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minix/servers/is/dmp.c
Jorrit Herder 322ec9ef8b Moved stime, time, times POSIX calls from FS to PM. Removed child time 
accounting from kernel (now in PM).  Large amount of files in this commit
is due to system time problems during development.
2005-05-31 09:50:51 +00:00

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/* This file contains information dump procedures. During the initialization
* of the Information Service 'known' function keys are registered at the TTY
* server in order to receive a notification if one is pressed. Here, the
* corresponding dump procedure is called.
*
* The entry points into this file are
* handle_fkey: handle a function key pressed notification
*/
/* Several header files from the kernel are included here so that we can use
* the constants, macros, and types needed to make the debugging dumps.
*/
#include "is.h"
#include <timers.h>
#include <string.h>
#include <ibm/interrupt.h>
#include "../../kernel/const.h"
#include "../../kernel/type.h"
#include "../../kernel/proc.h"
#include "../../kernel/sendmask.h"
#define click_to_round_k(n) \
((unsigned) ((((unsigned long) (n) << CLICK_SHIFT) + 512) / 1024))
/* Declare some local dump procedures. */
FORWARD _PROTOTYPE( char *proc_name, (int proc_nr) );
FORWARD _PROTOTYPE( void proctab_dmp, (void) );
FORWARD _PROTOTYPE( void memmap_dmp, (void) );
FORWARD _PROTOTYPE( void sendmask_dmp, (void) );
FORWARD _PROTOTYPE( void image_dmp, (void) );
FORWARD _PROTOTYPE( void irqtab_dmp, (void) );
FORWARD _PROTOTYPE( void kmessages_dmp, (void) );
FORWARD _PROTOTYPE( void diagnostics_dmp, (void) );
FORWARD _PROTOTYPE( void sched_dmp, (void) );
FORWARD _PROTOTYPE( void monparams_dmp, (void) );
FORWARD _PROTOTYPE( void kenv_dmp, (void) );
FORWARD _PROTOTYPE( void memchunks_dmp, (void) );
/* Some global data that is shared among several dumping procedures.
* Note that the process table copy has the same name as in the kernel
* so that most macros and definitions from proc.h also apply here.
*/
struct proc proc[NR_TASKS + NR_PROCS];
struct system_image image[IMAGE_SIZE];
/*===========================================================================*
* handle_fkey *
*===========================================================================*/
PUBLIC int do_fkey_pressed(message *m)
{
#if DEAD_CODE
if (F1 <= m->FKEY_CODE && m->FKEY_CODE <= F12) {
switch(m->FKEY_CODE) {
#else
if (F1 <= m->NOTIFY_ARG && m->NOTIFY_ARG <= F12) {
switch(m->NOTIFY_ARG) {
#endif
case F1: proctab_dmp(); break;
case F2: memmap_dmp(); break;
case F3: image_dmp(); break;
case F4: sendmask_dmp(); break;
case F5: monparams_dmp(); break;
case F6: irqtab_dmp(); break;
case F7: kmessages_dmp(); break;
case F9: diagnostics_dmp(); break;
case F10: kenv_dmp(); break;
case F11: memchunks_dmp(); break;
case F12: sched_dmp(); break;
default:
#if DEAD_CODE
printf("IS: unhandled notification for F%d\n", m->FKEY_NUM);
#else
printf("IS: unhandled notify for F%d (code %d)\n",
m->NOTIFY_FLAGS, m->NOTIFY_ARG);
#endif
}
}
return(EDONTREPLY);
}
/*===========================================================================*
* diagnostics_dmp *
*===========================================================================*/
PRIVATE void diagnostics_dmp()
{
char print_buf[DIAG_BUF_SIZE+1]; /* buffer used to print */
int start; /* calculate start of messages */
int size, r;
/* Try to print the kernel messages. First determine start and copy the
* buffer into a print-buffer. This is done because the messages in the
* copy may wrap (the kernel buffer is circular).
*/
start = ((diag_next + DIAG_BUF_SIZE) - diag_size) % DIAG_BUF_SIZE;
r = 0;
size = diag_size;
while (size > 0) {
print_buf[r] = diag_buf[(start+r) % DIAG_BUF_SIZE];
r ++;
size --;
}
print_buf[r] = 0; /* make sure it terminates */
printf("Dump of diagnostics from device drivers and servers.\n\n");
printf(print_buf); /* print the messages */
}
/*===========================================================================*
* kmessages_dmp *
*===========================================================================*/
PRIVATE void kmessages_dmp()
{
struct kmessages kmess; /* get copy of kernel messages */
char print_buf[KMESS_BUF_SIZE+1]; /* this one is used to print */
int next, size; /* vars returned by sys_kmess() */
int start; /* calculate start of messages */
int r;
/* Try to get a copy of the kernel messages. */
if ((r = sys_getkmessages(&kmess)) != OK) {
report("warning: couldn't get copy of kmessages", r);
return;
}
/* Try to print the kernel messages. First determine start and copy the
* buffer into a print-buffer. This is done because the messages in the
* copy may wrap (the kernel buffer is circular).
*/
start = ((kmess.km_next + KMESS_BUF_SIZE) - kmess.km_size) % KMESS_BUF_SIZE;
r = 0;
while (kmess.km_size > 0) {
print_buf[r] = kmess.km_buf[(start+r) % KMESS_BUF_SIZE];
r ++;
kmess.km_size --;
}
print_buf[r] = 0; /* make sure it terminates */
printf("Dump of all messages generated by the kernel.\n\n");
printf(print_buf); /* print the messages */
}
/*===========================================================================*
* monparams_dmp *
*===========================================================================*/
PRIVATE void monparams_dmp()
{
char val[1024];
char *e;
int r;
/* Try to get a copy of the boot monitor parameters. */
if ((r = sys_getmonparams(val, sizeof(val))) != OK) {
report("warning: couldn't get copy of monitor params", r);
return;
}
/* Append new lines to the result. */
e = val;
do {
e += strlen(e);
*e++ = '\n';
} while (*e != 0);
/* Finally, print the result. */
printf("Dump of kernel environment strings set by boot monitor.\n");
printf("\n%s\n", val);
}
/*===========================================================================*
* irqtab_dmp *
*===========================================================================*/
PRIVATE void irqtab_dmp()
{
int i,j,r;
struct irq_hook irq_hooks[NR_IRQ_HOOKS];
struct irq_hook *e; /* irq tab entry */
char *irq[] = {
"clock", /* 00 */
"keyboard", /* 01 */
"cascade", /* 02 */
"eth/rs232", /* 03 */
"rs232", /* 04 */
"xt_wini", /* 05 */
"floppy", /* 06 */
"printer", /* 07 */
"", /* 08 */
"", /* 09 */
"", /* 10 */
"", /* 11 */
"", /* 12 */
"", /* 13 */
"at_wini_0", /* 14 */
"at_wini_1", /* 15 */
};
if ((r = sys_getirqhooks(irq_hooks)) != OK) {
report("warning: couldn't get copy of irq hooks", r);
return;
}
printf("IRQ policies dump shows use of kernel's IRQ hooks.\n");
printf("-h.id- -proc.nr- -IRQ vector (nr.)- -policy- \n");
for (i=0; i<NR_IRQ_HOOKS; i++) {
e = &irq_hooks[i];
printf("%3d", i);
if (e->proc_nr==NONE) {
printf(" <unused>\n");
continue;
}
printf("%10d ", e->proc_nr);
printf(" %9.9s (%02d) ", irq[e->irq], e->irq);
printf(" %s\n", (e->policy & IRQ_REENABLE) ? "reenable" : "-");
}
printf("\n");
}
/*===========================================================================*
* image_dmp *
*===========================================================================*/
PRIVATE void image_dmp()
{
int i,j,r;
struct system_image *ip;
char maskstr[NR_TASKS + NR_PROCS] = "mask";
char* types[] = {"task", "system","driver", "server", "user", "idle"};
char* priorities[] = {"task", "higher","high", "normal", "low", "lower", "user","idle"};
if ((r = sys_getimage(image)) != OK) {
report("warning: couldn't get copy of image table", r);
return;
}
printf("Image table dump showing all processes included in system image.\n");
printf("---name-- -nr- --type- -priority- ----pc- -stack- ------sendmask-------\n");
for (i=0; i<IMAGE_SIZE; i++) {
ip = &image[i];
for (j=-NR_TASKS; j<INIT_PROC_NR+2; j++)
maskstr[j+NR_TASKS] = (isallowed(ip->sendmask, j)) ? '1' : '0';
maskstr[j+NR_TASKS] = '\0';
printf("%8s %4d %7s %10s %7lu %7lu %s\n",
ip->proc_name, ip->proc_nr, types[ip->type], priorities[ip->priority],
(long)ip->initial_pc, ip->stksize, maskstr);
}
printf("\n");
}
/*===========================================================================*
* sched_dmp *
*===========================================================================*/
PRIVATE void sched_dmp()
{
struct proc *rdy_head[NR_SCHED_QUEUES];
char *types[] = {"task","higher","high","normal","low","lower","user","idle"};
struct kinfo kinfo;
register struct proc *rp;
vir_bytes ptr_diff;
int r;
/* First obtain a scheduling information. */
if ((r = sys_getschedinfo(proc, rdy_head)) != OK) {
report("warning: couldn't get copy of process table", r);
return;
}
/* Then obtain kernel addresses to correct pointer information. */
if ((r = sys_getkinfo(&kinfo)) != OK) {
report("warning: couldn't get kernel addresses", r);
return;
}
/* Update all pointers. Nasty pointer algorithmic ... */
ptr_diff = (vir_bytes) proc - (vir_bytes) kinfo.proc_addr;
for (r=0;r<NR_SCHED_QUEUES; r++)
if (rdy_head[r] != NIL_PROC)
rdy_head[r] =
(struct proc *)((vir_bytes) rdy_head[r] + ptr_diff);
for (rp=BEG_PROC_ADDR; rp < END_PROC_ADDR; rp++)
if (rp->p_nextready != NIL_PROC)
rp->p_nextready =
(struct proc *)((vir_bytes) rp->p_nextready + ptr_diff);
/* Now show scheduling queues. */
printf("Dumping scheduling queues.\n");
for (r=0;r<NR_SCHED_QUEUES; r++) {
printf("* %6s: ", types[r]);
rp = rdy_head[r];
while (rp != NIL_PROC) {
printf("%3d, ", rp->p_nr);
rp = rp->p_nextready;
}
printf("NIL\n");
}
printf("\n");
}
/*===========================================================================*
* kenv_dmp *
*===========================================================================*/
PRIVATE void kenv_dmp()
{
struct kinfo kinfo;
struct machine machine;
int r;
if ((r = sys_getkinfo(&kinfo)) != OK) {
report("warning: couldn't get copy of kernel info struct", r);
return;
}
if ((r = sys_getmachine(&machine)) != OK) {
report("warning: couldn't get copy of kernel machine struct", r);
return;
}
printf("Dump of kinfo and machine structures.\n\n");
printf("Machine structure:\n");
printf("- pc_at: %3d\n", machine.pc_at);
printf("- ps_mca: %3d\n", machine.ps_mca);
printf("- processor: %3d\n", machine.processor);
printf("- protected: %3d\n", machine.protected);
printf("- vdu_ega: %3d\n", machine.vdu_ega);
printf("- vdu_vga: %3d\n\n", machine.vdu_vga);
printf("Kernel info structure:\n");
printf("- code_base: %5u\n", kinfo.code_base);
printf("- code_size: %5u\n", kinfo.code_size);
printf("- data_base: %5u\n", kinfo.data_base);
printf("- data_size: %5u\n", kinfo.data_size);
printf("- proc_addr: %5u\n", kinfo.proc_addr);
printf("- kmem_base: %5u\n", kinfo.kmem_base);
printf("- kmem_size: %5u\n", kinfo.kmem_size);
printf("- bootdev_base: %5u\n", kinfo.bootdev_base);
printf("- bootdev_size: %5u\n", kinfo.bootdev_size);
printf("- params_base: %5u\n", kinfo.params_base);
printf("- params_size: %5u\n", kinfo.params_size);
printf("- notify_pending:%8u\n", kinfo.nr_ntf_pending);
printf("- lock_notify: %6u\n", kinfo.lock_notify);
printf("- lock_send: %6u\n", kinfo.lock_send);
printf("- nr_procs: %3u\n", kinfo.nr_procs);
printf("- nr_tasks: %3u\n", kinfo.nr_tasks);
printf("- version: %.6s\n", kinfo.version);
printf("\n");
}
/*===========================================================================*
* memchunks_dmp *
*===========================================================================*/
PRIVATE void memchunks_dmp()
{
int i,r;
struct memory mem[NR_MEMS];
if ((r = sys_getmemchunks(mem)) != OK) {
report("warning: couldn't get copy of mem chunks", r);
return;
}
printf("Memory chunks:\n");
for (i=0; i<NR_MEMS; i++) {
printf("chunk %d: base %u, size %u\n", i, mem[i].base, mem[i].size);
}
printf("\n");
}
/*===========================================================================*
* sendmask_dmp *
*===========================================================================*/
PRIVATE void sendmask_dmp()
{
register struct proc *rp;
static struct proc *oldrp = BEG_PROC_ADDR;
int r, i,j, n = 0;
/* First obtain a fresh copy of the current process table. */
if ((r = sys_getproctab(proc)) != OK) {
report("warning: couldn't get copy of process table", r);
return;
}
printf("\n\n");
printf("Sendmask dump for process table. User processes (*) don't have [].");
printf("\n");
printf("The rows of bits indicate to which processes each process may send.");
printf("\n\n");
printf(" ");
for (j=proc_nr(BEG_PROC_ADDR); j< INIT_PROC_NR+1; j++) {
printf("%3d", j);
}
printf(" *\n");
for (rp = oldrp; rp < END_PROC_ADDR; rp++) {
if (isemptyp(rp)) continue;
if (++n > 20) break;
printf("%8s ", rp->p_name);
j = proc_nr(rp);
switch(rp->p_type) {
case P_IDLE: printf("/%2d/ ", proc_nr(rp)); break;
case P_TASK: printf("[%2d] ", proc_nr(rp)); break;
case P_SYSTEM: printf("<%2d> ", proc_nr(rp)); break;
case P_DRIVER: printf("{%2d} ", proc_nr(rp)); break;
case P_SERVER: printf("(%2d) ", proc_nr(rp)); break;
default: printf(" %2d ", proc_nr(rp));
}
for (j=proc_nr(BEG_PROC_ADDR); j<INIT_PROC_NR+2; j++) {
if (isallowed(rp->p_sendmask, j)) printf(" 1 ");
else printf(" 0 ");
}
printf("\n");
}
if (rp == END_PROC_ADDR) { printf("\n"); rp = BEG_PROC_ADDR; }
else printf("--more--\r");
oldrp = rp;
}
/*===========================================================================*
* proctab_dmp *
*===========================================================================*/
#if (CHIP == INTEL)
PRIVATE void proctab_dmp()
{
/* Proc table dump */
register struct proc *rp;
static struct proc *oldrp = BEG_PROC_ADDR;
int r, n = 0;
phys_clicks text, data, size;
/* First obtain a fresh copy of the current process table. */
if ((r = sys_getproctab(proc)) != OK) {
report("warning: couldn't get copy of process table", r);
return;
}
printf("\n--nr/name--- -q- -sc- -user- -sys- -text- -data- -size- -flags- -command-\n");
for (rp = oldrp; rp < END_PROC_ADDR; rp++) {
if (isemptyp(rp)) continue;
if (++n > 23) break;
text = rp->p_memmap[T].mem_phys;
data = rp->p_memmap[D].mem_phys;
size = rp->p_memmap[T].mem_len
+ ((rp->p_memmap[S].mem_phys + rp->p_memmap[S].mem_len) - data);
switch(rp->p_type) {
case P_IDLE: printf("/%2d/ ", proc_nr(rp)); break;
case P_TASK: printf("[%2d] ", proc_nr(rp)); break;
case P_SYSTEM: printf("<%2d> ", proc_nr(rp)); break;
case P_DRIVER: printf("{%2d} ", proc_nr(rp)); break;
case P_SERVER: printf("(%2d) ", proc_nr(rp)); break;
default: printf(" %2d ", proc_nr(rp));
}
printf("%-7.7s %2u %02.2x %6lu%6lu%6uK%6uK%6uK %3x",
rp->p_name,
rp->p_priority,
(char) rp->p_call_mask,
rp->p_user_time, rp->p_sys_time,
click_to_round_k(text), click_to_round_k(data),
click_to_round_k(size),
rp->p_flags);
if (rp->p_flags & RECEIVING) {
printf(" %-7.7s", proc_name(rp->p_getfrom));
} else
if (rp->p_flags & SENDING) {
printf(" S:%-5.5s", proc_name(rp->p_sendto));
} else
if (rp->p_flags == 0) {
printf(" ");
}
printf("\n");
}
if (rp == END_PROC_ADDR) rp = BEG_PROC_ADDR; else printf("--more--\r");
oldrp = rp;
}
#endif /* (CHIP == INTEL) */
/*===========================================================================*
* memmap_dmp *
*===========================================================================*/
PRIVATE void memmap_dmp()
{
register struct proc *rp;
static struct proc *oldrp = proc;
int r, n = 0;
phys_clicks size;
/* First obtain a fresh copy of the current process table. */
if ((r = sys_getproctab(proc)) != OK) {
report("warning: couldn't get copy of process table", r);
return;
}
printf("\n-nr/name--- --pc-- --sp-- -----text----- -----data----- ----stack----- --size-\n");
for (rp = oldrp; rp < END_PROC_ADDR; rp++) {
if (isemptyp(rp)) continue;
if (++n > 23) break;
size = rp->p_memmap[T].mem_len
+ ((rp->p_memmap[S].mem_phys + rp->p_memmap[S].mem_len)
- rp->p_memmap[D].mem_phys);
printf("%3d %-7.7s%7lx%7lx %4x %4x %4x %4x %4x %4x %4x %4x %4x %5uK\n",
proc_nr(rp),
rp->p_name,
(unsigned long) rp->p_reg.pc,
(unsigned long) rp->p_reg.sp,
rp->p_memmap[T].mem_vir, rp->p_memmap[T].mem_phys, rp->p_memmap[T].mem_len,
rp->p_memmap[D].mem_vir, rp->p_memmap[D].mem_phys, rp->p_memmap[D].mem_len,
rp->p_memmap[S].mem_vir, rp->p_memmap[S].mem_phys, rp->p_memmap[S].mem_len,
click_to_round_k(size));
}
if (rp == END_PROC_ADDR) rp = proc;
else printf("--more--\r");
oldrp = rp;
}
/*===========================================================================*
* proc_name *
*===========================================================================*/
PRIVATE char *proc_name(proc_nr)
int proc_nr;
{
if (proc_nr == ANY) return "ANY";
return cproc_addr(proc_nr)->p_name;
}
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