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2016-09-05trace: Avoid implicit bool->integer conversionsLluís Vilanova1-2/+15
An explicit if/else is clearer than arithmetic assuming #true is 1, while the compiler should be able to generate just as optimal code. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Message-id: 147194273830.26836.5875729707953474838.stgit@fimbulvetr.bsc.es Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-09-05trace: Remove 'trace_events_dstate_init'Lluís Vilanova1-0/+5
Removes the event state array used for early initialization. Since only events with the "vcpu" property need a late initialization fixup, threats their initialization specially. Assumes that the user won't touch the state of "vcpu" events between early and late initialization (e.g., through QMP). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Message-id: 147194273191.26836.14423079546263831356.stgit@fimbulvetr.bsc.es Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-07-18trace: Add per-vCPU tracing states for events with the 'vcpu' propertyLluís Vilanova1-0/+28
Each vCPU gets a 'trace_dstate' bitmap to control the per-vCPU dynamic tracing state of events with the 'vcpu' property. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>