diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ftrace_event.h | 6 | ||||
| -rw-r--r-- | include/linux/syscalls.h | 6 | ||||
| -rw-r--r-- | include/trace/ftrace.h | 44 |
3 files changed, 28 insertions, 28 deletions
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 39e71b0..496eea8 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -113,10 +113,14 @@ void tracing_record_cmdline(struct task_struct *tsk); struct event_filter; +struct ftrace_event_class { + char *system; +}; + struct ftrace_event_call { struct list_head list; + struct ftrace_event_class *class; char *name; - char *system; struct dentry *dir; struct trace_event *event; int enabled; diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 057929b..ac5791d 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -134,6 +134,8 @@ struct perf_event_attr; #define __SC_STR_TDECL5(t, a, ...) #t, __SC_STR_TDECL4(__VA_ARGS__) #define __SC_STR_TDECL6(t, a, ...) #t, __SC_STR_TDECL5(__VA_ARGS__) +extern struct ftrace_event_class event_class_syscalls; + #define SYSCALL_TRACE_ENTER_EVENT(sname) \ static const struct syscall_metadata __syscall_meta_##sname; \ static struct ftrace_event_call \ @@ -146,7 +148,7 @@ struct perf_event_attr; __attribute__((section("_ftrace_events"))) \ event_enter_##sname = { \ .name = "sys_enter"#sname, \ - .system = "syscalls", \ + .class = &event_class_syscalls, \ .event = &enter_syscall_print_##sname, \ .raw_init = init_syscall_trace, \ .define_fields = syscall_enter_define_fields, \ @@ -168,7 +170,7 @@ struct perf_event_attr; __attribute__((section("_ftrace_events"))) \ event_exit_##sname = { \ .name = "sys_exit"#sname, \ - .system = "syscalls", \ + .class = &event_class_syscalls, \ .event = &exit_syscall_print_##sname, \ .raw_init = init_syscall_trace, \ .define_fields = syscall_exit_define_fields, \ diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index 75dd778..7dcdfd8 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -62,7 +62,10 @@ struct trace_entry ent; \ tstruct \ char __data[0]; \ - }; + }; \ + \ + static struct ftrace_event_class event_class_##name; + #undef DEFINE_EVENT #define DEFINE_EVENT(template, name, proto, args) \ static struct ftrace_event_call \ @@ -430,22 +433,6 @@ perf_trace_disable_##name(struct ftrace_event_call *unused) \ * * Override the macros in <trace/trace_events.h> to include the following: * - * static void ftrace_event_<call>(proto) - * { - * event_trace_printk(_RET_IP_, "<call>: " <fmt>); - * } - * - * static int ftrace_reg_event_<call>(struct ftrace_event_call *unused) - * { - * return register_trace_<call>(ftrace_event_<call>); - * } - * - * static void ftrace_unreg_event_<call>(struct ftrace_event_call *unused) - * { - * unregister_trace_<call>(ftrace_event_<call>); - * } - * - * * For those macros defined with TRACE_EVENT: * * static struct ftrace_event_call event_<call>; @@ -497,17 +484,21 @@ perf_trace_disable_##name(struct ftrace_event_call *unused) \ * * static const char print_fmt_<call>[] = <TP_printk>; * + * static struct ftrace_event_class __used event_class_<template> = { + * .system = "<system>", + * }; + * * static struct ftrace_event_call __used * __attribute__((__aligned__(4))) * __attribute__((section("_ftrace_events"))) event_<call> = { * .name = "<call>", - * .system = "<system>", + * .class = event_class_<template>, * .raw_init = trace_event_raw_init, - * .regfunc = ftrace_reg_event_<call>, - * .unregfunc = ftrace_unreg_event_<call>, + * .regfunc = ftrace_raw_reg_event_<call>, + * .unregfunc = ftrace_raw_unreg_event_<call>, * .print_fmt = print_fmt_<call>, * .define_fields = ftrace_define_fields_<call>, - * } + * }; * */ @@ -627,7 +618,10 @@ static struct trace_event ftrace_event_type_##call = { \ #undef DECLARE_EVENT_CLASS #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ -static const char print_fmt_##call[] = print; +static const char print_fmt_##call[] = print; \ +static struct ftrace_event_class __used event_class_##call = { \ + .system = __stringify(TRACE_SYSTEM) \ +}; #undef DEFINE_EVENT #define DEFINE_EVENT(template, call, proto, args) \ @@ -636,7 +630,7 @@ static struct ftrace_event_call __used \ __attribute__((__aligned__(4))) \ __attribute__((section("_ftrace_events"))) event_##call = { \ .name = #call, \ - .system = __stringify(TRACE_SYSTEM), \ + .class = &event_class_##template, \ .event = &ftrace_event_type_##call, \ .raw_init = trace_event_raw_init, \ .regfunc = ftrace_raw_reg_event_##call, \ @@ -644,7 +638,7 @@ __attribute__((section("_ftrace_events"))) event_##call = { \ .print_fmt = print_fmt_##template, \ .define_fields = ftrace_define_fields_##template, \ _TRACE_PERF_INIT(call) \ -} +}; #undef DEFINE_EVENT_PRINT #define DEFINE_EVENT_PRINT(template, call, proto, args, print) \ @@ -655,7 +649,7 @@ static struct ftrace_event_call __used \ __attribute__((__aligned__(4))) \ __attribute__((section("_ftrace_events"))) event_##call = { \ .name = #call, \ - .system = __stringify(TRACE_SYSTEM), \ + .class = &event_class_##template, \ .event = &ftrace_event_type_##call, \ .raw_init = trace_event_raw_init, \ .regfunc = ftrace_raw_reg_event_##call, \ |
