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authorLluís Vilanova <vilanova@ac.upc.edu>2014-05-27 15:02:14 +0200
committerStefan Hajnoczi <stefanha@redhat.com>2014-06-09 15:43:40 +0200
commit5b808275f3bbe8cc95bb9301f4d5a41331d0e0e6 (patch)
treed5611a010851864336448529088cd94a9afcf83a /Makefile
parent82432638ebeedda8a2e18838b6fbef4b14a94f31 (diff)
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trace: Multi-backend tracing
Adds support to compile QEMU with multiple tracing backends at the same time. For example, you can compile QEMU with: $ ./configure --enable-trace-backends=ftrace,dtrace Where 'ftrace' can be handy for having an in-flight record of events, and 'dtrace' can be later used to extract more information from the system. This patch allows having both available without recompiling QEMU. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile4
1 files changed, 2 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index d830483..3c8f19c 100644
--- a/Makefile
+++ b/Makefile
@@ -52,12 +52,12 @@ GENERATED_HEADERS += trace/generated-events.h
GENERATED_SOURCES += trace/generated-events.c
GENERATED_HEADERS += trace/generated-tracers.h
-ifeq ($(TRACE_BACKEND),dtrace)
+ifeq ($(findstring dtrace,$(TRACE_BACKENDS)),dtrace)
GENERATED_HEADERS += trace/generated-tracers-dtrace.h
endif
GENERATED_SOURCES += trace/generated-tracers.c
-ifeq ($(TRACE_BACKEND),ust)
+ifeq ($(findstring ust,$(TRACE_BACKENDS)),ust)
GENERATED_HEADERS += trace/generated-ust-provider.h
GENERATED_SOURCES += trace/generated-ust.c
endif