diff --git a/Makefile.target b/Makefile.target index 91e6e74399..a5e6410cec 100644 --- a/Makefile.target +++ b/Makefile.target @@ -40,7 +40,20 @@ kvm.o kvm-all.o vhost.o vhost_net.o: QEMU_CFLAGS+=$(KVM_CFLAGS) config-target.h: config-target.h-timestamp config-target.h-timestamp: config-target.mak -all: $(PROGS) +ifdef CONFIG_SYSTEMTAP_TRACE +trace: $(QEMU_PROG).stp + +$(QEMU_PROG).stp: + $(call quiet-command,sh $(SRC_PATH)/tracetool \ + --$(TRACE_BACKEND) \ + --bindir $(bindir) \ + --target $(TARGET_ARCH) \ + -s < $(SRC_PATH)/trace-events > $(QEMU_PROG).stp," GEN $(QEMU_PROG).stp") +else +trace: +endif + +all: $(PROGS) trace # Dummy command so that make thinks it has done something @true @@ -348,6 +361,10 @@ ifneq ($(STRIP),) $(STRIP) $(patsubst %,"$(DESTDIR)$(bindir)/%",$(PROGS)) endif endif +ifdef CONFIG_SYSTEMTAP_TRACE + $(INSTALL_DIR) "$(DESTDIR)$(datadir)/../systemtap/tapset" + $(INSTALL_DATA) $(QEMU_PROG).stp "$(DESTDIR)$(datadir)/../systemtap/tapset" +endif # Include automatically generated dependency files -include $(wildcard *.d */*.d) diff --git a/configure b/configure index f8dad3eb00..e560f878a3 100755 --- a/configure +++ b/configure @@ -2192,6 +2192,10 @@ EOF echo exit 1 fi + trace_backend_stap="no" + if has 'stap' ; then + trace_backend_stap="yes" + fi fi ########################################## @@ -2645,6 +2649,9 @@ fi if test "$trace_backend" = "simple"; then trace_file="\"$trace_file-%u\"" fi +if test "$trace_backend" = "dtrace" -a "$trace_backend_stap" = "yes" ; then + echo "CONFIG_SYSTEMTAP_TRACE=y" >> $config_host_mak +fi echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak echo "TOOLS=$tools" >> $config_host_mak diff --git a/tracetool b/tracetool index 5b6636ac27..d797ab79a3 100755 --- a/tracetool +++ b/tracetool @@ -26,6 +26,12 @@ Output formats: -h Generate .h file -c Generate .c file -d Generate .d file (DTrace only) + -s Generate .stp file (DTrace with SystemTAP only) + +Options: + --bindir [bindir] QEMU binary install location + --target [arch] QEMU target architecture + EOF exit 1 } @@ -390,6 +396,54 @@ linetod_end_dtrace() EOF } +linetos_begin_dtrace() +{ + return +} + +linetos_dtrace() +{ + local name args arglist state + name=$(get_name "$1") + args=$(get_args "$1") + arglist=$(get_argnames "$1", "") + state=$(get_state "$1") + if [ "$state" = "0" ] ; then + name=${name##disable } + fi + + if [ "$target" = "i386" ] + then + binary="qemu" + else + binary="qemu-system-$target" + fi + + # Define prototype for probe arguments + cat <