diff options
Diffstat (limited to 'kernel/trace/trace_events.c')
| -rw-r--r-- | kernel/trace/trace_events.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index da62472b1297..f38234ecea18 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -24,6 +24,7 @@ #include <linux/delay.h> #include <trace/events/sched.h> +#include <trace/syscall.h> #include <asm/setup.h> @@ -698,7 +699,7 @@ static void remove_subsystem(struct trace_subsystem_dir *dir) return; if (!--dir->nr_events) { - tracefs_remove_recursive(dir->entry); + tracefs_remove(dir->entry); list_del(&dir->list); __put_system_dir(dir); } @@ -717,7 +718,7 @@ static void remove_event_file_dir(struct trace_event_file *file) } spin_unlock(&dir->d_lock); - tracefs_remove_recursive(dir); + tracefs_remove(dir); } list_del(&file->list); @@ -2018,7 +2019,24 @@ event_create_dir(struct dentry *parent, struct trace_event_file *file) */ head = trace_get_fields(call); if (list_empty(head)) { - ret = call->class->define_fields(call); + struct trace_event_fields *field = call->class->fields_array; + unsigned int offset = sizeof(struct trace_entry); + + for (; field->type; field++) { + if (field->type == TRACE_FUNCTION_TYPE) { + ret = field->define_fields(call); + break; + } + + offset = ALIGN(offset, field->align); + ret = trace_define_field(call, field->type, field->name, + offset, field->size, + field->is_signed, field->filter_type); + if (ret) + break; + + offset += field->size; + } if (ret < 0) { pr_warn("Could not initialize trace point events/%s\n", name); @@ -3150,7 +3168,7 @@ int event_trace_del_tracer(struct trace_array *tr) down_write(&trace_event_sem); __trace_remove_event_dirs(tr); - tracefs_remove_recursive(tr->event_dir); + tracefs_remove(tr->event_dir); up_write(&trace_event_sem); tr->event_dir = NULL; |