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trace: Identify events with the 'vcpu' property

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A new event attribute 'cpu_id' is added to have a separate ID
space ('TRACE_VCPU_*') for all events with the 'vcpu' property.

These are later used to identify which events are enabled on each vCPU.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Lluís Vilanova 2016-07-11 12:53:24 +02:00 • committed by Stefan Hajnoczi
parent 6913e79c36
commit 17f7ac75df
5 changed files with 51 additions and 5 deletions
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11
scripts/tracetool/format/events_c.py
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@ -6,7 +6,7 @@ trace/generated-events.c
"""
__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
__copyright__ = "Copyright 2012-2014, Lluís Vilanova <vilanova@ac.upc.edu>"
__copyright__ = "Copyright 2012-2016, Lluís Vilanova <vilanova@ac.upc.edu>"
__license__ = "GPL version 2 or (at your option) any later version"
__maintainer__ = "Stefan Hajnoczi"
@ -28,8 +28,15 @@ def generate(events, backend):
out('TraceEvent trace_events[TRACE_EVENT_COUNT] = {')
for e in events:
out(' { .id = %(id)s, .name = \"%(name)s\", .sstate = %(sstate)s },',
if "vcpu" in e.properties:
vcpu_id = "TRACE_VCPU_" + e.name.upper()
else:
vcpu_id = "TRACE_VCPU_EVENT_COUNT"
out(' { .id = %(id)s, .vcpu_id = %(vcpu_id)s,'
' .name = \"%(name)s\",'
' .sstate = %(sstate)s },',
id = "TRACE_" + e.name.upper(),
vcpu_id = vcpu_id,
name = e.name,
sstate = "TRACE_%s_ENABLED" % e.name.upper())