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e0b2fd0efb
The simpletrace SystemTap tapset outputs simpletrace binary traces for
SystemTap probes. This is useful because SystemTap has no default way
to format or store traces. The simpletrace SystemTap tapset provides an
easy way to store traces.
The simpletrace.py tool or custom Python scripts using the
simpletrace.py API can analyze SystemTap these traces:
$ ./configure --enable-trace-backends=dtrace ...
$ make && make install
$ stap -e 'probe qemu.system.x86_64.simpletrace.* {}' \
-c qemu-system-x86_64 >/tmp/trace.out
$ scripts/simpletrace.py --no-header trace-events /tmp/trace.out
g_malloc 4.531 pid=15519 size=0xb ptr=0x7f8639c10470
g_malloc 3.264 pid=15519 size=0x300 ptr=0x7f8639c10490
g_free 5.155 pid=15519 ptr=0x7f8639c0f7b0
Note that, unlike qemu-system-x86_64.stp and
qemu-system-x86_64.stp-installed, only one file is needed since the
simpletrace SystemTap tapset does not reference the QEMU binary by path.
Therefore it doesn't matter whether the QEMU binary is installed or not.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
206 lines
5.9 KiB
Makefile
206 lines
5.9 KiB
Makefile
# -*- Mode: makefile -*-
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include ../config-host.mak
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include config-target.mak
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include config-devices.mak
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include $(SRC_PATH)/rules.mak
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$(call set-vpath, $(SRC_PATH))
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ifdef CONFIG_LINUX
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QEMU_CFLAGS += -I../linux-headers
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endif
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QEMU_CFLAGS += -I.. -I$(SRC_PATH)/target-$(TARGET_BASE_ARCH) -DNEED_CPU_H
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QEMU_CFLAGS+=-I$(SRC_PATH)/include
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ifdef CONFIG_USER_ONLY
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# user emulator name
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QEMU_PROG=qemu-$(TARGET_NAME)
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QEMU_PROG_BUILD = $(QEMU_PROG)
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else
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# system emulator name
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QEMU_PROG=qemu-system-$(TARGET_NAME)$(EXESUF)
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ifneq (,$(findstring -mwindows,$(libs_softmmu)))
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# Terminate program name with a 'w' because the linker builds a windows executable.
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QEMU_PROGW=qemu-system-$(TARGET_NAME)w$(EXESUF)
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$(QEMU_PROG): $(QEMU_PROGW)
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$(call quiet-command,$(OBJCOPY) --subsystem console $(QEMU_PROGW) $(QEMU_PROG)," GEN $(TARGET_DIR)$(QEMU_PROG)")
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QEMU_PROG_BUILD = $(QEMU_PROGW)
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else
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QEMU_PROG_BUILD = $(QEMU_PROG)
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endif
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endif
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PROGS=$(QEMU_PROG) $(QEMU_PROGW)
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STPFILES=
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config-target.h: config-target.h-timestamp
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config-target.h-timestamp: config-target.mak
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ifdef CONFIG_TRACE_SYSTEMTAP
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stap: $(QEMU_PROG).stp-installed $(QEMU_PROG).stp $(QEMU_PROG)-simpletrace.stp
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ifdef CONFIG_USER_ONLY
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TARGET_TYPE=user
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else
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TARGET_TYPE=system
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endif
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$(QEMU_PROG).stp-installed: $(SRC_PATH)/trace-events
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$(call quiet-command,$(TRACETOOL) \
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--format=stap \
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--backends=$(TRACE_BACKENDS) \
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--binary=$(bindir)/$(QEMU_PROG) \
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--target-name=$(TARGET_NAME) \
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--target-type=$(TARGET_TYPE) \
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< $< > $@," GEN $(TARGET_DIR)$(QEMU_PROG).stp-installed")
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$(QEMU_PROG).stp: $(SRC_PATH)/trace-events
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$(call quiet-command,$(TRACETOOL) \
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--format=stap \
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--backends=$(TRACE_BACKENDS) \
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--binary=$(realpath .)/$(QEMU_PROG) \
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--target-name=$(TARGET_NAME) \
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--target-type=$(TARGET_TYPE) \
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< $< > $@," GEN $(TARGET_DIR)$(QEMU_PROG).stp")
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$(QEMU_PROG)-simpletrace.stp: $(SRC_PATH)/trace-events
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$(call quiet-command,$(TRACETOOL) \
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--format=simpletrace-stap \
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--backends=$(TRACE_BACKENDS) \
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--probe-prefix=qemu.$(TARGET_TYPE).$(TARGET_NAME) \
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< $< > $@," GEN $(TARGET_DIR)$(QEMU_PROG)-simpletrace.stp")
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else
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stap:
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endif
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all: $(PROGS) stap
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# Dummy command so that make thinks it has done something
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@true
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#########################################################
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# cpu emulator library
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obj-y = exec.o translate-all.o cpu-exec.o
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obj-y += tcg/tcg.o tcg/optimize.o
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obj-$(CONFIG_TCG_INTERPRETER) += tci.o
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obj-$(CONFIG_TCG_INTERPRETER) += disas/tci.o
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obj-y += fpu/softfloat.o
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obj-y += target-$(TARGET_BASE_ARCH)/
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obj-y += disas.o
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obj-$(call notempty,$(TARGET_XML_FILES)) += gdbstub-xml.o
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obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o
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obj-$(CONFIG_LIBDECNUMBER) += libdecnumber/decContext.o
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obj-$(CONFIG_LIBDECNUMBER) += libdecnumber/decNumber.o
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obj-$(CONFIG_LIBDECNUMBER) += libdecnumber/dpd/decimal32.o
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obj-$(CONFIG_LIBDECNUMBER) += libdecnumber/dpd/decimal64.o
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obj-$(CONFIG_LIBDECNUMBER) += libdecnumber/dpd/decimal128.o
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#########################################################
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# Linux user emulator target
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ifdef CONFIG_LINUX_USER
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QEMU_CFLAGS+=-I$(SRC_PATH)/linux-user/$(TARGET_ABI_DIR) -I$(SRC_PATH)/linux-user
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obj-y += linux-user/
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obj-y += gdbstub.o thunk.o user-exec.o
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endif #CONFIG_LINUX_USER
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#########################################################
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# BSD user emulator target
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ifdef CONFIG_BSD_USER
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QEMU_CFLAGS+=-I$(SRC_PATH)/bsd-user -I$(SRC_PATH)/bsd-user/$(TARGET_ABI_DIR) \
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-I$(SRC_PATH)/bsd-user/$(HOST_VARIANT_DIR)
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obj-y += bsd-user/
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obj-y += gdbstub.o user-exec.o
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endif #CONFIG_BSD_USER
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#########################################################
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# System emulator target
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ifdef CONFIG_SOFTMMU
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obj-y += arch_init.o cpus.o monitor.o gdbstub.o balloon.o ioport.o numa.o
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obj-y += qtest.o
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obj-y += hw/
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obj-$(CONFIG_FDT) += device_tree.o
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obj-$(CONFIG_KVM) += kvm-all.o
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obj-y += memory.o savevm.o cputlb.o
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obj-y += memory_mapping.o
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obj-y += dump.o
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LIBS+=$(libs_softmmu)
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# xen support
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obj-$(CONFIG_XEN) += xen-common.o
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obj-$(CONFIG_XEN_I386) += xen-hvm.o xen-mapcache.o
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obj-$(call lnot,$(CONFIG_XEN)) += xen-common-stub.o
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obj-$(call lnot,$(CONFIG_XEN_I386)) += xen-hvm-stub.o
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# Hardware support
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ifeq ($(TARGET_NAME), sparc64)
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obj-y += hw/sparc64/
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else
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obj-y += hw/$(TARGET_BASE_ARCH)/
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endif
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GENERATED_HEADERS += hmp-commands.h qmp-commands-old.h
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endif # CONFIG_SOFTMMU
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# Workaround for http://gcc.gnu.org/PR55489, see configure.
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%/translate.o: QEMU_CFLAGS += $(TRANSLATE_OPT_CFLAGS)
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dummy := $(call unnest-vars,,obj-y)
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all-obj-y := $(obj-y)
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block-obj-y :=
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common-obj-y :=
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include $(SRC_PATH)/Makefile.objs
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dummy := $(call unnest-vars,.., \
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block-obj-y \
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block-obj-m \
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common-obj-y \
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common-obj-m)
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all-obj-y += $(common-obj-y)
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all-obj-$(CONFIG_SOFTMMU) += $(block-obj-y)
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# build either PROG or PROGW
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$(QEMU_PROG_BUILD): $(all-obj-y) ../libqemuutil.a ../libqemustub.a
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$(call LINK,$^)
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gdbstub-xml.c: $(TARGET_XML_FILES) $(SRC_PATH)/scripts/feature_to_c.sh
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$(call quiet-command,rm -f $@ && $(SHELL) $(SRC_PATH)/scripts/feature_to_c.sh $@ $(TARGET_XML_FILES)," GEN $(TARGET_DIR)$@")
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hmp-commands.h: $(SRC_PATH)/hmp-commands.hx
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$(call quiet-command,sh $(SRC_PATH)/scripts/hxtool -h < $< > $@," GEN $(TARGET_DIR)$@")
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qmp-commands-old.h: $(SRC_PATH)/qmp-commands.hx
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$(call quiet-command,sh $(SRC_PATH)/scripts/hxtool -h < $< > $@," GEN $(TARGET_DIR)$@")
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clean:
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rm -f *.a *~ $(PROGS)
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rm -f $(shell find . -name '*.[od]')
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rm -f hmp-commands.h qmp-commands-old.h gdbstub-xml.c
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ifdef CONFIG_TRACE_SYSTEMTAP
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rm -f *.stp
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endif
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install: all
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ifneq ($(PROGS),)
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$(call install-prog,$(PROGS),$(DESTDIR)$(bindir))
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endif
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ifdef CONFIG_TRACE_SYSTEMTAP
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$(INSTALL_DIR) "$(DESTDIR)$(qemu_datadir)/../systemtap/tapset"
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$(INSTALL_DATA) $(QEMU_PROG).stp-installed "$(DESTDIR)$(qemu_datadir)/../systemtap/tapset/$(QEMU_PROG).stp"
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$(INSTALL_DATA) $(QEMU_PROG)-simpletrace.stp "$(DESTDIR)$(qemu_datadir)/../systemtap/tapset/$(QEMU_PROG)-simpletrace.stp"
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endif
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GENERATED_HEADERS += config-target.h
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Makefile: $(GENERATED_HEADERS)
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