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authorDaniel P. Berrange2016-10-04 15:35:54 +0200
committerStefan Hajnoczi2016-10-12 09:54:52 +0200
commitca3fa0e88f3a8e22f774751bcb10cc205772c2fc (patch)
tree91502ce0e6592ba52fe07fa9ec78fb79a7b613b1 /scripts/tracetool/format
parenttrace: dynamically allocate trace_dstate in CPUState (diff)
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trace: dynamically allocate event IDs at runtime
Instead of having the code generator assign event IDs and event VCPU IDs, assign them when the events are registered at runtime. This will allow code to be generated from individual trace-events without having to figure out globally unique numbering at build time. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: LluĂ­s Vilanova <vilanova@ac.upc.edu> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475588159-30598-16-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'scripts/tracetool/format')
-rw-r--r--scripts/tracetool/format/events_c.py10
-rw-r--r--scripts/tracetool/format/events_h.py4
2 files changed, 2 insertions, 12 deletions
diff --git a/scripts/tracetool/format/events_c.py b/scripts/tracetool/format/events_c.py
index 88175559de..a976c22c8b 100644
--- a/scripts/tracetool/format/events_c.py
+++ b/scripts/tracetool/format/events_c.py
@@ -28,25 +28,19 @@ def generate(events, backend):
for e in events:
out('uint16_t %s;' % e.api(e.QEMU_DSTATE))
- next_id = 0
- next_vcpu_id = 0
for e in events:
- id = next_id
- next_id += 1
if "vcpu" in e.properties:
- vcpu_id = next_vcpu_id
- next_vcpu_id += 1
+ vcpu_id = 0
else:
vcpu_id = "TRACE_VCPU_EVENT_NONE"
out('TraceEvent %(event)s = {',
- ' .id = %(id)s,',
+ ' .id = 0,',
' .vcpu_id = %(vcpu_id)s,',
' .name = \"%(name)s\",',
' .sstate = %(sstate)s,',
' .dstate = &%(dstate)s ',
'};',
event = e.api(e.QEMU_EVENT),
- id = id,
vcpu_id = vcpu_id,
name = e.name,
sstate = "TRACE_%s_ENABLED" % e.name.upper(),
diff --git a/scripts/tracetool/format/events_h.py b/scripts/tracetool/format/events_h.py
index ca6d730519..1cb332befc 100644
--- a/scripts/tracetool/format/events_h.py
+++ b/scripts/tracetool/format/events_h.py
@@ -32,10 +32,6 @@ def generate(events, backend):
for e in events:
out('extern uint16_t %s;' % e.api(e.QEMU_DSTATE))
- numvcpu = len([e for e in events if "vcpu" in e.properties])
-
- out("#define TRACE_VCPU_EVENT_COUNT %d" % numvcpu)
-
# static state
for e in events:
if 'disable' in e.properties: