-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* 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 [sun.com URL with a
- * copy of GPLv2].
+ * 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
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifdef LPROCFS
/* /proc/lustre/llite mount point registration */
-struct file_operations llite_dump_pgcache_fops;
-struct file_operations ll_ra_stats_fops;
+extern struct file_operations vvp_dump_pgcache_file_ops;
struct file_operations ll_rw_extents_stats_fops;
struct file_operations ll_rw_extents_stats_pp_fops;
struct file_operations ll_rw_offset_stats_fops;
int rc;
LASSERT(sb != NULL);
- rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ,
+ rc = ll_statfs_internal(sb, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
OBD_STATFS_NODELAY);
if (!rc) {
*eof = 1;
int rc;
LASSERT(sb != NULL);
- rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ,
+ rc = ll_statfs_internal(sb, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
OBD_STATFS_NODELAY);
if (!rc) {
__u32 blk_size = osfs.os_bsize >> 10;
int rc;
LASSERT(sb != NULL);
- rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ,
+ rc = ll_statfs_internal(sb, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
OBD_STATFS_NODELAY);
if (!rc) {
__u32 blk_size = osfs.os_bsize >> 10;
int rc;
LASSERT(sb != NULL);
- rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ,
+ rc = ll_statfs_internal(sb, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
OBD_STATFS_NODELAY);
if (!rc) {
__u32 blk_size = osfs.os_bsize >> 10;
int rc;
LASSERT(sb != NULL);
- rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ,
+ rc = ll_statfs_internal(sb, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
OBD_STATFS_NODELAY);
if (!rc) {
*eof = 1;
int rc;
LASSERT(sb != NULL);
- rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - HZ,
+ rc = ll_statfs_internal(sb, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
OBD_STATFS_NODELAY);
if (!rc) {
*eof = 1;
return snprintf(page, count, "%s\n", ll_s2sbi(sb)->ll_sb_uuid.uuid);
}
-static int ll_rd_max_readahead_mb(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int ll_rd_xattr_cache(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);
- long pages_number;
- int mult;
+ struct super_block *sb = (struct super_block *)data;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ int rc;
- spin_lock(&sbi->ll_lock);
- pages_number = sbi->ll_ra_info.ra_max_pages;
- spin_unlock(&sbi->ll_lock);
+ rc = snprintf(page, count, "%u\n", sbi->ll_xattr_cache_enabled);
- mult = 1 << (20 - PAGE_CACHE_SHIFT);
- return lprocfs_read_frac_helper(page, count, pages_number, mult);
+ return rc;
}
-static int ll_wr_max_readahead_mb(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static int ll_wr_xattr_cache(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 mult, rc, pages_number;
+ struct super_block *sb = (struct super_block *)data;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ int val, rc;
- mult = 1 << (20 - CFS_PAGE_SHIFT);
- rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult);
- if (rc)
- return rc;
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
- if (pages_number < 0 || pages_number > num_physpages / 2) {
- CERROR("can't set file readahead more than %lu MB\n",
- num_physpages >> (20 - CFS_PAGE_SHIFT + 1)); /*1/2 of RAM*/
- return -ERANGE;
- }
+ if (val != 0 && val != 1)
+ return -ERANGE;
- spin_lock(&sbi->ll_lock);
- sbi->ll_ra_info.ra_max_pages = pages_number;
- spin_unlock(&sbi->ll_lock);
+ if (val == 1 && !(sbi->ll_flags & LL_SBI_XATTR_CACHE))
+ return -ENOTSUPP;
- return count;
+ sbi->ll_xattr_cache_enabled = val;
+
+ return count;
}
-static int ll_rd_max_read_ahead_whole_mb(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int ll_rd_site_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);
- long pages_number;
- int mult;
-
- spin_lock(&sbi->ll_lock);
- pages_number = sbi->ll_ra_info.ra_max_read_ahead_whole_pages;
- spin_unlock(&sbi->ll_lock);
- mult = 1 << (20 - CFS_PAGE_SHIFT);
- return lprocfs_read_frac_helper(page, count, pages_number, mult);
+ /*
+ * See description of statistical counters in struct cl_site, and
+ * struct lu_site.
+ */
+ return cl_site_stats_print(lu2cl_site(ll_s2sbi(sb)->ll_site),
+ page, count);
}
-static int ll_wr_max_read_ahead_whole_mb(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static int ll_rd_max_readahead_mb(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);
- int mult, rc, pages_number;
-
- mult = 1 << (20 - CFS_PAGE_SHIFT);
- rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult);
- if (rc)
- return rc;
+ struct super_block *sb = data;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ long pages_number;
+ int mult;
- /* Cap this at the current max readahead window size, the readahead
- * algorithm does this anyway so it's pointless to set it larger. */
- if (pages_number < 0 || pages_number > sbi->ll_ra_info.ra_max_pages) {
- CERROR("can't set max_read_ahead_whole_mb more than "
- "max_read_ahead_mb: %lu\n",
- sbi->ll_ra_info.ra_max_pages >> (20 - CFS_PAGE_SHIFT));
- return -ERANGE;
- }
+ spin_lock(&sbi->ll_lock);
+ pages_number = sbi->ll_ra_info.ra_max_pages;
+ spin_unlock(&sbi->ll_lock);
- spin_lock(&sbi->ll_lock);
- sbi->ll_ra_info.ra_max_read_ahead_whole_pages = pages_number;
- spin_unlock(&sbi->ll_lock);
+ mult = 1 << (20 - PAGE_CACHE_SHIFT);
+ return lprocfs_read_frac_helper(page, count, pages_number, mult);
+}
- return count;
+static int ll_wr_max_readahead_mb(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 mult, rc, pages_number;
+
+ 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 > totalram_pages / 2) {
+ /* 1/2 of RAM */
+ CERROR("can't set file readahead more than %lu MB\n",
+ totalram_pages >> (20 - PAGE_CACHE_SHIFT + 1));
+ return -ERANGE;
+ }
+
+ spin_lock(&sbi->ll_lock);
+ sbi->ll_ra_info.ra_max_pages = pages_number;
+ spin_unlock(&sbi->ll_lock);
+
+ return count;
}
-static int ll_rd_max_cached_mb(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int ll_rd_max_readahead_per_file_mb(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);
- long pages_number;
- int mult;
+ struct super_block *sb = data;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ long pages_number;
+ int mult;
- spin_lock(&sbi->ll_lock);
- pages_number = sbi->ll_async_page_max;
- spin_unlock(&sbi->ll_lock);
+ spin_lock(&sbi->ll_lock);
+ pages_number = sbi->ll_ra_info.ra_max_pages_per_file;
+ spin_unlock(&sbi->ll_lock);
- mult = 1 << (20 - CFS_PAGE_SHIFT);
- return lprocfs_read_frac_helper(page, count, pages_number, mult);;
+ mult = 1 << (20 - PAGE_CACHE_SHIFT);
+ return lprocfs_read_frac_helper(page, count, pages_number, mult);
}
-static int ll_wr_max_cached_mb(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static int ll_wr_max_readahead_per_file_mb(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 mult, rc, pages_number;
- mult = 1 << (20 - CFS_PAGE_SHIFT);
+ 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 > num_physpages) {
- CERROR("can't set max cache more than %lu MB\n",
- num_physpages >> (20 - CFS_PAGE_SHIFT));
+ if (pages_number < 0 ||
+ pages_number > sbi->ll_ra_info.ra_max_pages) {
+ CERROR("can't set file readahead more than"
+ "max_read_ahead_mb %lu MB\n",
+ sbi->ll_ra_info.ra_max_pages);
return -ERANGE;
}
- spin_lock(&sbi->ll_lock);
- sbi->ll_async_page_max = pages_number ;
- spin_unlock(&sbi->ll_lock);
-
- if (!sbi->ll_dt_exp)
- /* Not set up yet, don't call llap_shrink_cache */
- return count;
+ spin_lock(&sbi->ll_lock);
+ sbi->ll_ra_info.ra_max_pages_per_file = pages_number;
+ spin_unlock(&sbi->ll_lock);
- if (sbi->ll_async_page_count >= sbi->ll_async_page_max)
- llap_shrink_cache(sbi, 0);
+ return count;
+}
- return count;
+static int ll_rd_max_read_ahead_whole_mb(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);
+ long pages_number;
+ int mult;
+
+ spin_lock(&sbi->ll_lock);
+ pages_number = sbi->ll_ra_info.ra_max_read_ahead_whole_pages;
+ spin_unlock(&sbi->ll_lock);
+
+ mult = 1 << (20 - PAGE_CACHE_SHIFT);
+ return lprocfs_read_frac_helper(page, count, pages_number, mult);
+}
+
+static int ll_wr_max_read_ahead_whole_mb(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 mult, rc, pages_number;
+
+ mult = 1 << (20 - PAGE_CACHE_SHIFT);
+ rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult);
+ if (rc)
+ return rc;
+
+ /* Cap this at the current max readahead window size, the readahead
+ * algorithm does this anyway so it's pointless to set it larger. */
+ if (pages_number < 0 ||
+ pages_number > sbi->ll_ra_info.ra_max_pages_per_file) {
+ CERROR("can't set max_read_ahead_whole_mb more than "
+ "max_read_ahead_per_file_mb: %lu\n",
+ sbi->ll_ra_info.ra_max_pages_per_file >>
+ (20 - PAGE_CACHE_SHIFT));
+ return -ERANGE;
+ }
+
+ spin_lock(&sbi->ll_lock);
+ sbi->ll_ra_info.ra_max_read_ahead_whole_pages = pages_number;
+ spin_unlock(&sbi->ll_lock);
+
+ return count;
+}
+
+static int ll_rd_max_cached_mb(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);
+ struct cl_client_cache *cache = &sbi->ll_cache;
+ int shift = 20 - PAGE_CACHE_SHIFT;
+ int max_cached_mb;
+ int unused_mb;
+
+ *eof = 1;
+ max_cached_mb = cache->ccc_lru_max >> shift;
+ unused_mb = cfs_atomic_read(&cache->ccc_lru_left) >> shift;
+ return snprintf(page, count,
+ "users: %d\n"
+ "max_cached_mb: %d\n"
+ "used_mb: %d\n"
+ "unused_mb: %d\n"
+ "reclaim_count: %u\n",
+ cfs_atomic_read(&cache->ccc_users),
+ max_cached_mb,
+ max_cached_mb - unused_mb,
+ unused_mb,
+ cache->ccc_lru_shrinkers);
+}
+
+static int ll_wr_max_cached_mb(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct super_block *sb = data;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ struct cl_client_cache *cache = &sbi->ll_cache;
+ int mult, rc, pages_number;
+ int diff = 0;
+ int nrpages = 0;
+ ENTRY;
+
+ mult = 1 << (20 - PAGE_CACHE_SHIFT);
+ buffer = lprocfs_find_named_value(buffer, "max_cached_mb:", &count);
+ rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult);
+ if (rc)
+ RETURN(rc);
+
+ if (pages_number < 0 || pages_number > totalram_pages) {
+ CERROR("%s: can't set max cache more than %lu MB\n",
+ ll_get_fsname(sb, NULL, 0),
+ totalram_pages >> (20 - PAGE_CACHE_SHIFT));
+ RETURN(-ERANGE);
+ }
+
+ if (sbi->ll_dt_exp == NULL) /* being initialized */
+ GOTO(out, rc = 0);
+
+ spin_lock(&sbi->ll_lock);
+ diff = pages_number - cache->ccc_lru_max;
+ spin_unlock(&sbi->ll_lock);
+
+ /* easy - add more LRU slots. */
+ if (diff >= 0) {
+ cfs_atomic_add(diff, &cache->ccc_lru_left);
+ GOTO(out, rc = 0);
+ }
+
+ diff = -diff;
+ while (diff > 0) {
+ int tmp;
+
+ /* reduce LRU budget from free slots. */
+ do {
+ int ov, nv;
+
+ ov = cfs_atomic_read(&cache->ccc_lru_left);
+ if (ov == 0)
+ break;
+
+ nv = ov > diff ? ov - diff : 0;
+ rc = cfs_atomic_cmpxchg(&cache->ccc_lru_left, ov, nv);
+ if (likely(ov == rc)) {
+ diff -= ov - nv;
+ nrpages += ov - nv;
+ break;
+ }
+ } while (1);
+
+ if (diff <= 0)
+ break;
+
+ /* difficult - have to ask OSCs to drop LRU slots. */
+ tmp = diff << 1;
+ rc = obd_set_info_async(NULL, sbi->ll_dt_exp,
+ sizeof(KEY_CACHE_LRU_SHRINK),
+ KEY_CACHE_LRU_SHRINK,
+ sizeof(tmp), &tmp, NULL);
+ if (rc < 0)
+ break;
+ }
+
+out:
+ if (rc >= 0) {
+ spin_lock(&sbi->ll_lock);
+ cache->ccc_lru_max = pages_number;
+ spin_unlock(&sbi->ll_lock);
+ rc = count;
+ } else {
+ cfs_atomic_add(nrpages, &cache->ccc_lru_left);
+ }
+ return rc;
}
static int ll_rd_checksum(char *page, char **start, off_t off,
else
sbi->ll_flags &= ~LL_SBI_CHECKSUM;
- rc = obd_set_info_async(sbi->ll_dt_exp, sizeof(KEY_CHECKSUM),
+ rc = obd_set_info_async(NULL, 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 count;
}
-static int ll_rd_track_id(char *page, int count, void *data,
+static int ll_rd_track_id(char *page, int count, void *data,
enum stats_track_type type)
{
struct super_block *sb = data;
if (ll_s2sbi(sb)->ll_stats_track_type == type) {
return snprintf(page, count, "%d\n",
ll_s2sbi(sb)->ll_stats_track_id);
-
+
} else if (ll_s2sbi(sb)->ll_stats_track_type == STATS_TRACK_ALL) {
return snprintf(page, count, "0 (all)\n");
} else {
static int ll_wr_track_gid(struct file *file, const char *buffer,
unsigned long count, void *data)
-{
+{
return (ll_wr_track_id(buffer, count, data, STATS_TRACK_GID));
}
return count;
}
-static int ll_rd_statahead_stats(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int ll_rd_statahead_agl(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);
+ return snprintf(page, count, "%u\n",
+ sbi->ll_flags & LL_SBI_AGL_ENABLED ? 1 : 0);
}
-static int ll_rd_contention_time(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int ll_wr_statahead_agl(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;
- *eof = 1;
- return snprintf(page, count, "%u\n", ll_s2sbi(sb)->ll_contention_time);
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val)
+ sbi->ll_flags |= LL_SBI_AGL_ENABLED;
+ else
+ sbi->ll_flags &= ~LL_SBI_AGL_ENABLED;
+ return count;
}
-static int ll_wr_contention_time(struct file *file, const char *buffer,
- unsigned long count, void *data)
+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 lprocfs_write_helper(buffer, count,&sbi->ll_contention_time) ?:
- count;
+ return snprintf(page, count,
+ "statahead total: %u\n"
+ "statahead wrong: %u\n"
+ "agl total: %u\n",
+ atomic_read(&sbi->ll_sa_total),
+ atomic_read(&sbi->ll_sa_wrong),
+ atomic_read(&sbi->ll_agl_total));
}
-static int ll_rd_lockless_truncate(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int ll_rd_lazystatfs(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);
- *eof = 1;
return snprintf(page, count, "%u\n",
- ll_s2sbi(sb)->ll_lockless_truncate_enable);
+ (sbi->ll_flags & LL_SBI_LAZYSTATFS) ? 1 : 0);
}
-static int ll_wr_lockless_truncate(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static int ll_wr_lazystatfs(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)
+ sbi->ll_flags |= LL_SBI_LAZYSTATFS;
+ else
+ sbi->ll_flags &= ~LL_SBI_LAZYSTATFS;
- return lprocfs_write_helper(buffer, count,
- &sbi->ll_lockless_truncate_enable)
- ?: count;
+ return count;
+}
+
+static int ll_rd_maxea_size(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);
+ unsigned int ealen;
+ int rc;
+
+ rc = ll_get_max_mdsize(sbi, &ealen);
+ if (rc)
+ return rc;
+
+ return snprintf(page, count, "%u\n", ealen);
+}
+
+static int ll_rd_sbi_flags(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ const char *str[] = LL_SBI_FLAGS;
+ struct super_block *sb = data;
+ int flags = ll_s2sbi(sb)->ll_flags;
+ int i = 0;
+ int rc = 0;
+
+ while (flags != 0) {
+ if (ARRAY_SIZE(str) <= i) {
+ CERROR("%s: Revise array LL_SBI_FLAGS to match sbi "
+ "flags please.\n", ll_get_fsname(sb, NULL, 0));
+ return -EINVAL;
+ }
+
+ if (flags & 0x1)
+ rc += snprintf(page + rc, count - rc, "%s ", str[i]);
+ flags >>= 1;
+ ++i;
+ }
+ if (rc > 0)
+ rc += snprintf(page + rc, count - rc, "\b\n");
+ return rc;
+}
+
+static int ll_rd_unstable_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);
+ struct cl_client_cache *cache = &sbi->ll_cache;
+ int pages, mb, rc;
+
+ pages = cfs_atomic_read(&cache->ccc_unstable_nr);
+ mb = (pages * PAGE_CACHE_SIZE) >> 20;
+
+ rc = snprintf(page, count, "unstable_pages: %8d\n"
+ "unstable_mb: %8d\n", pages, mb);
+
+ return rc;
}
static struct lprocfs_vars lprocfs_llite_obd_vars[] = {
{ "uuid", ll_rd_sb_uuid, 0, 0 },
//{ "mntpt_path", ll_rd_path, 0, 0 },
{ "fstype", ll_rd_fstype, 0, 0 },
+ { "site", ll_rd_site_stats, 0, 0 },
{ "blocksize", ll_rd_blksize, 0, 0 },
{ "kbytestotal", ll_rd_kbytestotal, 0, 0 },
{ "kbytesfree", ll_rd_kbytesfree, 0, 0 },
//{ "filegroups", lprocfs_rd_filegroups, 0, 0 },
{ "max_read_ahead_mb", ll_rd_max_readahead_mb,
ll_wr_max_readahead_mb, 0 },
+ { "max_read_ahead_per_file_mb", ll_rd_max_readahead_per_file_mb,
+ ll_wr_max_readahead_per_file_mb, 0 },
{ "max_read_ahead_whole_mb", ll_rd_max_read_ahead_whole_mb,
ll_wr_max_read_ahead_whole_mb, 0 },
{ "max_cached_mb", ll_rd_max_cached_mb, ll_wr_max_cached_mb, 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_agl", ll_rd_statahead_agl, ll_wr_statahead_agl, 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},
+ { "lazystatfs", ll_rd_lazystatfs, ll_wr_lazystatfs, 0 },
+ { "max_easize", ll_rd_maxea_size, 0, 0 },
+ { "sbi_flags", ll_rd_sbi_flags, 0, 0 },
+ { "xattr_cache", ll_rd_xattr_cache, ll_wr_xattr_cache, 0 },
+ { "unstable_stats", ll_rd_unstable_stats, 0, 0},
{ 0 }
};
/* file operation */
{ LPROC_LL_DIRTY_HITS, LPROCFS_TYPE_REGS, "dirty_pages_hits" },
{ LPROC_LL_DIRTY_MISSES, LPROCFS_TYPE_REGS, "dirty_pages_misses" },
- { LPROC_LL_WB_WRITEPAGE, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_PAGES,
- "writeback_from_writepage" },
- { LPROC_LL_WB_PRESSURE, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_PAGES,
- "writeback_from_pressure" },
- { LPROC_LL_WB_OK, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_PAGES,
- "writeback_ok_pages" },
- { LPROC_LL_WB_FAIL, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_PAGES,
- "writeback_failed_pages" },
{ LPROC_LL_READ_BYTES, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_BYTES,
"read_bytes" },
{ LPROC_LL_WRITE_BYTES, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_BYTES,
"brw_read" },
{ LPROC_LL_BRW_WRITE, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_PAGES,
"brw_write" },
-
+ { LPROC_LL_OSC_READ, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_BYTES,
+ "osc_read" },
+ { LPROC_LL_OSC_WRITE, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_BYTES,
+ "osc_write" },
{ LPROC_LL_IOCTL, LPROCFS_TYPE_REGS, "ioctl" },
{ LPROC_LL_OPEN, LPROCFS_TYPE_REGS, "open" },
{ LPROC_LL_RELEASE, LPROCFS_TYPE_REGS, "close" },
{ LPROC_LL_MAP, LPROCFS_TYPE_REGS, "mmap" },
{ LPROC_LL_LLSEEK, LPROCFS_TYPE_REGS, "seek" },
{ LPROC_LL_FSYNC, LPROCFS_TYPE_REGS, "fsync" },
+ { LPROC_LL_READDIR, LPROCFS_TYPE_REGS, "readdir" },
/* 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" },
+ /* dir inode operation */
+ { LPROC_LL_CREATE, LPROCFS_TYPE_REGS, "create" },
+ { LPROC_LL_LINK, LPROCFS_TYPE_REGS, "link" },
+ { LPROC_LL_UNLINK, LPROCFS_TYPE_REGS, "unlink" },
+ { LPROC_LL_SYMLINK, LPROCFS_TYPE_REGS, "symlink" },
+ { LPROC_LL_MKDIR, LPROCFS_TYPE_REGS, "mkdir" },
+ { LPROC_LL_RMDIR, LPROCFS_TYPE_REGS, "rmdir" },
+ { LPROC_LL_MKNOD, LPROCFS_TYPE_REGS, "mknod" },
+ { LPROC_LL_RENAME, LPROCFS_TYPE_REGS, "rename" },
/* special inode operation */
{ LPROC_LL_STAFS, LPROCFS_TYPE_REGS, "statfs" },
{ LPROC_LL_ALLOC_INODE, LPROCFS_TYPE_REGS, "alloc_inode" },
{ LPROC_LL_SETXATTR, LPROCFS_TYPE_REGS, "setxattr" },
{ LPROC_LL_GETXATTR, LPROCFS_TYPE_REGS, "getxattr" },
+ { LPROC_LL_GETXATTR_HITS, LPROCFS_TYPE_REGS, "getxattr_hits" },
{ LPROC_LL_LISTXATTR, LPROCFS_TYPE_REGS, "listxattr" },
{ LPROC_LL_REMOVEXATTR, LPROCFS_TYPE_REGS, "removexattr" },
{ LPROC_LL_INODE_PERM, LPROCFS_TYPE_REGS, "inode_permission" },
- { LPROC_LL_DIRECT_READ, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_PAGES,
- "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" },
-
};
void ll_stats_ops_tally(struct ll_sb_info *sbi, int op, int count)
sbi->ll_stats_track_id == current->pid)
lprocfs_counter_add(sbi->ll_stats, op, count);
else if (sbi->ll_stats_track_type == STATS_TRACK_PPID &&
- sbi->ll_stats_track_id == current->p_pptr->pid)
- lprocfs_counter_add(sbi->ll_stats, op, count);
- else if (sbi->ll_stats_track_type == STATS_TRACK_GID &&
- sbi->ll_stats_track_id == current->gid)
+ sbi->ll_stats_track_id == current->parent->pid)
lprocfs_counter_add(sbi->ll_stats, op, count);
+ else if (sbi->ll_stats_track_type == STATS_TRACK_GID &&
+ sbi->ll_stats_track_id == current_gid())
+ lprocfs_counter_add(sbi->ll_stats, op, count);
}
EXPORT_SYMBOL(ll_stats_ops_tally);
+static const char *ra_stat_string[] = {
+ [RA_STAT_HIT] = "hits",
+ [RA_STAT_MISS] = "misses",
+ [RA_STAT_DISTANT_READPAGE] = "readpage not consecutive",
+ [RA_STAT_MISS_IN_WINDOW] = "miss inside window",
+ [RA_STAT_FAILED_GRAB_PAGE] = "failed grab_cache_page",
+ [RA_STAT_FAILED_MATCH] = "failed lock match",
+ [RA_STAT_DISCARDED] = "read but discarded",
+ [RA_STAT_ZERO_LEN] = "zero length file",
+ [RA_STAT_ZERO_WINDOW] = "zero size window",
+ [RA_STAT_EOF] = "read-ahead to EOF",
+ [RA_STAT_MAX_IN_FLIGHT] = "hit max r-a issue",
+ [RA_STAT_WRONG_GRAB_PAGE] = "wrong page from grab_cache_page",
+};
+
+
int lprocfs_register_mountpoint(struct proc_dir_entry *parent,
struct super_block *sb, char *osc, char *mdc)
{
len = strlen(lsi->lsi_lmd->lmd_profile);
ptr = strrchr(lsi->lsi_lmd->lmd_profile, '-');
if (ptr && (strcmp(ptr, "-client") == 0))
- len -= 7;
-
+ len -= 7;
+
/* Mount info */
snprintf(name, MAX_STRING_SIZE, "%.*s-%p", len,
lsi->lsi_lmd->lmd_profile, sb);
-
+
sbi->ll_proc_root = lprocfs_register(name, parent, NULL, NULL);
if (IS_ERR(sbi->ll_proc_root)) {
err = PTR_ERR(sbi->ll_proc_root);
RETURN(err);
}
-
rc = lprocfs_seq_create(sbi->ll_proc_root, "dump_page_cache", 0444,
- &llite_dump_pgcache_fops, sbi);
+ &vvp_dump_pgcache_file_ops, 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 offset_stats file\n");
/* File operations stats */
- sbi->ll_stats = lprocfs_alloc_stats(LPROC_LL_FILE_OPCODES,
- LPROCFS_STATS_FLAG_PERCPU);
+ sbi->ll_stats = lprocfs_alloc_stats(LPROC_LL_FILE_OPCODES,
+ LPROCFS_STATS_FLAG_NONE);
if (sbi->ll_stats == NULL)
GOTO(out, err = -ENOMEM);
/* do counter init */
if (err)
GOTO(out, err);
+ sbi->ll_ra_stats = lprocfs_alloc_stats(ARRAY_SIZE(ra_stat_string),
+ LPROCFS_STATS_FLAG_NONE);
+ if (sbi->ll_ra_stats == NULL)
+ GOTO(out, err = -ENOMEM);
+
+ for (id = 0; id < ARRAY_SIZE(ra_stat_string); id++)
+ lprocfs_counter_init(sbi->ll_ra_stats, id, 0,
+ ra_stat_string[id], "pages");
+ err = lprocfs_register_stats(sbi->ll_proc_root, "read_ahead_stats",
+ sbi->ll_ra_stats);
+ if (err)
+ GOTO(out, err);
+
+
err = lprocfs_add_vars(sbi->ll_proc_root, lprocfs_llite_obd_vars, sb);
if (err)
GOTO(out, err);
out:
if (err) {
lprocfs_remove(&sbi->ll_proc_root);
+ lprocfs_free_stats(&sbi->ll_ra_stats);
lprocfs_free_stats(&sbi->ll_stats);
}
RETURN(err);
{
if (sbi->ll_proc_root) {
lprocfs_remove(&sbi->ll_proc_root);
+ lprocfs_free_stats(&sbi->ll_ra_stats);
lprocfs_free_stats(&sbi->ll_stats);
}
}
#undef MAX_STRING_SIZE
-#define seq_page_flag(seq, page, flag, has_flags) do { \
- if (test_bit(PG_##flag, &(page)->flags)) { \
- if (!has_flags) \
- has_flags = 1; \
- else \
- seq_putc(seq, '|'); \
- seq_puts(seq, #flag); \
- } \
- } while(0);
-
-static void *llite_dump_pgcache_seq_start(struct seq_file *seq, loff_t *pos)
-{
- struct ll_async_page *dummy_llap = seq->private;
-
- if (dummy_llap->llap_magic == 2)
- return NULL;
-
- return (void *)1;
-}
-
-static int llite_dump_pgcache_seq_show(struct seq_file *seq, void *v)
-{
- struct ll_async_page *llap, *dummy_llap = seq->private;
- struct ll_sb_info *sbi = dummy_llap->llap_cookie;
-
- /* 2.4 doesn't seem to have SEQ_START_TOKEN, so we implement
- * it in our own state */
- if (dummy_llap->llap_magic == 0) {
- seq_printf(seq, "gener | llap cookie origin wq du wb | page "
- "inode index count [ page flags ]\n");
- return 0;
- }
-
- spin_lock(&sbi->ll_lock);
-
- llap = llite_pglist_next_llap(sbi, &dummy_llap->llap_pglist_item);
- if (llap != NULL) {
- int has_flags = 0;
- struct page *page = llap->llap_page;
-
- LASSERTF(llap->llap_origin < LLAP__ORIGIN_MAX, "%u\n",
- llap->llap_origin);
-
- seq_printf(seq," %5lu | %p %p %s %s %s %s | %p %lu/%u(%p) "
- "%lu %u [",
- sbi->ll_pglist_gen,
- llap, llap->llap_cookie,
- llap_origins[llap->llap_origin],
- llap->llap_write_queued ? "wq" : "- ",
- llap->llap_defer_uptodate ? "du" : "- ",
- PageWriteback(page) ? "wb" : "-",
- page, page->mapping->host->i_ino,
- page->mapping->host->i_generation,
- page->mapping->host, page->index,
- page_count(page));
- seq_page_flag(seq, page, locked, has_flags);
- seq_page_flag(seq, page, error, has_flags);
- seq_page_flag(seq, page, referenced, has_flags);
- seq_page_flag(seq, page, uptodate, has_flags);
- seq_page_flag(seq, page, dirty, has_flags);
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12))
- seq_page_flag(seq, page, highmem, has_flags);
-#endif
- seq_page_flag(seq, page, writeback, has_flags);
- if (!has_flags)
- seq_puts(seq, "-]\n");
- else
- seq_puts(seq, "]\n");
- }
-
- spin_unlock(&sbi->ll_lock);
-
- return 0;
-}
-
-static void *llite_dump_pgcache_seq_next(struct seq_file *seq, void *v,
- loff_t *pos)
-{
- struct ll_async_page *llap, *dummy_llap = seq->private;
- struct ll_sb_info *sbi = dummy_llap->llap_cookie;
-
- /* bail if we just displayed the banner */
- if (dummy_llap->llap_magic == 0) {
- dummy_llap->llap_magic = 1;
- return dummy_llap;
- }
-
- /* we've just displayed the llap that is after us in the list.
- * we advance to a position beyond it, returning null if there
- * isn't another llap in the list beyond that new position. */
- spin_lock(&sbi->ll_lock);
- llap = llite_pglist_next_llap(sbi, &dummy_llap->llap_pglist_item);
- list_del_init(&dummy_llap->llap_pglist_item);
- if (llap) {
- list_add(&dummy_llap->llap_pglist_item,&llap->llap_pglist_item);
- llap =llite_pglist_next_llap(sbi,&dummy_llap->llap_pglist_item);
- }
- spin_unlock(&sbi->ll_lock);
-
- ++*pos;
- if (llap == NULL) {
- dummy_llap->llap_magic = 2;
- return NULL;
- }
- return dummy_llap;
-}
-
-static void null_stop(struct seq_file *seq, void *v)
-{
-}
-
-struct seq_operations llite_dump_pgcache_seq_sops = {
- .start = llite_dump_pgcache_seq_start,
- .stop = null_stop,
- .next = llite_dump_pgcache_seq_next,
- .show = llite_dump_pgcache_seq_show,
-};
-
-/* we're displaying llaps in a list_head list. we don't want to hold a lock
- * while we walk the entire list, and we don't want to have to seek into
- * the right position in the list as an app advances with many syscalls. we
- * allocate a dummy llap and hang it off file->private. its position in
- * the list records where the app is currently displaying. this way our
- * seq .start and .stop don't actually do anything. .next returns null
- * when the dummy hits the end of the list which eventually leads to .release
- * where we tear down. this kind of displaying is super-racey, so we put
- * a generation counter on the list so the output shows when the list
- * changes between reads.
- */
-static int llite_dump_pgcache_seq_open(struct inode *inode, struct file *file)
-{
- struct proc_dir_entry *dp = PDE(inode);
- struct ll_async_page *dummy_llap;
- struct seq_file *seq;
- struct ll_sb_info *sbi = dp->data;
- int rc = -ENOMEM;
-
- LPROCFS_ENTRY_AND_CHECK(dp);
-
- OBD_ALLOC_PTR_WAIT(dummy_llap);
- if (dummy_llap == NULL)
- GOTO(out, rc);
- dummy_llap->llap_page = NULL;
- dummy_llap->llap_cookie = sbi;
- dummy_llap->llap_magic = 0;
-
- rc = seq_open(file, &llite_dump_pgcache_seq_sops);
- if (rc) {
- OBD_FREE(dummy_llap, sizeof(*dummy_llap));
- GOTO(out, rc);
- }
- seq = file->private_data;
- seq->private = dummy_llap;
-
- spin_lock(&sbi->ll_lock);
- list_add(&dummy_llap->llap_pglist_item, &sbi->ll_pglist);
- spin_unlock(&sbi->ll_lock);
-
-out:
- if (rc)
- LPROCFS_EXIT();
- return rc;
-}
-
-static int llite_dump_pgcache_seq_release(struct inode *inode,
- struct file *file)
-{
- struct seq_file *seq = file->private_data;
- struct ll_async_page *dummy_llap = seq->private;
- struct ll_sb_info *sbi = dummy_llap->llap_cookie;
-
- spin_lock(&sbi->ll_lock);
- if (!list_empty(&dummy_llap->llap_pglist_item))
- list_del_init(&dummy_llap->llap_pglist_item);
- spin_unlock(&sbi->ll_lock);
- OBD_FREE(dummy_llap, sizeof(*dummy_llap));
-
- return lprocfs_seq_release(inode, file);
-}
-
-struct file_operations llite_dump_pgcache_fops = {
- .owner = THIS_MODULE,
- .open = llite_dump_pgcache_seq_open,
- .read = seq_read,
- .release = llite_dump_pgcache_seq_release,
-};
-
-static int ll_ra_stats_seq_show(struct seq_file *seq, void *v)
-{
- struct timeval now;
- struct ll_sb_info *sbi = seq->private;
- struct ll_ra_info *ra = &sbi->ll_ra_info;
- int i;
- static char *ra_stat_strings[] = {
- [RA_STAT_HIT] = "hits",
- [RA_STAT_MISS] = "misses",
- [RA_STAT_DISTANT_READPAGE] = "readpage not consecutive",
- [RA_STAT_MISS_IN_WINDOW] = "miss inside window",
- [RA_STAT_FAILED_GRAB_PAGE] = "failed grab_cache_page",
- [RA_STAT_FAILED_MATCH] = "failed lock match",
- [RA_STAT_DISCARDED] = "read but discarded",
- [RA_STAT_ZERO_LEN] = "zero length file",
- [RA_STAT_ZERO_WINDOW] = "zero size window",
- [RA_STAT_EOF] = "read-ahead to EOF",
- [RA_STAT_MAX_IN_FLIGHT] = "hit max r-a issue",
- [RA_STAT_WRONG_GRAB_PAGE] = "wrong page from grab_cache_page",
- };
-
- do_gettimeofday(&now);
-
- spin_lock(&sbi->ll_lock);
-
- seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
- now.tv_sec, now.tv_usec);
- seq_printf(seq, "pending issued pages: %lu\n",
- ra->ra_cur_pages);
-
- for(i = 0; i < _NR_RA_STAT; i++)
- seq_printf(seq, "%-25s %lu\n", ra_stat_strings[i],
- ra->ra_stats[i]);
-
- spin_unlock(&sbi->ll_lock);
-
- return 0;
-}
-
-static ssize_t ll_ra_stats_seq_write(struct file *file, const char *buf,
- size_t len, loff_t *off)
-{
- struct seq_file *seq = file->private_data;
- struct ll_sb_info *sbi = seq->private;
- struct ll_ra_info *ra = &sbi->ll_ra_info;
-
- spin_lock(&sbi->ll_lock);
- memset(ra->ra_stats, 0, sizeof(ra->ra_stats));
- spin_unlock(&sbi->ll_lock);
-
- return len;
-}
-
-LPROC_SEQ_FOPS(ll_ra_stats);
-
#define pct(a,b) (b ? a * 100 / b : 0)
static void ll_display_extents_info(struct ll_rw_extents_info *io_extents,
struct timeval now;
struct ll_sb_info *sbi = seq->private;
struct ll_rw_extents_info *io_extents = &sbi->ll_rw_extents_info;
- int k;
+ int k;
- do_gettimeofday(&now);
+ do_gettimeofday(&now);
- if (!sbi->ll_rw_stats_on) {
- seq_printf(seq, "Disabled\n"
- "Write anything in this file to activate\n");
+ if (!sbi->ll_rw_stats_on) {
+ seq_printf(seq, "disabled\n"
+ "write anything in this file to activate, "
+ "then 0 or \"[D/d]isabled\" to deactivate\n");
return 0;
}
seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
now.tv_sec, now.tv_usec);
seq_printf(seq, "%15s %19s | %20s\n", " ", "read", "write");
- seq_printf(seq, "%13s %14s %4s %4s | %14s %4s %4s\n",
+ seq_printf(seq, "%13s %14s %4s %4s | %14s %4s %4s\n",
"extents", "calls", "%", "cum%",
"calls", "%", "cum%");
- spin_lock(&sbi->ll_pp_extent_lock);
- for(k = 0; k < LL_PROCESS_HIST_MAX; k++) {
- if(io_extents->pp_extents[k].pid != 0) {
- seq_printf(seq, "\nPID: %d\n",
- io_extents->pp_extents[k].pid);
- ll_display_extents_info(io_extents, seq, k);
- }
- }
- spin_unlock(&sbi->ll_pp_extent_lock);
- return 0;
+ spin_lock(&sbi->ll_pp_extent_lock);
+ for (k = 0; k < LL_PROCESS_HIST_MAX; k++) {
+ if (io_extents->pp_extents[k].pid != 0) {
+ seq_printf(seq, "\nPID: %d\n",
+ io_extents->pp_extents[k].pid);
+ ll_display_extents_info(io_extents, seq, k);
+ }
+ }
+ spin_unlock(&sbi->ll_pp_extent_lock);
+ return 0;
}
static ssize_t ll_rw_extents_stats_pp_seq_write(struct file *file,
struct ll_sb_info *sbi = seq->private;
struct ll_rw_extents_info *io_extents = &sbi->ll_rw_extents_info;
int i;
+ int value = 1, rc = 0;
- sbi->ll_rw_stats_on = 1;
- spin_lock(&sbi->ll_pp_extent_lock);
- for(i = 0; i < LL_PROCESS_HIST_MAX; i++) {
- io_extents->pp_extents[i].pid = 0;
- lprocfs_oh_clear(&io_extents->pp_extents[i].pp_r_hist);
- lprocfs_oh_clear(&io_extents->pp_extents[i].pp_w_hist);
- }
- spin_unlock(&sbi->ll_pp_extent_lock);
- return len;
+ rc = lprocfs_write_helper(buf, len, &value);
+ if (rc < 0 && (strcmp(buf, "disabled") == 0 ||
+ strcmp(buf, "Disabled") == 0))
+ value = 0;
+
+ if (value == 0)
+ sbi->ll_rw_stats_on = 0;
+ else
+ sbi->ll_rw_stats_on = 1;
+
+ spin_lock(&sbi->ll_pp_extent_lock);
+ for (i = 0; i < LL_PROCESS_HIST_MAX; i++) {
+ io_extents->pp_extents[i].pid = 0;
+ lprocfs_oh_clear(&io_extents->pp_extents[i].pp_r_hist);
+ lprocfs_oh_clear(&io_extents->pp_extents[i].pp_w_hist);
+ }
+ spin_unlock(&sbi->ll_pp_extent_lock);
+ return len;
}
LPROC_SEQ_FOPS(ll_rw_extents_stats_pp);
static int ll_rw_extents_stats_seq_show(struct seq_file *seq, void *v)
{
- struct timeval now;
- struct ll_sb_info *sbi = seq->private;
- struct ll_rw_extents_info *io_extents = &sbi->ll_rw_extents_info;
+ struct timeval now;
+ struct ll_sb_info *sbi = seq->private;
+ struct ll_rw_extents_info *io_extents = &sbi->ll_rw_extents_info;
- do_gettimeofday(&now);
+ do_gettimeofday(&now);
- if (!sbi->ll_rw_stats_on) {
- seq_printf(seq, "Disabled\n"
- "Write anything in this file to activate\n");
+ if (!sbi->ll_rw_stats_on) {
+ seq_printf(seq, "disabled\n"
+ "write anything in this file to activate, "
+ "then 0 or \"[D/d]isabled\" to deactivate\n");
return 0;
}
seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
now.tv_sec, now.tv_usec);
seq_printf(seq, "%15s %19s | %20s\n", " ", "read", "write");
- seq_printf(seq, "%13s %14s %4s %4s | %14s %4s %4s\n",
+ seq_printf(seq, "%13s %14s %4s %4s | %14s %4s %4s\n",
"extents", "calls", "%", "cum%",
"calls", "%", "cum%");
- spin_lock(&sbi->ll_lock);
- ll_display_extents_info(io_extents, seq, LL_PROCESS_HIST_MAX);
- spin_unlock(&sbi->ll_lock);
+ spin_lock(&sbi->ll_lock);
+ ll_display_extents_info(io_extents, seq, LL_PROCESS_HIST_MAX);
+ spin_unlock(&sbi->ll_lock);
- return 0;
+ return 0;
}
static ssize_t ll_rw_extents_stats_seq_write(struct file *file, const char *buf,
struct ll_sb_info *sbi = seq->private;
struct ll_rw_extents_info *io_extents = &sbi->ll_rw_extents_info;
int i;
+ int value = 1, rc = 0;
- sbi->ll_rw_stats_on = 1;
- spin_lock(&sbi->ll_pp_extent_lock);
- for(i = 0; i <= LL_PROCESS_HIST_MAX; i++)
- {
- io_extents->pp_extents[i].pid = 0;
- lprocfs_oh_clear(&io_extents->pp_extents[i].pp_r_hist);
- lprocfs_oh_clear(&io_extents->pp_extents[i].pp_w_hist);
- }
- spin_unlock(&sbi->ll_pp_extent_lock);
+ rc = lprocfs_write_helper(buf, len, &value);
+ if (rc < 0 && (strcmp(buf, "disabled") == 0 ||
+ strcmp(buf, "Disabled") == 0))
+ value = 0;
- return len;
+ if (value == 0)
+ sbi->ll_rw_stats_on = 0;
+ else
+ sbi->ll_rw_stats_on = 1;
+ spin_lock(&sbi->ll_pp_extent_lock);
+ for (i = 0; i <= LL_PROCESS_HIST_MAX; i++) {
+ io_extents->pp_extents[i].pid = 0;
+ lprocfs_oh_clear(&io_extents->pp_extents[i].pp_r_hist);
+ lprocfs_oh_clear(&io_extents->pp_extents[i].pp_w_hist);
+ }
+ spin_unlock(&sbi->ll_pp_extent_lock);
+
+ return len;
}
LPROC_SEQ_FOPS(ll_rw_extents_stats);
-void ll_rw_stats_tally(struct ll_sb_info *sbi, pid_t pid, struct file
- *file, size_t count, int rw)
+void ll_rw_stats_tally(struct ll_sb_info *sbi, pid_t pid,
+ struct ll_file_data *file, loff_t pos,
+ size_t count, int rw)
{
int i, cur = -1;
struct ll_rw_process_info *process;
process = sbi->ll_rw_process_info;
offset = sbi->ll_rw_offset_info;
- spin_lock(&sbi->ll_pp_extent_lock);
+ spin_lock(&sbi->ll_pp_extent_lock);
/* Extent statistics */
for(i = 0; i < LL_PROCESS_HIST_MAX; i++) {
if(io_extents->pp_extents[i].pid == pid) {
if (cur == -1) {
/* new process */
- sbi->ll_extent_process_count =
+ sbi->ll_extent_process_count =
(sbi->ll_extent_process_count + 1) % LL_PROCESS_HIST_MAX;
cur = sbi->ll_extent_process_count;
io_extents->pp_extents[cur].pid = pid;
lprocfs_oh_clear(&io_extents->pp_extents[cur].pp_w_hist);
}
- for(i = 0; (count >= (1 << LL_HIST_START << i)) &&
+ for(i = 0; (count >= (1 << LL_HIST_START << i)) &&
(i < (LL_HIST_MAX - 1)); i++);
if (rw == 0) {
io_extents->pp_extents[cur].pp_r_hist.oh_buckets[i]++;
io_extents->pp_extents[cur].pp_w_hist.oh_buckets[i]++;
io_extents->pp_extents[LL_PROCESS_HIST_MAX].pp_w_hist.oh_buckets[i]++;
}
- spin_unlock(&sbi->ll_pp_extent_lock);
+ spin_unlock(&sbi->ll_pp_extent_lock);
- spin_lock(&sbi->ll_process_lock);
+ spin_lock(&sbi->ll_process_lock);
/* Offset statistics */
for (i = 0; i < LL_PROCESS_HIST_MAX; i++) {
if (process[i].rw_pid == pid) {
if (process[i].rw_last_file != file) {
- process[i].rw_range_start = file->f_pos;
- process[i].rw_last_file_pos =
- file->f_pos + count;
+ process[i].rw_range_start = pos;
+ process[i].rw_last_file_pos = pos + count;
process[i].rw_smallest_extent = count;
process[i].rw_largest_extent = count;
process[i].rw_offset = 0;
process[i].rw_last_file = file;
- spin_unlock(&sbi->ll_process_lock);
+ spin_unlock(&sbi->ll_process_lock);
return;
}
- if (process[i].rw_last_file_pos != file->f_pos) {
+ if (process[i].rw_last_file_pos != pos) {
*off_count =
(*off_count + 1) % LL_OFFSET_HIST_MAX;
offset[*off_count].rw_op = process[i].rw_op;
offset[*off_count].rw_offset =
process[i].rw_offset;
process[i].rw_op = rw;
- process[i].rw_range_start = file->f_pos;
+ process[i].rw_range_start = pos;
process[i].rw_smallest_extent = count;
process[i].rw_largest_extent = count;
- process[i].rw_offset = file->f_pos -
+ process[i].rw_offset = pos -
process[i].rw_last_file_pos;
}
if(process[i].rw_smallest_extent > count)
process[i].rw_smallest_extent = count;
if(process[i].rw_largest_extent < count)
process[i].rw_largest_extent = count;
- process[i].rw_last_file_pos = file->f_pos + count;
- spin_unlock(&sbi->ll_process_lock);
+ process[i].rw_last_file_pos = pos + count;
+ spin_unlock(&sbi->ll_process_lock);
return;
}
}
*process_count = (*process_count + 1) % LL_PROCESS_HIST_MAX;
process[*process_count].rw_pid = pid;
process[*process_count].rw_op = rw;
- process[*process_count].rw_range_start = file->f_pos;
- process[*process_count].rw_last_file_pos = file->f_pos + count;
+ process[*process_count].rw_range_start = pos;
+ process[*process_count].rw_last_file_pos = pos + count;
process[*process_count].rw_smallest_extent = count;
process[*process_count].rw_largest_extent = count;
process[*process_count].rw_offset = 0;
process[*process_count].rw_last_file = file;
- spin_unlock(&sbi->ll_process_lock);
+ spin_unlock(&sbi->ll_process_lock);
}
-char lpszt[] = LPSZ;
-
static int ll_rw_offset_stats_seq_show(struct seq_file *seq, void *v)
{
struct timeval now;
struct ll_sb_info *sbi = seq->private;
struct ll_rw_process_info *offset = sbi->ll_rw_offset_info;
struct ll_rw_process_info *process = sbi->ll_rw_process_info;
- char format[50];
- int i;
+ int i;
- do_gettimeofday(&now);
+ do_gettimeofday(&now);
- if (!sbi->ll_rw_stats_on) {
- seq_printf(seq, "Disabled\n"
- "Write anything in this file to activate\n");
+ if (!sbi->ll_rw_stats_on) {
+ seq_printf(seq, "disabled\n"
+ "write anything in this file to activate, "
+ "then 0 or \"[D/d]isabled\" to deactivate\n");
return 0;
}
- spin_lock(&sbi->ll_process_lock);
+ spin_lock(&sbi->ll_process_lock);
seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
now.tv_sec, now.tv_usec);
seq_printf(seq, "%3s %10s %14s %14s %17s %17s %14s\n",
"R/W", "PID", "RANGE START", "RANGE END",
"SMALLEST EXTENT", "LARGEST EXTENT", "OFFSET");
- sprintf(format, "%s%s%s%s%s\n",
- "%3c %10d %14Lu %14Lu %17", lpszt+1, " %17", lpszt+1, " %14Ld");
- /* We stored the discontiguous offsets here; print them first */
- for(i = 0; i < LL_OFFSET_HIST_MAX; i++) {
- if (offset[i].rw_pid != 0)
- /* Is there a way to snip the '%' off of LPSZ? */
- seq_printf(seq, format,
- offset[i].rw_op ? 'W' : 'R',
- offset[i].rw_pid,
- offset[i].rw_range_start,
- offset[i].rw_range_end,
- offset[i].rw_smallest_extent,
- offset[i].rw_largest_extent,
- offset[i].rw_offset);
- }
- /* Then print the current offsets for each process */
- for(i = 0; i < LL_PROCESS_HIST_MAX; i++) {
- if (process[i].rw_pid != 0)
- seq_printf(seq, format,
- process[i].rw_op ? 'W' : 'R',
- process[i].rw_pid,
- process[i].rw_range_start,
- process[i].rw_last_file_pos,
- process[i].rw_smallest_extent,
- process[i].rw_largest_extent,
- process[i].rw_offset);
- }
- spin_unlock(&sbi->ll_process_lock);
- return 0;
+ /* We stored the discontiguous offsets here; print them first */
+ for (i = 0; i < LL_OFFSET_HIST_MAX; i++) {
+ if (offset[i].rw_pid != 0)
+ seq_printf(seq,
+ "%3c %10d %14Lu %14Lu %17lu %17lu %14Lu",
+ offset[i].rw_op == READ ? 'R' : 'W',
+ offset[i].rw_pid,
+ offset[i].rw_range_start,
+ offset[i].rw_range_end,
+ (unsigned long)offset[i].rw_smallest_extent,
+ (unsigned long)offset[i].rw_largest_extent,
+ offset[i].rw_offset);
+ }
+
+ /* Then print the current offsets for each process */
+ for (i = 0; i < LL_PROCESS_HIST_MAX; i++) {
+ if (process[i].rw_pid != 0)
+ seq_printf(seq,
+ "%3c %10d %14Lu %14Lu %17lu %17lu %14Lu",
+ process[i].rw_op == READ ? 'R' : 'W',
+ process[i].rw_pid,
+ process[i].rw_range_start,
+ process[i].rw_last_file_pos,
+ (unsigned long)process[i].rw_smallest_extent,
+ (unsigned long)process[i].rw_largest_extent,
+ process[i].rw_offset);
+ }
+ spin_unlock(&sbi->ll_process_lock);
+
+ return 0;
}
static ssize_t ll_rw_offset_stats_seq_write(struct file *file, const char *buf,
struct ll_sb_info *sbi = seq->private;
struct ll_rw_process_info *process_info = sbi->ll_rw_process_info;
struct ll_rw_process_info *offset_info = sbi->ll_rw_offset_info;
+ int value = 1, rc = 0;
- sbi->ll_rw_stats_on = 1;
+ rc = lprocfs_write_helper(buf, len, &value);
- spin_lock(&sbi->ll_process_lock);
- sbi->ll_offset_process_count = 0;
- sbi->ll_rw_offset_entry_count = 0;
- memset(process_info, 0, sizeof(struct ll_rw_process_info) *
- LL_PROCESS_HIST_MAX);
- memset(offset_info, 0, sizeof(struct ll_rw_process_info) *
- LL_OFFSET_HIST_MAX);
- spin_unlock(&sbi->ll_process_lock);
+ if (rc < 0 && (strcmp(buf, "disabled") == 0 ||
+ strcmp(buf, "Disabled") == 0))
+ value = 0;
- return len;
+ if (value == 0)
+ sbi->ll_rw_stats_on = 0;
+ else
+ sbi->ll_rw_stats_on = 1;
+
+ spin_lock(&sbi->ll_process_lock);
+ sbi->ll_offset_process_count = 0;
+ sbi->ll_rw_offset_entry_count = 0;
+ memset(process_info, 0, sizeof(struct ll_rw_process_info) *
+ LL_PROCESS_HIST_MAX);
+ memset(offset_info, 0, sizeof(struct ll_rw_process_info) *
+ LL_OFFSET_HIST_MAX);
+ spin_unlock(&sbi->ll_process_lock);
+
+ return len;
}
LPROC_SEQ_FOPS(ll_rw_offset_stats);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff