tracing: Add kprobe-based event tracer

[pandora-kernel.git] / kernel / trace / trace_event_types.h

diff --git a/kernel/trace/trace_event_types.h b/kernel/trace/trace_event_types.h
index e74f090..186b598 100644 (file)
--- a/kernel/trace/trace_event_types.h
+++ b/kernel/trace/trace_event_types.h
@@ -175,4 +175,22 @@ TRACE_EVENT_FORMAT(kmem_free, TRACE_KMEM_FREE, kmemtrace_free_entry, ignore,
        TP_RAW_FMT("type:%u call_site:%lx ptr:%p")
 );
 
+TRACE_EVENT_FORMAT(kprobe, TRACE_KPROBE, kprobe_trace_entry, ignore,
+       TRACE_STRUCT(
+               TRACE_FIELD(unsigned long, ip, ip)
+               TRACE_FIELD(int, nargs, nargs)
+               TRACE_FIELD_ZERO(unsigned long, args)
+       ),
+       TP_RAW_FMT("%08lx: args:0x%lx ...")
+);
+
+TRACE_EVENT_FORMAT(kretprobe, TRACE_KRETPROBE, kretprobe_trace_entry, ignore,
+       TRACE_STRUCT(
+               TRACE_FIELD(unsigned long, func, func)
+               TRACE_FIELD(unsigned long, ret_ip, ret_ip)
+               TRACE_FIELD(int, nargs, nargs)
+               TRACE_FIELD_ZERO(unsigned long, args)
+       ),
+       TP_RAW_FMT("%08lx <- %08lx: args:0x%lx ...")
+);
 #undef TRACE_SYSTEM