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| author |   Ingo Molnar <mingo@elte.hu> | 2009-03-13 10:23:39 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-13 10:23:39 +0100 |
| commit | 62a394eb77a1ddea73273f53ed8c3ccf6e04f2fb (patch) | |
| tree | ee72d87524b29eb9457b45e02a4587d8fbd9191d /include | |
| parent | Merge branch 'tip/tracing/ftrace' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into tracing/ftrace (diff) | |
| parent | tracing/x86: basic implementation of syscall tracing for x86 (diff) | |
| download | linux-dev-62a394eb77a1ddea73273f53ed8c3ccf6e04f2fb.tar.xz linux-dev-62a394eb77a1ddea73273f53ed8c3ccf6e04f2fb.zip | |
Merge branches 'tracing/ftrace' and 'tracing/syscalls'; commit 'v2.6.29-rc8' into tracing/core
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ftrace.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index e1583f2639b0..c146c1021a29 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -503,4 +503,25 @@ static inline void trace_hw_branch_oops(void) {} #endif /* CONFIG_HW_BRANCH_TRACER */ +/* + * A syscall entry in the ftrace syscalls array. + * + * @syscall_nr: syscall number + */ +struct syscall_trace_entry { + int syscall_nr; +}; + +#ifdef CONFIG_FTRACE_SYSCALLS +extern void start_ftrace_syscalls(void); +extern void stop_ftrace_syscalls(void); +extern void ftrace_syscall_enter(struct pt_regs *regs); +extern void ftrace_syscall_exit(struct pt_regs *regs); +#else +static inline void start_ftrace_syscalls(void) { } +static inline void stop_ftrace_syscalls(void) { } +static inline void ftrace_syscall_enter(struct pt_regs *regs) { } +static inline void ftrace_syscall_exit(struct pt_regs *regs) { } +#endif + #endif /* _LINUX_FTRACE_H */ |