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Commit c494213f authored by Darrick J. Wong's avatar Darrick J. Wong
Browse files

xfs: stringify btree cursor types in ftrace output 



Use __print_symbolic to print the btree type in ftrace output.

Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: default avatarEric Sandeen <sandeen@redhat.com>
parent 0357d21a

fs/xfs/libxfs/xfs_types.h

+13 −0
Original line number Diff line number Diff line
@@ -113,11 +113,24 @@ typedef enum { 
	{ XFS_LOOKUP_LEi,	"le" }, \

	{ XFS_LOOKUP_GEi,	"ge" }



/*

 * This enum is used in string mapping in xfs_trace.h; please keep the

 * TRACE_DEFINE_ENUMs for it up to date.

 */

typedef enum {

	XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_RMAPi, XFS_BTNUM_BMAPi,

	XFS_BTNUM_INOi, XFS_BTNUM_FINOi, XFS_BTNUM_REFCi, XFS_BTNUM_MAX

} xfs_btnum_t;



#define XFS_BTNUM_STRINGS \

	{ XFS_BTNUM_BNOi,	"bnobt" }, \

	{ XFS_BTNUM_CNTi,	"cntbt" }, \

	{ XFS_BTNUM_RMAPi,	"rmapbt" }, \

	{ XFS_BTNUM_BMAPi,	"bmbt" }, \

	{ XFS_BTNUM_INOi,	"inobt" }, \

	{ XFS_BTNUM_FINOi,	"finobt" }, \

	{ XFS_BTNUM_REFCi,	"refcbt" }



struct xfs_name {

	const unsigned char	*name;

	int			len;

fs/xfs/scrub/trace.h

+26 −12
Original line number Diff line number Diff line
@@ -12,6 +12,20 @@ 
#include <linux/tracepoint.h>

#include "xfs_bit.h"



/*

 * ftrace's __print_symbolic requires that all enum values be wrapped in the

 * TRACE_DEFINE_ENUM macro so that the enum value can be encoded in the ftrace

 * ring buffer.  Somehow this was only worth mentioning in the ftrace sample

 * code.

 */

TRACE_DEFINE_ENUM(XFS_BTNUM_BNOi);

TRACE_DEFINE_ENUM(XFS_BTNUM_CNTi);

TRACE_DEFINE_ENUM(XFS_BTNUM_BMAPi);

TRACE_DEFINE_ENUM(XFS_BTNUM_INOi);

TRACE_DEFINE_ENUM(XFS_BTNUM_FINOi);

TRACE_DEFINE_ENUM(XFS_BTNUM_RMAPi);

TRACE_DEFINE_ENUM(XFS_BTNUM_REFCi);



DECLARE_EVENT_CLASS(xchk_class,

	TP_PROTO(struct xfs_inode *ip, struct xfs_scrub_metadata *sm,

		 int error),
@@ -278,10 +292,10 @@ TRACE_EVENT(xchk_btree_op_error, 
		__entry->error = error;

		__entry->ret_ip = ret_ip;

	),

	TP_printk("dev %d:%d type %u btnum %d level %d ptr %d agno %u agbno %u error %d ret_ip %pS",

	TP_printk("dev %d:%d type %u btree %s level %d ptr %d agno %u agbno %u error %d ret_ip %pS",

		  MAJOR(__entry->dev), MINOR(__entry->dev),

		  __entry->type,

		  __entry->btnum,

		  __print_symbolic(__entry->btnum, XFS_BTNUM_STRINGS),

		  __entry->level,

		  __entry->ptr,

		  __entry->agno,
@@ -321,12 +335,12 @@ TRACE_EVENT(xchk_ifork_btree_op_error, 
		__entry->error = error;

		__entry->ret_ip = ret_ip;

	),

	TP_printk("dev %d:%d ino 0x%llx fork %d type %u btnum %d level %d ptr %d agno %u agbno %u error %d ret_ip %pS",

	TP_printk("dev %d:%d ino 0x%llx fork %d type %u btree %s level %d ptr %d agno %u agbno %u error %d ret_ip %pS",

		  MAJOR(__entry->dev), MINOR(__entry->dev),

		  __entry->ino,

		  __entry->whichfork,

		  __entry->type,

		  __entry->btnum,

		  __print_symbolic(__entry->btnum, XFS_BTNUM_STRINGS),

		  __entry->level,

		  __entry->ptr,

		  __entry->agno,
@@ -360,10 +374,10 @@ TRACE_EVENT(xchk_btree_error, 
		__entry->ptr = cur->bc_ptrs[level];

		__entry->ret_ip = ret_ip;

	),

	TP_printk("dev %d:%d type %u btnum %d level %d ptr %d agno %u agbno %u ret_ip %pS",

	TP_printk("dev %d:%d type %u btree %s level %d ptr %d agno %u agbno %u ret_ip %pS",

		  MAJOR(__entry->dev), MINOR(__entry->dev),

		  __entry->type,

		  __entry->btnum,

		  __print_symbolic(__entry->btnum, XFS_BTNUM_STRINGS),

		  __entry->level,

		  __entry->ptr,

		  __entry->agno,
@@ -400,12 +414,12 @@ TRACE_EVENT(xchk_ifork_btree_error, 
		__entry->ptr = cur->bc_ptrs[level];

		__entry->ret_ip = ret_ip;

	),

	TP_printk("dev %d:%d ino 0x%llx fork %d type %u btnum %d level %d ptr %d agno %u agbno %u ret_ip %pS",

	TP_printk("dev %d:%d ino 0x%llx fork %d type %u btree %s level %d ptr %d agno %u agbno %u ret_ip %pS",

		  MAJOR(__entry->dev), MINOR(__entry->dev),

		  __entry->ino,

		  __entry->whichfork,

		  __entry->type,

		  __entry->btnum,

		  __print_symbolic(__entry->btnum, XFS_BTNUM_STRINGS),

		  __entry->level,

		  __entry->ptr,

		  __entry->agno,
@@ -439,10 +453,10 @@ DECLARE_EVENT_CLASS(xchk_sbtree_class, 
		__entry->nlevels = cur->bc_nlevels;

		__entry->ptr = cur->bc_ptrs[level];

	),

	TP_printk("dev %d:%d type %u btnum %d agno %u agbno %u level %d nlevels %d ptr %d",

	TP_printk("dev %d:%d type %u btree %s agno %u agbno %u level %d nlevels %d ptr %d",

		  MAJOR(__entry->dev), MINOR(__entry->dev),

		  __entry->type,

		  __entry->btnum,

		  __print_symbolic(__entry->btnum, XFS_BTNUM_STRINGS),

		  __entry->agno,

		  __entry->bno,

		  __entry->level,
@@ -598,11 +612,11 @@ TRACE_EVENT(xrep_init_btblock, 
		__entry->agbno = agbno;

		__entry->btnum = btnum;

	),

	TP_printk("dev %d:%d agno %u agbno %u btnum %d",

	TP_printk("dev %d:%d agno %u agbno %u btree %s",

		  MAJOR(__entry->dev), MINOR(__entry->dev),

		  __entry->agno,

		  __entry->agbno,

		  __entry->btnum)

		  __print_symbolic(__entry->btnum, XFS_BTNUM_STRINGS))

)

TRACE_EVENT(xrep_findroot_block,

	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_agblock_t agbno,

fs/xfs/xfs_trace.h

+10 −2
Original line number Diff line number Diff line
@@ -2194,6 +2194,14 @@ DEFINE_DISCARD_EVENT(xfs_discard_exclude); 
DEFINE_DISCARD_EVENT(xfs_discard_busy);



/* btree cursor events */

TRACE_DEFINE_ENUM(XFS_BTNUM_BNOi);

TRACE_DEFINE_ENUM(XFS_BTNUM_CNTi);

TRACE_DEFINE_ENUM(XFS_BTNUM_BMAPi);

TRACE_DEFINE_ENUM(XFS_BTNUM_INOi);

TRACE_DEFINE_ENUM(XFS_BTNUM_FINOi);

TRACE_DEFINE_ENUM(XFS_BTNUM_RMAPi);

TRACE_DEFINE_ENUM(XFS_BTNUM_REFCi);



DECLARE_EVENT_CLASS(xfs_btree_cur_class,

	TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp),

	TP_ARGS(cur, level, bp),
@@ -2213,9 +2221,9 @@ DECLARE_EVENT_CLASS(xfs_btree_cur_class, 
		__entry->ptr = cur->bc_ptrs[level];

		__entry->daddr = bp ? bp->b_bn : -1;

	),

	TP_printk("dev %d:%d btnum %d level %d/%d ptr %d daddr 0x%llx",

	TP_printk("dev %d:%d btree %s level %d/%d ptr %d daddr 0x%llx",

		  MAJOR(__entry->dev), MINOR(__entry->dev),

		  __entry->btnum,

		  __print_symbolic(__entry->btnum, XFS_BTNUM_STRINGS),

		  __entry->level,

		  __entry->nlevels,

		  __entry->ptr,