minix/servers/is/dmp_pm.c
Jorrit Herder 872687ddfc Scheduling updates to the kernel. Sched() function now is single point for
policy. Actual policy not yet implemented.

PM calculates nice values for processes in boot image.

IS debug dumps improved (Shift+F1-F4).
2005-08-22 15:14:11 +00:00

102 lines
2.9 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>
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;
}