/* -*- 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 [sun.com URL with a
+ * copy of GPLv2].
*
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#define DEBUG_SUBSYSTEM S_LLITE
int rc;
LASSERT(sb != NULL);
- rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ);
+ rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
if (!rc) {
*eof = 1;
rc = snprintf(page, count, "%u\n", osfs.os_bsize);
int rc;
LASSERT(sb != NULL);
- rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ);
+ rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
if (!rc) {
__u32 blk_size = osfs.os_bsize >> 10;
__u64 result = osfs.os_blocks;
int rc;
LASSERT(sb != NULL);
- rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ);
+ rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
if (!rc) {
__u32 blk_size = osfs.os_bsize >> 10;
__u64 result = osfs.os_bfree;
int rc;
LASSERT(sb != NULL);
- rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ);
+ rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
if (!rc) {
__u32 blk_size = osfs.os_bsize >> 10;
__u64 result = osfs.os_bavail;
int rc;
LASSERT(sb != NULL);
- rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ);
+ rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
if (!rc) {
*eof = 1;
rc = snprintf(page, count, LPU64"\n", osfs.os_files);
int rc;
LASSERT(sb != NULL);
- rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ);
+ rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
if (!rc) {
*eof = 1;
rc = snprintf(page, count, LPU64"\n", osfs.os_ffree);
else
sbi->ll_flags &= ~LL_SBI_CHECKSUM;
- rc = obd_set_info_async(sbi->ll_dt_exp, strlen("checksum"), "checksum",
- sizeof(val), &val, NULL);
+ rc = obd_set_info_async(sbi->ll_dt_exp, sizeof(KEY_CHECKSUM),
+ KEY_CHECKSUM, sizeof(val), &val, NULL);
if (rc)
CWARN("Failed to set OSC checksum flags: %d\n", rc);
return (ll_wr_track_id(buffer, count, data, STATS_TRACK_GID));
}
+static int ll_rd_statahead_max(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct super_block *sb = data;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+
+ return snprintf(page, count, "%u\n", sbi->ll_sa_max);
+}
+
+static int ll_wr_statahead_max(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct super_block *sb = data;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ int val, rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val >= 0 && val <= LL_SA_RPC_MAX)
+ sbi->ll_sa_max = val;
+ else
+ CERROR("Bad statahead_max value %d. Valid values are in the "
+ "range [0, %d]\n", val, LL_SA_RPC_MAX);
+
+ return count;
+}
+
+static int ll_rd_statahead_stats(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct super_block *sb = data;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+
+ return snprintf(page, count,
+ "statahead wrong: %u\n"
+ "statahead total: %u\n"
+ "ls blocked: %llu\n"
+ "ls cached: %llu\n"
+ "hit count: %llu\n"
+ "miss count: %llu\n",
+ sbi->ll_sa_wrong,
+ sbi->ll_sa_total,
+ sbi->ll_sa_blocked,
+ sbi->ll_sa_cached,
+ sbi->ll_sa_hit,
+ sbi->ll_sa_miss);
+}
+
+static int ll_rd_contention_time(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct super_block *sb = data;
+
+ *eof = 1;
+ return snprintf(page, count, "%u\n", ll_s2sbi(sb)->ll_contention_time);
+
+}
+
+static int ll_wr_contention_time(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct super_block *sb = data;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+
+ return lprocfs_write_helper(buffer, count,&sbi->ll_contention_time) ?:
+ count;
+}
+
+static int ll_rd_lockless_truncate(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct super_block *sb = data;
+
+ *eof = 1;
+ return snprintf(page, count, "%u\n",
+ ll_s2sbi(sb)->ll_lockless_truncate_enable);
+}
+
+static int ll_wr_lockless_truncate(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct super_block *sb = data;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+
+ return lprocfs_write_helper(buffer, count,
+ &sbi->ll_lockless_truncate_enable)
+ ?: count;
+}
+
static struct lprocfs_vars lprocfs_llite_obd_vars[] = {
{ "uuid", ll_rd_sb_uuid, 0, 0 },
//{ "mntpt_path", ll_rd_path, 0, 0 },
{ "stats_track_pid", ll_rd_track_pid, ll_wr_track_pid, 0 },
{ "stats_track_ppid", ll_rd_track_ppid, ll_wr_track_ppid, 0 },
{ "stats_track_gid", ll_rd_track_gid, ll_wr_track_gid, 0 },
+ { "statahead_max", ll_rd_statahead_max, ll_wr_statahead_max, 0 },
+ { "statahead_stats", ll_rd_statahead_stats, 0, 0 },
+ { "contention_seconds", ll_rd_contention_time, ll_wr_contention_time, 0},
+ { "lockless_truncate", ll_rd_lockless_truncate,
+ ll_wr_lockless_truncate, 0},
{ 0 }
};
/* inode operation */
{ LPROC_LL_SETATTR, LPROCFS_TYPE_REGS, "setattr" },
{ LPROC_LL_TRUNC, LPROCFS_TYPE_REGS, "truncate" },
+ { LPROC_LL_LOCKLESS_TRUNC, LPROCFS_TYPE_REGS, "lockless_truncate"},
{ LPROC_LL_FLOCK, LPROCFS_TYPE_REGS, "flock" },
{ LPROC_LL_GETATTR, LPROCFS_TYPE_REGS, "getattr" },
/* special inode operation */
"direct_read" },
{ LPROC_LL_DIRECT_WRITE, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_PAGES,
"direct_write" },
+ { LPROC_LL_LOCKLESS_READ, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_BYTES,
+ "lockless_read_bytes" },
+ { LPROC_LL_LOCKLESS_WRITE, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_BYTES,
+ "lockless_write_bytes" },
};
struct ll_sb_info *sbi = ll_s2sbi(sb);
struct obd_device *obd;
char name[MAX_STRING_SIZE + 1], *ptr;
- int err, id, len;
- struct proc_dir_entry *entry;
+ int err, id, len, rc;
ENTRY;
memset(lvars, 0, sizeof(lvars));
RETURN(err);
}
- entry = create_proc_entry("dump_page_cache", 0444, sbi->ll_proc_root);
- if (entry == NULL)
- GOTO(out, err = -ENOMEM);
- entry->proc_fops = &llite_dump_pgcache_fops;
- entry->data = sbi;
- entry = create_proc_entry("read_ahead_stats", 0644, sbi->ll_proc_root);
- if (entry == NULL)
- GOTO(out, err = -ENOMEM);
- entry->proc_fops = &ll_ra_stats_fops;
- entry->data = sbi;
-
- entry = create_proc_entry("extents_stats", 0644, sbi->ll_proc_root);
- if (entry == NULL)
- GOTO(out, err = -ENOMEM);
- entry->proc_fops = &ll_rw_extents_stats_fops;
- entry->data = sbi;
-
- entry = create_proc_entry("extents_stats_per_process", 0644,
- sbi->ll_proc_root);
- if (entry == NULL)
- GOTO(out, err = -ENOMEM);
- entry->proc_fops = &ll_rw_extents_stats_pp_fops;
- entry->data = sbi;
-
- entry = create_proc_entry("offset_stats", 0644, sbi->ll_proc_root);
- if (entry == NULL)
- GOTO(out, err = -ENOMEM);
- entry->proc_fops = &ll_rw_offset_stats_fops;
- entry->data = sbi;
+ rc = lprocfs_seq_create(sbi->ll_proc_root, "dump_page_cache", 0444,
+ &llite_dump_pgcache_fops, sbi);
+ if (rc)
+ CWARN("Error adding the dump_page_cache file\n");
+
+ rc = lprocfs_seq_create(sbi->ll_proc_root, "read_ahead_stats", 0644,
+ &ll_ra_stats_fops, sbi);
+ if (rc)
+ CWARN("Error adding the read_ahead_stats file\n");
+
+ rc = lprocfs_seq_create(sbi->ll_proc_root, "extents_stats", 0644,
+ &ll_rw_extents_stats_fops, sbi);
+ if (rc)
+ CWARN("Error adding the extent_stats file\n");
+
+ rc = lprocfs_seq_create(sbi->ll_proc_root, "extents_stats_per_process",
+ 0644, &ll_rw_extents_stats_pp_fops, sbi);
+ if (rc)
+ CWARN("Error adding the extents_stats_per_process file\n");
+
+ rc = lprocfs_seq_create(sbi->ll_proc_root, "offset_stats", 0644,
+ &ll_rw_offset_stats_fops, sbi);
+ if (rc)
+ CWARN("Error adding the offset_stats file\n");
/* File operations stats */
sbi->ll_stats = lprocfs_alloc_stats(LPROC_LL_FILE_OPCODES,