152 lines
5.2 KiB
Diff
152 lines
5.2 KiB
Diff
--- procps-3.2.7/ps/display.c
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+++ procps-3.2.7/ps/display.c 2008-03-06 09:48:59.000000000 +0100
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@@ -223,8 +223,7 @@
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#define needs_for_format (proc_format_needs|task_format_needs)
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-#define PROC_ONLY_FLAGS (PROC_FILLENV|PROC_FILLARG|PROC_FILLCOM|PROC_FILLMEM)
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-
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+#define PROC_ONLY_FLAGS (PROC_FILLENV|PROC_FILLARG|PROC_FILLCOM|PROC_FILLMEM|PROC_FILLCGROUP)
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/***** munge lists and determine openproc() flags */
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static void lists_and_needs(void){
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check_headers();
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@@ -342,6 +341,7 @@
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}
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if(buf.cmdline) free((void*)*buf.cmdline); // ought to reuse
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if(buf.environ) free((void*)*buf.environ); // ought to reuse
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+ if(buf.cgroup) free((void*)*buf.cgroup);
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}
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break;
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case TF_show_proc|TF_loose_tasks: // H option
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@@ -354,6 +354,7 @@
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}
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if(buf.cmdline) free((void*)*buf.cmdline); // ought to reuse
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if(buf.environ) free((void*)*buf.environ); // ought to reuse
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+ if(buf.cgroup) free((void*)*buf.cgroup);
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}
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break;
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case TF_show_proc|TF_show_task: // m and -m options
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@@ -366,7 +367,8 @@
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}
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if(buf.cmdline) free((void*)*buf.cmdline); // ought to reuse
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if(buf.environ) free((void*)*buf.environ); // ought to reuse
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- }
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+ if(buf.cgroup) free((void*)*buf.cgroup);
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+ }
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break;
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case TF_show_task: // -L and -T options
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while(readproc(ptp,&buf)){
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@@ -377,7 +379,8 @@
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}
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if(buf.cmdline) free((void*)*buf.cmdline); // ought to reuse
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if(buf.environ) free((void*)*buf.environ); // ought to reuse
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- }
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+ if(buf.cgroup) free((void*)*buf.cgroup);
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+ }
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break;
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}
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closeproc(ptp);
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--- procps-3.2.7/ps/output.c
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+++ procps-3.2.7/ps/output.c 2008-03-06 09:47:21.000000000 +0100
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@@ -359,6 +359,26 @@
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return max_rightward-rightward;
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}
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+static int pr_cgroup(char *restrict const outbuf,const proc_t *restrict const pp) {
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+ if(pp->cgroup && *pp->cgroup) {
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+ char *endp = outbuf;
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+ int rightward=max_rightward;
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+ if(forest_prefix){
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+ int fh = forest_helper(outbuf);
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+ endp += fh;
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+ rightward -= fh;
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+ }
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+ if(rightward>1){
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+ *endp++ = ' ';
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+ rightward--;
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+ endp += escape_str(endp, *pp->cgroup, OUTBUF_SIZE, &rightward);
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+ }
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+ return max_rightward-rightward;
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+ }
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+ else
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+ return pr_nop(outbuf,pp);
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+}
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+
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/* "ucomm" is the same thing: short unless -f */
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static int pr_comm(char *restrict const outbuf, const proc_t *restrict const pp){
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char *endp = outbuf;
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@@ -1248,7 +1268,7 @@
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#define GRP PROC_FILLGRP /* gid_t -> group names */
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#define WCH PROC_FILLWCHAN /* do WCHAN lookup */
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-
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+#define CGRP PROC_FILLCGROUP /* read cgroup */
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/* TODO
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* pull out annoying BSD aliases into another table (to macro table?)
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* add sorting functions here (to unify names)
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@@ -1284,6 +1304,7 @@
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{"bsdtime", "TIME", pr_bsdtime, sr_nop, 6, 0, LNX, ET|RIGHT},
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{"c", "C", pr_c, sr_pcpu, 2, 0, SUN, ET|RIGHT},
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{"caught", "CAUGHT", pr_sigcatch, sr_nop, 9, 0, BSD, TO|SIGNAL}, /*sigcatch*/
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+{"cgroup", "CGROUP", pr_cgroup, sr_nop, 27, CGRP, LNX, PO|UNLIMITED},
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{"class", "CLS", pr_class, sr_sched, 3, 0, XXX, TO|LEFT},
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{"cls", "CLS", pr_class, sr_sched, 3, 0, HPU, TO|RIGHT}, /*says HPUX or RT*/
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{"cmaj_flt", "-", pr_nop, sr_cmaj_flt, 1, 0, LNX, AN|RIGHT},
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--- procps-3.2.7/proc/readproc.c
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+++ procps-3.2.7/proc/readproc.c 2008-03-06 10:05:49.000000000 +0100
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@@ -598,6 +598,17 @@
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p->environ = file2strvec(path, "environ");
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else
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p->environ = NULL;
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+
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+ if(linux_version_code>=LINUX_VERSION(2,6,24) && (flags & PROC_FILLCGROUP)) {
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+ p->cgroup = file2strvec(path, "cgroup"); /* read /proc/#/cgroup */
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+ if(p->cgroup && *p->cgroup) {
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+ int i = strlen(*p->cgroup);
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+ if( (*p->cgroup)[i-1]=='\n' )
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+ (*p->cgroup)[i-1] = ' '; //little hack to remove trailing \n
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+ }
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+ }
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+ else
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+ p->cgroup = NULL;
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return p;
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next_proc:
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@@ -686,7 +697,7 @@
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t->cmdline = p->cmdline; // better not free these until done with all threads!
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t->environ = p->environ;
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#endif
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-
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+ t->cgroup = p->cgroup;
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t->ppid = p->ppid; // ought to put the per-task ppid somewhere
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return t;
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@@ -896,6 +907,8 @@
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free((void*)*p->cmdline);
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if (p->environ)
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free((void*)*p->environ);
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+ if (p->cgroup)
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+ free((void*)*p->cgroup);
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free(p);
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}
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--- procps-3.2.7/proc/readproc.h
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+++ procps-3.2.7/proc/readproc.h 2008-03-06 10:07:48.000000000 +0100
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@@ -139,6 +139,7 @@
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tpgid, // stat terminal process group id
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exit_signal, // stat might not be SIGCHLD
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processor; // stat current (or most recent?) CPU
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+ char **cgroup; // cgroup current cgroup, looks like a classic filepath
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} proc_t;
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// PROCTAB: data structure holding the persistent information readproc needs
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@@ -239,6 +240,8 @@
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#define PROC_LOOSE_TASKS 0x0200 // threat threads as if they were processes
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+#define PROC_FILLCGROUP 0x0400 // alloc and fill in `cgroup`
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+
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// Obsolete, consider only processes with one of the passed:
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#define PROC_PID 0x1000 // process id numbers ( 0 terminated)
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#define PROC_UID 0x4000 // user id numbers ( length needed )
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