diff options
Diffstat (limited to 'kernel/trace/trace_export.c')
| -rw-r--r-- | kernel/trace/trace_export.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c index e039906b037..d4ddde28a81 100644 --- a/kernel/trace/trace_export.c +++ b/kernel/trace/trace_export.c @@ -95,15 +95,12 @@ static void __always_unused ____ftrace_check_##name(void) \ #undef __array #define __array(type, item, len) \ do { \ + char *type_str = #type"["__stringify(len)"]"; \ BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \ - mutex_lock(&event_storage_mutex); \ - snprintf(event_storage, sizeof(event_storage), \ - "%s[%d]", #type, len); \ - ret = trace_define_field(event_call, event_storage, #item, \ + ret = trace_define_field(event_call, type_str, #item, \ offsetof(typeof(field), item), \ sizeof(field.item), \ is_signed_type(type), filter_type); \ - mutex_unlock(&event_storage_mutex); \ if (ret) \ return ret; \ } while (0); @@ -129,7 +126,7 @@ static void __always_unused ____ftrace_check_##name(void) \ #undef FTRACE_ENTRY #define FTRACE_ENTRY(name, struct_name, id, tstruct, print, filter) \ -int \ +static int __init \ ftrace_define_fields_##name(struct ftrace_event_call *event_call) \ { \ struct struct_name field; \ @@ -168,7 +165,7 @@ ftrace_define_fields_##name(struct ftrace_event_call *event_call) \ #define FTRACE_ENTRY_REG(call, struct_name, etype, tstruct, print, filter,\ regfn) \ \ -struct ftrace_event_class event_class_ftrace_##call = { \ +struct ftrace_event_class __refdata event_class_ftrace_##call = { \ .system = __stringify(TRACE_SYSTEM), \ .define_fields = ftrace_define_fields_##call, \ .fields = LIST_HEAD_INIT(event_class_ftrace_##call.fields),\ @@ -176,11 +173,13 @@ struct ftrace_event_class event_class_ftrace_##call = { \ }; \ \ struct ftrace_event_call __used event_##call = { \ - .name = #call, \ - .event.type = etype, \ .class = &event_class_ftrace_##call, \ + { \ + .name = #call, \ + }, \ + .event.type = etype, \ .print_fmt = print, \ - .flags = TRACE_EVENT_FL_IGNORE_ENABLE, \ + .flags = TRACE_EVENT_FL_IGNORE_ENABLE | TRACE_EVENT_FL_USE_CALL_FILTER, \ }; \ struct ftrace_event_call __used \ __attribute__((section("_ftrace_events"))) *__event_##call = &event_##call; |