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Date: Wed, 15 Feb 2017 17:54:52 -0800
From: Jaegeuk Kim <jaegeuk@...nel.org>
To: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
linux-f2fs-devel@...ts.sourceforge.net
Cc: Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH 2/2] f2fs: show actual device info in tracepoints
This patch shows actual device information in the tracepoints.
Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
fs/f2fs/segment.c | 10 ++++-----
include/trace/events/f2fs.h | 49 ++++++++++++++++++++++++---------------------
2 files changed, 31 insertions(+), 28 deletions(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 0a1c737f2d79..008f971296f8 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -426,11 +426,11 @@ static int submit_flush_wait(struct f2fs_sb_info *sbi)
int ret = __submit_flush_wait(sbi->sb->s_bdev);
int i;
- trace_f2fs_issue_flush(sbi->sb, test_opt(sbi, NOBARRIER),
- test_opt(sbi, FLUSH_MERGE));
-
if (sbi->s_ndevs && !ret) {
for (i = 1; i < sbi->s_ndevs; i++) {
+ trace_f2fs_issue_flush(FDEV(i).bdev,
+ test_opt(sbi, NOBARRIER),
+ test_opt(sbi, FLUSH_MERGE));
ret = __submit_flush_wait(FDEV(i).bdev);
if (ret)
break;
@@ -758,7 +758,7 @@ static int __f2fs_issue_discard_async(struct f2fs_sb_info *sbi,
block_t lblkstart = blkstart;
int err;
- trace_f2fs_issue_discard(sbi->sb, blkstart, blklen);
+ trace_f2fs_issue_discard(bdev, blkstart, blklen);
if (sbi->s_ndevs) {
int devi = f2fs_target_device_index(sbi, blkstart);
@@ -815,7 +815,7 @@ static int __f2fs_issue_discard_zone(struct f2fs_sb_info *sbi,
return __f2fs_issue_discard_async(sbi, bdev, blkstart, blklen);
case BLK_ZONE_TYPE_SEQWRITE_REQ:
case BLK_ZONE_TYPE_SEQWRITE_PREF:
- trace_f2fs_issue_reset_zone(sbi->sb, blkstart);
+ trace_f2fs_issue_reset_zone(bdev, blkstart);
return blkdev_reset_zones(bdev, sector,
nr_sects, GFP_NOFS);
default:
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 82236792b50c..153572e256d6 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -6,8 +6,8 @@
#include <linux/tracepoint.h>
-#define show_dev(entry) MAJOR(entry->dev), MINOR(entry->dev)
-#define show_dev_ino(entry) show_dev(entry), (unsigned long)entry->ino
+#define show_dev(dev) MAJOR(dev), MINOR(dev)
+#define show_dev_ino(entry) show_dev(entry->dev), (unsigned long)entry->ino
TRACE_DEFINE_ENUM(NODE);
TRACE_DEFINE_ENUM(DATA);
@@ -245,7 +245,7 @@ TRACE_EVENT(f2fs_sync_fs,
),
TP_printk("dev = (%d,%d), superblock is %s, wait = %d",
- show_dev(__entry),
+ show_dev(__entry->dev),
__entry->dirty ? "dirty" : "not dirty",
__entry->wait)
);
@@ -544,7 +544,7 @@ TRACE_EVENT(f2fs_background_gc,
),
TP_printk("dev = (%d,%d), wait_ms = %ld, prefree = %u, free = %u",
- show_dev(__entry),
+ show_dev(__entry->dev),
__entry->wait_ms,
__entry->prefree,
__entry->free)
@@ -586,7 +586,7 @@ TRACE_EVENT(f2fs_get_victim,
TP_printk("dev = (%d,%d), type = %s, policy = (%s, %s, %s), victim = %u "
"ofs_unit = %u, pre_victim_secno = %d, prefree = %u, free = %u",
- show_dev(__entry),
+ show_dev(__entry->dev),
show_data_type(__entry->type),
show_gc_type(__entry->gc_type),
show_alloc_mode(__entry->alloc_mode),
@@ -723,7 +723,7 @@ TRACE_EVENT(f2fs_reserve_new_blocks,
),
TP_printk("dev = (%d,%d), nid = %u, ofs_in_node = %u, count = %llu",
- show_dev(__entry),
+ show_dev(__entry->dev),
(unsigned int)__entry->nid,
__entry->ofs_in_node,
(unsigned long long)__entry->count)
@@ -793,6 +793,7 @@ DECLARE_EVENT_CLASS(f2fs__bio,
TP_STRUCT__entry(
__field(dev_t, dev)
+ __field(dev_t, target)
__field(int, op)
__field(int, op_flags)
__field(int, type)
@@ -802,6 +803,7 @@ DECLARE_EVENT_CLASS(f2fs__bio,
TP_fast_assign(
__entry->dev = sb->s_dev;
+ __entry->target = bio->bi_bdev->bd_dev;
__entry->op = bio_op(bio);
__entry->op_flags = bio->bi_opf;
__entry->type = type;
@@ -809,8 +811,9 @@ DECLARE_EVENT_CLASS(f2fs__bio,
__entry->size = bio->bi_iter.bi_size;
),
- TP_printk("dev = (%d,%d), rw = %s%s, %s, sector = %lld, size = %u",
- show_dev(__entry),
+ TP_printk("dev = (%d,%d)/(%d,%d), rw = %s%s, %s, sector = %lld, size = %u",
+ show_dev(__entry->target),
+ show_dev(__entry->dev),
show_bio_type(__entry->op, __entry->op_flags),
show_block_type(__entry->type),
(unsigned long long)__entry->sector,
@@ -1107,16 +1110,16 @@ TRACE_EVENT(f2fs_write_checkpoint,
),
TP_printk("dev = (%d,%d), checkpoint for %s, state = %s",
- show_dev(__entry),
+ show_dev(__entry->dev),
show_cpreason(__entry->reason),
__entry->msg)
);
TRACE_EVENT(f2fs_issue_discard,
- TP_PROTO(struct super_block *sb, block_t blkstart, block_t blklen),
+ TP_PROTO(struct block_device *dev, block_t blkstart, block_t blklen),
- TP_ARGS(sb, blkstart, blklen),
+ TP_ARGS(dev, blkstart, blklen),
TP_STRUCT__entry(
__field(dev_t, dev)
@@ -1125,22 +1128,22 @@ TRACE_EVENT(f2fs_issue_discard,
),
TP_fast_assign(
- __entry->dev = sb->s_dev;
+ __entry->dev = dev->bd_dev;
__entry->blkstart = blkstart;
__entry->blklen = blklen;
),
TP_printk("dev = (%d,%d), blkstart = 0x%llx, blklen = 0x%llx",
- show_dev(__entry),
+ show_dev(__entry->dev),
(unsigned long long)__entry->blkstart,
(unsigned long long)__entry->blklen)
);
TRACE_EVENT(f2fs_issue_reset_zone,
- TP_PROTO(struct super_block *sb, block_t blkstart),
+ TP_PROTO(struct block_device *dev, block_t blkstart),
- TP_ARGS(sb, blkstart),
+ TP_ARGS(dev, blkstart),
TP_STRUCT__entry(
__field(dev_t, dev)
@@ -1148,21 +1151,21 @@ TRACE_EVENT(f2fs_issue_reset_zone,
),
TP_fast_assign(
- __entry->dev = sb->s_dev;
+ __entry->dev = dev->bd_dev;
__entry->blkstart = blkstart;
),
TP_printk("dev = (%d,%d), reset zone at block = 0x%llx",
- show_dev(__entry),
+ show_dev(__entry->dev),
(unsigned long long)__entry->blkstart)
);
TRACE_EVENT(f2fs_issue_flush,
- TP_PROTO(struct super_block *sb, unsigned int nobarrier,
+ TP_PROTO(struct block_device *dev, unsigned int nobarrier,
unsigned int flush_merge),
- TP_ARGS(sb, nobarrier, flush_merge),
+ TP_ARGS(dev, nobarrier, flush_merge),
TP_STRUCT__entry(
__field(dev_t, dev)
@@ -1171,13 +1174,13 @@ TRACE_EVENT(f2fs_issue_flush,
),
TP_fast_assign(
- __entry->dev = sb->s_dev;
+ __entry->dev = dev->bd_dev;
__entry->nobarrier = nobarrier;
__entry->flush_merge = flush_merge;
),
TP_printk("dev = (%d,%d), %s %s",
- show_dev(__entry),
+ show_dev(__entry->dev),
__entry->nobarrier ? "skip (nobarrier)" : "issue",
__entry->flush_merge ? " with flush_merge" : "")
);
@@ -1292,7 +1295,7 @@ TRACE_EVENT(f2fs_shrink_extent_tree,
),
TP_printk("dev = (%d,%d), shrunk: node_cnt = %u, tree_cnt = %u",
- show_dev(__entry),
+ show_dev(__entry->dev),
__entry->node_cnt,
__entry->tree_cnt)
);
@@ -1339,7 +1342,7 @@ DECLARE_EVENT_CLASS(f2fs_sync_dirty_inodes,
),
TP_printk("dev = (%d,%d), %s, dirty count = %lld",
- show_dev(__entry),
+ show_dev(__entry->dev),
show_file_type(__entry->type),
__entry->count)
);
--
2.11.0
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