diff options
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 4959ada9e0bb..91c3d0e9a5a1 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -15,6 +15,10 @@ #include <linux/trace_seq.h> #include <linux/ftrace_event.h> +#ifdef CONFIG_KSYM_TRACER +#include <asm/hw_breakpoint.h> +#endif + enum trace_type { __TRACE_FIRST_TYPE = 0, @@ -37,6 +41,7 @@ enum trace_type { TRACE_KMEM_ALLOC, TRACE_KMEM_FREE, TRACE_BLK, + TRACE_KSYM, __TRACE_LAST_TYPE, }; @@ -209,6 +214,7 @@ extern void __ftrace_bad_type(void); TRACE_KMEM_ALLOC); \ IF_ASSIGN(var, ent, struct kmemtrace_free_entry, \ TRACE_KMEM_FREE); \ + IF_ASSIGN(var, ent, struct ksym_trace_entry, TRACE_KSYM);\ __ftrace_bad_type(); \ } while (0) @@ -364,6 +370,9 @@ int register_tracer(struct tracer *type); void unregister_tracer(struct tracer *type); int is_tracing_stopped(void); +#define KSYM_SELFTEST_ENTRY "ksym_selftest_dummy" +extern int process_new_ksym_entry(char *ksymname, int op, unsigned long addr); + extern unsigned long nsecs_to_usecs(unsigned long nsecs); #ifdef CONFIG_TRACER_MAX_TRACE @@ -438,6 +447,8 @@ extern int trace_selftest_startup_branch(struct tracer *trace, struct trace_array *tr); extern int trace_selftest_startup_hw_branches(struct tracer *trace, struct trace_array *tr); +extern int trace_selftest_startup_ksym(struct tracer *trace, + struct trace_array *tr); #endif /* CONFIG_FTRACE_STARTUP_TEST */ extern void *head_page(struct trace_array_cpu *data); |