Commit 9a2a3aab authored by Jiapeng Chong's avatar Jiapeng Chong Committed by Steven Rostedt (Google)
Browse files

fgraph: Remove some unused functions 

These functions are defined in the fgraph.c file, but not
called elsewhere, so delete these unused functions.

kernel/trace/fgraph.c:273:1: warning: unused function 'set_bitmap_bits'.
kernel/trace/fgraph.c:259:19: warning: unused function 'get_fgraph_type'.

Link: https://lore.kernel.org/linux-trace-kernel/20240606021053.27783-1-jiapeng.chong@linux.alibaba.com



Reported-by: default avatarAbaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9289


Signed-off-by: default avatarJiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: default avatarSteven Rostedt (Google) <rostedt@goodmis.org>
parent 6c1f7f0a

kernel/trace/fgraph.c

+0 −13
Original line number Diff line number Diff line
@@ -255,12 +255,6 @@ static inline int get_frame_offset(struct task_struct *t, int offset) 
	return __get_offset(t->ret_stack[offset]);

}



/* Get FGRAPH_TYPE from the word from the @offset at ret_stack */

static inline int get_fgraph_type(struct task_struct *t, int offset)

{

	return __get_type(t->ret_stack[offset]);

}



/* For BITMAP type: get the bitmask from the @offset at ret_stack */

static inline unsigned long

get_bitmap_bits(struct task_struct *t, int offset)
@@ -268,13 +262,6 @@ get_bitmap_bits(struct task_struct *t, int offset) 
	return (t->ret_stack[offset] >> FGRAPH_INDEX_SHIFT) & FGRAPH_INDEX_MASK;

}



/* For BITMAP type: set the bits in the bitmap bitmask at @offset on ret_stack */

static inline void

set_bitmap_bits(struct task_struct *t, int offset, unsigned long bitmap)

{

	t->ret_stack[offset] |= (bitmap << FGRAPH_INDEX_SHIFT);

}



/* Write the bitmap to the ret_stack at @offset (does index, offset and bitmask) */

static inline void

set_bitmap(struct task_struct *t, int offset, unsigned long bitmap)