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