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ruby--ruby/missing/procstat_vm.c
2019-12-24 10:33:32 +09:00

85 lines
2.3 KiB
C

#include <sys/user.h>
#include <sys/sysctl.h>
#include <sys/param.h>
#include <libprocstat.h>
# ifndef KVME_TYPE_MGTDEVICE
# define KVME_TYPE_MGTDEVICE 8
# endif
void
procstat_vm(struct procstat *procstat, struct kinfo_proc *kipp)
{
struct kinfo_vmentry *freep, *kve;
int ptrwidth;
unsigned int i, cnt;
const char *str;
#ifdef __x86_64__
ptrwidth = 14;
#else
ptrwidth = 2*sizeof(void *) + 2;
#endif
fprintf(stderr, "%*s %*s %3s %4s %4s %3s %3s %4s %-2s %-s\n",
ptrwidth, "START", ptrwidth, "END", "PRT", "RES",
"P""RES", "REF", "SHD", "FL", "TP", "PATH");
#ifdef HAVE_PROCSTAT_GETVMMAP
freep = procstat_getvmmap(procstat, kipp, &cnt);
#else
freep = kinfo_getvmmap(kipp->ki_pid, &cnt);
#endif
if (freep == NULL)
return;
for (i = 0; i < cnt; i++) {
kve = &freep[i];
fprintf(stderr, "%#*jx ", ptrwidth, (uintmax_t)kve->kve_start);
fprintf(stderr, "%#*jx ", ptrwidth, (uintmax_t)kve->kve_end);
fprintf(stderr, "%s", kve->kve_protection & KVME_PROT_READ ? "r" : "-");
fprintf(stderr, "%s", kve->kve_protection & KVME_PROT_WRITE ? "w" : "-");
fprintf(stderr, "%s ", kve->kve_protection & KVME_PROT_EXEC ? "x" : "-");
fprintf(stderr, "%4d ", kve->kve_resident);
fprintf(stderr, "%4d ", kve->kve_private_resident);
fprintf(stderr, "%3d ", kve->kve_ref_count);
fprintf(stderr, "%3d ", kve->kve_shadow_count);
fprintf(stderr, "%-1s", kve->kve_flags & KVME_FLAG_COW ? "C" : "-");
fprintf(stderr, "%-1s", kve->kve_flags & KVME_FLAG_NEEDS_COPY ? "N" :
"-");
fprintf(stderr, "%-1s", kve->kve_flags & KVME_FLAG_SUPER ? "S" : "-");
fprintf(stderr, "%-1s ", kve->kve_flags & KVME_FLAG_GROWS_UP ? "U" :
kve->kve_flags & KVME_FLAG_GROWS_DOWN ? "D" : "-");
switch (kve->kve_type) {
case KVME_TYPE_NONE:
str = "--";
break;
case KVME_TYPE_DEFAULT:
str = "df";
break;
case KVME_TYPE_VNODE:
str = "vn";
break;
case KVME_TYPE_SWAP:
str = "sw";
break;
case KVME_TYPE_DEVICE:
str = "dv";
break;
case KVME_TYPE_PHYS:
str = "ph";
break;
case KVME_TYPE_DEAD:
str = "dd";
break;
case KVME_TYPE_SG:
str = "sg";
break;
case KVME_TYPE_MGTDEVICE:
str = "md";
break;
case KVME_TYPE_UNKNOWN:
default:
str = "??";
break;
}
fprintf(stderr, "%-2s ", str);
fprintf(stderr, "%-s\n", kve->kve_path);
}
free(freep);
}