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diff -burN procps-3.2.8/ps/output.c procps-3.2.8.cgroups/ps/output.c
--- procps-3.2.8/ps/output.c 2009-05-10 14:24:50.000000000 -0500
+++ procps-3.2.8.cgroups/ps/output.c 2010-12-04 12:35:56.000000000 -0600
@@ -1099,6 +1099,39 @@
return snprintf(outbuf, COLWID, "*");
}
+static int pr_cgroup(char *restrict const outbuf, const proc_t *restrict const pp){
+ char filename[48];
+ FILE *fd;
+ int counter = 0;
+ int c;
+ int is_cgroup = 0;
+
+ outbuf[0]='\0';
+ snprintf(filename, sizeof filename, "/proc/%d/cgroup", pp->tgid);
+ fd = fopen(filename, "r");
+ if (likely(fd == NULL)) goto fail;
+ while (( (c = fgetc(fd)) != EOF) && (counter<665)) {
+ if (is_cgroup == 0) {
+ if (c == ':') {
+ is_cgroup = 1;
+ if (counter>0)
+ outbuf[counter++]=';';
+ }
+ }else
+ if ((c == '\n') || (c == '\0'))
+ is_cgroup = 0;
+ else
+ outbuf[counter++]=c;
+ }
+ outbuf[counter]='\0';
+ close(fd);
+ if (counter>0)
+ return counter;
+fail:
+ outbuf[0] = '-';
+ outbuf[1] = '\0';
+ return 1;
+}
/****************** FLASK & seLinux security stuff **********************/
// move the bulk of this to libproc sometime
@@ -1293,6 +1326,7 @@
{"bsdtime", "TIME", pr_bsdtime, sr_nop, 6, 0, LNX, ET|RIGHT},
{"c", "C", pr_c, sr_pcpu, 2, 0, SUN, ET|RIGHT},
{"caught", "CAUGHT", pr_sigcatch, sr_nop, 9, 0, BSD, TO|SIGNAL}, /*sigcatch*/
+{"cgroup", "CGROUP", pr_cgroup, sr_nop, 35, 0, LNX, PO|LEFT}, /* cgroups*/
{"class", "CLS", pr_class, sr_sched, 3, 0, XXX, TO|LEFT},
{"cls", "CLS", pr_class, sr_sched, 3, 0, HPU, TO|RIGHT}, /*says HPUX or RT*/
{"cmaj_flt", "-", pr_nop, sr_cmaj_flt, 1, 0, LNX, AN|RIGHT},
diff -burN procps-3.2.8/ps/ps.1 procps-3.2.8.cgroups/ps/ps.1
--- procps-3.2.8/ps/ps.1 2009-05-10 14:38:17.000000000 -0500
+++ procps-3.2.8.cgroups/ps/ps.1 2010-12-04 12:43:12.000000000 -0600
@@ -904,6 +904,10 @@
displayed. (alias\ \fBsig_catch\fR,\ \fBsigcatch\fR).
T}
+cgroup CGROUP T{
+display control groups to which the process belongs.
+T}
+
class CLS T{
scheduling class of the process. (alias\ \fBpolicy\fR,\ \fBcls\fR).
Field's possible values are:
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