| /* |
| * GPL HEADER START |
| * |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * 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. |
| * |
| * 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 |
| * 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. |
| * |
| * Copyright (c) 2011, 2012, Intel Corporation. |
| */ |
| /* |
| * This file is part of Lustre, http://www.lustre.org/ |
| * Lustre is a trademark of Sun Microsystems, Inc. |
| */ |
| #define DEBUG_SUBSYSTEM S_CLASS |
| |
| #include <asm/statfs.h> |
| #include <obd_cksum.h> |
| #include <obd_class.h> |
| #include <lprocfs_status.h> |
| #include <linux/seq_file.h> |
| #include "osc_internal.h" |
| |
| #ifdef LPROCFS |
| static int osc_active_seq_show(struct seq_file *m, void *v) |
| { |
| struct obd_device *dev = m->private; |
| int rc; |
| |
| LPROCFS_CLIMP_CHECK(dev); |
| rc = seq_printf(m, "%d\n", !dev->u.cli.cl_import->imp_deactive); |
| LPROCFS_CLIMP_EXIT(dev); |
| return rc; |
| } |
| |
| static ssize_t osc_active_seq_write(struct file *file, const char *buffer, |
| size_t count, loff_t *off) |
| { |
| struct obd_device *dev = ((struct seq_file *)file->private_data)->private; |
| int val, rc; |
| |
| rc = lprocfs_write_helper(buffer, count, &val); |
| if (rc) |
| return rc; |
| if (val < 0 || val > 1) |
| return -ERANGE; |
| |
| /* 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); |
| |
| return count; |
| } |
| LPROC_SEQ_FOPS(osc_active); |
| |
| static int osc_max_rpcs_in_flight_seq_show(struct seq_file *m, void *v) |
| { |
| struct obd_device *dev = m->private; |
| struct client_obd *cli = &dev->u.cli; |
| int rc; |
| |
| client_obd_list_lock(&cli->cl_loi_list_lock); |
| rc = seq_printf(m, "%u\n", cli->cl_max_rpcs_in_flight); |
| client_obd_list_unlock(&cli->cl_loi_list_lock); |
| return rc; |
| } |
| |
| static ssize_t osc_max_rpcs_in_flight_seq_write(struct file *file, |
| const char *buffer, size_t count, loff_t *off) |
| { |
| struct obd_device *dev = ((struct seq_file *)file->private_data)->private; |
| 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; |
| } |
| LPROC_SEQ_FOPS(osc_max_rpcs_in_flight); |
| |
| static int osc_max_dirty_mb_seq_show(struct seq_file *m, void *v) |
| { |
| struct obd_device *dev = m->private; |
| 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_seq_read_frac_helper(m, val, mult); |
| } |
| |
| static ssize_t osc_max_dirty_mb_seq_write(struct file *file, const char *buffer, |
| size_t count, loff_t *off) |
| { |
| struct obd_device *dev = ((struct seq_file *)file->private_data)->private; |
| struct client_obd *cli = &dev->u.cli; |
| int pages_number, mult, rc; |
| |
| mult = 1 << (20 - PAGE_CACHE_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 - PAGE_CACHE_SHIFT) || |
| pages_number > totalram_pages / 4) /* 1/4 of RAM */ |
| return -ERANGE; |
| |
| client_obd_list_lock(&cli->cl_loi_list_lock); |
| cli->cl_dirty_max = (obd_count)(pages_number << PAGE_CACHE_SHIFT); |
| osc_wake_cache_waiters(cli); |
| client_obd_list_unlock(&cli->cl_loi_list_lock); |
| |
| return count; |
| } |
| LPROC_SEQ_FOPS(osc_max_dirty_mb); |
| |
| static int osc_cached_mb_seq_show(struct seq_file *m, void *v) |
| { |
| struct obd_device *dev = m->private; |
| struct client_obd *cli = &dev->u.cli; |
| int shift = 20 - PAGE_CACHE_SHIFT; |
| int rc; |
| |
| rc = seq_printf(m, |
| "used_mb: %d\n" |
| "busy_cnt: %d\n", |
| (atomic_read(&cli->cl_lru_in_list) + |
| atomic_read(&cli->cl_lru_busy)) >> shift, |
| atomic_read(&cli->cl_lru_busy)); |
| |
| return rc; |
| } |
| |
| /* shrink the number of caching pages to a specific number */ |
| static ssize_t osc_cached_mb_seq_write(struct file *file, const char *buffer, |
| size_t count, loff_t *off) |
| { |
| struct obd_device *dev = ((struct seq_file *)file->private_data)->private; |
| struct client_obd *cli = &dev->u.cli; |
| int pages_number, mult, rc; |
| |
| mult = 1 << (20 - PAGE_CACHE_SHIFT); |
| buffer = lprocfs_find_named_value(buffer, "used_mb:", &count); |
| rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult); |
| if (rc) |
| return rc; |
| |
| if (pages_number < 0) |
| return -ERANGE; |
| |
| rc = atomic_read(&cli->cl_lru_in_list) - pages_number; |
| if (rc > 0) |
| (void)osc_lru_shrink(cli, rc); |
| |
| return count; |
| } |
| LPROC_SEQ_FOPS(osc_cached_mb); |
| |
| static int osc_cur_dirty_bytes_seq_show(struct seq_file *m, void *v) |
| { |
| struct obd_device *dev = m->private; |
| struct client_obd *cli = &dev->u.cli; |
| int rc; |
| |
| client_obd_list_lock(&cli->cl_loi_list_lock); |
| rc = seq_printf(m, "%lu\n", cli->cl_dirty); |
| client_obd_list_unlock(&cli->cl_loi_list_lock); |
| return rc; |
| } |
| LPROC_SEQ_FOPS_RO(osc_cur_dirty_bytes); |
| |
| static int osc_cur_grant_bytes_seq_show(struct seq_file *m, void *v) |
| { |
| struct obd_device *dev = m->private; |
| struct client_obd *cli = &dev->u.cli; |
| int rc; |
| |
| client_obd_list_lock(&cli->cl_loi_list_lock); |
| rc = seq_printf(m, "%lu\n", cli->cl_avail_grant); |
| client_obd_list_unlock(&cli->cl_loi_list_lock); |
| return rc; |
| } |
| |
| static ssize_t osc_cur_grant_bytes_seq_write(struct file *file, const char *buffer, |
| size_t count, loff_t *off) |
| { |
| struct obd_device *obd = ((struct seq_file *)file->private_data)->private; |
| 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; |
| } |
| LPROC_SEQ_FOPS(osc_cur_grant_bytes); |
| |
| static int osc_cur_lost_grant_bytes_seq_show(struct seq_file *m, void *v) |
| { |
| struct obd_device *dev = m->private; |
| struct client_obd *cli = &dev->u.cli; |
| int rc; |
| |
| client_obd_list_lock(&cli->cl_loi_list_lock); |
| rc = seq_printf(m, "%lu\n", cli->cl_lost_grant); |
| client_obd_list_unlock(&cli->cl_loi_list_lock); |
| return rc; |
| } |
| LPROC_SEQ_FOPS_RO(osc_cur_lost_grant_bytes); |
| |
| static int osc_grant_shrink_interval_seq_show(struct seq_file *m, void *v) |
| { |
| struct obd_device *obd = m->private; |
| |
| if (obd == NULL) |
| return 0; |
| return seq_printf(m, "%d\n", |
| obd->u.cli.cl_grant_shrink_interval); |
| } |
| |
| static ssize_t osc_grant_shrink_interval_seq_write(struct file *file, |
| const char *buffer, size_t count, loff_t *off) |
| { |
| struct obd_device *obd = ((struct seq_file *)file->private_data)->private; |
| 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; |
| } |
| LPROC_SEQ_FOPS(osc_grant_shrink_interval); |
| |
| static int osc_checksum_seq_show(struct seq_file *m, void *v) |
| { |
| struct obd_device *obd = m->private; |
| |
| if (obd == NULL) |
| return 0; |
| |
| return seq_printf(m, "%d\n", |
| obd->u.cli.cl_checksum ? 1 : 0); |
| } |
| |
| static ssize_t osc_checksum_seq_write(struct file *file, const char *buffer, |
| size_t count, loff_t *off) |
| { |
| struct obd_device *obd = ((struct seq_file *)file->private_data)->private; |
| 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; |
| } |
| LPROC_SEQ_FOPS(osc_checksum); |
| |
| static int osc_checksum_type_seq_show(struct seq_file *m, void *v) |
| { |
| struct obd_device *obd = m->private; |
| int i; |
| DECLARE_CKSUM_NAME; |
| |
| if (obd == NULL) |
| return 0; |
| |
| for (i = 0; i < ARRAY_SIZE(cksum_name); i++) { |
| if (((1 << i) & obd->u.cli.cl_supp_cksum_types) == 0) |
| continue; |
| if (obd->u.cli.cl_cksum_type == (1 << i)) |
| seq_printf(m, "[%s] ", cksum_name[i]); |
| else |
| seq_printf(m, "%s ", cksum_name[i]); |
| } |
| seq_printf(m, "\n"); |
| return 0; |
| } |
| |
| static ssize_t osc_checksum_type_seq_write(struct file *file, const char *buffer, |
| size_t count, loff_t *off) |
| { |
| struct obd_device *obd = ((struct seq_file *)file->private_data)->private; |
| int i; |
| DECLARE_CKSUM_NAME; |
| char kernbuf[10]; |
| |
| if (obd == NULL) |
| return 0; |
| |
| if (count > sizeof(kernbuf) - 1) |
| return -EINVAL; |
| if (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; |
| } |
| LPROC_SEQ_FOPS(osc_checksum_type); |
| |
| static int osc_resend_count_seq_show(struct seq_file *m, void *v) |
| { |
| struct obd_device *obd = m->private; |
| |
| return seq_printf(m, "%u\n", atomic_read(&obd->u.cli.cl_resends)); |
| } |
| |
| static ssize_t osc_resend_count_seq_write(struct file *file, const char *buffer, |
| size_t count, loff_t *off) |
| { |
| struct obd_device *obd = ((struct seq_file *)file->private_data)->private; |
| int val, rc; |
| |
| rc = lprocfs_write_helper(buffer, count, &val); |
| if (rc) |
| return rc; |
| |
| if (val < 0) |
| return -EINVAL; |
| |
| atomic_set(&obd->u.cli.cl_resends, val); |
| |
| return count; |
| } |
| LPROC_SEQ_FOPS(osc_resend_count); |
| |
| static int osc_contention_seconds_seq_show(struct seq_file *m, void *v) |
| { |
| struct obd_device *obd = m->private; |
| struct osc_device *od = obd2osc_dev(obd); |
| |
| return seq_printf(m, "%u\n", od->od_contention_time); |
| } |
| |
| static ssize_t osc_contention_seconds_seq_write(struct file *file, const char *buffer, |
| size_t count, loff_t *off) |
| { |
| struct obd_device *obd = ((struct seq_file *)file->private_data)->private; |
| struct osc_device *od = obd2osc_dev(obd); |
| |
| return lprocfs_write_helper(buffer, count, &od->od_contention_time) ?: |
| count; |
| } |
| LPROC_SEQ_FOPS(osc_contention_seconds); |
| |
| static int osc_lockless_truncate_seq_show(struct seq_file *m, void *v) |
| { |
| struct obd_device *obd = m->private; |
| struct osc_device *od = obd2osc_dev(obd); |
| |
| return seq_printf(m, "%u\n", od->od_lockless_truncate); |
| } |
| |
| static ssize_t osc_lockless_truncate_seq_write(struct file *file, const char *buffer, |
| size_t count, loff_t *off) |
| { |
| struct obd_device *obd = ((struct seq_file *)file->private_data)->private; |
| struct osc_device *od = obd2osc_dev(obd); |
| |
| return lprocfs_write_helper(buffer, count, &od->od_lockless_truncate) ?: |
| count; |
| } |
| LPROC_SEQ_FOPS(osc_lockless_truncate); |
| |
| static int osc_destroys_in_flight_seq_show(struct seq_file *m, void *v) |
| { |
| struct obd_device *obd = m->private; |
| return seq_printf(m, "%u\n", |
| atomic_read(&obd->u.cli.cl_destroy_in_flight)); |
| } |
| LPROC_SEQ_FOPS_RO(osc_destroys_in_flight); |
| |
| static int osc_obd_max_pages_per_rpc_seq_show(struct seq_file *m, void *v) |
| { |
| return lprocfs_obd_rd_max_pages_per_rpc(m, m->private); |
| } |
| |
| static ssize_t osc_obd_max_pages_per_rpc_seq_write(struct file *file, |
| const char *buffer, size_t count, loff_t *off) |
| { |
| struct obd_device *dev = ((struct seq_file *)file->private_data)->private; |
| struct client_obd *cli = &dev->u.cli; |
| struct obd_connect_data *ocd = &cli->cl_import->imp_connect_data; |
| int chunk_mask, rc; |
| __u64 val; |
| |
| rc = lprocfs_write_u64_helper(buffer, count, &val); |
| if (rc) |
| return rc; |
| |
| /* if the max_pages is specified in bytes, convert to pages */ |
| if (val >= ONE_MB_BRW_SIZE) |
| val >>= PAGE_CACHE_SHIFT; |
| |
| 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, (unsigned long)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, (unsigned long)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 */ |