1 7a4ee46d 2003-11-23 devnull #include "stdinc.h"
2 7a4ee46d 2003-11-23 devnull #include "dat.h"
3 7a4ee46d 2003-11-23 devnull #include "fns.h"
5 7a4ee46d 2003-11-23 devnull int count[VtMaxLumpSize][VtMaxType];
9 7a4ee46d 2003-11-23 devnull ClumpChunks = 32*1024
12 7a4ee46d 2003-11-23 devnull static int
13 7a4ee46d 2003-11-23 devnull readarenainfo(Arena *arena)
15 7a4ee46d 2003-11-23 devnull ClumpInfo *ci, *cis;
16 7a4ee46d 2003-11-23 devnull u32int clump;
17 7a4ee46d 2003-11-23 devnull int i, n, ok;
19 7a4ee46d 2003-11-23 devnull if(arena->clumps)
20 7a4ee46d 2003-11-23 devnull fprint(2, "reading directory for arena=%s with %d entries\n", arena->name, arena->clumps);
22 7a4ee46d 2003-11-23 devnull cis = MKN(ClumpInfo, ClumpChunks);
24 7a4ee46d 2003-11-23 devnull for(clump = 0; clump < arena->clumps; clump += n){
25 7a4ee46d 2003-11-23 devnull n = ClumpChunks;
27 7a4ee46d 2003-11-23 devnull if(n > arena->clumps - clump)
28 7a4ee46d 2003-11-23 devnull n = arena->clumps - clump;
30 7a4ee46d 2003-11-23 devnull if((i=readclumpinfos(arena, clump, cis, n)) != n){
31 7a4ee46d 2003-11-23 devnull seterr(EOk, "arena directory read failed %d not %d: %r", i, n);
36 7a4ee46d 2003-11-23 devnull for(i = 0; i < n; i++){
37 7a4ee46d 2003-11-23 devnull ci = &cis[i];
38 7a4ee46d 2003-11-23 devnull if(ci->type >= VtMaxType || ci->uncsize >= VtMaxLumpSize) {
39 7a4ee46d 2003-11-23 devnull fprint(2, "bad clump: %d: type = %d: size = %d\n", clump+i, ci->type, ci->uncsize);
40 7a4ee46d 2003-11-23 devnull continue;
42 7a4ee46d 2003-11-23 devnull if(ci->uncsize == 422)
43 7a4ee46d 2003-11-23 devnull print("%s: %d: %V\n", arena->name, clump+i, ci->score);
44 7a4ee46d 2003-11-23 devnull count[ci->uncsize][ci->type]++;
47 7a4ee46d 2003-11-23 devnull free(cis);
48 7a4ee46d 2003-11-23 devnull if(ok < 0)
49 7a4ee46d 2003-11-23 devnull return TWID32;
50 7a4ee46d 2003-11-23 devnull return clump;
53 7a4ee46d 2003-11-23 devnull static void
54 7a4ee46d 2003-11-23 devnull clumpstats(Index *ix)
57 7a4ee46d 2003-11-23 devnull ulong clumps, n;
58 7a4ee46d 2003-11-23 devnull int i, j, t;
61 7a4ee46d 2003-11-23 devnull clumps = 0;
62 7a4ee46d 2003-11-23 devnull for(i = 0; i < ix->narenas; i++){
63 7a4ee46d 2003-11-23 devnull n = readarenainfo(ix->arenas[i]);
64 7a4ee46d 2003-11-23 devnull if(n == TWID32){
68 7a4ee46d 2003-11-23 devnull clumps += n;
71 7a4ee46d 2003-11-23 devnull if(ok < 0)
74 7a4ee46d 2003-11-23 devnull print("clumps = %ld\n", clumps);
75 7a4ee46d 2003-11-23 devnull for(i=0; i<VtMaxLumpSize; i++) {
77 7a4ee46d 2003-11-23 devnull for(j=0; j<VtMaxType; j++)
78 7a4ee46d 2003-11-23 devnull t += count[i][j];
79 7a4ee46d 2003-11-23 devnull if(t == 0)
80 7a4ee46d 2003-11-23 devnull continue;
81 7a4ee46d 2003-11-23 devnull print("%d\t%d", i, t);
82 7a4ee46d 2003-11-23 devnull for(j=0; j<VtMaxType; j++)
83 7a4ee46d 2003-11-23 devnull print("\t%d", count[i][j]);
84 7a4ee46d 2003-11-23 devnull print("\n");
90 7a4ee46d 2003-11-23 devnull usage(void)
92 7a4ee46d 2003-11-23 devnull fprint(2, "usage: clumpstats [-B blockcachesize] config\n");
93 7a4ee46d 2003-11-23 devnull threadexitsall(0);
97 7a4ee46d 2003-11-23 devnull threadmain(int argc, char *argv[])
99 7a4ee46d 2003-11-23 devnull u32int bcmem;
101 7a4ee46d 2003-11-23 devnull bcmem = 0;
103 7a4ee46d 2003-11-23 devnull ARGBEGIN{
104 7a4ee46d 2003-11-23 devnull case 'B':
105 7a4ee46d 2003-11-23 devnull bcmem = unittoull(ARGF());
107 7a4ee46d 2003-11-23 devnull default:
108 7a4ee46d 2003-11-23 devnull usage();
112 7a4ee46d 2003-11-23 devnull readonly = 1;
114 7a4ee46d 2003-11-23 devnull if(argc != 1)
115 7a4ee46d 2003-11-23 devnull usage();
117 7a4ee46d 2003-11-23 devnull if(initventi(argv[0]) < 0)
118 7a4ee46d 2003-11-23 devnull sysfatal("can't init venti: %r");
120 7a4ee46d 2003-11-23 devnull if(bcmem < maxblocksize * (mainindex->narenas + mainindex->nsects * 4 + 16))
121 7a4ee46d 2003-11-23 devnull bcmem = maxblocksize * (mainindex->narenas + mainindex->nsects * 4 + 16);
122 7a4ee46d 2003-11-23 devnull fprint(2, "initialize %d bytes of disk block cache\n", bcmem);
123 7a4ee46d 2003-11-23 devnull initdcache(bcmem);
125 7a4ee46d 2003-11-23 devnull clumpstats(mainindex);
127 7a4ee46d 2003-11-23 devnull threadexitsall(0);
