8224741: Optimize the scan area during the Scan Heap Roots phase
Summary: When scanning card blocks, remember the last address already scanned. Continue scanning from this address.
Reviewed-by: kbarrett, lkorinth
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include $(SPEC)
include MakeBase.gmk
################################################################################
JCOV_INPUT_IMAGE_DIR :=
ifneq ($(JCOV_INPUT_JDK), )
JCOV_INPUT_IMAGE_DIR := $(JCOV_INPUT_JDK)
else
JCOV_INPUT_IMAGE_DIR := $(JDK_IMAGE_DIR)
endif
#moving instrumented jdk image in and out of jcov_temp because of CODETOOLS-7902299
JCOV_TEMP := $(SUPPORT_OUTPUTDIR)/jcov_temp
$(JCOV_IMAGE_DIR)/release: $(JCOV_INPUT_IMAGE_DIR)/release
$(call LogWarn, Creating instrumented jdk image with JCov)
$(call MakeDir, $(JCOV_TEMP) $(IMAGES_OUTPUTDIR))
$(RM) -r $(JCOV_IMAGE_DIR) $(JCOV_TEMP)/*
$(CP) -r $(JCOV_INPUT_IMAGE_DIR) $(JCOV_TEMP)/$(JCOV_IMAGE_SUBDIR)
$(JAVA) -Xmx3g -jar $(JCOV_HOME)/lib/jcov.jar JREInstr \
-t $(JCOV_TEMP)/$(JCOV_IMAGE_SUBDIR)/template.xml \
-rt $(JCOV_HOME)/lib/jcov_network_saver.jar \
-exclude 'java.lang.Object' \
-exclude 'jdk.internal.org.objectweb.**' \
-exclude jdk.test.Main -exclude '**\$Proxy*' \
$(JCOV_FILTERS) \
$(JCOV_TEMP)/$(JCOV_IMAGE_SUBDIR)
$(MV) $(JCOV_TEMP)/$(JCOV_IMAGE_SUBDIR) $(JCOV_IMAGE_DIR)
$(RMDIR) $(JCOV_TEMP)
jcov-image: $(JCOV_IMAGE_DIR)/release