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tracing: add filter event logic to special, mmiotrace and boot tracers

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Now that the pluging tracers use macros to create the structures and
automate the exporting of their formats to the format files, they also
automatically get a filter file.

This patch adds the code to implement the filter logic in the trace
recordings.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt
2009-09-12 23:34:04 -04:00
committed by Steven Rostedt
parent 51df5fcbc1
commit 60ba770227
3 changed files with 18 additions and 5 deletions
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5
kernel/trace/trace.c
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@@ -1206,6 +1206,7 @@ ftrace_trace_special(void *__tr,
unsigned long arg1, unsigned long arg2, unsigned long arg3,
int pc)
{
struct ftrace_event_call *call = &event_special;
struct ring_buffer_event *event;
struct trace_array *tr = __tr;
struct ring_buffer *buffer = tr->buffer;
@@ -1219,7 +1220,9 @@ ftrace_trace_special(void *__tr,
entry->arg1 = arg1;
entry->arg2 = arg2;
entry->arg3 = arg3;
trace_buffer_unlock_commit(buffer, event, 0, pc);
if (!filter_check_discard(call, entry, buffer, event))
trace_buffer_unlock_commit(buffer, event, 0, pc);
}
void