X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fobdfilter%2Flproc_obdfilter.c;h=147f444536c149177a6411aec94679caf83e6aa2;hb=c14cdf6ed9aa2ef117eb5764e1659763d9267cf5;hp=89203e5c93850c79f5bae1b038b6c9d7618fb078;hpb=96ec6856f91f7f9031cfce4273c714d72cfe59ae;p=fs%2Flustre-release.git diff --git a/lustre/obdfilter/lproc_obdfilter.c b/lustre/obdfilter/lproc_obdfilter.c index 89203e5..147f444 100644 --- a/lustre/obdfilter/lproc_obdfilter.c +++ b/lustre/obdfilter/lproc_obdfilter.c @@ -1,89 +1,514 @@ /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: * - * Copyright (C) 2002, 2003 Cluster File Systems, Inc. + * GPL HEADER START * - * This file is part of Lustre, http://www.lustre.org. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * - * Lustre is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 only, + * as published by the Free Software Foundation. * - * Lustre is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License version 2 for more details (a copy is included + * in the LICENSE file that accompanied this code). * - * You should have received a copy of the GNU General Public License - * along with Lustre; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * You should have received a copy of the GNU General Public License + * version 2 along with this program; If not, see + * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + * GPL HEADER END + */ +/* + * Copyright 2008 Sun Microsystems, Inc. All rights reserved + * Use is subject to license terms. + */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. */ #define DEBUG_SUBSYSTEM S_CLASS #include -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) -#include -#endif -#include -#include +#include +#include +#include +#include -#ifndef LPROCFS -struct lprocfs_vars lprocfs_obd_vars[] = { {0} }; -struct lprocfs_vars lprocfs_module_vars[] = { {0} }; -#else +#include "filter_internal.h" -static inline int lprocfs_filter_statfs(void *data, struct statfs *sfs) +#ifdef LPROCFS +static int lprocfs_filter_rd_groups(char *page, char **start, off_t off, + int count, int *eof, void *data) { - struct obd_device *dev = (struct obd_device *) data; - LASSERT(dev != NULL); - return vfs_statfs(dev->u.filter.fo_sb, sfs); + struct obd_device *obd = (struct obd_device *)data; + *eof = 1; + return snprintf(page, count, "%u\n", obd->u.filter.fo_group_count); } -DEFINE_LPROCFS_STATFS_FCT(rd_blksize, lprocfs_filter_statfs); -DEFINE_LPROCFS_STATFS_FCT(rd_kbytestotal, lprocfs_filter_statfs); -DEFINE_LPROCFS_STATFS_FCT(rd_kbytesfree, lprocfs_filter_statfs); -DEFINE_LPROCFS_STATFS_FCT(rd_filestotal, lprocfs_filter_statfs); -DEFINE_LPROCFS_STATFS_FCT(rd_filesfree, lprocfs_filter_statfs); -DEFINE_LPROCFS_STATFS_FCT(rd_filegroups, lprocfs_filter_statfs); +static int lprocfs_filter_rd_tot_dirty(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *obd = (struct obd_device *)data; + + LASSERT(obd != NULL); + *eof = 1; + return snprintf(page, count, LPU64"\n", obd->u.filter.fo_tot_dirty); +} + +static int lprocfs_filter_rd_tot_granted(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *obd = (struct obd_device *)data; + + LASSERT(obd != NULL); + *eof = 1; + return snprintf(page, count, LPU64"\n", obd->u.filter.fo_tot_granted); +} -int rd_fstype(char *page, char **start, off_t off, int count, int *eof, - void *data) +static int lprocfs_filter_rd_tot_pending(char *page, char **start, off_t off, + int count, int *eof, void *data) { - struct obd_device *dev = (struct obd_device *)data; - LASSERT(dev != NULL); - return snprintf(page, count, "%s\n", dev->u.filter.fo_fstype); + struct obd_device *obd = (struct obd_device *)data; + + LASSERT(obd != NULL); + *eof = 1; + return snprintf(page, count, LPU64"\n", obd->u.filter.fo_tot_pending); } -int lprocfs_filter_rd_mntdev(char *page, char **start, off_t off, int count, - int *eof, void *data) +static int lprocfs_filter_rd_mntdev(char *page, char **start, off_t off, + int count, int *eof, void *data) { - struct obd_device* obd = (struct obd_device *)data; + struct obd_device *obd = (struct obd_device *)data; LASSERT(obd != NULL); LASSERT(obd->u.filter.fo_vfsmnt->mnt_devname); *eof = 1; - return snprintf(page, count, "%s\n", + return snprintf(page, count, "%s\n", obd->u.filter.fo_vfsmnt->mnt_devname); } -struct lprocfs_vars lprocfs_obd_vars[] = { - { "uuid", lprocfs_rd_uuid, 0, 0 }, - { "blocksize", rd_blksize, 0, 0 }, - { "kbytestotal", rd_kbytestotal, 0, 0 }, - { "kbytesfree", rd_kbytesfree, 0, 0 }, - { "filestotal", rd_filestotal, 0, 0 }, - { "filesfree", rd_filesfree, 0, 0 }, - { "filegroups", rd_filegroups, 0, 0 }, - { "fstype", rd_fstype, 0, 0 }, - { "mntdev", lprocfs_filter_rd_mntdev, 0, 0 }, +static int lprocfs_filter_rd_last_id(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *obd = data; + struct filter_obd *filter = &obd->u.filter; + int retval = 0, rc, i; + + if (obd == NULL) + return 0; + + for (i = FILTER_GROUP_MDS0; i < filter->fo_group_count; i++) { + rc = snprintf(page, count, LPU64"\n",filter_last_id(filter, i)); + if (rc < 0) { + retval = rc; + break; + } + page += rc; + count -= rc; + retval += rc; + } + return retval; +} + +int lprocfs_filter_rd_readcache(char *page, char **start, off_t off, int count, + int *eof, void *data) +{ + struct obd_device *obd = data; + int rc; + + rc = snprintf(page, count, LPU64"\n", + obd->u.filter.fo_readcache_max_filesize); + return rc; +} + +int lprocfs_filter_wr_readcache(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *obd = data; + __u64 val; + int rc; + + rc = lprocfs_write_u64_helper(buffer, count, &val); + if (rc) + return rc; + + obd->u.filter.fo_readcache_max_filesize = val; + return count; +} + + +int lprocfs_filter_rd_fmd_max_num(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *obd = data; + int rc; + + rc = snprintf(page, count, "%u\n", obd->u.filter.fo_fmd_max_num); + return rc; +} + +int lprocfs_filter_wr_fmd_max_num(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *obd = data; + int val; + int rc; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + if (val > 65536 || val < 1) + return -EINVAL; + + obd->u.filter.fo_fmd_max_num = val; + return count; +} + +int lprocfs_filter_rd_fmd_max_age(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *obd = data; + int rc; + + rc = snprintf(page, count, "%u\n", obd->u.filter.fo_fmd_max_age / HZ); + return rc; +} + +int lprocfs_filter_wr_fmd_max_age(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *obd = data; + int val; + int rc; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + if (val > 65536 || val < 1) + return -EINVAL; + + obd->u.filter.fo_fmd_max_age = val * HZ; + return count; +} + +static int lprocfs_filter_rd_capa(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *obd = data; + int rc; + + rc = snprintf(page, count, "capability on: %s\n", + obd->u.filter.fo_fl_oss_capa ? "oss" : ""); + return rc; +} + +static int lprocfs_filter_wr_capa(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *obd = data; + int val, rc; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + if (val & ~0x1) { + CERROR("invalid capability mode, only 0/1 are accepted.\n" + " 1: enable oss fid capability\n" + " 0: disable oss fid capability\n"); + return -EINVAL; + } + + obd->u.filter.fo_fl_oss_capa = val; + LCONSOLE_INFO("OSS %s %s fid capability.\n", obd->obd_name, + val ? "enabled" : "disabled"); + return count; +} + +static int lprocfs_filter_rd_capa_count(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + return snprintf(page, count, "%d %d\n", + capa_count[CAPA_SITE_CLIENT], + capa_count[CAPA_SITE_SERVER]); +} + +static struct lprocfs_vars lprocfs_filter_obd_vars[] = { + { "uuid", lprocfs_rd_uuid, 0, 0 }, + { "blocksize", lprocfs_rd_blksize, 0, 0 }, + { "kbytestotal", lprocfs_rd_kbytestotal, 0, 0 }, + { "kbytesfree", lprocfs_rd_kbytesfree, 0, 0 }, + { "kbytesavail", lprocfs_rd_kbytesavail, 0, 0 }, + { "filestotal", lprocfs_rd_filestotal, 0, 0 }, + { "filesfree", lprocfs_rd_filesfree, 0, 0 }, + { "filegroups", lprocfs_filter_rd_groups, 0, 0 }, + { "fstype", lprocfs_rd_fstype, 0, 0 }, + { "mntdev", lprocfs_filter_rd_mntdev, 0, 0 }, + { "last_id", lprocfs_filter_rd_last_id,0, 0 }, + { "tot_dirty", lprocfs_filter_rd_tot_dirty, 0, 0 }, + { "tot_pending", lprocfs_filter_rd_tot_pending, 0, 0 }, + { "tot_granted", lprocfs_filter_rd_tot_granted, 0, 0 }, + { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 }, + { "recovery_maxtime", lprocfs_obd_rd_recovery_maxtime, + lprocfs_obd_wr_recovery_maxtime, 0}, + { "evict_client", 0, lprocfs_wr_evict_client, 0, + &lprocfs_evict_client_fops}, + { "num_exports", lprocfs_rd_num_exports, 0, 0 }, + { "readcache_max_filesize", + lprocfs_filter_rd_readcache, + lprocfs_filter_wr_readcache, 0 }, +#ifdef HAVE_QUOTA_SUPPORT + { "quota_bunit_sz", lprocfs_rd_bunit, lprocfs_wr_bunit, 0}, + { "quota_btune_sz", lprocfs_rd_btune, lprocfs_wr_btune, 0}, + { "quota_iunit_sz", lprocfs_rd_iunit, lprocfs_wr_iunit, 0}, + { "quota_itune_sz", lprocfs_rd_itune, lprocfs_wr_itune, 0}, + { "quota_type", lprocfs_rd_type, lprocfs_wr_type, 0}, +#endif + { "client_cache_count", lprocfs_filter_rd_fmd_max_num, + lprocfs_filter_wr_fmd_max_num, 0 }, + { "client_cache_seconds", lprocfs_filter_rd_fmd_max_age, + lprocfs_filter_wr_fmd_max_age, 0 }, + { "capa", lprocfs_filter_rd_capa, + lprocfs_filter_wr_capa, 0 }, + { "capa_count", lprocfs_filter_rd_capa_count, 0, 0 }, { 0 } }; -struct lprocfs_vars lprocfs_module_vars[] = { - { "num_refs", lprocfs_rd_numrefs, 0, 0 }, +static struct lprocfs_vars lprocfs_filter_module_vars[] = { + { "num_refs", lprocfs_rd_numrefs, 0, 0 }, { 0 } }; +void filter_tally(struct obd_export *exp, struct page **pages, int nr_pages, + unsigned long *blocks, int blocks_per_page, int wr) +{ + struct filter_obd *filter = &exp->exp_obd->u.filter; + struct filter_export_data *fed = &exp->exp_filter_data; + struct page *last_page = NULL; + unsigned long *last_block = NULL; + unsigned long discont_pages = 0; + unsigned long discont_blocks = 0; + int i; + + if (nr_pages == 0) + return; + + lprocfs_oh_tally_log2(&filter->fo_filter_stats.hist[BRW_R_PAGES + wr], + nr_pages); + lprocfs_oh_tally_log2(&fed->fed_brw_stats.hist[BRW_R_PAGES + wr], + nr_pages); + if (exp->exp_nid_stats && exp->exp_nid_stats->nid_brw_stats) + lprocfs_oh_tally_log2(&exp->exp_nid_stats->nid_brw_stats->hist[BRW_W_PAGES + wr], + nr_pages); + + while (nr_pages-- > 0) { + if (last_page && (*pages)->index != (last_page->index + 1)) + discont_pages++; + last_page = *pages; + pages++; + for (i = 0; i < blocks_per_page; i++) { + if (last_block && *blocks != (*last_block + 1)) + discont_blocks++; + last_block = blocks++; + } + } + + lprocfs_oh_tally(&filter->fo_filter_stats.hist[BRW_R_DISCONT_PAGES +wr], + discont_pages); + lprocfs_oh_tally(&fed->fed_brw_stats.hist[BRW_R_DISCONT_PAGES + wr], + discont_pages); + lprocfs_oh_tally(&filter->fo_filter_stats.hist[BRW_R_DISCONT_BLOCKS+wr], + discont_blocks); + lprocfs_oh_tally(&fed->fed_brw_stats.hist[BRW_R_DISCONT_BLOCKS + wr], + discont_blocks); + + if (exp->exp_nid_stats && exp->exp_nid_stats->nid_brw_stats) { + lprocfs_oh_tally_log2(&exp->exp_nid_stats->nid_brw_stats->hist[BRW_W_DISCONT_PAGES + wr], + discont_pages); + lprocfs_oh_tally_log2(&exp->exp_nid_stats->nid_brw_stats->hist[BRW_W_DISCONT_BLOCKS + wr], + discont_blocks); + } +} + +#define pct(a,b) (b ? a * 100 / b : 0) + +static void display_brw_stats(struct seq_file *seq, char *name, char *units, + struct obd_histogram *read, struct obd_histogram *write, int log2) +{ + unsigned long read_tot, write_tot, r, w, read_cum = 0, write_cum = 0; + int i; + + seq_printf(seq, "\n%26s read | write\n", " "); + seq_printf(seq, "%-22s %-5s %% cum %% | %-5s %% cum %%\n", + name, units, units); + + read_tot = lprocfs_oh_sum(read); + write_tot = lprocfs_oh_sum(write); + for (i = 0; i < OBD_HIST_MAX; i++) { + r = read->oh_buckets[i]; + w = write->oh_buckets[i]; + read_cum += r; + write_cum += w; + if (read_cum == 0 && write_cum == 0) + continue; + + if (!log2) + seq_printf(seq, "%u", i); + else if (i < 10) + seq_printf(seq, "%u", 1<hist[BRW_R_PAGES], + &brw_stats->hist[BRW_W_PAGES], 1); + + display_brw_stats(seq, "discontiguous pages", "rpcs", + &brw_stats->hist[BRW_R_DISCONT_PAGES], + &brw_stats->hist[BRW_W_DISCONT_PAGES], 0); + + display_brw_stats(seq, "discontiguous blocks", "rpcs", + &brw_stats->hist[BRW_R_DISCONT_BLOCKS], + &brw_stats->hist[BRW_W_DISCONT_BLOCKS], 0); + + display_brw_stats(seq, "disk fragmented I/Os", "ios", + &brw_stats->hist[BRW_R_DIO_FRAGS], + &brw_stats->hist[BRW_W_DIO_FRAGS], 0); + + display_brw_stats(seq, "disk I/Os in flight", "ios", + &brw_stats->hist[BRW_R_RPC_HIST], + &brw_stats->hist[BRW_W_RPC_HIST], 0); + + { + char title[24]; + sprintf(title, "I/O time (1/%ds)", HZ); + display_brw_stats(seq, title, "ios", + &brw_stats->hist[BRW_R_IO_TIME], + &brw_stats->hist[BRW_W_IO_TIME], 1); + } + + display_brw_stats(seq, "disk I/O size", "ios", + &brw_stats->hist[BRW_R_DISK_IOSIZE], + &brw_stats->hist[BRW_W_DISK_IOSIZE], 1); +} + +#undef pct + +static int filter_brw_stats_seq_show(struct seq_file *seq, void *v) +{ + struct obd_device *dev = seq->private; + struct filter_obd *filter = &dev->u.filter; + + brw_stats_show(seq, &filter->fo_filter_stats); + + return 0; +} + +static ssize_t filter_brw_stats_seq_write(struct file *file, const char *buf, + size_t len, loff_t *off) +{ + struct seq_file *seq = file->private_data; + struct obd_device *dev = seq->private; + struct filter_obd *filter = &dev->u.filter; + int i; + + for (i = 0; i < BRW_LAST; i++) + lprocfs_oh_clear(&filter->fo_filter_stats.hist[i]); + + return len; +} + +LPROC_SEQ_FOPS(filter_brw_stats); + +int lproc_filter_attach_seqstat(struct obd_device *dev) +{ + return lprocfs_obd_seq_create(dev, "brw_stats", 0444, + &filter_brw_stats_fops, dev); +} + +static int filter_per_export_stats_seq_show(struct seq_file *seq, void *v) +{ + struct filter_export_data *fed = seq->private; + + brw_stats_show(seq, &fed->fed_brw_stats); + + return 0; +} + +static ssize_t filter_per_export_stats_seq_write(struct file *file, + const char *buf, size_t len, loff_t *off) +{ + struct seq_file *seq = file->private_data; + struct filter_export_data *fed = seq->private; + int i; + + for (i = 0; i < BRW_LAST; i++) + lprocfs_oh_clear(&fed->fed_brw_stats.hist[i]); + + return len; +} + +LPROC_SEQ_FOPS(filter_per_export_stats); + +void lprocfs_filter_init_vars(struct lprocfs_static_vars *lvars) +{ + lvars->module_vars = lprocfs_filter_module_vars; + lvars->obd_vars = lprocfs_filter_obd_vars; +} + +static int filter_per_nid_stats_seq_show(struct seq_file *seq, void *v) +{ + nid_stat_t *tmp = seq->private; + + if (tmp->nid_brw_stats) + brw_stats_show(seq, tmp->nid_brw_stats); + + return 0; +} + +static ssize_t filter_per_nid_stats_seq_write(struct file *file, + const char *buf, size_t len, + loff_t *off) +{ + struct seq_file *seq = file->private_data; + nid_stat_t *tmp = seq->private; + int i; + + if (tmp->nid_brw_stats) + for (i = 0; i < BRW_LAST; i++) + lprocfs_oh_clear(&tmp->nid_brw_stats->hist[i]); + + return len; +} + +LPROC_SEQ_FOPS(filter_per_nid_stats); #endif /* LPROCFS */ -LPROCFS_INIT_VARS(lprocfs_module_vars, lprocfs_obd_vars)