diff --git a/core/soong_config.mk b/core/soong_config.mk
index 631846a..c91639c 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -117,6 +117,8 @@
 $(call add_json_list, CoveragePaths,                     $(COVERAGE_PATHS))
 $(call add_json_list, CoverageExcludePaths,              $(COVERAGE_EXCLUDE_PATHS))
 
+$(call add_json_bool, SamplingPGO,                       $(filter true,$(SAMPLING_PGO)))
+
 $(call add_json_bool, ArtUseReadBarrier,                 $(call invert_bool,$(filter false,$(PRODUCT_ART_USE_READ_BARRIER))))
 $(call add_json_bool, Binder32bit,                       $(BINDER32BIT))
 $(call add_json_str,  BtConfigIncludeDir,                $(BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR))