X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fobdfilter%2Flproc_obdfilter.c;h=22ef020f94195e0430cb76a11a6dc2ac92ac2138;hb=d2826efa969753456bb7d59f9554a6519ed96b86;hp=411a9fb92b826be8771afaf23fbdd603268f6c71;hpb=a2a0746305449dbd925879b14dc2c0d6040bb8bf;p=fs%2Flustre-release.git diff --git a/lustre/obdfilter/lproc_obdfilter.c b/lustre/obdfilter/lproc_obdfilter.c index 411a9fb..22ef020 100644 --- a/lustre/obdfilter/lproc_obdfilter.c +++ b/lustre/obdfilter/lproc_obdfilter.c @@ -3,37 +3,78 @@ * * Copyright (C) 2002, 2003 Cluster File Systems, Inc. * - * This file is part of Lustre, http://www.lustre.org. + * This file is part of the Lustre file system, http://www.lustre.org + * Lustre is a trademark of Cluster File Systems, Inc. * - * 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. + * You may have signed or agreed to another license before downloading + * this software. If so, you are bound by the terms and conditions + * of that agreement, and the following does not apply to you. See the + * LICENSE file included with this distribution for more information. * - * 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. + * If you did not agree to a different license, then this copy of Lustre + * is open source 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. * - * 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. + * In either case, 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 + * license text for more details. * */ #define DEBUG_SUBSYSTEM S_CLASS #include -#include -#include +#include +#include +#include +#include + +#include "filter_internal.h" + +#ifdef LPROCFS +static int lprocfs_filter_rd_groups(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *obd = (struct obd_device *)data; + *eof = 1; + return snprintf(page, count, "%u\n", obd->u.filter.fo_group_count); +} + +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); +} + +static int lprocfs_filter_rd_tot_pending(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *obd = (struct obd_device *)data; -#ifndef LPROCFS -static struct lprocfs_vars lprocfs_obd_vars[] = { {0} }; -static struct lprocfs_vars lprocfs_module_vars[] = { {0} }; -#else + LASSERT(obd != NULL); + *eof = 1; + return snprintf(page, count, LPU64"\n", obd->u.filter.fo_tot_pending); +} 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); @@ -42,23 +83,382 @@ static int lprocfs_filter_rd_mntdev(char *page, char **start, off_t off, obd->u.filter.fo_vfsmnt->mnt_devname); } -static struct lprocfs_vars lprocfs_obd_vars[] = { +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_rd_filegroups, 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 } }; -static struct lprocfs_vars lprocfs_module_vars[] = { +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); + + 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); +} + +#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); +} + +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; +} #endif /* LPROCFS */ -LPROCFS_INIT_VARS(filter,lprocfs_module_vars, lprocfs_obd_vars)