linux/arch/x86/include/asm/stacktrace.h
Frederic Weisbecker 0fb8ee48d9 perf: Drop useless check for ignored frame
The check that ignores the debug and nmi stack frames is useless
now that we have a frame pointer that makes us start at the
right place. We don't anymore have to deal with these.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1262235183-5320-2-git-send-regression-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-01-13 10:09:08 +01:00

46 lines
1.4 KiB
C

#ifndef _ASM_X86_STACKTRACE_H
#define _ASM_X86_STACKTRACE_H
extern int kstack_depth_to_print;
struct thread_info;
struct stacktrace_ops;
typedef unsigned long (*walk_stack_t)(struct thread_info *tinfo,
unsigned long *stack,
unsigned long bp,
const struct stacktrace_ops *ops,
void *data,
unsigned long *end,
int *graph);
extern unsigned long
print_context_stack(struct thread_info *tinfo,
unsigned long *stack, unsigned long bp,
const struct stacktrace_ops *ops, void *data,
unsigned long *end, int *graph);
extern unsigned long
print_context_stack_bp(struct thread_info *tinfo,
unsigned long *stack, unsigned long bp,
const struct stacktrace_ops *ops, void *data,
unsigned long *end, int *graph);
/* Generic stack tracer with callbacks */
struct stacktrace_ops {
void (*warning)(void *data, char *msg);
/* msg must contain %s for the symbol */
void (*warning_symbol)(void *data, char *msg, unsigned long symbol);
void (*address)(void *data, unsigned long address, int reliable);
/* On negative return stop dumping */
int (*stack)(void *data, char *name);
walk_stack_t walk_stack;
};
void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
unsigned long *stack, unsigned long bp,
const struct stacktrace_ops *ops, void *data);
#endif /* _ASM_X86_STACKTRACE_H */