mirror of
https://github.com/9fans/plan9port.git
synced 2025-01-12 11:10:07 +00:00
296 lines
4.9 KiB
Text
296 lines
4.9 KiB
Text
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include("/sys/lib/acid/syscall");
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// print various /proc files
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defn fd() {
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rc("cat /proc/"+itoa(pid)+"/fd");
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}
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defn segment() {
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rc("cat /proc/"+itoa(pid)+"/segment");
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}
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defn ns() {
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rc("cat /proc/"+itoa(pid)+"/ns");
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}
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defn qid(qid) {
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complex Qid qid;
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return itoa(qid.path\X)+"."+itoa(qid.vers\X);
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}
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defn cname(c) {
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complex Cname c;
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if c != 0 then {
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return *(c.s\s);
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} else
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return "<null>";
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}
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// print Image cache contents
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// requires include("/sys/src/9/xxx/segment.acid")
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IHASHSIZE = 64;
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defn imagecacheline(h) {
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while h != 0 do {
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complex Image h;
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print (h\X, " ", qid(h.qid), " type ", h.type\D, " ref ", h.ref, " next ", h.next\X, " ", cname(h.c.name), "\n");
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h = h.hash;
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}
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}
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defn imagecache() {
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local i;
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i=0; loop 1,IHASHSIZE do {
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imagecacheline(imagealloc.free[i]);
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i = i+1;
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}
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}
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// dump channels
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defn chan(c) {
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local d, q;
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c = (Chan)c;
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d=(Dev)(*(devtab+4*c.type));
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q=c.qid;
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print(c\X, " ref=", c.ref\D, " #", d.dc\r, c.dev\D, " (", q.path, " ", q.vers\D, " ", q.type\X, ")");
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print(" fid=", c.fid\D, " iounit=", c.iounit\D);
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if c.ref != 0 then {
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print(" ", cname(c.name), " mchan=", c.mchan\X);
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if c.mchan != 0 then {
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print(" ", cname(c.mchan.name));
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}
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}
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print("\n");
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}
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defn chans() {
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local c;
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c = (Chan)chanalloc.list;
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while c != 0 do {
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chan(c);
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c=(Chan)c.link;
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}
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}
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// manipulate processes
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defn proctab(x) {
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return procalloc.arena+sizeofProc*x;
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}
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defn proc(p) {
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complex Proc p;
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local s, i;
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if p.state != 0 then { // 0 is Dead
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s = p.psstate;
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if s == 0 then {
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s = "kproc";
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} else {
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s = *(s\s);
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}
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print(p\X, " ", p.pid, ": ", *(p.text\s), " ", *(p.user\s), " pc ", p.pc\X, " ", s, " (", *(statename[p.state]\s), ") ut ", p.time[0]\D, " st ", p.time[1]\D, " qpc ", p.qpc\X, "\n");
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}
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}
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defn procenv(p) {
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complex Proc p;
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local e, v;
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e = p.egrp;
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complex Egrp e;
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v = e.entries;
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while v != 0 do {
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complex Evalue v;
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print(*(v.name\s), "=");
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printstringn(v.value, v.len);
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print("\n");
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v = v.link;
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}
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}
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KSTACK=4096;
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defn procstksize(p) {
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complex Proc p;
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local top, sp;
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if p.state != 0 then { // 0 is Dead
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top = p.kstack+KSTACK;
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sp = *p.sched;
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print(top-sp\D, "\n");
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}
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}
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defn procstk(p) {
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complex Proc p;
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local l;
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if p.state != 0 then { // 0 is Dead
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l = p.sched;
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if objtype=="386" then
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_stk(gotolabel, *l, linkreg(0), 0);
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else
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_stk(*(l+4), *l, linkreg(0), 0);
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}
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}
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defn procs() {
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local i;
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i=0; loop 1,conf.nproc do {
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proc(proctab(i));
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i = i+1;
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}
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}
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defn stacks() {
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local i, p;
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i=0; loop 1,conf.nproc do {
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p = (Proc)proctab(i);
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if p.state != 0 then {
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print("=========================================================\n");
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proc(p);
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procstk(p);
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}
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i = i+1;
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}
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}
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defn stacksizes() {
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local i;
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i=0; loop 1,conf.nproc do {
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procstksize(proctab(i));
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i = i+1;
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}
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}
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// segment-related
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defn procsegs(p) {
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complex Proc p;
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local i;
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i=0; loop 1,NSEG do {
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psegment(p.seg[i]);
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i = i+1;
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}
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}
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segtypes = { "text", "data", "bss", "stack", "shared", "physical", "shdata", "map" };
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defn psegment(s) {
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complex Segment s;
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if s != 0 then {
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print(s\X, " ", segtypes[s.type&SG_TYPE], " ", s.base\X, "-", s.top\X, " image ", s.image\X, "\n");
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}
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}
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// find physical address for an address in a given process
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defn procaddr(p, a) {
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complex Proc p;
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local i, s, r;
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r = 0;
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i=0; loop 1,NSEG do {
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s = p.seg[i];
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if s != 0 then {
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complex Segment s;
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if s.base <= a && a < s.top then {
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r = segaddr(s, a);
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}
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}
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i = i+1;
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}
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return r;
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}
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// find an address in a given segment
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defn segaddr(s, a) {
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complex Segment s;
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local pte, pg;
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a = a - s.base;
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if s.map == 0 || s.mapsize < a/PTEMAPMEM then {
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return 0;
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}
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pte = s.map[a/PTEMAPMEM];
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if pte == 0 then {
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return 0;
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}
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complex Pte pte;
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pg = pte.pages[(a%PTEMAPMEM)/BY2PG];
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if pg == 0 then {
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return 0;
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}
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if pg & 1 then { // swapped out, return disk address
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return pg&~1;
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}
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complex Page pg;
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return (0x80000000|(pg.pa+(a%BY2PG)))\X;
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}
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// PC only
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MACHADDR = 0x80004000;
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PTEMAPMEM = (1024*1024);
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BY2PG = 4096;
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PTEPERTAB = (PTEMAPMEM/BY2PG);
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defn up() {
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local mach;
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mach = MACHADDR;
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complex Mach mach;
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return mach.externup;
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}
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defn intrcount() {
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local p, pp, t, i, j;
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p = intrtimes;
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i=0;
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loop 1,256 do {
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pp = p[i];
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i=i+1;
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if pp != 0 then {
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j=0;
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t=0;
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loop 1,1000 do {
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t = t+pp[j];
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j=j+1;
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}
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print(itoa(i, "%5d"), " ", itoa(t, "%11d"), "\n");
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}
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}
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}
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print(acidfile);
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defn needacid(s){
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print("\trc(\"cd /sys/src/9/", kdir, "; mk ", s, ".acid\")\n");
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print("\tinclude(\"/sys/src/9/", kdir, "/", s, ".acid\")\n");
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}
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if (map()[2]) != {} then { // map has more than two elements -> active proc
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kdir = "unknown";
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if objtype == "386" then {
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map({"*data", 0x80000000, 0xffffffff, 0x80000000});
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kdir="pc";
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}
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if (objtype == "mips" || objtype == "mips2") then {
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kdir = "ch";
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}
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if objtype == "alpha" then {
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map({"*data", 0x80000000, 0xffffffff, 0x80000000});
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kdir = "alpha";
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}
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needacid("proc");
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}
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