minix/servers/is/dmp_pm.c
2005-10-18 17:21:11 +00:00

140 lines
4.1 KiB
C

/* This file contains procedures to dump to PM' data structures.
*
* The entry points into this file are
* mproc_dmp: display PM process table
*
* Created:
* May 11, 2005: by Jorrit N. Herder
*/
#include "is.h"
#include "../pm/mproc.h"
#include <timers.h>
#include <minix/config.h>
#include <minix/type.h>
PUBLIC struct mproc mproc[NR_PROCS];
/*===========================================================================*
* mproc_dmp *
*===========================================================================*/
PRIVATE char *flags_str(int flags)
{
static char str[10];
str[0] = (flags & WAITING) ? 'W' : '-';
str[1] = (flags & ZOMBIE) ? 'Z' : '-';
str[2] = (flags & PAUSED) ? 'P' : '-';
str[3] = (flags & ALARM_ON) ? 'A' : '-';
str[4] = (flags & TRACED) ? 'T' : '-';
str[5] = (flags & STOPPED) ? 'S' : '-';
str[6] = (flags & SIGSUSPENDED) ? 'U' : '-';
str[7] = (flags & REPLY) ? 'R' : '-';
str[8] = (flags & ONSWAP) ? 'O' : '-';
str[9] = (flags & SWAPIN) ? 'I' : '-';
str[10] = (flags & DONT_SWAP) ? 'D' : '-';
str[11] = (flags & PRIV_PROC) ? 'P' : '-';
str[12] = '\0';
return str;
}
PUBLIC void mproc_dmp()
{
struct mproc *mp;
int i, n=0;
static int prev_i = 0;
printf("Process manager (PM) process table dump\n");
getsysinfo(PM_PROC_NR, SI_PROC_TAB, mproc);
printf("-process- -nr-prnt- -pid/ppid/grp- -uid--gid- -nice- -flags------\n");
for (i=prev_i; i<NR_PROCS; i++) {
mp = &mproc[i];
if (mp->mp_pid == 0 && i != PM_PROC_NR) continue;
if (++n > 22) break;
printf("%8.8s %4d%4d %4d%4d%4d ",
mp->mp_name, i, mp->mp_parent, mp->mp_pid, mproc[mp->mp_parent].mp_pid, mp->mp_procgrp);
printf("%d(%d) %d(%d) ",
mp->mp_realuid, mp->mp_effuid, mp->mp_realgid, mp->mp_effgid);
printf(" %3d %s ",
mp->mp_nice, flags_str(mp->mp_flags));
printf("\n");
}
if (i >= NR_PROCS) i = 0;
else printf("--more--\r");
prev_i = i;
}
/*===========================================================================*
* sigaction_dmp *
*===========================================================================*/
PUBLIC void sigaction_dmp()
{
struct mproc *mp;
int i, n=0;
static int prev_i = 0;
clock_t uptime;
printf("Process manager (PM) signal action dump\n");
getsysinfo(PM_PROC_NR, SI_PROC_TAB, mproc);
getuptime(&uptime);
printf("-process- -nr- --ignore- --catch- --block- -tomess-- -pending-- -alarm---\n");
for (i=prev_i; i<NR_PROCS; i++) {
mp = &mproc[i];
if (mp->mp_pid == 0 && i != PM_PROC_NR) continue;
if (++n > 22) break;
printf("%8.8s %3d ", mp->mp_name, i);
printf(" 0x%06x 0x%06x 0x%06x 0x%06x ",
mp->mp_ignore, mp->mp_catch, mp->mp_sigmask, mp->mp_sig2mess);
printf("0x%06x ", mp->mp_sigpending);
if (mp->mp_flags & ALARM_ON) printf("%8u", mp->mp_timer.tmr_exp_time-uptime);
else printf(" -");
printf("\n");
}
if (i >= NR_PROCS) i = 0;
else printf("--more--\r");
prev_i = i;
}
/*===========================================================================*
* holes_dmp *
*===========================================================================*/
PUBLIC void holes_dmp(void)
{
static struct pm_mem_info pmi;
int h;
int largest_bytes = 0, total_bytes = 0;
if(getsysinfo(PM_PROC_NR, SI_MEM_ALLOC, &pmi) != OK) {
printf("Obtaining memory hole list failed.\n");
return;
}
printf("Available memory stats\n");
for(h = 0; h < _NR_HOLES; h++) {
if(pmi.pmi_holes[h].h_base && pmi.pmi_holes[h].h_len) {
int bytes;
bytes = (pmi.pmi_holes[h].h_len << CLICK_SHIFT);
printf("%08lx: %6d kB\n",
pmi.pmi_holes[h].h_base << CLICK_SHIFT, bytes / 1024);
if(bytes > largest_bytes) largest_bytes = bytes;
total_bytes += bytes;
}
}
printf("\n"
"Total memory free: %7d kB\n"
"Largest chunk: %7d kB\n"
"Uncontiguous rest: %7d kB (%d%% of total free)\n"
"Memory high watermark: %7d kB\n",
total_bytes/1024,
largest_bytes/1024,
(total_bytes-largest_bytes)/1024,
100*(total_bytes/100-largest_bytes/100)/total_bytes,
(pmi.pmi_hi_watermark/1024 << CLICK_SHIFT));
return;
}