#include <getopt.h>
struct nlist Nl[] = {
+#if 0
{ "_vm_page_buckets" },
{ "_vm_page_hash_mask" },
+#endif
{ "_vm_page_array" },
{ "_vm_page_array_size" },
{ NULL }
int debugopt;
int verboseopt;
+#if 0
struct vm_page **vm_page_buckets;
int vm_page_hash_mask;
+#endif
struct vm_page *vm_page_array;
int vm_page_array_size;
exit(1);
}
+#if 0
kkread(kd, Nl[0].n_value, &vm_page_buckets, sizeof(vm_page_buckets));
kkread(kd, Nl[1].n_value, &vm_page_hash_mask, sizeof(vm_page_hash_mask));
- kkread(kd, Nl[2].n_value, &vm_page_array, sizeof(vm_page_array));
- kkread(kd, Nl[3].n_value, &vm_page_array_size, sizeof(vm_page_array_size));
+#endif
+ kkread(kd, Nl[0].n_value, &vm_page_array, sizeof(vm_page_array));
+ kkread(kd, Nl[1].n_value, &vm_page_array_size, sizeof(vm_page_array_size));
/*
* Scan the vm_page_array validating all pages with associated objects
} else {
qstr = "NONE";
}
- printf("page %p val=%02x dty=%02x hold=%d wired=%-2d active=%-3d busy=%d/%d %s",
+ printf("page %p obj %p/%-8jd val=%02x dty=%02x hold=%d "
+ "wire=%-2d act=%-3d busy=%d %8s",
&vm_page_array[i],
+ m.object,
+ (intmax_t)m.pindex,
m.valid,
m.dirty,
m.hold_count,
m.wire_count,
m.act_count,
m.busy,
- ((m.flags & PG_BUSY) ? 1 : 0),
qstr
);
switch(obj.type) {
ostr = "unknown";
break;
}
-
- if (m.object && verboseopt > 1) {
- printf("\tobj=%p type=%s\n", m.object, ostr);
- } else {
- printf("\n");
- }
+ printf(" %-7s", ostr);
+ if (m.flags & PG_BUSY)
+ printf(" BUSY");
+ if (m.flags & PG_WANTED)
+ printf(" WANTED");
+ if (m.flags & PG_WINATCFLS)
+ printf(" WINATCFLS");
+ if (m.flags & PG_FICTITIOUS)
+ printf(" FICTITIOUS");
+ if (m.flags & PG_WRITEABLE)
+ printf(" WRITEABLE");
+ if (m.flags & PG_MAPPED)
+ printf(" MAPPED");
+ if (m.flags & PG_ZERO)
+ printf(" ZERO");
+ if (m.flags & PG_REFERENCED)
+ printf(" REFERENCED");
+ if (m.flags & PG_CLEANCHK)
+ printf(" CLEANCHK");
+ if (m.flags & PG_SWAPINPROG)
+ printf(" SWAPINPROG");
+ if (m.flags & PG_NOSYNC)
+ printf(" NOSYNC");
+ if (m.flags & PG_UNMANAGED)
+ printf(" UNMANAGED");
+ if (m.flags & PG_MARKER)
+ printf(" MARKER");
+ if (m.flags & PG_RAM)
+ printf(" RAM");
+ if (m.flags & PG_SWAPPED)
+ printf(" SWAPPED");
+ printf("\n");
}
}
if (debugopt || verboseopt)
printf("\n");
+#if 0
/*
* Scan the vm_page_buckets array validating all pages found
*/
mptr = m.hnext;
}
}
+#endif
if (debugopt)
printf("\n");
return(0);
void
checkpage(kvm_t *kd, vm_page_t mptr, vm_page_t m, struct vm_object *obj)
{
+#if 0
struct vm_page scan;
vm_page_t scanptr;
int hv;
printf("vm_page_buckets[%d] ((struct vm_page *)%p)"
" page not found in bucket list\n", hv, mptr);
}
+#endif
}
void
--- /dev/null
+/*
+ * ZALLOCINFO.C
+ *
+ * cc -I/usr/src/sys zallocinfo.c -o /usr/local/bin/zallocinfo -lkvm
+ *
+ * zallocinfo
+ *
+ * Print the slab structure and chains for all cpus.
+ *
+ * Copyright (c) 2010 The DragonFly Project. All rights reserved.
+ *
+ * This code is derived from software contributed to The DragonFly Project
+ * by Matthew Dillon <dillon@backplane.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name of The DragonFly Project nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific, prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#define _KERNEL_STRUCTURES_
+#include <sys/param.h>
+#include <sys/user.h>
+#include <sys/malloc.h>
+#include <sys/slaballoc.h>
+#include <sys/signalvar.h>
+#include <sys/globaldata.h>
+#include <machine/globaldata.h>
+
+#include <vm/vm.h>
+#include <vm/vm_page.h>
+#include <vm/vm_kern.h>
+#include <vm/vm_page.h>
+#include <vm/vm_object.h>
+#include <vm/swap_pager.h>
+#include <vm/vnode_pager.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stddef.h>
+#include <fcntl.h>
+#include <kvm.h>
+#include <nlist.h>
+#include <getopt.h>
+
+struct nlist Nl[] = {
+ { "_CPU_prvspace" },
+ { "_ncpus" },
+ { NULL }
+};
+
+int debugopt;
+int verboseopt;
+
+static void dumpslab(kvm_t *kd, int cpu, struct SLGlobalData *slab);
+static void kkread(kvm_t *kd, u_long addr, void *buf, size_t nbytes);
+
+int
+main(int ac, char **av)
+{
+ const char *corefile = NULL;
+ const char *sysfile = NULL;
+ struct SLGlobalData slab;
+ kvm_t *kd;
+ int offset;
+ int ncpus;
+ int ch;
+ int i;
+
+ while ((ch = getopt(ac, av, "M:N:dv")) != -1) {
+ switch(ch) {
+ case 'd':
+ ++debugopt;
+ break;
+ case 'v':
+ ++verboseopt;
+ break;
+ case 'M':
+ corefile = optarg;
+ break;
+ case 'N':
+ sysfile = optarg;
+ break;
+ default:
+ fprintf(stderr, "%s [-M core] [-N system]\n", av[0]);
+ exit(1);
+ }
+ }
+ ac -= optind;
+ av += optind;
+
+ if ((kd = kvm_open(sysfile, corefile, NULL, O_RDONLY, "kvm:")) == NULL) {
+ perror("kvm_open");
+ exit(1);
+ }
+ if (kvm_nlist(kd, Nl) != 0) {
+ perror("kvm_nlist");
+ exit(1);
+ }
+
+ kkread(kd, Nl[1].n_value, &ncpus, sizeof(ncpus));
+ offset = offsetof(struct privatespace, mdglobaldata.mi.gd_slab);
+ for (i = 0; i < ncpus; ++i) {
+ kkread(kd, Nl[0].n_value + sizeof(struct privatespace) * i + offset, &slab, sizeof(slab));
+ dumpslab(kd, i, &slab);
+ }
+ printf("Done\n");
+ return(0);
+}
+
+static void
+dumpslab(kvm_t *kd, int cpu, struct SLGlobalData *slab)
+{
+ struct SLZone *zonep;
+ struct SLZone zone;
+ int i;
+ int first;
+ int64_t save;
+ int64_t extra = 0;
+
+ printf("cpu %d NFreeZones=%d\n", cpu, slab->NFreeZones);
+
+ for (i = 0; i < NZONES; ++i) {
+ if ((zonep = slab->ZoneAry[i]) == NULL)
+ continue;
+ printf(" zone %2d", i);
+ first = 1;
+ save = extra;
+ while (zonep) {
+ kkread(kd, (u_long)zonep, &zone, sizeof(zone));
+ if (first) {
+ printf(" chunk=%-5d elms=%-4d free:",
+ zone.z_ChunkSize, zone.z_NMax);
+ }
+ if (first == 0)
+ printf(",");
+ printf(" %d", zone.z_NFree);
+ extra += zone.z_NFree * zone.z_ChunkSize;
+ zonep = zone.z_Next;
+ first = 0;
+ }
+ printf(" (%jdK free)\n", (intmax_t)(extra - save) / 1024);
+ }
+ printf(" TotalUnused %jdM\n", (intmax_t)extra / 1024 / 1024);
+}
+
+static void
+kkread(kvm_t *kd, u_long addr, void *buf, size_t nbytes)
+{
+ if (kvm_read(kd, addr, buf, nbytes) != nbytes) {
+ perror("kvm_read");
+ exit(1);
+ }
+}
projects / dragonfly.git / commitdiff