/* $NetBSD: lfs_debug.c,v 1.54 2015/09/01 06:12:04 dholland Exp $ */ /*- * Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Konrad E. Schroder . * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ /* * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. * * 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 University 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 REGENTS 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 REGENTS 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. * * @(#)lfs_debug.c 8.1 (Berkeley) 6/11/93 */ #include __KERNEL_RCSID(0, "$NetBSD: lfs_debug.c,v 1.54 2015/09/01 06:12:04 dholland Exp $"); #ifdef DEBUG #include #include #include #include #include #include #include #include #include #include #include #include int lfs_lognum; struct lfs_log_entry lfs_log[LFS_LOGLENGTH]; int lfs_bwrite_log(struct buf *bp, const char *file, int line) { struct vop_bwrite_args a; a.a_desc = VDESC(vop_bwrite); a.a_bp = bp; if (!(bp->b_flags & B_GATHERED) && !(bp->b_oflags & BO_DELWRI)) { LFS_ENTER_LOG("write", file, line, bp->b_lblkno, bp->b_flags, curproc->p_pid); } return (VCALL(bp->b_vp, VOFFSET(vop_bwrite), &a)); } void lfs_dumplog(void) { int i; const char *cp; for (i = lfs_lognum; i != (lfs_lognum - 1) % LFS_LOGLENGTH; i = (i + 1) % LFS_LOGLENGTH) if (lfs_log[i].file) { /* Only print out basename, for readability */ cp = lfs_log[i].file; while(*cp) ++cp; while(*cp != '/' && cp > lfs_log[i].file) --cp; printf("lbn %" PRId64 " %s %lx %d, %d %s\n", lfs_log[i].block, lfs_log[i].op, lfs_log[i].flags, lfs_log[i].pid, lfs_log[i].line, cp); } } void lfs_dump_super(struct lfs *lfsp) { int i; printf("%s%x\t%s%x\t%s%ju\t%s%d\n", "magic ", lfsp->lfs_is64 ? lfsp->lfs_dlfs_u.u_64.dlfs_magic : lfsp->lfs_dlfs_u.u_32.dlfs_magic, "version ", lfs_sb_getversion(lfsp), "size ", (uintmax_t)lfs_sb_getsize(lfsp), "ssize ", lfs_sb_getssize(lfsp)); printf("%s%ju\t%s%d\t%s%d\t%s%d\n", "dsize ", (uintmax_t)lfs_sb_getdsize(lfsp), "bsize ", lfs_sb_getbsize(lfsp), "fsize ", lfs_sb_getfsize(lfsp), "frag ", lfs_sb_getfrag(lfsp)); printf("%s%d\t%s%d\t%s%d\t%s%d\n", "minfree ", lfs_sb_getminfree(lfsp), "inopb ", lfs_sb_getinopb(lfsp), "ifpb ", lfs_sb_getifpb(lfsp), "nindir ", lfs_sb_getnindir(lfsp)); printf("%s%d\t%s%d\t%s%d\t%s%d\n", "nseg ", lfs_sb_getnseg(lfsp), "nspf ", lfs_sb_getnspf(lfsp), "cleansz ", lfs_sb_getcleansz(lfsp), "segtabsz ", lfs_sb_getsegtabsz(lfsp)); printf("%s%x\t%s%d\t%s%lx\t%s%d\n", "segmask ", lfs_sb_getsegmask(lfsp), "segshift ", lfs_sb_getsegshift(lfsp), "bmask ", (unsigned long)lfs_sb_getbmask(lfsp), "bshift ", lfs_sb_getbshift(lfsp)); printf("%s%lu\t%s%d\t%s%lx\t%s%u\n", "ffmask ", (unsigned long)lfs_sb_getffmask(lfsp), "ffshift ", lfs_sb_getffshift(lfsp), "fbmask ", (unsigned long)lfs_sb_getfbmask(lfsp), "fbshift ", lfs_sb_getfbshift(lfsp)); printf("%s%d\t%s%d\t%s%x\t%s%jx\n", "sushift ", lfs_sb_getsushift(lfsp), "fsbtodb ", lfs_sb_getfsbtodb(lfsp), "cksum ", lfs_sb_getcksum(lfsp), "maxfilesize ", (uintmax_t)lfs_sb_getmaxfilesize(lfsp)); printf("Superblock disk addresses:"); for (i = 0; i < LFS_MAXNUMSB; i++) printf(" %jx", (intmax_t)lfs_sb_getsboff(lfsp, i)); printf("\n"); printf("Checkpoint Info\n"); printf("%s%ju\t%s%jx\n", "freehd ", (uintmax_t)lfs_sb_getfreehd(lfsp), "idaddr ", (intmax_t)lfs_sb_getidaddr(lfsp)); printf("%s%jx\t%s%ju\t%s%jx\t%s%jx\t%s%jx\t%s%jx\n", "bfree ", (intmax_t)lfs_sb_getbfree(lfsp), "nfiles ", (uintmax_t)lfs_sb_getnfiles(lfsp), "lastseg ", (intmax_t)lfs_sb_getlastseg(lfsp), "nextseg ", (intmax_t)lfs_sb_getnextseg(lfsp), "curseg ", (intmax_t)lfs_sb_getcurseg(lfsp), "offset ", (intmax_t)lfs_sb_getoffset(lfsp)); printf("tstamp %llx\n", (long long)lfs_sb_gettstamp(lfsp)); if (!lfsp->lfs_is64) { printf("32-bit only derived or constant fields\n"); printf("%s%u\n", "ifile ", lfs_sb_getifile(lfsp)); } } void lfs_dump_dinode(struct lfs *fs, union lfs_dinode *dip) { int i; printf("%s%u\t%s%d\t%s%u\t%s%u\t%s%ju\t%s%ju\n", "mode ", lfs_dino_getmode(fs, dip), "nlink ", lfs_dino_getnlink(fs, dip), "uid ", lfs_dino_getuid(fs, dip), "gid ", lfs_dino_getgid(fs, dip), "size ", (uintmax_t)lfs_dino_getsize(fs, dip), "blocks ", (uintmax_t)lfs_dino_getblocks(fs, dip)); printf("inum %ju\n", (uintmax_t)lfs_dino_getinumber(fs, dip)); printf("Direct Addresses\n"); for (i = 0; i < ULFS_NDADDR; i++) { printf("\t%jx", (intmax_t)lfs_dino_getdb(fs, dip, i)); if ((i % 6) == 5) printf("\n"); } for (i = 0; i < ULFS_NIADDR; i++) printf("\t%jx", (intmax_t)lfs_dino_getib(fs, dip, i)); printf("\n"); } void lfs_check_segsum(struct lfs *fs, struct segment *sp, char *file, int line) { int actual; #if 0 static int offset; #endif if ((actual = 1) == 1) return; /* XXXX not checking this anymore, really */ if (sp->sum_bytes_left >= FINFOSIZE(fs) && lfs_fi_getnblocks(fs, sp->fip) > 512) { printf("%s:%d: fi_nblocks = %d\n", file, line, lfs_fi_getnblocks(fs, sp->fip)); #ifdef DDB Debugger(); #endif } if (sp->sum_bytes_left > 484) { printf("%s:%d: bad value (%d = -%d) for sum_bytes_left\n", file, line, sp->sum_bytes_left, lfs_sb_getsumsize(fs)-sp->sum_bytes_left); panic("too many bytes"); } actual = lfs_sb_getsumsize(fs) /* amount taken up by FINFOs */ - ((char *)NEXT_FINFO(fs, sp->fip) - (char *)(sp->segsum)) /* amount taken up by inode blocks */ /* XXX should this be INUMSIZE or BLKPTRSIZE? */ - LFS_INUMSIZE(fs)*((sp->ninodes+LFS_INOPB(fs)-1) / LFS_INOPB(fs)); #if 0 if (actual - sp->sum_bytes_left < offset) { printf("%s:%d: offset changed %d -> %d\n", file, line, offset, actual-sp->sum_bytes_left); offset = actual - sp->sum_bytes_left; /* panic("byte mismatch"); */ } #endif #if 0 if (actual != sp->sum_bytes_left) printf("%s:%d: warning: segsum miscalc at %d (-%d => %d)\n", file, line, sp->sum_bytes_left, lfs_sb_getsumsize(fs)-sp->sum_bytes_left, actual); #endif if (sp->sum_bytes_left > 0 && ((char *)(sp->segsum))[lfs_sb_getsumsize(fs) - sizeof(int32_t) * ((sp->ninodes+LFS_INOPB(fs)-1) / LFS_INOPB(fs)) - sp->sum_bytes_left] != '\0') { printf("%s:%d: warning: segsum overwrite at %d (-%d => %d)\n", file, line, sp->sum_bytes_left, lfs_sb_getsumsize(fs)-sp->sum_bytes_left, actual); #ifdef DDB Debugger(); #endif } } void lfs_check_bpp(struct lfs *fs, struct segment *sp, char *file, int line) { daddr_t blkno; struct buf **bpp; struct vnode *devvp; devvp = VTOI(fs->lfs_ivnode)->i_devvp; blkno = (*(sp->bpp))->b_blkno; for (bpp = sp->bpp; bpp < sp->cbpp; bpp++) { if ((*bpp)->b_blkno != blkno) { if ((*bpp)->b_vp == devvp) { printf("Oops, would misplace raw block " "0x%" PRIx64 " at 0x%" PRIx64 "\n", (*bpp)->b_blkno, blkno); } else { printf("%s:%d: misplace ino %llu lbn %" PRId64 " at 0x%" PRIx64 " instead of " "0x%" PRIx64 "\n", file, line, (unsigned long long) VTOI((*bpp)->b_vp)->i_number, (*bpp)->b_lblkno, blkno, (*bpp)->b_blkno); } } blkno += LFS_FSBTODB(fs, lfs_btofsb(fs, (*bpp)->b_bcount)); } } int lfs_debug_log_subsys[DLOG_MAX]; /* * Log events from various debugging areas of LFS, depending on what * the user has enabled. */ void lfs_debug_log(int subsys, const char *fmt, ...) { va_list ap; /* If not debugging this subsys, exit */ if (lfs_debug_log_subsys[subsys] == 0) return; va_start(ap, fmt); vlog(LOG_DEBUG, fmt, ap); va_end(ap); } #endif /* DEBUG */