X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fosc%2Flproc_osc.c;h=237200bb4e572c9da3d40a48c053ed26aa789894;hp=0ee887342bd49776a03d42db813c5a2fec1ee70d;hb=655d5e708e01a77368459a1dd9c34fab5b6838b1;hpb=400b0681017091fab9cef9bd00e0f536e1793dcc diff --git a/lustre/osc/lproc_osc.c b/lustre/osc/lproc_osc.c index 0ee8873..237200b 100644 --- a/lustre/osc/lproc_osc.c +++ b/lustre/osc/lproc_osc.c @@ -1,126 +1,823 @@ /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: * - * Copyright (C) 2002 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 (c) 2002, 2010, Oracle and/or its affiliates. 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 -#include +#include +#include +#include +#include +#include +#include +#include "osc_internal.h" + +#ifdef LPROCFS +static int osc_rd_active(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *dev = data; + int rc; + + LPROCFS_CLIMP_CHECK(dev); + rc = snprintf(page, count, "%d\n", !dev->u.cli.cl_import->imp_deactive); + LPROCFS_CLIMP_EXIT(dev); + return rc; +} + +static int osc_wr_active(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *dev = data; + int val, rc; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + if (val < 0 || val > 1) + return -ERANGE; + + LPROCFS_CLIMP_CHECK(dev); + /* opposite senses */ + if (dev->u.cli.cl_import->imp_deactive == val) + rc = ptlrpc_set_import_active(dev->u.cli.cl_import, val); + else + CDEBUG(D_CONFIG, "activate %d: ignoring repeat request\n", val); + + LPROCFS_CLIMP_EXIT(dev); + return count; +} + +static int osc_rd_max_pages_per_rpc(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *dev = data; + struct client_obd *cli = &dev->u.cli; + int rc; + + client_obd_list_lock(&cli->cl_loi_list_lock); + rc = snprintf(page, count, "%d\n", cli->cl_max_pages_per_rpc); + client_obd_list_unlock(&cli->cl_loi_list_lock); + return rc; +} + +static int osc_wr_max_pages_per_rpc(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *dev = data; + struct client_obd *cli = &dev->u.cli; + struct obd_connect_data *ocd = &cli->cl_import->imp_connect_data; + int val, rc; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + LPROCFS_CLIMP_CHECK(dev); + if (val < 1 || val > ocd->ocd_brw_size >> CFS_PAGE_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; +} + +static int osc_rd_max_rpcs_in_flight(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *dev = data; + struct client_obd *cli = &dev->u.cli; + int rc; + + client_obd_list_lock(&cli->cl_loi_list_lock); + rc = snprintf(page, count, "%u\n", cli->cl_max_rpcs_in_flight); + client_obd_list_unlock(&cli->cl_loi_list_lock); + return rc; +} + +static int osc_wr_max_rpcs_in_flight(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *dev = data; + struct client_obd *cli = &dev->u.cli; + struct ptlrpc_request_pool *pool = cli->cl_import->imp_rq_pool; + int val, rc; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + if (val < 1 || val > OSC_MAX_RIF_MAX) + return -ERANGE; + + LPROCFS_CLIMP_CHECK(dev); + if (pool && val > cli->cl_max_rpcs_in_flight) + pool->prp_populate(pool, val-cli->cl_max_rpcs_in_flight); + + client_obd_list_lock(&cli->cl_loi_list_lock); + cli->cl_max_rpcs_in_flight = val; + client_obd_list_unlock(&cli->cl_loi_list_lock); + + LPROCFS_CLIMP_EXIT(dev); + return count; +} + +static int osc_rd_max_dirty_mb(char *page, char **start, off_t off, int count, + int *eof, void *data) +{ + struct obd_device *dev = data; + struct client_obd *cli = &dev->u.cli; + long val; + int mult; + + client_obd_list_lock(&cli->cl_loi_list_lock); + val = cli->cl_dirty_max; + client_obd_list_unlock(&cli->cl_loi_list_lock); + + mult = 1 << 20; + return lprocfs_read_frac_helper(page, count, val, mult); +} + +static int osc_wr_max_dirty_mb(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *dev = data; + struct client_obd *cli = &dev->u.cli; + int pages_number, mult, rc; + + mult = 1 << (20 - CFS_PAGE_SHIFT); + rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult); + if (rc) + return rc; + + if (pages_number < 0 || + pages_number > OSC_MAX_DIRTY_MB_MAX << (20 - CFS_PAGE_SHIFT) || + pages_number > cfs_num_physpages / 4) /* 1/4 of RAM */ + return -ERANGE; + + client_obd_list_lock(&cli->cl_loi_list_lock); + cli->cl_dirty_max = (obd_count)(pages_number << CFS_PAGE_SHIFT); + osc_wake_cache_waiters(cli); + client_obd_list_unlock(&cli->cl_loi_list_lock); + + return count; +} + +static int osc_rd_cur_dirty_bytes(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *dev = data; + struct client_obd *cli = &dev->u.cli; + int rc; + + client_obd_list_lock(&cli->cl_loi_list_lock); + rc = snprintf(page, count, "%lu\n", cli->cl_dirty); + client_obd_list_unlock(&cli->cl_loi_list_lock); + return rc; +} + +static int osc_rd_cur_grant_bytes(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *dev = data; + struct client_obd *cli = &dev->u.cli; + int rc; + + client_obd_list_lock(&cli->cl_loi_list_lock); + rc = snprintf(page, count, "%lu\n", cli->cl_avail_grant); + client_obd_list_unlock(&cli->cl_loi_list_lock); + return rc; +} + +static int osc_wr_cur_grant_bytes(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *obd = data; + struct client_obd *cli = &obd->u.cli; + int rc; + __u64 val; + + if (obd == NULL) + return 0; + + rc = lprocfs_write_u64_helper(buffer, count, &val); + if (rc) + return rc; + + /* this is only for shrinking grant */ + client_obd_list_lock(&cli->cl_loi_list_lock); + if (val >= cli->cl_avail_grant) { + client_obd_list_unlock(&cli->cl_loi_list_lock); + return 0; + } + client_obd_list_unlock(&cli->cl_loi_list_lock); + + LPROCFS_CLIMP_CHECK(obd); + if (cli->cl_import->imp_state == LUSTRE_IMP_FULL) + rc = osc_shrink_grant_to_target(cli, val); + LPROCFS_CLIMP_EXIT(obd); + if (rc) + return rc; + return count; +} + +static int osc_rd_cur_lost_grant_bytes(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *dev = data; + struct client_obd *cli = &dev->u.cli; + int rc; + + client_obd_list_lock(&cli->cl_loi_list_lock); + rc = snprintf(page, count, "%lu\n", cli->cl_lost_grant); + client_obd_list_unlock(&cli->cl_loi_list_lock); + return rc; +} -int rd_uuid(char* page, char **start, off_t off, - int count, int *eof, void *data) +static int osc_rd_grant_shrink_interval(char *page, char **start, off_t off, + int count, int *eof, void *data) { - int len=0; - struct obd_device* dev=(struct obd_device*)data; - len+=snprintf(page, count, "%s\n", dev->obd_uuid); + struct obd_device *obd = data; + + if (obd == NULL) + return 0; + return snprintf(page, count, "%d\n", + obd->u.cli.cl_grant_shrink_interval); +} + +static int osc_wr_grant_shrink_interval(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *obd = data; + int val, rc; + + if (obd == NULL) + return 0; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + if (val <= 0) + return -ERANGE; + + obd->u.cli.cl_grant_shrink_interval = val; + + return count; +} + +static int osc_rd_create_count(char *page, char **start, off_t off, int count, + int *eof, void *data) +{ + struct obd_device *obd = data; + + if (obd == NULL) + return 0; + + return snprintf(page, count, "%d\n", + obd->u.cli.cl_oscc.oscc_grow_count); +} + +/** + * Set OSC creator's osc_creator::oscc_grow_count + * + * \param file proc file + * \param buffer buffer containing the value + * \param count buffer size + * \param data obd device + * + * \retval \a count + */ +static int osc_wr_create_count(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *obd = data; + int val, rc, i; + + if (obd == NULL) + return 0; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + /* The MDT ALWAYS needs to limit the precreate count to + * OST_MAX_PRECREATE, and the constant cannot be changed + * because it is a value shared between the OSC and OST + * that is the maximum possible number of objects that will + * ever be handled by MDT->OST recovery processing. + * + * If the OST ever gets a request to delete more orphans, + * this implies that something has gone badly on the MDT + * and the OST will refuse to delete so much data from the + * filesystem as a safety measure. */ + if (val < OST_MIN_PRECREATE || val > OST_MAX_PRECREATE) + return -ERANGE; + if (val > obd->u.cli.cl_oscc.oscc_max_grow_count) + return -ERANGE; + + for (i = 1; (i << 1) <= val; i <<= 1) + ; + obd->u.cli.cl_oscc.oscc_grow_count = i; + + return count; +} + +/** + * Read OSC creator's osc_creator::oscc_max_grow_count + * + * \param page buffer to hold the returning string + * \param start + * \param off + * \param count + * \param eof + * proc read function parameters, please refer to kernel + * code fs/proc/generic.c proc_file_read() + * \param data obd device + * + * \retval number of characters printed. + */ +static int osc_rd_max_create_count(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *obd = data; + + if (obd == NULL) + return 0; + + return snprintf(page, count, "%d\n", + obd->u.cli.cl_oscc.oscc_max_grow_count); +} + +/** + * Set OSC creator's osc_creator::oscc_max_grow_count + * + * \param file proc file + * \param buffer buffer containing the value + * \param count buffer size + * \param data obd device + * + * \retval \a count + */ +static int osc_wr_max_create_count(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *obd = data; + int val, rc; + + if (obd == NULL) + return 0; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + if (val < 0) + return -ERANGE; + if (val > OST_MAX_PRECREATE) + return -ERANGE; + + if (obd->u.cli.cl_oscc.oscc_grow_count > val) + obd->u.cli.cl_oscc.oscc_grow_count = val; + + obd->u.cli.cl_oscc.oscc_max_grow_count = val; + + return count; +} + +static int osc_rd_prealloc_next_id(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *obd = data; + + if (obd == NULL) + return 0; + + return snprintf(page, count, LPU64"\n", + obd->u.cli.cl_oscc.oscc_next_id); +} + +static int osc_rd_prealloc_last_id(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *obd = data; + + if (obd == NULL) + return 0; + + return snprintf(page, count, LPU64"\n", + obd->u.cli.cl_oscc.oscc_last_id); +} + +static int osc_rd_checksum(char *page, char **start, off_t off, int count, + int *eof, void *data) +{ + struct obd_device *obd = data; + + if (obd == NULL) + return 0; + + return snprintf(page, count, "%d\n", + obd->u.cli.cl_checksum ? 1 : 0); +} + +static int osc_wr_checksum(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *obd = data; + int val, rc; + + if (obd == NULL) + return 0; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + obd->u.cli.cl_checksum = (val ? 1 : 0); + + return count; +} + +static int osc_rd_checksum_type(char *page, char **start, off_t off, int count, + int *eof, void *data) +{ + struct obd_device *obd = data; + int i, len =0; + DECLARE_CKSUM_NAME; + + if (obd == NULL) + return 0; + + for (i = 0; i < ARRAY_SIZE(cksum_name) && len < count; i++) { + if (((1 << i) & obd->u.cli.cl_supp_cksum_types) == 0) + continue; + if (obd->u.cli.cl_cksum_type == (1 << i)) + len += snprintf(page + len, count - len, "[%s] ", + cksum_name[i]); + else + len += snprintf(page + len, count - len, "%s ", + cksum_name[i]); + } + if (len < count) + len += sprintf(page + len, "\n"); return len; +} + +static int osc_wd_checksum_type(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *obd = data; + int i; + DECLARE_CKSUM_NAME; + char kernbuf[10]; + if (obd == NULL) + return 0; + + if (count > sizeof(kernbuf) - 1) + return -EINVAL; + if (cfs_copy_from_user(kernbuf, buffer, count)) + return -EFAULT; + if (count > 0 && kernbuf[count - 1] == '\n') + kernbuf[count - 1] = '\0'; + else + kernbuf[count] = '\0'; + + for (i = 0; i < ARRAY_SIZE(cksum_name); i++) { + if (((1 << i) & obd->u.cli.cl_supp_cksum_types) == 0) + continue; + if (!strcmp(kernbuf, cksum_name[i])) { + obd->u.cli.cl_cksum_type = 1 << i; + return count; + } + } + return -EINVAL; } -int rd_blksize(char* page, char **start, off_t off, - int count, int *eof, void *data) + +static int osc_rd_resend_count(char *page, char **start, off_t off, int count, + int *eof, void *data) { - return 0; + struct obd_device *obd = data; + + return snprintf(page, count, "%u\n", + cfs_atomic_read(&obd->u.cli.cl_resends)); } -int rd_blktotal(char* page, char **start, off_t off, - int count, int *eof, void *data) + +static int osc_wr_resend_count(struct file *file, const char *buffer, + unsigned long count, void *data) { - return 0; + struct obd_device *obd = data; + int val, rc; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + if (val < 0) + return -EINVAL; + + cfs_atomic_set(&obd->u.cli.cl_resends, val); + + return count; } -int rd_blkfree(char* page, char **start, off_t off, - int count, int *eof, void *data) +static int osc_rd_contention_seconds(char *page, char **start, off_t off, + int count, int *eof, void *data) { - return 0; + struct obd_device *obd = data; + struct osc_device *od = obd2osc_dev(obd); + + return snprintf(page, count, "%u\n", od->od_contention_time); } -int rd_kbfree(char* page, char **start, off_t off, - int count, int *eof, void *data) +static int osc_wr_contention_seconds(struct file *file, const char *buffer, + unsigned long count, void *data) { - return 0; + struct obd_device *obd = data; + struct osc_device *od = obd2osc_dev(obd); + + return lprocfs_write_helper(buffer, count, &od->od_contention_time) ?: + count; } -int rd_numobjects(char* page, char **start, off_t off, - int count, int *eof, void *data) +static int osc_rd_lockless_truncate(char *page, char **start, off_t off, + int count, int *eof, void *data) { - return 0; + struct obd_device *obd = data; + struct osc_device *od = obd2osc_dev(obd); + + return snprintf(page, count, "%u\n", od->od_lockless_truncate); } -int rd_objfree(char* page, char **start, off_t off, - int count, int *eof, void *data) +static int osc_wr_lockless_truncate(struct file *file, const char *buffer, + unsigned long count, void *data) { - return 0; + struct obd_device *obd = data; + struct osc_device *od = obd2osc_dev(obd); + + return lprocfs_write_helper(buffer, count, &od->od_lockless_truncate) ?: + count; } -int rd_objgroups(char* page, char **start, off_t off, - int count, int *eof, void *data) +static int osc_rd_destroys_in_flight(char *page, char **start, off_t off, + int count, int *eof, void *data) { + struct obd_device *obd = data; + return snprintf(page, count, "%u\n", + cfs_atomic_read(&obd->u.cli.cl_destroy_in_flight)); +} + +static struct lprocfs_vars lprocfs_osc_obd_vars[] = { + { "uuid", lprocfs_rd_uuid, 0, 0 }, + { "ping", 0, lprocfs_wr_ping, 0, 0, 0222 }, + { "connect_flags", lprocfs_rd_connect_flags, 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 }, + { "ost_server_uuid", lprocfs_rd_server_uuid, 0, 0 }, + { "ost_conn_uuid", lprocfs_rd_conn_uuid, 0, 0 }, + { "active", osc_rd_active, + osc_wr_active, 0 }, + { "max_pages_per_rpc", osc_rd_max_pages_per_rpc, + osc_wr_max_pages_per_rpc, 0 }, + { "max_rpcs_in_flight", osc_rd_max_rpcs_in_flight, + osc_wr_max_rpcs_in_flight, 0 }, + { "destroys_in_flight", osc_rd_destroys_in_flight, 0, 0 }, + { "max_dirty_mb", osc_rd_max_dirty_mb, osc_wr_max_dirty_mb, 0 }, + { "cur_dirty_bytes", osc_rd_cur_dirty_bytes, 0, 0 }, + { "cur_grant_bytes", osc_rd_cur_grant_bytes, + osc_wr_cur_grant_bytes, 0 }, + { "cur_lost_grant_bytes", osc_rd_cur_lost_grant_bytes, 0, 0}, + { "grant_shrink_interval", osc_rd_grant_shrink_interval, + osc_wr_grant_shrink_interval, 0 }, + { "create_count", osc_rd_create_count, osc_wr_create_count, 0 }, + { "max_create_count", osc_rd_max_create_count, + osc_wr_max_create_count, 0}, + { "prealloc_next_id", osc_rd_prealloc_next_id, 0, 0 }, + { "prealloc_last_id", osc_rd_prealloc_last_id, 0, 0 }, + { "checksums", osc_rd_checksum, osc_wr_checksum, 0 }, + { "checksum_type", osc_rd_checksum_type, osc_wd_checksum_type, 0 }, + { "resend_count", osc_rd_resend_count, osc_wr_resend_count, 0}, + { "timeouts", lprocfs_rd_timeouts, 0, 0 }, + { "contention_seconds", osc_rd_contention_seconds, + osc_wr_contention_seconds, 0 }, + { "lockless_truncate", osc_rd_lockless_truncate, + osc_wr_lockless_truncate, 0 }, + { "import", lprocfs_rd_import, 0, 0 }, + { "state", lprocfs_rd_state, 0, 0 }, + { 0 } +}; + +static struct lprocfs_vars lprocfs_osc_module_vars[] = { + { "num_refs", lprocfs_rd_numrefs, 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; + + cfs_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", + cli->cl_pending_w_pages); + seq_printf(seq, "pending read pages: %d\n", + 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; } -int rd_server_uuid(char* page, char **start, off_t off, - int count, int *eof, void *data) +#undef pct + +static ssize_t osc_rpc_stats_seq_write(struct file *file, const char *buf, + size_t len, loff_t *off) { - - struct obd_device* temp=(struct obd_device*)data; - struct client_obd* cli=&temp->u.cli; - int len=0; - len+=snprintf(page, count, "%s\n",cli->cl_target_uuid); + 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; +} - -} -int rd_conn_uuid(char* page, char **start, off_t off, - int count, int *eof, void *data) -{ - struct obd_device* temp=(struct obd_device*)data; - struct client_obd* cli=&temp->u.cli; - struct obd_import* imp=&cli->cl_import; - int len=0; - len+=snprintf(page, count, "%s\n",\ - imp->imp_connection->c_remote_uuid); - return len; - -} - -lprocfs_vars_t status_var_nm_1[]={ - {"status/uuid", rd_uuid, 0}, - {"status/f_blocksize",rd_blksize, 0}, - {"status/f_blockstotal",rd_blktotal, 0}, - {"status/f_blocksfree",rd_blkfree, 0}, - {"status/f_kbytesfree", rd_kbfree, 0}, - {"status/f_objects", rd_numobjects, 0}, - {"status/f_objectsfree", rd_objfree, 0}, - {"status/f_objectgroups", rd_objgroups, 0}, - {"status/ost_server_uuid", rd_server_uuid, 0}, - {"status/ost_conn_uuid", rd_conn_uuid, 0}, - {0} -}; -int rd_numdevices(char* page, char **start, off_t off, - int count, int *eof, void *data) +LPROC_SEQ_FOPS(osc_rpc_stats); + +static int osc_stats_seq_show(struct seq_file *seq, void *v) { - struct obd_type* class=(struct obd_type*)data; - int len=0; - len+=snprintf(page, count, "%d\n", class->typ_refcnt); + struct timeval now; + struct obd_device *dev = seq->private; + struct osc_stats *stats = &obd2osc_dev(dev)->od_stats; + + cfs_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; } -lprocfs_vars_t status_class_var[]={ - {"status/num_devices", rd_numdevices, 0}, - {0} -}; +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", 0444, + &osc_stats_fops, dev); + if (rc == 0) + rc = lprocfs_obd_seq_create(dev, "rpc_stats", 0444, + &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 */