minix/servers/is/dmp_kernel.c
Jorrit Herder 570eac1f53 Renamed system library functionality.
Updated debug dumps of IS server.
2005-07-14 15:16:12 +00:00

507 lines
16 KiB
C

/* Debugging dump procedures for the kernel. */
#include "is.h"
#include <timers.h>
#include <ibm/interrupt.h>
#include "../../kernel/const.h"
#include "../../kernel/config.h"
#include "../../kernel/debug.h"
#include "../../kernel/type.h"
#include "../../kernel/proc.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) );
/* 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.
*/
PUBLIC struct proc proc[NR_TASKS + NR_PROCS];
PUBLIC struct priv priv[NR_SYS_PROCS];
PUBLIC struct system_image image[NR_BOOT_PROCS];
/*===========================================================================*
* timing_dmp *
*===========================================================================*/
PUBLIC void timing_dmp()
{
#if ! DEBUG_TIME_LOCKS
printf("Enable the DEBUG_TIME_LOCKS definition in src/kernel/config.h\n");
#else
static struct lock_timingdata timingdata[TIMING_CATEGORIES];
int r, c, f, skipped = 0, printed = 0, maxlines = 23, x = 0;
static int offsetlines = 0;
if ((r = sys_getlocktimings(&timingdata[0])) != OK) {
report("IS","warning: couldn't get copy of lock timings", r);
return;
}
for(c = 0; c < TIMING_CATEGORIES; c++) {
int b;
if(!timingdata[c].lock_timings_range[0] || !timingdata[c].binsize)
continue;
x = printf("%-*s: misses %lu, resets %lu, measurements %lu: ",
TIMING_NAME, timingdata[c].names,
timingdata[c].misses,
timingdata[c].resets,
timingdata[c].measurements);
for(b = 0; b < TIMING_POINTS; b++) {
int w;
if(!timingdata[c].lock_timings[b])
continue;
x += (w = printf(" %5d: %5d", timingdata[c].lock_timings_range[0] +
b*timingdata[c].binsize,
timingdata[c].lock_timings[b]));
if(x + w >= 80) { printf("\n"); x = 0; }
}
if(x > 0) printf("\n");
}
#endif
}
/*===========================================================================*
* kmessages_dmp *
*===========================================================================*/
PUBLIC 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("IS","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("%s", print_buf); /* print the messages */
}
/*===========================================================================*
* monparams_dmp *
*===========================================================================*/
PUBLIC 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("IS","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 *
*===========================================================================*/
PUBLIC 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 */
"rs232", /* 03 */
"rs232", /* 04 */
"NIC(eth)", /* 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("IS","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 *
*===========================================================================*/
PUBLIC void image_dmp()
{
int i,j,r;
struct system_image *ip;
char maskstr[NR_TASKS + NR_PROCS] = "mask";
if ((r = sys_getimage(image)) != OK) {
report("IS","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- -flags- -q- ----pc- -stack- ------sendmask-------\n");
for (i=0; i<NR_BOOT_PROCS; i++) {
ip = &image[i];
for (j=-NR_TASKS; j<INIT_PROC_NR+2; j++)
maskstr[j+NR_TASKS] = '0';
maskstr[j+NR_TASKS] = '\0';
printf("%8s %4d 0x%02x %3d %7lu %7lu %s\n",
ip->proc_name, ip->proc_nr, ip->flags, ip->priority,
(long)ip->initial_pc, ip->stksize, maskstr);
}
printf("\n");
}
/*===========================================================================*
* sched_dmp *
*===========================================================================*/
PUBLIC 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("IS","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("IS","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 *
*===========================================================================*/
PUBLIC void kenv_dmp()
{
struct kinfo kinfo;
struct machine machine;
int r;
if ((r = sys_getkinfo(&kinfo)) != OK) {
report("IS","warning: couldn't get copy of kernel info struct", r);
return;
}
if ((r = sys_getmachine(&machine)) != OK) {
report("IS","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("- bootdev_mem: %5u\n", kinfo.bootdev_mem);
printf("- params_base: %5u\n", kinfo.params_base);
printf("- params_size: %5u\n", kinfo.params_size);
printf("- nr_procs: %3u\n", kinfo.nr_procs);
printf("- nr_tasks: %3u\n", kinfo.nr_tasks);
printf("- release: %.6s\n", kinfo.release);
printf("- version: %.6s\n", kinfo.version);
#if DEBUG_LOCK_CHECK
printf("- relocking: %d\n", kinfo.relocking);
#endif
printf("\n");
}
/*===========================================================================*
* privileges_dmp *
*===========================================================================*/
PUBLIC void privileges_dmp()
{
register struct proc *rp;
static struct proc *oldrp = BEG_PROC_ADDR;
register struct priv *sp;
int r, i,j, n = 0;
/* First obtain a fresh copy of the current process and system table. */
if ((r = sys_getprivtab(priv)) != OK) {
report("IS","warning: couldn't get copy of system privileges table", r);
return;
}
if ((r = sys_getproctab(proc)) != OK) {
report("IS","warning: couldn't get copy of process table", r);
return;
}
printf("\n--nr-id-name---- -sanity- -flags- -sc-\n");
for (rp = oldrp; rp < END_PROC_ADDR; rp++) {
if (isemptyp(rp)) continue;
if (++n > 23) break;
if (proc_nr(rp) == IDLE) printf("(%2d) ", proc_nr(rp));
else if (proc_nr(rp) < 0) printf("[%2d] ", proc_nr(rp));
else printf(" %2d ", proc_nr(rp));
r = -1;
for (sp = &priv[0]; sp < &priv[NR_SYS_PROCS]; sp++)
if (sp->s_proc_nr == rp->p_nr) { r ++; break; }
if (r == -1) {
printf("... warning, no privileges found!\n");
continue;
}
printf("(%02u) %-7.7s %3x %02.2u",
sp->s_id,
rp->p_name,
sp->s_flags, sp->s_call_mask
);
printf("\n");
}
if (rp == END_PROC_ADDR) rp = BEG_PROC_ADDR; else printf("--more--\r");
oldrp = rp;
}
/*===========================================================================*
* sendmask_dmp *
*===========================================================================*/
PUBLIC 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("IS","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");
#if DEAD_CODE
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);
if (proc_nr(rp) == IDLE) printf("(%2d) ", proc_nr(rp));
else if (proc_nr(rp) < 0) printf("[%2d] ", proc_nr(rp));
else 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;
#endif
}
/*===========================================================================*
* proctab_dmp *
*===========================================================================*/
#if (CHIP == INTEL)
PUBLIC 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("IS","warning: couldn't get copy of process table", r);
return;
}
printf("\n--nr-name---- -prior-quant-##- -user---sys- -text---data---size- -rts flags-\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);
if (proc_nr(rp) == IDLE) printf("(%2d) ", proc_nr(rp));
else if (proc_nr(rp) < 0) printf("[%2d] ", proc_nr(rp));
else printf(" %2d ", proc_nr(rp));
printf(" %-7.7s %02u/%02u %02d/%02d %02u %6lu%6lu %6uK%6uK%6uK %3x",
rp->p_name,
rp->p_priority, rp->p_max_priority,
rp->p_sched_ticks, rp->p_quantum_size,
rp->p_full_quantums,
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_rts_flags);
if (rp->p_rts_flags & RECEIVING) {
printf(" %-7.7s", proc_name(rp->p_getfrom));
} else
if (rp->p_rts_flags & SENDING) {
printf(" S:%-5.5s", proc_name(rp->p_sendto));
} else
if (rp->p_rts_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 *
*===========================================================================*/
PUBLIC 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("IS","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;
}