{
struct trace_array *tr = filp->private_data;
struct ring_buffer_event *event;
+ enum event_trigger_type tt = ETT_NONE;
struct ring_buffer *buffer;
struct print_entry *entry;
unsigned long irq_flags;
written = cnt;
len = cnt;
+ if (tr->trace_marker_file && !list_empty(&tr->trace_marker_file->triggers)) {
+ /* do not add \n before testing triggers, but add \0 */
+ entry->buf[cnt] = '\0';
+ tt = event_triggers_call(tr->trace_marker_file, entry, event);
+ }
+
if (entry->buf[cnt - 1] != '\n') {
entry->buf[cnt] = '\n';
entry->buf[cnt + 1] = '\0';
__buffer_unlock_commit(buffer, event);
+ if (tt)
+ event_triggers_post_call(tr->trace_marker_file, tt);
+
if (written > 0)
*fpos += written;
static void
init_tracer_tracefs(struct trace_array *tr, struct dentry *d_tracer)
{
+ struct trace_event_file *file;
int cpu;
trace_create_file("available_tracers", 0444, d_tracer,
trace_create_file("trace_marker", 0220, d_tracer,
tr, &tracing_mark_fops);
+ file = __find_event_file(tr, "ftrace", "print");
+ if (file && file->dir)
+ trace_create_file("trigger", 0644, file->dir, file,
+ &event_trigger_fops);
+ tr->trace_marker_file = file;
+
trace_create_file("trace_marker_raw", 0220, d_tracer,
tr, &tracing_mark_raw_fops);
FILTER_OTHER
);
-FTRACE_ENTRY(print, print_entry,
+FTRACE_ENTRY_REG(print, print_entry,
TRACE_PRINT,
F_printk("%ps: %s",
(void *)__entry->ip, __entry->buf),
- FILTER_OTHER
+ FILTER_OTHER,
+
+ ftrace_event_register
);
FTRACE_ENTRY(raw_data, raw_data_entry,