1 a0d146ed 2005-07-12 devnull #include "stdinc.h"
  2 a0d146ed 2005-07-12 devnull #include "dat.h"
  3 a0d146ed 2005-07-12 devnull #include "fns.h"
  4 a0d146ed 2005-07-12 devnull #include <bio.h>
  5 a0d146ed 2005-07-12 devnull 
  6 a0d146ed 2005-07-12 devnull Biobuf bout;
  7 a0d146ed 2005-07-12 devnull 
  8 a0d146ed 2005-07-12 devnull static void
  9 a0d146ed 2005-07-12 devnull pie(IEntry *ie)
 10 a0d146ed 2005-07-12 devnull {
 11 a0d146ed 2005-07-12 devnull 	Bprint(&bout, "%22lld %V %3d %5d\n",
 12 a0d146ed 2005-07-12 devnull 		ie->ia.addr, ie->score, ie->ia.type, ie->ia.size);
 13 a0d146ed 2005-07-12 devnull }
 14 a0d146ed 2005-07-12 devnull 
 15 a0d146ed 2005-07-12 devnull void
 16 a0d146ed 2005-07-12 devnull usage(void)
 17 a0d146ed 2005-07-12 devnull {
 18 a0d146ed 2005-07-12 devnull 	fprint(2, "usage: printarenas [-B blockcachesize] config [arenaname...]\n");
 19 a0d146ed 2005-07-12 devnull 	threadexitsall(0);
 20 a0d146ed 2005-07-12 devnull }
 21 a0d146ed 2005-07-12 devnull 
 22 a0d146ed 2005-07-12 devnull Config conf;
 23 a0d146ed 2005-07-12 devnull 
 24 a0d146ed 2005-07-12 devnull int
 25 a0d146ed 2005-07-12 devnull shoulddump(char *name, int argc, char **argv)
 26 a0d146ed 2005-07-12 devnull {
 27 a0d146ed 2005-07-12 devnull 	int i;
 28 a0d146ed 2005-07-12 devnull 
 29 a0d146ed 2005-07-12 devnull 	if(argc == 0)
 30 a0d146ed 2005-07-12 devnull 		return 1;
 31 a0d146ed 2005-07-12 devnull 	for(i=0; i<argc; i++)
 32 a0d146ed 2005-07-12 devnull 		if(strcmp(name, argv[i]) == 0)
 33 a0d146ed 2005-07-12 devnull 			return 1;
 34 a0d146ed 2005-07-12 devnull 	return 0;
 35 a0d146ed 2005-07-12 devnull }
 36 a0d146ed 2005-07-12 devnull 
 37 a0d146ed 2005-07-12 devnull enum
 38 a0d146ed 2005-07-12 devnull {
 39 28b49df3 2006-07-18 devnull 	ClumpChunks = 32*1024,
 40 a0d146ed 2005-07-12 devnull };
 41 a0d146ed 2005-07-12 devnull 
 42 a0d146ed 2005-07-12 devnull void
 43 a0d146ed 2005-07-12 devnull dumparena(Arena *arena, u64int a)
 44 a0d146ed 2005-07-12 devnull {
 45 a0d146ed 2005-07-12 devnull 	IEntry ie;
 46 a0d146ed 2005-07-12 devnull 	ClumpInfo *ci, *cis;
 47 a0d146ed 2005-07-12 devnull 	u32int clump;
 48 a0d146ed 2005-07-12 devnull 	int i, n, nskip;
 49 a0d146ed 2005-07-12 devnull 
 50 a0d146ed 2005-07-12 devnull 	cis = MKN(ClumpInfo, ClumpChunks);
 51 a0d146ed 2005-07-12 devnull 	nskip = 0;
 52 a0d146ed 2005-07-12 devnull 	memset(&ie, 0, sizeof(IEntry));
 53 a0d146ed 2005-07-12 devnull 	for(clump = 0; clump < arena->memstats.clumps; clump += n){
 54 a0d146ed 2005-07-12 devnull 		n = ClumpChunks;
 55 a0d146ed 2005-07-12 devnull 		if(n > arena->memstats.clumps - clump)
 56 a0d146ed 2005-07-12 devnull 			n = arena->memstats.clumps - clump;
 57 a0d146ed 2005-07-12 devnull 		if(readclumpinfos(arena, clump, cis, n) != n){
 58 a0d146ed 2005-07-12 devnull 			fprint(2, "arena directory read failed: %r\n");
 59 a0d146ed 2005-07-12 devnull 			break;
 60 a0d146ed 2005-07-12 devnull 		}
 61 a0d146ed 2005-07-12 devnull 
 62 a0d146ed 2005-07-12 devnull 		for(i = 0; i < n; i++){
 63 a0d146ed 2005-07-12 devnull 			ci = &cis[i];
 64 a0d146ed 2005-07-12 devnull 			ie.ia.type = ci->type;
 65 a0d146ed 2005-07-12 devnull 			ie.ia.size = ci->uncsize;
 66 a0d146ed 2005-07-12 devnull 			ie.ia.addr = a;
 67 a0d146ed 2005-07-12 devnull 			a += ci->size + ClumpSize;
 68 a0d146ed 2005-07-12 devnull 			ie.ia.blocks = (ci->size + ClumpSize + (1 << ABlockLog) - 1) >> ABlockLog;
 69 a0d146ed 2005-07-12 devnull 			scorecp(ie.score, ci->score);
 70 a0d146ed 2005-07-12 devnull 			pie(&ie);
 71 a0d146ed 2005-07-12 devnull 		}
 72 a0d146ed 2005-07-12 devnull 	}
 73 a0d146ed 2005-07-12 devnull 	free(cis);
 74 a0d146ed 2005-07-12 devnull }
 75 a0d146ed 2005-07-12 devnull 
 76 a0d146ed 2005-07-12 devnull void
 77 a0d146ed 2005-07-12 devnull threadmain(int argc, char *argv[])
 78 a0d146ed 2005-07-12 devnull {
 79 a0d146ed 2005-07-12 devnull 	int i;
 80 a0d146ed 2005-07-12 devnull 	Index *ix;
 81 a0d146ed 2005-07-12 devnull 	u32int bcmem;
 82 a0d146ed 2005-07-12 devnull 
 83 a0d146ed 2005-07-12 devnull 	bcmem = 0;
 84 a0d146ed 2005-07-12 devnull 	ARGBEGIN{
 85 a0d146ed 2005-07-12 devnull 	case 'B':
 86 a0d146ed 2005-07-12 devnull 		bcmem = unittoull(ARGF());
 87 a0d146ed 2005-07-12 devnull 		break;
 88 a0d146ed 2005-07-12 devnull 	default:
 89 a0d146ed 2005-07-12 devnull 		usage();
 90 a0d146ed 2005-07-12 devnull 		break;
 91 a0d146ed 2005-07-12 devnull 	}ARGEND
 92 a0d146ed 2005-07-12 devnull 
 93 a0d146ed 2005-07-12 devnull 	if(argc < 1)
 94 a0d146ed 2005-07-12 devnull 		usage();
 95 a0d146ed 2005-07-12 devnull 
 96 a0d146ed 2005-07-12 devnull 	ventifmtinstall();
 97 a0d146ed 2005-07-12 devnull 
 98 a0d146ed 2005-07-12 devnull 	if(initventi(argv[0], &conf) < 0)
 99 a0d146ed 2005-07-12 devnull 		sysfatal("can't init venti: %r");
100 a0d146ed 2005-07-12 devnull 
101 a0d146ed 2005-07-12 devnull 	if(bcmem < maxblocksize * (mainindex->narenas + mainindex->nsects * 4 + 16))
102 a0d146ed 2005-07-12 devnull 		bcmem = maxblocksize * (mainindex->narenas + mainindex->nsects * 4 + 16);
103 a0d146ed 2005-07-12 devnull 	if(0) fprint(2, "initialize %d bytes of disk block cache\n", bcmem);
104 a0d146ed 2005-07-12 devnull 	initdcache(bcmem);
105 a0d146ed 2005-07-12 devnull 
106 a0d146ed 2005-07-12 devnull 	Binit(&bout, 1, OWRITE);
107 a0d146ed 2005-07-12 devnull 	ix = mainindex;
108 a0d146ed 2005-07-12 devnull 	for(i=0; i<ix->narenas; i++)
109 a0d146ed 2005-07-12 devnull 		if(shoulddump(ix->arenas[i]->name, argc-1, argv+1))
110 a0d146ed 2005-07-12 devnull 			dumparena(ix->arenas[i], ix->amap[i].start);
111 a0d146ed 2005-07-12 devnull 	Bterm(&bout);
112 a0d146ed 2005-07-12 devnull 	threadexitsall(0);
113 a0d146ed 2005-07-12 devnull }