diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /kernel/trace/ftrace_internal.h | |
| parent | Initial commit. (diff) | |
| download | linux-upstream.tar.xz linux-upstream.zip | |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'kernel/trace/ftrace_internal.h')
| -rw-r--r-- | kernel/trace/ftrace_internal.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/kernel/trace/ftrace_internal.h b/kernel/trace/ftrace_internal.h new file mode 100644 index 000000000..382775edf --- /dev/null +++ b/kernel/trace/ftrace_internal.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_KERNEL_FTRACE_INTERNAL_H +#define _LINUX_KERNEL_FTRACE_INTERNAL_H + +#ifdef CONFIG_FUNCTION_TRACER + +extern struct mutex ftrace_lock; +extern struct ftrace_ops global_ops; + +#ifdef CONFIG_DYNAMIC_FTRACE + +int ftrace_startup(struct ftrace_ops *ops, int command); +int ftrace_shutdown(struct ftrace_ops *ops, int command); +int ftrace_ops_test(struct ftrace_ops *ops, unsigned long ip, void *regs); + +#else /* !CONFIG_DYNAMIC_FTRACE */ + +int __register_ftrace_function(struct ftrace_ops *ops); +int __unregister_ftrace_function(struct ftrace_ops *ops); +/* Keep as macros so we do not need to define the commands */ +# define ftrace_startup(ops, command) \ + ({ \ + int ___ret = __register_ftrace_function(ops); \ + if (!___ret) \ + (ops)->flags |= FTRACE_OPS_FL_ENABLED; \ + ___ret; \ + }) +# define ftrace_shutdown(ops, command) \ + ({ \ + int ___ret = __unregister_ftrace_function(ops); \ + if (!___ret) \ + (ops)->flags &= ~FTRACE_OPS_FL_ENABLED; \ + ___ret; \ + }) +static inline int +ftrace_ops_test(struct ftrace_ops *ops, unsigned long ip, void *regs) +{ + return 1; +} +#endif /* CONFIG_DYNAMIC_FTRACE */ + +#ifdef CONFIG_FUNCTION_GRAPH_TRACER +extern int ftrace_graph_active; +void update_function_graph_func(void); +#else /* !CONFIG_FUNCTION_GRAPH_TRACER */ +# define ftrace_graph_active 0 +static inline void update_function_graph_func(void) { } +#endif /* CONFIG_FUNCTION_GRAPH_TRACER */ + +#else /* !CONFIG_FUNCTION_TRACER */ +#endif /* CONFIG_FUNCTION_TRACER */ + +#endif |