Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging

# gpg: Signature made Wed 12 Oct 2016 09:43:03 BST
# gpg:                using RSA key 0x9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/tracing-pull-request:
  trace: Add missing execution mode of guest events
  trace: introduce a formal group name for trace events
  trace: pass trace-events to tracetool as a positional param
  trace: push reading of events up a level to tracetool main
  trace: rename _read_events to read_events
  trace: get rid of generated-events.h/generated-events.c
  trace: dynamically allocate event IDs at runtime
  trace: dynamically allocate trace_dstate in CPUState
  trace: provide mechanism for registering trace events
  trace: don't abort qemu if ftrace can't be initialized
  trace: emit name <-> ID mapping in simpletrace header
  trace: remove the TraceEventID and TraceEventVCPUID enums
  trace: give each trace event a named TraceEvent struct
  trace: break circular dependency in event-internal.h
  trace: remove duplicate control.h includes in generated-tracers.h
  trace: remove global 'uint16 dstate[]' array
  trace: remove some now unused functions
  trace: convert code to use event iterators
  trace: add trace event iterator APIs
  trace: move colo trace events to net/ sub-directory

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 4 insertions, 5 deletions

diff --git a/stubs/trace-control.c b/stubs/trace-control.c
index f765a02018..7f856e5c24 100644
--- a/stubs/trace-control.c
+++ b/stubs/trace-control.c
@@ -18,22 +18,21 @@ void trace_event_set_state_dynamic_init(TraceEvent *ev, bool state)
 
 void trace_event_set_state_dynamic(TraceEvent *ev, bool state)
 {
-    TraceEventID id;
     bool state_pre;
     assert(trace_event_get_state_static(ev));
-    id = trace_event_get_id(ev);
+
     /*
      * We ignore the "vcpu" property here, since there's no target code. Then
      * dstate can only be 1 or 0.
      */
-    state_pre = trace_events_dstate[id];
+    state_pre = *(ev->dstate);
     if (state_pre != state) {
         if (state) {
             trace_events_enabled_count++;
-            trace_events_dstate[id] = 1;
+            *(ev->dstate) = 1;
         } else {
             trace_events_enabled_count--;
-            trace_events_dstate[id] = 0;
+            *(ev->dstate) = 0;
         }
     }
 }