linux-kernel - [PATCH 2/2] f2fs: show i_mode in trace_f2fs_new

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Date:   Tue, 28 Nov 2023 17:31:30 +0800
From:   Chao Yu <chao@...nel.org>
To:     jaegeuk@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Chao Yu <chao@...nel.org>
Subject: [PATCH 2/2] f2fs: show i_mode in trace_f2fs_new_inode()

This patch supports to show i_mode field in trace_f2fs_new_inode().

Signed-off-by: Chao Yu <chao@...nel.org>
---
 include/trace/events/f2fs.h | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 36d9e29ca3c5..479d26eae22f 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -161,6 +161,19 @@ TRACE_DEFINE_ENUM(EX_BLOCK_AGE);
 		{ EX_READ,	"Read" },				\
 		{ EX_BLOCK_AGE,	"Block Age" })
 
+#define show_inode_type(x) \
+	__print_symbolic(x, \
+		{ S_IFLNK,		"symbolic" }, \
+		{ S_IFREG,		"regular" }, \
+		{ S_IFDIR,		"directory" }, \
+		{ S_IFCHR,		"character" }, \
+		{ S_IFBLK,		"block" }, \
+		{ S_IFIFO,		"fifo" }, \
+		{ S_IFSOCK,		"sock" })
+
+#define S_ALL_PERM	(S_ISUID | S_ISGID | S_ISVTX |	\
+			S_IRWXU | S_IRWXG | S_IRWXO)
+
 struct f2fs_sb_info;
 struct f2fs_io_info;
 struct extent_info;
@@ -215,17 +228,21 @@ DECLARE_EVENT_CLASS(f2fs__inode_exit,
 	TP_STRUCT__entry(
 		__field(dev_t,	dev)
 		__field(ino_t,	ino)
+		__field(umode_t, mode)
 		__field(int,	ret)
 	),
 
 	TP_fast_assign(
 		__entry->dev	= inode->i_sb->s_dev;
 		__entry->ino	= inode->i_ino;
+		__entry->mode	= inode->i_mode;
 		__entry->ret	= ret;
 	),
 
-	TP_printk("dev = (%d,%d), ino = %lu, ret = %d",
+	TP_printk("dev = (%d,%d), ino = %lu, type: %s, mode = 0%o, ret = %d",
 		show_dev_ino(__entry),
+		show_inode_type(__entry->mode & S_IFMT),
+		__entry->mode & S_ALL_PERM,
 		__entry->ret)
 );
 
-- 
2.40.1