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

# gpg: Signature made Mon 17 Jul 2017 13:11:17 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: update old trace events in docs
  trace: [trivial] Statically enable all guest events
  trace: [tcg, trivial] Re-align generated code
  trace: [tcg] Do not generate TCG code to trace dynamically-disabled events
  exec: [tcg] Use different TBs according to the vCPU's dynamic tracing state
  trace: [tcg] Delay changes to dynamic state when translating
  trace: Allocate cpu->trace_dstate in place

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

1 files changed, 19 insertions, 7 deletions

diff --git a/scripts/tracetool/format/h.py b/scripts/tracetool/format/h.py
index 3682f4e6a8..aecf249d66 100644
--- a/scripts/tracetool/format/h.py
+++ b/scripts/tracetool/format/h.py
@@ -6,7 +6,7 @@ trace/generated-tracers.h
 """
 
 __author__     = "Lluís Vilanova <vilanova@ac.upc.edu>"
-__copyright__  = "Copyright 2012-2016, Lluís Vilanova <vilanova@ac.upc.edu>"
+__copyright__  = "Copyright 2012-2017, Lluís Vilanova <vilanova@ac.upc.edu>"
 __license__    = "GPL version 2 or (at your option) any later version"
 
 __maintainer__ = "Stefan Hajnoczi"
@@ -49,6 +49,19 @@ def generate(events, backend, group):
     backend.generate_begin(events, group)
 
     for e in events:
+        # tracer without checks
+        out('',
+            'static inline void %(api)s(%(args)s)',
+            '{',
+            api=e.api(e.QEMU_TRACE_NOCHECK),
+            args=e.args)
+
+        if "disable" not in e.properties:
+            backend.generate(e, group)
+
+        out('}')
+
+        # tracer wrapper with checks (per-vCPU tracing)
         if "vcpu" in e.properties:
             trace_cpu = next(iter(e.args))[1]
             cond = "trace_event_get_vcpu_state(%(cpu)s,"\
@@ -63,16 +76,15 @@ def generate(events, backend, group):
             'static inline void %(api)s(%(args)s)',
             '{',
             '    if (%(cond)s) {',
+            '        %(api_nocheck)s(%(names)s);',
+            '    }',
+            '}',
             api=e.api(),
+            api_nocheck=e.api(e.QEMU_TRACE_NOCHECK),
             args=e.args,
+            names=", ".join(e.args.names()),
             cond=cond)
 
-        if "disable" not in e.properties:
-            backend.generate(e, group)
-
-        out('    }',
-            '}')
-
     backend.generate_end(events, group)
 
     out('#endif /* TRACE_%s_GENERATED_TRACERS_H */' % group.upper())