729 lines
20 KiB
C
729 lines
20 KiB
C
/*
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* GPL HEADER START
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 only,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License version 2 for more details (a copy is included
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* in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; If not, see
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* http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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* GPL HEADER END
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*/
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/*
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* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
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* Use is subject to license terms.
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*
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* Copyright (c) 2011, 2012, Intel Corporation.
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*/
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/*
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* This file is part of Lustre, http://www.lustre.org/
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* Lustre is a trademark of Sun Microsystems, Inc.
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*/
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#define DEBUG_SUBSYSTEM S_CLASS
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#include <linux/version.h>
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#include <asm/statfs.h>
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#include <obd_cksum.h>
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#include <obd_class.h>
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#include <lprocfs_status.h>
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#include <linux/seq_file.h>
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#include "osc_internal.h"
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#ifdef LPROCFS
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static int osc_active_seq_show(struct seq_file *m, void *v)
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{
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struct obd_device *dev = m->private;
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int rc;
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LPROCFS_CLIMP_CHECK(dev);
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rc = seq_printf(m, "%d\n", !dev->u.cli.cl_import->imp_deactive);
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LPROCFS_CLIMP_EXIT(dev);
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return rc;
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}
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static ssize_t osc_active_seq_write(struct file *file, const char *buffer,
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size_t count, loff_t *off)
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{
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struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
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int val, rc;
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rc = lprocfs_write_helper(buffer, count, &val);
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if (rc)
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return rc;
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if (val < 0 || val > 1)
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return -ERANGE;
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/* opposite senses */
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if (dev->u.cli.cl_import->imp_deactive == val)
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rc = ptlrpc_set_import_active(dev->u.cli.cl_import, val);
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else
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CDEBUG(D_CONFIG, "activate %d: ignoring repeat request\n", val);
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return count;
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}
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LPROC_SEQ_FOPS(osc_active);
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static int osc_max_rpcs_in_flight_seq_show(struct seq_file *m, void *v)
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{
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struct obd_device *dev = m->private;
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struct client_obd *cli = &dev->u.cli;
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int rc;
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client_obd_list_lock(&cli->cl_loi_list_lock);
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rc = seq_printf(m, "%u\n", cli->cl_max_rpcs_in_flight);
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client_obd_list_unlock(&cli->cl_loi_list_lock);
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return rc;
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}
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static ssize_t osc_max_rpcs_in_flight_seq_write(struct file *file,
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const char *buffer, size_t count, loff_t *off)
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{
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struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
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struct client_obd *cli = &dev->u.cli;
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struct ptlrpc_request_pool *pool = cli->cl_import->imp_rq_pool;
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int val, rc;
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rc = lprocfs_write_helper(buffer, count, &val);
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if (rc)
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return rc;
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if (val < 1 || val > OSC_MAX_RIF_MAX)
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return -ERANGE;
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LPROCFS_CLIMP_CHECK(dev);
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if (pool && val > cli->cl_max_rpcs_in_flight)
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pool->prp_populate(pool, val-cli->cl_max_rpcs_in_flight);
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client_obd_list_lock(&cli->cl_loi_list_lock);
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cli->cl_max_rpcs_in_flight = val;
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client_obd_list_unlock(&cli->cl_loi_list_lock);
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LPROCFS_CLIMP_EXIT(dev);
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return count;
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}
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LPROC_SEQ_FOPS(osc_max_rpcs_in_flight);
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static int osc_max_dirty_mb_seq_show(struct seq_file *m, void *v)
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{
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struct obd_device *dev = m->private;
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struct client_obd *cli = &dev->u.cli;
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long val;
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int mult;
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client_obd_list_lock(&cli->cl_loi_list_lock);
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val = cli->cl_dirty_max;
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client_obd_list_unlock(&cli->cl_loi_list_lock);
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mult = 1 << 20;
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return lprocfs_seq_read_frac_helper(m, val, mult);
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}
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static ssize_t osc_max_dirty_mb_seq_write(struct file *file, const char *buffer,
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size_t count, loff_t *off)
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{
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struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
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struct client_obd *cli = &dev->u.cli;
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int pages_number, mult, rc;
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mult = 1 << (20 - PAGE_CACHE_SHIFT);
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rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult);
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if (rc)
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return rc;
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if (pages_number <= 0 ||
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pages_number > OSC_MAX_DIRTY_MB_MAX << (20 - PAGE_CACHE_SHIFT) ||
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pages_number > num_physpages / 4) /* 1/4 of RAM */
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return -ERANGE;
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client_obd_list_lock(&cli->cl_loi_list_lock);
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cli->cl_dirty_max = (obd_count)(pages_number << PAGE_CACHE_SHIFT);
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osc_wake_cache_waiters(cli);
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client_obd_list_unlock(&cli->cl_loi_list_lock);
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return count;
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}
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LPROC_SEQ_FOPS(osc_max_dirty_mb);
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static int osc_cached_mb_seq_show(struct seq_file *m, void *v)
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{
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struct obd_device *dev = m->private;
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struct client_obd *cli = &dev->u.cli;
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int shift = 20 - PAGE_CACHE_SHIFT;
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int rc;
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rc = seq_printf(m,
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"used_mb: %d\n"
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"busy_cnt: %d\n",
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(atomic_read(&cli->cl_lru_in_list) +
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atomic_read(&cli->cl_lru_busy)) >> shift,
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atomic_read(&cli->cl_lru_busy));
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return rc;
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}
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/* shrink the number of caching pages to a specific number */
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static ssize_t osc_cached_mb_seq_write(struct file *file, const char *buffer,
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size_t count, loff_t *off)
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{
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struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
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struct client_obd *cli = &dev->u.cli;
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int pages_number, mult, rc;
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mult = 1 << (20 - PAGE_CACHE_SHIFT);
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buffer = lprocfs_find_named_value(buffer, "used_mb:", &count);
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rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult);
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if (rc)
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return rc;
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if (pages_number < 0)
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return -ERANGE;
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rc = atomic_read(&cli->cl_lru_in_list) - pages_number;
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if (rc > 0)
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(void)osc_lru_shrink(cli, rc);
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return count;
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}
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LPROC_SEQ_FOPS(osc_cached_mb);
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static int osc_cur_dirty_bytes_seq_show(struct seq_file *m, void *v)
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{
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struct obd_device *dev = m->private;
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struct client_obd *cli = &dev->u.cli;
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int rc;
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client_obd_list_lock(&cli->cl_loi_list_lock);
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rc = seq_printf(m, "%lu\n", cli->cl_dirty);
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client_obd_list_unlock(&cli->cl_loi_list_lock);
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return rc;
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}
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LPROC_SEQ_FOPS_RO(osc_cur_dirty_bytes);
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static int osc_cur_grant_bytes_seq_show(struct seq_file *m, void *v)
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{
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struct obd_device *dev = m->private;
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struct client_obd *cli = &dev->u.cli;
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int rc;
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client_obd_list_lock(&cli->cl_loi_list_lock);
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rc = seq_printf(m, "%lu\n", cli->cl_avail_grant);
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client_obd_list_unlock(&cli->cl_loi_list_lock);
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return rc;
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}
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static ssize_t osc_cur_grant_bytes_seq_write(struct file *file, const char *buffer,
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size_t count, loff_t *off)
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{
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struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
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struct client_obd *cli = &obd->u.cli;
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int rc;
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__u64 val;
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if (obd == NULL)
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return 0;
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rc = lprocfs_write_u64_helper(buffer, count, &val);
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if (rc)
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return rc;
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/* this is only for shrinking grant */
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client_obd_list_lock(&cli->cl_loi_list_lock);
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if (val >= cli->cl_avail_grant) {
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client_obd_list_unlock(&cli->cl_loi_list_lock);
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return 0;
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}
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client_obd_list_unlock(&cli->cl_loi_list_lock);
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LPROCFS_CLIMP_CHECK(obd);
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if (cli->cl_import->imp_state == LUSTRE_IMP_FULL)
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rc = osc_shrink_grant_to_target(cli, val);
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LPROCFS_CLIMP_EXIT(obd);
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if (rc)
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return rc;
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return count;
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}
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LPROC_SEQ_FOPS(osc_cur_grant_bytes);
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static int osc_cur_lost_grant_bytes_seq_show(struct seq_file *m, void *v)
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{
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struct obd_device *dev = m->private;
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struct client_obd *cli = &dev->u.cli;
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int rc;
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client_obd_list_lock(&cli->cl_loi_list_lock);
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rc = seq_printf(m, "%lu\n", cli->cl_lost_grant);
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client_obd_list_unlock(&cli->cl_loi_list_lock);
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return rc;
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}
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LPROC_SEQ_FOPS_RO(osc_cur_lost_grant_bytes);
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static int osc_grant_shrink_interval_seq_show(struct seq_file *m, void *v)
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{
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struct obd_device *obd = m->private;
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if (obd == NULL)
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return 0;
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return seq_printf(m, "%d\n",
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obd->u.cli.cl_grant_shrink_interval);
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}
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static ssize_t osc_grant_shrink_interval_seq_write(struct file *file,
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const char *buffer, size_t count, loff_t *off)
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{
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struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
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int val, rc;
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if (obd == NULL)
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return 0;
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rc = lprocfs_write_helper(buffer, count, &val);
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if (rc)
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return rc;
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if (val <= 0)
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return -ERANGE;
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obd->u.cli.cl_grant_shrink_interval = val;
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return count;
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}
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LPROC_SEQ_FOPS(osc_grant_shrink_interval);
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static int osc_checksum_seq_show(struct seq_file *m, void *v)
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{
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struct obd_device *obd = m->private;
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if (obd == NULL)
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return 0;
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return seq_printf(m, "%d\n",
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obd->u.cli.cl_checksum ? 1 : 0);
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}
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static ssize_t osc_checksum_seq_write(struct file *file, const char *buffer,
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size_t count, loff_t *off)
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{
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struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
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int val, rc;
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if (obd == NULL)
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return 0;
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rc = lprocfs_write_helper(buffer, count, &val);
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if (rc)
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return rc;
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obd->u.cli.cl_checksum = (val ? 1 : 0);
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return count;
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}
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LPROC_SEQ_FOPS(osc_checksum);
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static int osc_checksum_type_seq_show(struct seq_file *m, void *v)
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{
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struct obd_device *obd = m->private;
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int i;
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DECLARE_CKSUM_NAME;
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if (obd == NULL)
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return 0;
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for (i = 0; i < ARRAY_SIZE(cksum_name); i++) {
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if (((1 << i) & obd->u.cli.cl_supp_cksum_types) == 0)
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continue;
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if (obd->u.cli.cl_cksum_type == (1 << i))
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seq_printf(m, "[%s] ", cksum_name[i]);
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else
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seq_printf(m, "%s ", cksum_name[i]);
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}
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seq_printf(m, "\n");
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return 0;
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}
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static ssize_t osc_checksum_type_seq_write(struct file *file, const char *buffer,
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size_t count, loff_t *off)
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{
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struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
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int i;
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DECLARE_CKSUM_NAME;
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char kernbuf[10];
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if (obd == NULL)
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return 0;
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if (count > sizeof(kernbuf) - 1)
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return -EINVAL;
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if (copy_from_user(kernbuf, buffer, count))
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return -EFAULT;
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if (count > 0 && kernbuf[count - 1] == '\n')
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kernbuf[count - 1] = '\0';
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else
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kernbuf[count] = '\0';
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for (i = 0; i < ARRAY_SIZE(cksum_name); i++) {
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if (((1 << i) & obd->u.cli.cl_supp_cksum_types) == 0)
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continue;
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if (!strcmp(kernbuf, cksum_name[i])) {
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obd->u.cli.cl_cksum_type = 1 << i;
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return count;
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}
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}
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return -EINVAL;
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}
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LPROC_SEQ_FOPS(osc_checksum_type);
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static int osc_resend_count_seq_show(struct seq_file *m, void *v)
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{
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struct obd_device *obd = m->private;
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return seq_printf(m, "%u\n", atomic_read(&obd->u.cli.cl_resends));
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}
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static ssize_t osc_resend_count_seq_write(struct file *file, const char *buffer,
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size_t count, loff_t *off)
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{
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struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
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int val, rc;
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rc = lprocfs_write_helper(buffer, count, &val);
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if (rc)
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return rc;
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if (val < 0)
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return -EINVAL;
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atomic_set(&obd->u.cli.cl_resends, val);
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return count;
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}
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LPROC_SEQ_FOPS(osc_resend_count);
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static int osc_contention_seconds_seq_show(struct seq_file *m, void *v)
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{
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struct obd_device *obd = m->private;
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struct osc_device *od = obd2osc_dev(obd);
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return seq_printf(m, "%u\n", od->od_contention_time);
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}
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static ssize_t osc_contention_seconds_seq_write(struct file *file, const char *buffer,
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size_t count, loff_t *off)
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{
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struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
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struct osc_device *od = obd2osc_dev(obd);
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return lprocfs_write_helper(buffer, count, &od->od_contention_time) ?:
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count;
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}
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LPROC_SEQ_FOPS(osc_contention_seconds);
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static int osc_lockless_truncate_seq_show(struct seq_file *m, void *v)
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{
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struct obd_device *obd = m->private;
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struct osc_device *od = obd2osc_dev(obd);
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return seq_printf(m, "%u\n", od->od_lockless_truncate);
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}
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static ssize_t osc_lockless_truncate_seq_write(struct file *file, const char *buffer,
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size_t count, loff_t *off)
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{
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struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
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struct osc_device *od = obd2osc_dev(obd);
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return lprocfs_write_helper(buffer, count, &od->od_lockless_truncate) ?:
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count;
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}
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LPROC_SEQ_FOPS(osc_lockless_truncate);
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static int osc_destroys_in_flight_seq_show(struct seq_file *m, void *v)
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{
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struct obd_device *obd = m->private;
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return seq_printf(m, "%u\n",
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atomic_read(&obd->u.cli.cl_destroy_in_flight));
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}
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LPROC_SEQ_FOPS_RO(osc_destroys_in_flight);
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static int osc_obd_max_pages_per_rpc_seq_show(struct seq_file *m, void *v)
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{
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return lprocfs_obd_rd_max_pages_per_rpc(m, m->private);
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}
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static ssize_t osc_obd_max_pages_per_rpc_seq_write(struct file *file,
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const char *buffer, size_t count, loff_t *off)
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{
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struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
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struct client_obd *cli = &dev->u.cli;
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struct obd_connect_data *ocd = &cli->cl_import->imp_connect_data;
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int chunk_mask, rc;
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__u64 val;
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rc = lprocfs_write_u64_helper(buffer, count, &val);
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if (rc)
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return rc;
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/* if the max_pages is specified in bytes, convert to pages */
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if (val >= ONE_MB_BRW_SIZE)
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val >>= PAGE_CACHE_SHIFT;
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LPROCFS_CLIMP_CHECK(dev);
|
|
|
|
chunk_mask = ~((1 << (cli->cl_chunkbits - PAGE_CACHE_SHIFT)) - 1);
|
|
/* max_pages_per_rpc must be chunk aligned */
|
|
val = (val + ~chunk_mask) & chunk_mask;
|
|
if (val == 0 || val > ocd->ocd_brw_size >> PAGE_CACHE_SHIFT) {
|
|
LPROCFS_CLIMP_EXIT(dev);
|
|
return -ERANGE;
|
|
}
|
|
client_obd_list_lock(&cli->cl_loi_list_lock);
|
|
cli->cl_max_pages_per_rpc = val;
|
|
client_obd_list_unlock(&cli->cl_loi_list_lock);
|
|
|
|
LPROCFS_CLIMP_EXIT(dev);
|
|
return count;
|
|
}
|
|
LPROC_SEQ_FOPS(osc_obd_max_pages_per_rpc);
|
|
|
|
LPROC_SEQ_FOPS_RO_TYPE(osc, uuid);
|
|
LPROC_SEQ_FOPS_RO_TYPE(osc, connect_flags);
|
|
LPROC_SEQ_FOPS_RO_TYPE(osc, blksize);
|
|
LPROC_SEQ_FOPS_RO_TYPE(osc, kbytestotal);
|
|
LPROC_SEQ_FOPS_RO_TYPE(osc, kbytesfree);
|
|
LPROC_SEQ_FOPS_RO_TYPE(osc, kbytesavail);
|
|
LPROC_SEQ_FOPS_RO_TYPE(osc, filestotal);
|
|
LPROC_SEQ_FOPS_RO_TYPE(osc, filesfree);
|
|
LPROC_SEQ_FOPS_RO_TYPE(osc, server_uuid);
|
|
LPROC_SEQ_FOPS_RO_TYPE(osc, conn_uuid);
|
|
LPROC_SEQ_FOPS_RO_TYPE(osc, timeouts);
|
|
LPROC_SEQ_FOPS_RO_TYPE(osc, state);
|
|
|
|
LPROC_SEQ_FOPS_WR_ONLY(osc, ping);
|
|
|
|
LPROC_SEQ_FOPS_RW_TYPE(osc, import);
|
|
LPROC_SEQ_FOPS_RW_TYPE(osc, pinger_recov);
|
|
|
|
static struct lprocfs_vars lprocfs_osc_obd_vars[] = {
|
|
{ "uuid", &osc_uuid_fops, 0, 0 },
|
|
{ "ping", &osc_ping_fops, 0, 0222 },
|
|
{ "connect_flags", &osc_connect_flags_fops, 0, 0 },
|
|
{ "blocksize", &osc_blksize_fops, 0, 0 },
|
|
{ "kbytestotal", &osc_kbytestotal_fops, 0, 0 },
|
|
{ "kbytesfree", &osc_kbytesfree_fops, 0, 0 },
|
|
{ "kbytesavail", &osc_kbytesavail_fops, 0, 0 },
|
|
{ "filestotal", &osc_filestotal_fops, 0, 0 },
|
|
{ "filesfree", &osc_filesfree_fops, 0, 0 },
|
|
//{ "filegroups", lprocfs_rd_filegroups, 0, 0 },
|
|
{ "ost_server_uuid", &osc_server_uuid_fops, 0, 0 },
|
|
{ "ost_conn_uuid", &osc_conn_uuid_fops, 0, 0 },
|
|
{ "active", &osc_active_fops, 0 },
|
|
{ "max_pages_per_rpc", &osc_obd_max_pages_per_rpc_fops, 0 },
|
|
{ "max_rpcs_in_flight", &osc_max_rpcs_in_flight_fops, 0 },
|
|
{ "destroys_in_flight", &osc_destroys_in_flight_fops, 0, 0 },
|
|
{ "max_dirty_mb", &osc_max_dirty_mb_fops, 0 },
|
|
{ "osc_cached_mb", &osc_cached_mb_fops, 0 },
|
|
{ "cur_dirty_bytes", &osc_cur_dirty_bytes_fops, 0, 0 },
|
|
{ "cur_grant_bytes", &osc_cur_grant_bytes_fops, 0 },
|
|
{ "cur_lost_grant_bytes", &osc_cur_lost_grant_bytes_fops, 0, 0},
|
|
{ "grant_shrink_interval", &osc_grant_shrink_interval_fops, 0 },
|
|
{ "checksums", &osc_checksum_fops, 0 },
|
|
{ "checksum_type", &osc_checksum_type_fops, 0 },
|
|
{ "resend_count", &osc_resend_count_fops, 0},
|
|
{ "timeouts", &osc_timeouts_fops, 0, 0 },
|
|
{ "contention_seconds", &osc_contention_seconds_fops, 0 },
|
|
{ "lockless_truncate", &osc_lockless_truncate_fops, 0 },
|
|
{ "import", &osc_import_fops, 0 },
|
|
{ "state", &osc_state_fops, 0, 0 },
|
|
{ "pinger_recov", &osc_pinger_recov_fops, 0 },
|
|
{ 0 }
|
|
};
|
|
|
|
LPROC_SEQ_FOPS_RO_TYPE(osc, numrefs);
|
|
static struct lprocfs_vars lprocfs_osc_module_vars[] = {
|
|
{ "num_refs", &osc_numrefs_fops, 0, 0 },
|
|
{ 0 }
|
|
};
|
|
|
|
#define pct(a,b) (b ? a * 100 / b : 0)
|
|
|
|
static int osc_rpc_stats_seq_show(struct seq_file *seq, void *v)
|
|
{
|
|
struct timeval now;
|
|
struct obd_device *dev = seq->private;
|
|
struct client_obd *cli = &dev->u.cli;
|
|
unsigned long read_tot = 0, write_tot = 0, read_cum, write_cum;
|
|
int i;
|
|
|
|
do_gettimeofday(&now);
|
|
|
|
client_obd_list_lock(&cli->cl_loi_list_lock);
|
|
|
|
seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
|
|
now.tv_sec, now.tv_usec);
|
|
seq_printf(seq, "read RPCs in flight: %d\n",
|
|
cli->cl_r_in_flight);
|
|
seq_printf(seq, "write RPCs in flight: %d\n",
|
|
cli->cl_w_in_flight);
|
|
seq_printf(seq, "pending write pages: %d\n",
|
|
atomic_read(&cli->cl_pending_w_pages));
|
|
seq_printf(seq, "pending read pages: %d\n",
|
|
atomic_read(&cli->cl_pending_r_pages));
|
|
|
|
seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
|
|
seq_printf(seq, "pages per rpc rpcs %% cum %% |");
|
|
seq_printf(seq, " rpcs %% cum %%\n");
|
|
|
|
read_tot = lprocfs_oh_sum(&cli->cl_read_page_hist);
|
|
write_tot = lprocfs_oh_sum(&cli->cl_write_page_hist);
|
|
|
|
read_cum = 0;
|
|
write_cum = 0;
|
|
for (i = 0; i < OBD_HIST_MAX; i++) {
|
|
unsigned long r = cli->cl_read_page_hist.oh_buckets[i];
|
|
unsigned long w = cli->cl_write_page_hist.oh_buckets[i];
|
|
read_cum += r;
|
|
write_cum += w;
|
|
seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n",
|
|
1 << i, r, pct(r, read_tot),
|
|
pct(read_cum, read_tot), w,
|
|
pct(w, write_tot),
|
|
pct(write_cum, write_tot));
|
|
if (read_cum == read_tot && write_cum == write_tot)
|
|
break;
|
|
}
|
|
|
|
seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
|
|
seq_printf(seq, "rpcs in flight rpcs %% cum %% |");
|
|
seq_printf(seq, " rpcs %% cum %%\n");
|
|
|
|
read_tot = lprocfs_oh_sum(&cli->cl_read_rpc_hist);
|
|
write_tot = lprocfs_oh_sum(&cli->cl_write_rpc_hist);
|
|
|
|
read_cum = 0;
|
|
write_cum = 0;
|
|
for (i = 0; i < OBD_HIST_MAX; i++) {
|
|
unsigned long r = cli->cl_read_rpc_hist.oh_buckets[i];
|
|
unsigned long w = cli->cl_write_rpc_hist.oh_buckets[i];
|
|
read_cum += r;
|
|
write_cum += w;
|
|
seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n",
|
|
i, r, pct(r, read_tot),
|
|
pct(read_cum, read_tot), w,
|
|
pct(w, write_tot),
|
|
pct(write_cum, write_tot));
|
|
if (read_cum == read_tot && write_cum == write_tot)
|
|
break;
|
|
}
|
|
|
|
seq_printf(seq, "\n\t\t\tread\t\t\twrite\n");
|
|
seq_printf(seq, "offset rpcs %% cum %% |");
|
|
seq_printf(seq, " rpcs %% cum %%\n");
|
|
|
|
read_tot = lprocfs_oh_sum(&cli->cl_read_offset_hist);
|
|
write_tot = lprocfs_oh_sum(&cli->cl_write_offset_hist);
|
|
|
|
read_cum = 0;
|
|
write_cum = 0;
|
|
for (i = 0; i < OBD_HIST_MAX; i++) {
|
|
unsigned long r = cli->cl_read_offset_hist.oh_buckets[i];
|
|
unsigned long w = cli->cl_write_offset_hist.oh_buckets[i];
|
|
read_cum += r;
|
|
write_cum += w;
|
|
seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n",
|
|
(i == 0) ? 0 : 1 << (i - 1),
|
|
r, pct(r, read_tot), pct(read_cum, read_tot),
|
|
w, pct(w, write_tot), pct(write_cum, write_tot));
|
|
if (read_cum == read_tot && write_cum == write_tot)
|
|
break;
|
|
}
|
|
|
|
client_obd_list_unlock(&cli->cl_loi_list_lock);
|
|
|
|
return 0;
|
|
}
|
|
#undef pct
|
|
|
|
static ssize_t osc_rpc_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 client_obd *cli = &dev->u.cli;
|
|
|
|
lprocfs_oh_clear(&cli->cl_read_rpc_hist);
|
|
lprocfs_oh_clear(&cli->cl_write_rpc_hist);
|
|
lprocfs_oh_clear(&cli->cl_read_page_hist);
|
|
lprocfs_oh_clear(&cli->cl_write_page_hist);
|
|
lprocfs_oh_clear(&cli->cl_read_offset_hist);
|
|
lprocfs_oh_clear(&cli->cl_write_offset_hist);
|
|
|
|
return len;
|
|
}
|
|
|
|
LPROC_SEQ_FOPS(osc_rpc_stats);
|
|
|
|
static int osc_stats_seq_show(struct seq_file *seq, void *v)
|
|
{
|
|
struct timeval now;
|
|
struct obd_device *dev = seq->private;
|
|
struct osc_stats *stats = &obd2osc_dev(dev)->od_stats;
|
|
|
|
do_gettimeofday(&now);
|
|
|
|
seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
|
|
now.tv_sec, now.tv_usec);
|
|
seq_printf(seq, "lockless_write_bytes\t\t"LPU64"\n",
|
|
stats->os_lockless_writes);
|
|
seq_printf(seq, "lockless_read_bytes\t\t"LPU64"\n",
|
|
stats->os_lockless_reads);
|
|
seq_printf(seq, "lockless_truncate\t\t"LPU64"\n",
|
|
stats->os_lockless_truncates);
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t osc_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 osc_stats *stats = &obd2osc_dev(dev)->od_stats;
|
|
|
|
memset(stats, 0, sizeof(*stats));
|
|
return len;
|
|
}
|
|
|
|
LPROC_SEQ_FOPS(osc_stats);
|
|
|
|
int lproc_osc_attach_seqstat(struct obd_device *dev)
|
|
{
|
|
int rc;
|
|
|
|
rc = lprocfs_seq_create(dev->obd_proc_entry, "osc_stats", 0644,
|
|
&osc_stats_fops, dev);
|
|
if (rc == 0)
|
|
rc = lprocfs_obd_seq_create(dev, "rpc_stats", 0644,
|
|
&osc_rpc_stats_fops, dev);
|
|
|
|
return rc;
|
|
}
|
|
|
|
void lprocfs_osc_init_vars(struct lprocfs_static_vars *lvars)
|
|
{
|
|
lvars->module_vars = lprocfs_osc_module_vars;
|
|
lvars->obd_vars = lprocfs_osc_obd_vars;
|
|
}
|
|
#endif /* LPROCFS */
|