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[PULL,v2,3/8] scripts/tracetool: Use void pointer for vcpu

Message ID 20200910081049.38393-4-stefanha@redhat.com
State Superseded
Headers show
Series Tracing patches | expand

Commit Message

Stefan Hajnoczi Sept. 10, 2020, 8:10 a.m. UTC 
From: Roman Bolshakov <r.bolshakov@yadro.com>

dtrace on macOS complains that CPUState * is used for a few probes:

  dtrace: failed to compile script trace-dtrace-root.dtrace: line 130: syntax error near "CPUState"

A comment in scripts/tracetool/__init__.py mentions that:

  We only want to allow standard C types or fixed sized
  integer types. We don't want QEMU specific types
  as we can't assume trace backends can resolve all the
  typedefs

Fixes: 3d211d9f4dbee ("trace: Add 'vcpu' event property to trace guest vCPU")
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Message-id: 20200717093517.73397-3-r.bolshakov@yadro.com
Cc: Cameron Esfahani <dirty@apple.com>
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 scripts/tracetool/vcpu.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/scripts/tracetool/vcpu.py b/scripts/tracetool/vcpu.py
index b54e4f4e7a..868b4cb04c 100644
--- a/scripts/tracetool/vcpu.py
+++ b/scripts/tracetool/vcpu.py
@@ -24,7 +24,7 @@  def transform_event(event):
         assert "tcg-trans" not in event.properties
         assert "tcg-exec" not in event.properties
 
-        event.args = Arguments([("CPUState *", "__cpu"), event.args])
+        event.args = Arguments([("void *", "__cpu"), event.args])
         if "tcg" in event.properties:
             fmt = "\"cpu=%p \""
             event.fmt = [fmt + event.fmt[0],