinfo *, const char *);
|
||||
static void add_list(struct listinfo *, const char *);
|
||||
static void descendant_sort(KINFO *, int);
|
||||
static void dynsizevars(KINFO *);
|
||||
static void *expand_list(struct listinfo *);
|
||||
static const char *
|
||||
@ -163,7 +164,7 @@ static char vfmt[] = "pid,state,time,sl,re,pagein,vsz,rss,lim,tsiz,"
|
||||
"%cpu,%mem,command";
|
||||
static char Zfmt[] = "label";
|
||||
|
||||
#define PS_ARGS "AaCce" OPT_LAZY_f "G:gHhjLlM:mN:O:o:p:rSTt:U:uvwXxZ"
|
||||
#define PS_ARGS "AaCcde" OPT_LAZY_f "G:gHhjLlM:mN:O:o:p:rSTt:U:uvwXxZ"
|
||||
|
||||
int
|
||||
main(int argc, char *argv[])
|
||||
@ -177,7 +178,7 @@ main(int argc, char *argv[])
|
||||
const char *nlistf, *memf;
|
||||
char *cols;
|
||||
int all, ch, elem, flag, _fmt, i, lineno;
|
||||
int nentries, nkept, nselectors;
|
||||
int descendancy, nentries, nkept, nselectors;
|
||||
int prtheader, wflag, what, xkeep, xkeep_implied;
|
||||
char errbuf[_POSIX2_LINE_MAX];
|
||||
|
||||
@ -201,7 +202,7 @@ main(int argc, char *argv[])
|
||||
if (argc > 1)
|
||||
argv[1] = kludge_oldps_options(PS_ARGS, argv[1], argv[2]);
|
||||
|
||||
all = _fmt = nselectors = optfatal = 0;
|
||||
all = descendancy = _fmt = nselectors = optfatal = 0;
|
||||
prtheader = showthreads = wflag = xkeep_implied = 0;
|
||||
xkeep = -1; /* Neither -x nor -X. */
|
||||
init_list(&gidlist, addelem_gid, sizeof(gid_t), "group");
|
||||
@ -233,6 +234,9 @@ main(int argc, char *argv[])
|
||||
case 'c':
|
||||
cflag = 1;
|
||||
break;
|
||||
case 'd':
|
||||
descendancy = 1;
|
||||
break;
|
||||
case 'e': /* XXX set ufmt */
|
||||
needenv = 1;
|
||||
break;
|
||||
@ -575,6 +579,8 @@ main(int argc, char *argv[])
|
||||
keepit:
|
||||
next_KINFO = &kinfo[nkept];
|
||||
next_KINFO->ki_p = kp;
|
||||
next_KINFO->ki_d.level = 0;
|
||||
next_KINFO->ki_d.prefix = NULL;
|
||||
next_KINFO->ki_pcpu = getpcpu(next_KINFO);
|
||||
if (sortby == SORTMEM)
|
||||
next_KINFO->ki_memsize = kp->ki_tsize +
|
||||
@ -599,6 +605,13 @@ main(int argc, char *argv[])
|
||||
* sort proc list
|
||||
*/
|
||||
qsort(kinfo, nkept, sizeof(KINFO), pscomp);
|
||||
|
||||
/*
|
||||
* We want things in descendant order
|
||||
*/
|
||||
if (descendancy)
|
||||
descendant_sort(kinfo, nkept);
|
||||
|
||||
/*
|
||||
* For each process, call each variable output function.
|
||||
*/
|
||||
@ -622,6 +635,9 @@ main(int argc, char *argv[])
|
||||
free_list(&sesslist);
|
||||
free_list(&ttylist);
|
||||
free_list(&uidlist);
|
||||
for (i = 0; i < nkept; i++)
|
||||
free(kinfo[i].ki_d.prefix);
|
||||
free(kinfo);
|
||||
|
||||
exit(eval);
|
||||
}
|
||||
@ -890,6 +906,116 @@ add_list(struct listinfo *inf, const char *argp)
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
descendant_sort(KINFO *ki, int items)
|
||||
{
|
||||
int dst, lvl, maxlvl, n, ndst, nsrc, siblings, src;
|
||||
unsigned char *path;
|
||||
KINFO kn;
|
||||
|
||||
/*
|
||||
* First, sort the entries by descendancy, tracking the descendancy
|
||||
* depth in the ki_d.level field.
|
||||
*/
|
||||
src = 0;
|
||||
maxlvl = 0;
|
||||
while (src < items) {
|
||||
if (ki[src].ki_d.level) {
|
||||
src++;
|
||||
continue;
|
||||
}
|
||||
for (nsrc = 1; src + nsrc < items; nsrc++)
|
||||
if (!ki[src + nsrc].ki_d.level)
|
||||
break;
|
||||
|
||||
for (dst = 0; dst < items; dst++) {
|
||||
if (ki[dst].ki_p->ki_pid == ki[src].ki_p->ki_pid)
|
||||
continue;
|
||||
if (ki[dst].ki_p->ki_pid == ki[src].ki_p->ki_ppid)
|
||||
break;
|
||||
}
|
||||
|
||||
if (dst == items) {
|
||||
src += nsrc;
|
||||
continue;
|
||||
}
|
||||
|
||||
for (ndst = 1; dst + ndst < items; ndst++)
|
||||
if (ki[dst + ndst].ki_d.level <= ki[dst].ki_d.level)
|
||||
break;
|
||||
|
||||
for (n = src; n < src + nsrc; n++) {
|
||||
ki[n].ki_d.level += ki[dst].ki_d.level + 1;
|
||||
if (maxlvl < ki[n].ki_d.level)
|
||||
maxlvl = ki[n].ki_d.level;
|
||||
}
|
||||
|
||||
while (nsrc) {
|
||||
if (src < dst) {
|
||||
kn = ki[src];
|
||||
memmove(ki + src, ki + src + 1,
|
||||
(dst - src + ndst - 1) * sizeof *ki);
|
||||
ki[dst + ndst - 1] = kn;
|
||||
nsrc--;
|
||||
dst--;
|
||||
ndst++;
|
||||
} else if (src != dst + ndst) {
|
||||
kn = ki[src];
|
||||
memmove(ki + dst + ndst + 1, ki + dst + ndst,
|
||||
(src - dst - ndst) * sizeof *ki);
|
||||
ki[dst + ndst] = kn;
|
||||
ndst++;
|
||||
nsrc--;
|
||||
src++;
|
||||
} else {
|
||||
ndst += nsrc;
|
||||
src += nsrc;
|
||||
nsrc = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Now populate ki_d.prefix (instead of ki_d.level) with the command
|
||||
* prefix used to show descendancies.
|
||||
*/
|
||||
path = malloc((maxlvl + 7) / 8);
|
||||
memset(path, '\0', (maxlvl + 7) / 8);
|
||||
for (src = 0; src < items; src++) {
|
||||
if ((lvl = ki[src].ki_d.level) == 0) {
|
||||
ki[src].ki_d.prefix = NULL;
|
||||
continue;
|
||||
}
|
||||
if ((ki[src].ki_d.prefix = malloc(lvl * 2 + 1)) == NULL)
|
||||
errx(1, "malloc failed");
|
||||
for (n = 0; n < lvl - 2; n++) {
|
||||
ki[src].ki_d.prefix[n * 2] =
|
||||
path[n / 8] & 1 << (n % 8) ? '|' : ' ';
|
||||
ki[src].ki_d.prefix[n * 2 + 1] = ' ';
|
||||
|
||||
}
|
||||
if (n == lvl - 2) {
|
||||
/* Have I any more siblings? */
|
||||
for (siblings = 0, dst = src + 1; dst < items; dst++) {
|
||||
if (ki[dst].ki_d.level > lvl)
|
||||
continue;
|
||||
if (ki[dst].ki_d.level == lvl)
|
||||
siblings = 1;
|
||||
break;
|
||||
}
|
||||
if (siblings)
|
||||
path[n / 8] |= 1 << (n % 8);
|
||||
else
|
||||
path[n / 8] &= ~(1 << (n % 8));
|
||||
ki[src].ki_d.prefix[n * 2] = siblings ? '|' : '`';
|
||||
ki[src].ki_d.prefix[n * 2 + 1] = '-';
|
||||
n++;
|
||||
}
|
||||
strcpy(ki[src].ki_d.prefix + n * 2, "- ");
|
||||
}
|
||||
free(path);
|
||||
}
|
||||
|
||||
static void *
|
||||
expand_list(struct listinfo *inf)
|
||||
{
|
||||
|
||||
@ -42,6 +42,10 @@ typedef struct kinfo {
|
||||
int ki_valid; /* 1 => uarea stuff valid */
|
||||
double ki_pcpu; /* calculated in main() */
|
||||
segsz_t ki_memsize; /* calculated in main() */
|
||||
union {
|
||||
int level; /* used in decendant_sort() */
|
||||
char *prefix; /* calculated in decendant_sort() */
|
||||
} ki_d;
|
||||
} KINFO;
|
||||
|
||||
/* Variables. */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user