1 | /* $NetBSD: uvm_stat.c,v 1.37 2011/05/17 04:18:07 mrg Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 1997 Charles D. Cranor and Washington University. |
5 | * All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * |
27 | * from: Id: uvm_stat.c,v 1.1.2.3 1997/12/19 15:01:00 mrg Exp |
28 | */ |
29 | |
30 | /* |
31 | * uvm_stat.c |
32 | */ |
33 | |
34 | #include <sys/cdefs.h> |
35 | __KERNEL_RCSID(0, "$NetBSD: uvm_stat.c,v 1.37 2011/05/17 04:18:07 mrg Exp $" ); |
36 | |
37 | #include "opt_readahead.h" |
38 | #include "opt_ddb.h" |
39 | |
40 | #include <sys/param.h> |
41 | #include <sys/systm.h> |
42 | #include <sys/cpu.h> |
43 | |
44 | #include <uvm/uvm.h> |
45 | #include <uvm/uvm_ddb.h> |
46 | |
47 | #ifdef DDB |
48 | |
49 | /* |
50 | * uvmexp_print: ddb hook to print interesting uvm counters |
51 | */ |
52 | void |
53 | uvmexp_print(void (*pr)(const char *, ...) |
54 | __attribute__((__format__(__printf__,1,2)))) |
55 | { |
56 | int active, inactive; |
57 | CPU_INFO_ITERATOR cii; |
58 | struct cpu_info *ci; |
59 | |
60 | uvm_estimatepageable(&active, &inactive); |
61 | |
62 | (*pr)("Current UVM status:\n" ); |
63 | (*pr)(" pagesize=%d (0x%x), pagemask=0x%x, pageshift=%d\n, ncolors=%d" , |
64 | uvmexp.pagesize, uvmexp.pagesize, uvmexp.pagemask, |
65 | uvmexp.pageshift, uvmexp.ncolors); |
66 | (*pr)(" %d VM pages: %d active, %d inactive, %d wired, %d free\n" , |
67 | uvmexp.npages, active, inactive, uvmexp.wired, |
68 | uvmexp.free); |
69 | (*pr)(" pages %d anon, %d file, %d exec\n" , |
70 | uvmexp.anonpages, uvmexp.filepages, uvmexp.execpages); |
71 | (*pr)(" freemin=%d, free-target=%d, wired-max=%d\n" , |
72 | uvmexp.freemin, uvmexp.freetarg, uvmexp.wiredmax); |
73 | |
74 | for (CPU_INFO_FOREACH(cii, ci)) { |
75 | (*pr)(" cpu%u:\n" , cpu_index(ci)); |
76 | (*pr)(" faults=%" PRIu64 ", traps=%" PRIu64 ", " |
77 | "intrs=%" PRIu64 ", ctxswitch=%" PRIu64 "\n" , |
78 | ci->ci_data.cpu_nfault, ci->ci_data.cpu_ntrap, |
79 | ci->ci_data.cpu_nintr, ci->ci_data.cpu_nswtch); |
80 | (*pr)(" softint=%" PRIu64 ", syscalls=%" PRIu64 "\n" , |
81 | ci->ci_data.cpu_nsoft, ci->ci_data.cpu_nsyscall); |
82 | } |
83 | |
84 | (*pr)(" fault counts:\n" ); |
85 | (*pr)(" noram=%d, noanon=%d, pgwait=%d, pgrele=%d\n" , |
86 | uvmexp.fltnoram, uvmexp.fltnoanon, uvmexp.fltpgwait, |
87 | uvmexp.fltpgrele); |
88 | (*pr)(" ok relocks(total)=%d(%d), anget(retrys)=%d(%d), " |
89 | "amapcopy=%d\n" , uvmexp.fltrelckok, uvmexp.fltrelck, |
90 | uvmexp.fltanget, uvmexp.fltanretry, uvmexp.fltamcopy); |
91 | (*pr)(" neighbor anon/obj pg=%d/%d, gets(lock/unlock)=%d/%d\n" , |
92 | uvmexp.fltnamap, uvmexp.fltnomap, uvmexp.fltlget, uvmexp.fltget); |
93 | (*pr)(" cases: anon=%d, anoncow=%d, obj=%d, prcopy=%d, przero=%d\n" , |
94 | uvmexp.flt_anon, uvmexp.flt_acow, uvmexp.flt_obj, uvmexp.flt_prcopy, |
95 | uvmexp.flt_przero); |
96 | |
97 | (*pr)(" daemon and swap counts:\n" ); |
98 | (*pr)(" woke=%d, revs=%d, scans=%d, obscans=%d, anscans=%d\n" , |
99 | uvmexp.pdwoke, uvmexp.pdrevs, uvmexp.pdscans, uvmexp.pdobscan, |
100 | uvmexp.pdanscan); |
101 | (*pr)(" busy=%d, freed=%d, reactivate=%d, deactivate=%d\n" , |
102 | uvmexp.pdbusy, uvmexp.pdfreed, uvmexp.pdreact, uvmexp.pddeact); |
103 | (*pr)(" pageouts=%d, pending=%d, nswget=%d\n" , uvmexp.pdpageouts, |
104 | uvmexp.pdpending, uvmexp.nswget); |
105 | (*pr)(" nswapdev=%d, swpgavail=%d\n" , |
106 | uvmexp.nswapdev, uvmexp.swpgavail); |
107 | (*pr)(" swpages=%d, swpginuse=%d, swpgonly=%d, paging=%d\n" , |
108 | uvmexp.swpages, uvmexp.swpginuse, uvmexp.swpgonly, uvmexp.paging); |
109 | } |
110 | #endif |
111 | |
112 | #if defined(READAHEAD_STATS) |
113 | |
114 | #define UVM_RA_EVCNT_DEFINE(name) \ |
115 | struct evcnt uvm_ra_##name = \ |
116 | EVCNT_INITIALIZER(EVCNT_TYPE_MISC, NULL, "readahead", #name); \ |
117 | EVCNT_ATTACH_STATIC(uvm_ra_##name); |
118 | |
119 | UVM_RA_EVCNT_DEFINE(total); |
120 | UVM_RA_EVCNT_DEFINE(hit); |
121 | UVM_RA_EVCNT_DEFINE(miss); |
122 | |
123 | #endif /* defined(READAHEAD_STATS) */ |
124 | |