Commit | Line | Data |
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e08a6384 CT |
1 | /* |
2 | * Copyright (c) 1992 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * %sccs.include.redist.c% | |
6 | */ | |
7 | ||
8 | #ifndef lint | |
9 | static char sccsid[] = "@(#)sum.c 5.1 (Berkeley) %G%"; | |
10 | #endif /* not lint */ | |
11 | ||
12 | #include <sys/param.h> | |
13 | #include <sys/uio.h> | |
14 | #include <sys/namei.h> | |
15 | ||
16 | #include <errno.h> | |
17 | #include <kvm.h> | |
18 | #include <limits.h> | |
19 | #include <nlist.h> | |
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | ||
24 | #include <vm/vm.h> | |
25 | ||
26 | #ifdef tahoe | |
27 | #include <machine/cpu.h> | |
28 | #endif | |
29 | ||
30 | #include "extern.h" | |
31 | ||
32 | int pct __P((long, long)); | |
33 | ||
34 | #define PCT(top, bot) pct((long)(top), (long)(bot)) | |
35 | ||
36 | static struct nlist nl[] = { | |
37 | #define X_CNT 0 | |
38 | { "_cnt" }, | |
39 | #define X_NCHSTATS 1 | |
40 | { "_nchstats" }, | |
41 | #ifdef tahoe /* XXX */ | |
42 | #define X_CKEYSTATS 2 | |
43 | { "_ckeystats" }, | |
44 | #define X_DKEYSTATS 3 | |
45 | { "_dkeystats" }, | |
46 | #endif | |
47 | 0 | |
48 | }; | |
49 | ||
50 | void | |
51 | dosum() | |
52 | { | |
53 | long nchtotal; | |
54 | struct nchstats nchstats; | |
55 | struct vmmeter cnt; | |
56 | #ifdef tahoe | |
57 | struct keystats keystats; | |
58 | #endif | |
59 | ||
60 | knlist(nl); | |
61 | kread(nl[X_CNT].n_value, &cnt, sizeof cnt, "cnt"); | |
62 | (void)printf("%9u cpu context switches\n", cnt.v_swtch); | |
63 | (void)printf("%9u device interrupts\n", cnt.v_intr); | |
64 | (void)printf("%9u software interrupts\n", cnt.v_soft); | |
65 | #ifdef vax | |
66 | (void)printf("%9u pseudo-dma dz interrupts\n", cnt.v_pdma); | |
67 | #endif | |
68 | (void)printf("%9u traps\n", cnt.v_trap); | |
69 | (void)printf("%9u system calls\n", cnt.v_syscall); | |
70 | (void)printf("%9u total faults taken\n", cnt.v_faults); | |
71 | (void)printf("%9u swap ins\n", cnt.v_swpin); | |
72 | (void)printf("%9u swap outs\n", cnt.v_swpout); | |
73 | (void)printf("%9u pages swapped in\n", cnt.v_pswpin / CLSIZE); | |
74 | (void)printf("%9u pages swapped out\n", cnt.v_pswpout / CLSIZE); | |
75 | (void)printf("%9u page ins\n", cnt.v_pageins); | |
76 | (void)printf("%9u page outs\n", cnt.v_pageouts); | |
77 | (void)printf("%9u pages paged in\n", cnt.v_pgpgin); | |
78 | (void)printf("%9u pages paged out\n", cnt.v_pgpgout); | |
79 | (void)printf("%9u pages reactivated\n", cnt.v_reactivated); | |
80 | (void)printf("%9u intransit blocking page faults\n", cnt.v_intrans); | |
81 | (void)printf("%9u zero fill pages created\n", cnt.v_nzfod / CLSIZE); | |
82 | (void)printf("%9u zero fill page faults\n", cnt.v_zfod / CLSIZE); | |
83 | (void)printf("%9u pages examined by the clock daemon\n", cnt.v_scan); | |
84 | (void)printf("%9u revolutions of the clock hand\n", cnt.v_rev); | |
85 | (void)printf("%9u VM object cache lookups\n", cnt.v_lookups); | |
86 | (void)printf("%9u VM object hits\n", cnt.v_hits); | |
87 | (void)printf("%9u total VM faults taken\n", cnt.v_vm_faults); | |
88 | (void)printf("%9u copy-on-write faults\n", cnt.v_cow_faults); | |
89 | (void)printf("%9u pages freed by daemon\n", cnt.v_dfree); | |
90 | (void)printf("%9u pages freed by exiting processes\n", cnt.v_pfree); | |
91 | (void)printf("%9u pages free\n", cnt.v_free_count); | |
92 | (void)printf("%9u pages wired down\n", cnt.v_wire_count); | |
93 | (void)printf("%9u pages active\n", cnt.v_active_count); | |
94 | (void)printf("%9u pages inactive\n", cnt.v_inactive_count); | |
95 | (void)printf("%9u bytes per page\n", cnt.v_page_size); | |
96 | kread(nl[X_NCHSTATS].n_value, &nchstats, sizeof nchstats, "nchstats"); | |
97 | nchtotal = nchstats.ncs_goodhits + nchstats.ncs_neghits + | |
98 | nchstats.ncs_badhits + nchstats.ncs_falsehits + | |
99 | nchstats.ncs_miss + nchstats.ncs_long; | |
100 | (void)printf("%9ld total name lookups\n", nchtotal); | |
101 | (void)printf( | |
102 | "%9s cache hits (%d%% pos + %d%% neg) system %d%% per-process\n", | |
103 | "", PCT(nchstats.ncs_goodhits, nchtotal), | |
104 | PCT(nchstats.ncs_neghits, nchtotal), | |
105 | PCT(nchstats.ncs_pass2, nchtotal)); | |
106 | (void)printf("%9s deletions %d%%, falsehits %d%%, toolong %d%%\n", "", | |
107 | PCT(nchstats.ncs_badhits, nchtotal), | |
108 | PCT(nchstats.ncs_falsehits, nchtotal), | |
109 | PCT(nchstats.ncs_long, nchtotal)); | |
110 | #if defined(tahoe) | |
111 | kread(nl[X_CKEYSTATS].n_value, &keystats, sizeof keystats, "ckeystats"); | |
112 | (void)printf("%9d %s (free %d%% norefs %d%% taken %d%% shared %d%%)\n", | |
113 | keystats.ks_allocs, "code cache keys allocated", | |
114 | PCT(keystats.ks_allocfree, keystats.ks_allocs), | |
115 | PCT(keystats.ks_norefs, keystats.ks_allocs), | |
116 | PCT(keystats.ks_taken, keystats.ks_allocs), | |
117 | PCT(keystats.ks_shared, keystats.ks_allocs)); | |
118 | kread(nl[X_DKEYSTATS].n_value, &keystats, sizeof keystats, "ckeystats"); | |
119 | (void)printf("%9d %s (free %d%% norefs %d%% taken %d%% shared %d%%)\n", | |
120 | keystats.ks_allocs, "data cache keys allocated", | |
121 | PCT(keystats.ks_allocfree, keystats.ks_allocs), | |
122 | PCT(keystats.ks_norefs, keystats.ks_allocs), | |
123 | PCT(keystats.ks_taken, keystats.ks_allocs), | |
124 | PCT(keystats.ks_shared, keystats.ks_allocs)); | |
125 | #endif | |
126 | } | |
127 | ||
128 | int | |
129 | pct(top, bot) | |
130 | long top, bot; | |
131 | { | |
132 | if (bot == 0) | |
133 | return (0); | |
134 | if (bot > (LONG_MAX / 100)) | |
135 | return (top / (bot / 100)); | |
136 | return ((top * 100) / bot); | |
137 | } |