mirror of
https://github.com/torvalds/linux.git
synced 2024-11-05 11:32:04 +00:00
5f307491f3
Stack unwinding is done by code examination. For kernelspace, the already existing unwind function is utilized that uses kallsyms to quickly find the beginning of functions. For userspace a new function was added that examines code at and before the pc. Signed-off-by: Daniel Kalmar <kalmard@homejinni.com> Signed-off-by: Gergely Kis <gergely@homejinni.com> Signed-off-by: Robert Richter <robert.richter@amd.com>
42 lines
945 B
C
42 lines
945 B
C
/**
|
|
* @file arch/alpha/oprofile/op_impl.h
|
|
*
|
|
* @remark Copyright 2002 OProfile authors
|
|
* @remark Read the file COPYING
|
|
*
|
|
* @author Richard Henderson <rth@twiddle.net>
|
|
*/
|
|
|
|
#ifndef OP_IMPL_H
|
|
#define OP_IMPL_H 1
|
|
|
|
extern int (*perf_irq)(void);
|
|
|
|
/* Per-counter configuration as set via oprofilefs. */
|
|
struct op_counter_config {
|
|
unsigned long enabled;
|
|
unsigned long event;
|
|
unsigned long count;
|
|
/* Dummies because I am too lazy to hack the userspace tools. */
|
|
unsigned long kernel;
|
|
unsigned long user;
|
|
unsigned long exl;
|
|
unsigned long unit_mask;
|
|
};
|
|
|
|
/* Per-architecture configury and hooks. */
|
|
struct op_mips_model {
|
|
void (*reg_setup) (struct op_counter_config *);
|
|
void (*cpu_setup) (void *dummy);
|
|
int (*init)(void);
|
|
void (*exit)(void);
|
|
void (*cpu_start)(void *args);
|
|
void (*cpu_stop)(void *args);
|
|
char *cpu_type;
|
|
unsigned char num_counters;
|
|
};
|
|
|
|
void op_mips_backtrace(struct pt_regs * const regs, unsigned int depth);
|
|
|
|
#endif
|