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| author | Ingo Molnar <mingo@elte.hu> | 2008-11-12 10:17:09 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-12 10:17:09 +0100 |
| commit | 60a011c736e7dd09a0b01ca6a051a416f3f52ffb (patch) | |
| tree | 20e91db58c3bbfa622d3ed8ec747e4974a807284 /arch/x86/include/asm/ftrace.h | |
| parent | d06bbd669539215405874d8fe32ab65105e6c4bb (diff) | |
| parent | 19b3e9671c5a219b8c34da2cc66e0ce7c3a501ae (diff) | |
| download | linux-60a011c736e7dd09a0b01ca6a051a416f3f52ffb.tar.gz linux-60a011c736e7dd09a0b01ca6a051a416f3f52ffb.tar.bz2 linux-60a011c736e7dd09a0b01ca6a051a416f3f52ffb.zip | |
Merge branch 'tracing/function-return-tracer' into tracing/fastboot
Diffstat (limited to 'arch/x86/include/asm/ftrace.h')
| -rw-r--r-- | arch/x86/include/asm/ftrace.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h index f8173ed1c970..9b6a1fa19e70 100644 --- a/arch/x86/include/asm/ftrace.h +++ b/arch/x86/include/asm/ftrace.h @@ -20,4 +20,30 @@ static inline unsigned long ftrace_call_adjust(unsigned long addr) #endif /* __ASSEMBLY__ */ #endif /* CONFIG_FUNCTION_TRACER */ +#ifdef CONFIG_FUNCTION_RET_TRACER +#define FTRACE_RET_STACK_SIZE 20 + +#ifndef __ASSEMBLY__ + +/* + * Stack of return addresses for functions + * of a thread. + * Used in struct thread_info + */ +struct ftrace_ret_stack { + unsigned long ret; + unsigned long func; + unsigned long long calltime; +}; + +/* + * Primary handler of a function return. + * It relays on ftrace_return_to_handler. + * Defined in entry32.S + */ +extern void return_to_handler(void); + +#endif /* __ASSEMBLY__ */ +#endif /* CONFIG_FUNCTION_RET_TRACER */ + #endif /* _ASM_X86_FTRACE_H */ |