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Some more FreeBSD stuff.

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This commit is contained in:
Martin Baulig
1998-08-09 17:05:11 +00:00
parent 4e25a1dbd5
commit e64dc16608
7 changed files with 81 additions and 58 deletions
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75
sysdeps/freebsd/prockernel.c
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@@ -38,14 +38,16 @@
static const unsigned long _glibtop_sysdeps_proc_kernel =
(1 << GLIBTOP_PROC_KERNEL_K_FLAGS) +
(1 << GLIBTOP_PROC_KERNEL_MIN_FLT) +
(1 << GLIBTOP_PROC_KERNEL_MAJ_FLT) +
(1 << GLIBTOP_PROC_KERNEL_CMIN_FLT) +
(1 << GLIBTOP_PROC_KERNEL_CMAJ_FLT) +
(1 << GLIBTOP_PROC_KERNEL_KSTK_ESP) +
(1 << GLIBTOP_PROC_KERNEL_KSTK_EIP) +
(1 << GLIBTOP_PROC_KERNEL_WCHAN);
static const unsigned long _glibtop_sysdeps_proc_kernel_user =
(1 << GLIBTOP_PROC_KERNEL_MIN_FLT) +
(1 << GLIBTOP_PROC_KERNEL_MAJ_FLT) +
(1 << GLIBTOP_PROC_KERNEL_CMIN_FLT) +
(1 << GLIBTOP_PROC_KERNEL_CMAJ_FLT);
/* Init function. */
void
@@ -61,56 +63,47 @@ glibtop_get_proc_kernel_p (glibtop *server,
{
struct kinfo_proc *pinfo;
struct i386tss *pcb_tss;
struct pstats ps;
struct user usr;
struct user *u_addr = (struct user *)USRSTACK;
struct pstats pstats;
int f, count;
glibtop_init_p (server, GLIBTOP_SYSDEPS_PROC_KERNEL, 0);
memset (buf, 0, sizeof (glibtop_proc_kernel));
/* Get the information pertaining to the given PID */
/* Get the process information */
pinfo = kvm_getprocs (server->machine.kd, KERN_PROC_PID, pid, &count);
if (count != 1) {
return; /* the 0-filled struct, since we can't get any info */
if ((pinfo == NULL) || (count != 1))
glibtop_error_io_r (server, "kvm_getprocs (%d)", pid);
/* Taken from `saveuser ()' in `/usr/src/bin/ps/ps.c'. */
if ((pinfo [0].kp_proc.p_flag & P_INMEM) &&
kvm_uread (server->machine.kd, pinfo [0].kp_proc,
(unsigned long) &u_addr->u_stats,
(char *) &pstats, sizeof (pstats)) == sizeof (pstats)) {
/*
* The u-area might be swapped out, and we can't get
* at it because we have a crashdump and no swap.
* If it's here fill in these fields, otherwise, just
* leave them 0.
*/
buf->min_flt = (u_int64_t) pstats.p_ru.ru_minflt;
buf->maj_flt = (u_int64_t) pstats.p_ru.ru_majflt;
buf->cmin_flt = (u_int64_t) pstats.p_cru.ru_minflt;
buf->cmaj_flt = (u_int64_t) pstats.p_cru.ru_majflt;
buf->flags |= _glibtop_sysdeps_proc_kernel_user;
}
f = open ("/dev/kmem", O_RDONLY, NULL);
if (f == NULL)
glibtop_error_io_r (server, "open (/dev/kmem)");
/* Read the p_stats struct from kernel memory */
lseek (f, (long) pinfo[0].kp_proc.p_stats, SEEK_SET);
if (read (f, &ps, sizeof (struct pstats)))
glibtop_error_io_r (server, "read");
/* Read the struct at kp_proc.p_addr */
lseek (f, (long) pinfo[0].kp_proc.p_addr, SEEK_SET);
if (read(f, &usr, sizeof (struct user)))
glibtop_error_io_r (server, "read");
close (f);
/* kflags:
kinfo_proc.e_flag?
proc.p_flag
proc.p_stat
*/
buf->k_flags = pinfo[0].kp_eproc.e_flag;
/* min_flt: rusage.ru_minflt */
buf->min_flt = ps.p_ru.ru_minflt;
/* maj_flt: rusage.ru_majflt */
buf->maj_flt = ps.p_ru.ru_majflt;
/* cmin_flt: */
buf->cmin_flt = ps.p_cru.ru_minflt;
/* cmaj_flt: */
buf->cmaj_flt = ps.p_cru.ru_majflt;
#if 0
/* kstk_esp: pcb_tss.tss_esp */
buf->kstk_esp = (u_int64_t) usr.u_pcb.pcb_ksp;
/* kstk_eip: pcb_tss.tss_eip */
buf->kstk_eip = (u_int64_t) usr.u_pcb.pcb_pc;
#endif
/* wchan : kinfo_proc.proc.p_wchan */
buf->wchan = (u_int64_t) pinfo[0].kp_proc.p_wchan;
buf->wchan = (u_int64_t) pinfo [0].kp_proc.p_wchan;
}