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-rw-r--r--fs/ocfs2/localalloc.c57
-rw-r--r--fs/ocfs2/ocfs2_trace.h112
2 files changed, 135 insertions, 34 deletions
diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index 36636e1c..a311b1f 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -43,6 +43,7 @@
#include "suballoc.h"
#include "super.h"
#include "sysfile.h"
+#include "ocfs2_trace.h"
#include "buffer_head_io.h"
@@ -201,8 +202,7 @@ void ocfs2_la_set_sizes(struct ocfs2_super *osb, int requested_mb)
la_max_mb = ocfs2_clusters_to_megabytes(sb,
ocfs2_local_alloc_size(sb) * 8);
- mlog(0, "requested: %dM, max: %uM, default: %uM\n",
- requested_mb, la_max_mb, la_default_mb);
+ trace_ocfs2_la_set_sizes(requested_mb, la_max_mb, la_default_mb);
if (requested_mb == -1) {
/* No user request - use defaults */
@@ -276,8 +276,8 @@ int ocfs2_alloc_should_use_local(struct ocfs2_super *osb, u64 bits)
ret = 1;
bail:
- mlog(0, "state=%d, bits=%llu, la_bits=%d, ret=%d\n",
- osb->local_alloc_state, (unsigned long long)bits, la_bits, ret);
+ trace_ocfs2_alloc_should_use_local(
+ (unsigned long long)bits, osb->local_alloc_state, la_bits, ret);
spin_unlock(&osb->osb_lock);
return ret;
}
@@ -362,7 +362,7 @@ bail:
if (inode)
iput(inode);
- mlog(0, "Local alloc window bits = %d\n", osb->local_alloc_bits);
+ trace_ocfs2_load_local_alloc(osb->local_alloc_bits);
if (status)
mlog_errno(status);
@@ -497,7 +497,7 @@ int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb,
struct inode *inode = NULL;
struct ocfs2_dinode *alloc;
- mlog(0, "(slot_num = %d)\n", slot_num);
+ trace_ocfs2_begin_local_alloc_recovery(slot_num);
*alloc_copy = NULL;
@@ -705,10 +705,6 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
goto bail;
}
- if (ac->ac_max_block)
- mlog(0, "Calling in_range for max block %llu\n",
- (unsigned long long)ac->ac_max_block);
-
ac->ac_inode = local_alloc_inode;
/* We should never use localalloc from another slot */
ac->ac_alloc_slot = osb->slot_num;
@@ -722,8 +718,9 @@ bail:
iput(local_alloc_inode);
}
- mlog(0, "bits=%d, slot=%d, ret=%d\n", bits_wanted, osb->slot_num,
- status);
+ trace_ocfs2_reserve_local_alloc_bits(
+ (unsigned long long)ac->ac_max_block,
+ bits_wanted, osb->slot_num, status);
if (status)
mlog_errno(status);
@@ -797,7 +794,7 @@ static u32 ocfs2_local_alloc_count_bits(struct ocfs2_dinode *alloc)
for (i = 0; i < le16_to_cpu(la->la_size); i++)
count += hweight8(buffer[i]);
- mlog(0, "count %u\n", count);
+ trace_ocfs2_local_alloc_count_bits(count);
return count;
}
@@ -812,10 +809,7 @@ static int ocfs2_local_alloc_find_clear_bits(struct ocfs2_super *osb,
void *bitmap = NULL;
struct ocfs2_reservation_map *resmap = &osb->osb_la_resmap;
- mlog(0, "(numbits wanted = %u)\n", *numbits);
-
if (!alloc->id1.bitmap1.i_total) {
- mlog(0, "No bits in my window!\n");
bitoff = -1;
goto bail;
}
@@ -875,8 +869,7 @@ static int ocfs2_local_alloc_find_clear_bits(struct ocfs2_super *osb,
}
}
- mlog(0, "Exiting loop, bitoff = %d, numfound = %d\n", bitoff,
- numfound);
+ trace_ocfs2_local_alloc_find_clear_bits_search_bitmap(bitoff, numfound);
if (numfound == *numbits)
bitoff = startoff - numfound;
@@ -887,7 +880,10 @@ bail:
if (local_resv)
ocfs2_resv_discard(resmap, resv);
- mlog(0, "bitoff %d\n", bitoff);
+ trace_ocfs2_local_alloc_find_clear_bits(*numbits,
+ le32_to_cpu(alloc->id1.bitmap1.i_total),
+ bitoff, numfound);
+
return bitoff;
}
@@ -941,18 +937,16 @@ static int ocfs2_sync_local_to_main(struct ocfs2_super *osb,
void *bitmap;
struct ocfs2_local_alloc *la = OCFS2_LOCAL_ALLOC(alloc);
- mlog(0, "total = %u, used = %u\n",
+ trace_ocfs2_sync_local_to_main(
le32_to_cpu(alloc->id1.bitmap1.i_total),
le32_to_cpu(alloc->id1.bitmap1.i_used));
if (!alloc->id1.bitmap1.i_total) {
- mlog(0, "nothing to sync!\n");
goto bail;
}
if (le32_to_cpu(alloc->id1.bitmap1.i_used) ==
le32_to_cpu(alloc->id1.bitmap1.i_total)) {
- mlog(0, "all bits were taken!\n");
goto bail;
}
@@ -974,8 +968,7 @@ static int ocfs2_sync_local_to_main(struct ocfs2_super *osb,
ocfs2_clusters_to_blocks(osb->sb,
start - count);
- mlog(0, "freeing %u bits starting at local alloc bit "
- "%u (la_start_blk = %llu, blkno = %llu)\n",
+ trace_ocfs2_sync_local_to_main_free(
count, start - count,
(unsigned long long)la_start_blk,
(unsigned long long)blkno);
@@ -1142,12 +1135,9 @@ static int ocfs2_local_alloc_new_window(struct ocfs2_super *osb,
alloc = (struct ocfs2_dinode *) osb->local_alloc_bh->b_data;
la = OCFS2_LOCAL_ALLOC(alloc);
- if (alloc->id1.bitmap1.i_total)
- mlog(0, "asking me to alloc a new window over a non-empty "
- "one\n");
-
- mlog(0, "Allocating %u clusters for a new window.\n",
- osb->local_alloc_bits);
+ trace_ocfs2_local_alloc_new_window(
+ le32_to_cpu(alloc->id1.bitmap1.i_total),
+ osb->local_alloc_bits);
/* Instruct the allocation code to try the most recently used
* cluster group. We'll re-record the group used this pass
@@ -1209,10 +1199,9 @@ retry_enospc:
ocfs2_resmap_restart(&osb->osb_la_resmap, cluster_count,
OCFS2_LOCAL_ALLOC(alloc)->la_bitmap);
- mlog(0, "New window allocated:\n");
- mlog(0, "window la_bm_off = %u\n",
- OCFS2_LOCAL_ALLOC(alloc)->la_bm_off);
- mlog(0, "window bits = %u\n", le32_to_cpu(alloc->id1.bitmap1.i_total));
+ trace_ocfs2_local_alloc_new_window_result(
+ OCFS2_LOCAL_ALLOC(alloc)->la_bm_off,
+ le32_to_cpu(alloc->id1.bitmap1.i_total));
bail:
if (status)
diff --git a/fs/ocfs2/ocfs2_trace.h b/fs/ocfs2/ocfs2_trace.h
index 1793b1f..5bba629 100644
--- a/fs/ocfs2/ocfs2_trace.h
+++ b/fs/ocfs2/ocfs2_trace.h
@@ -23,6 +23,23 @@ DEFINE_EVENT(ocfs2__int, name, \
TP_PROTO(int num), \
TP_ARGS(num))
+DECLARE_EVENT_CLASS(ocfs2__uint,
+ TP_PROTO(unsigned int num),
+ TP_ARGS(num),
+ TP_STRUCT__entry(
+ __field( unsigned int, num )
+ ),
+ TP_fast_assign(
+ __entry->num = num;
+ ),
+ TP_printk("%u", __entry->num)
+);
+
+#define DEFINE_OCFS2_UINT_EVENT(name) \
+DEFINE_EVENT(ocfs2__uint, name, \
+ TP_PROTO(unsigned int num), \
+ TP_ARGS(num))
+
DECLARE_EVENT_CLASS(ocfs2__int_int,
TP_PROTO(int value1, int value2),
TP_ARGS(value1, value2),
@@ -61,6 +78,55 @@ DEFINE_EVENT(ocfs2__ull_uint, name, \
TP_PROTO(unsigned long long val1, unsigned int val2), \
TP_ARGS(val1, val2))
+DECLARE_EVENT_CLASS(ocfs2__uint_uint_uint,
+ TP_PROTO(unsigned int value1, unsigned int value2,
+ unsigned int value3),
+ TP_ARGS(value1, value2, value3),
+ TP_STRUCT__entry(
+ __field( unsigned int, value1 )
+ __field( unsigned int, value2 )
+ __field( unsigned int, value3 )
+ ),
+ TP_fast_assign(
+ __entry->value1 = value1;
+ __entry->value2 = value2;
+ __entry->value3 = value3;
+ ),
+ TP_printk("%u %u %u", __entry->value1, __entry->value2, __entry->value3)
+);
+
+#define DEFINE_OCFS2_UINT_UINT_UINT_EVENT(name) \
+DEFINE_EVENT(ocfs2__uint_uint_uint, name, \
+ TP_PROTO(unsigned int value1, unsigned int value2, \
+ unsigned int value3), \
+ TP_ARGS(value1, value2, value3))
+
+DECLARE_EVENT_CLASS(ocfs2__ull_int_int_int,
+ TP_PROTO(unsigned long long ull, int value1, int value2, int value3),
+ TP_ARGS(ull, value1, value2, value3),
+ TP_STRUCT__entry(
+ __field( unsigned long long, ull )
+ __field( int, value1 )
+ __field( int, value2 )
+ __field( int, value3 )
+ ),
+ TP_fast_assign(
+ __entry->ull = ull;
+ __entry->value1 = value1;
+ __entry->value2 = value2;
+ __entry->value3 = value3;
+ ),
+ TP_printk("%llu %d %d %d",
+ __entry->ull, __entry->value1,
+ __entry->value2, __entry->value3)
+);
+
+#define DEFINE_OCFS2_ULL_INT_INT_INT_EVENT(name) \
+DEFINE_EVENT(ocfs2__ull_int_int_int, name, \
+ TP_PROTO(unsigned long long ull, int value1, \
+ int value2, int value3), \
+ TP_ARGS(ull, value1, value2, value3))
+
/* Trace events for fs/ocfs2/alloc.c. */
DECLARE_EVENT_CLASS(ocfs2__btree_ops,
TP_PROTO(unsigned long long owner,\
@@ -371,6 +437,52 @@ TRACE_EVENT(ocfs2_cache_block_dealloc,
/* End of trace events for fs/ocfs2/alloc.c. */
+/* Trace events for fs/ocfs2/localalloc.c. */
+
+DEFINE_OCFS2_UINT_UINT_UINT_EVENT(ocfs2_la_set_sizes);
+
+DEFINE_OCFS2_ULL_INT_INT_INT_EVENT(ocfs2_alloc_should_use_local);
+
+DEFINE_OCFS2_INT_EVENT(ocfs2_load_local_alloc);
+
+DEFINE_OCFS2_INT_EVENT(ocfs2_begin_local_alloc_recovery);
+
+DEFINE_OCFS2_ULL_INT_INT_INT_EVENT(ocfs2_reserve_local_alloc_bits);
+
+DEFINE_OCFS2_UINT_EVENT(ocfs2_local_alloc_count_bits);
+
+DEFINE_OCFS2_INT_INT_EVENT(ocfs2_local_alloc_find_clear_bits_search_bitmap);
+
+DEFINE_OCFS2_ULL_INT_INT_INT_EVENT(ocfs2_local_alloc_find_clear_bits);
+
+DEFINE_OCFS2_INT_INT_EVENT(ocfs2_sync_local_to_main);
+
+TRACE_EVENT(ocfs2_sync_local_to_main_free,
+ TP_PROTO(int count, int bit, unsigned long long start_blk,
+ unsigned long long blkno),
+ TP_ARGS(count, bit, start_blk, blkno),
+ TP_STRUCT__entry(
+ __field(int, count)
+ __field(int, bit)
+ __field(unsigned long long, start_blk)
+ __field(unsigned long long, blkno)
+ ),
+ TP_fast_assign(
+ __entry->count = count;
+ __entry->bit = bit;
+ __entry->start_blk = start_blk;
+ __entry->blkno = blkno;
+ ),
+ TP_printk("%d %d %llu %llu",
+ __entry->count, __entry->bit, __entry->start_blk,
+ __entry->blkno)
+);
+
+DEFINE_OCFS2_INT_INT_EVENT(ocfs2_local_alloc_new_window);
+
+DEFINE_OCFS2_ULL_UINT_EVENT(ocfs2_local_alloc_new_window_result);
+
+/* End of trace events for fs/ocfs2/localalloc.c. */
#endif /* _TRACE_OCFS2_H */
/* This part must be outside protection */
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