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authornaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2014-03-10 17:10:57 +0000
committernaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2014-03-10 17:10:57 +0000
commitfefbd47bddb5b849feea81cae79bd09fb6dcfd1b (patch)
tree9eaac4ec206d71a90056bf6f4fcaa222061fd9fd /vm_dump.c
parentbe7cc583704ad9d3d5b1395cd516cc1b6e3584b9 (diff)
* vm_dump.c (rb_vm_bugreport): show vm maps on FreeBSD.
* vm_dump.c (procstat_vm): copied from FreeBSD. http://svnweb.freebsd.org/base/head/usr.bin/procstat/procstat_vm.c?revision=261780 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45306 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'vm_dump.c')
-rw-r--r--vm_dump.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/vm_dump.c b/vm_dump.c
index f691e5a..96eacd8 100644
--- a/vm_dump.c
+++ b/vm_dump.c
@@ -704,6 +704,90 @@ rb_print_backtrace(void)
#endif
}
+#ifdef __FreeBSD__
+#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",
+ "PRES", "REF", "SHD", "FL", "TP", "PATH");
+
+ freep = procstat_getvmmap(procstat, kipp, &cnt);
+ 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);
+}
+#endif
+
void
rb_vm_bugreport(void)
{
@@ -803,5 +887,25 @@ rb_vm_bugreport(void)
}
}
#endif /* __linux__ */
+#ifdef __FreeBSD__
+# define MIB_KERN_PROC_PID_LEN 4
+ int mib[MIB_KERN_PROC_PID_LEN];
+ struct kinfo_proc kp;
+ size_t len = sizeof(struct kinfo_proc);
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_PROC;
+ mib[2] = KERN_PROC_PID;
+ mib[3] = getpid();
+ if (sysctl(mib, MIB_KERN_PROC_PID_LEN, &kp, &len, NULL, 0) == -1) {
+ perror("sysctl");
+ }
+ else {
+ struct procstat *prstat = procstat_open_sysctl();
+ fprintf(stderr, "* Process memory map:\n\n");
+ procstat_vm(prstat, &kp);
+ procstat_close(prstat);
+ fprintf(stderr, "\n");
+ }
+#endif /* __FreeBSD__ */
}
}