add default pgo file

Makefile

@@ -17,6 +17,7 @@ OBJPREFIX := "github.com/milvus-io/milvus/cmd/milvus"
 
 INSTALL_PATH := $(PWD)/bin
 LIBRARY_PATH := $(PWD)/lib
+PGO_PATH := $(PWD)/configs/pgo
 OS := $(shell uname -s)
 mode = Release
 
@@ -72,14 +73,14 @@ milvus: build-cpp print-build-info
 	@echo "Building Milvus ..."
 	@source $(PWD)/scripts/setenv.sh && \
 		mkdir -p $(INSTALL_PATH) && go env -w CGO_ENABLED="1" && \
-		GO111MODULE=on $(GO) build -pgo=auto -ldflags="-r $${RPATH} -X '$(OBJPREFIX).BuildTags=$(BUILD_TAGS)' -X '$(OBJPREFIX).BuildTime=$(BUILD_TIME)' -X '$(OBJPREFIX).GitCommit=$(GIT_COMMIT)' -X '$(OBJPREFIX).GoVersion=$(GO_VERSION)'" \
+		GO111MODULE=on $(GO) build -pgo=$(PGO_PATH)/default.pgo -ldflags="-r $${RPATH} -X '$(OBJPREFIX).BuildTags=$(BUILD_TAGS)' -X '$(OBJPREFIX).BuildTime=$(BUILD_TIME)' -X '$(OBJPREFIX).GitCommit=$(GIT_COMMIT)' -X '$(OBJPREFIX).GoVersion=$(GO_VERSION)'" \
 		-tags dynamic -o $(INSTALL_PATH)/milvus $(PWD)/cmd/main.go 1>/dev/null
 
 milvus-gpu: build-cpp-gpu print-gpu-build-info
 	@echo "Building Milvus-gpu ..."
 	@source $(PWD)/scripts/setenv.sh && \
 		mkdir -p $(INSTALL_PATH) && go env -w CGO_ENABLED="1" && \
-		GO111MODULE=on $(GO) build -pgo=auto -ldflags="-r $${RPATH} -X '$(OBJPREFIX).BuildTags=$(BUILD_TAGS_GPU)' -X '$(OBJPREFIX).BuildTime=$(BUILD_TIME)' -X '$(OBJPREFIX).GitCommit=$(GIT_COMMIT)' -X '$(OBJPREFIX).GoVersion=$(GO_VERSION)'" \
+		GO111MODULE=on $(GO) build -pgo=$(PGO_PATH)/default.pgo -ldflags="-r $${RPATH} -X '$(OBJPREFIX).BuildTags=$(BUILD_TAGS_GPU)' -X '$(OBJPREFIX).BuildTime=$(BUILD_TIME)' -X '$(OBJPREFIX).GitCommit=$(GIT_COMMIT)' -X '$(OBJPREFIX).GoVersion=$(GO_VERSION)'" \
 		-tags dynamic -o $(INSTALL_PATH)/milvus $(PWD)/cmd/main.go 1>/dev/null
 
 get-build-deps:
@@ -106,7 +107,7 @@ getdeps:
 
 tools/bin/revive: tools/check/go.mod
 	cd tools/check; \
-	$(GO) build -pgo=auto -o ../bin/revive github.com/mgechev/revive
+	$(GO) build -pgo=$(PGO_PATH)/default.pgo -o ../bin/revive github.com/mgechev/revive
 
 cppcheck:
 	@#(env bash ${PWD}/scripts/core_build.sh -l)
@@ -164,14 +165,14 @@ binlog:
 	@echo "Building binlog ..."
 	@source $(PWD)/scripts/setenv.sh && \
 		mkdir -p $(INSTALL_PATH) && go env -w CGO_ENABLED="1" && \
-		GO111MODULE=on $(GO) build -pgo=auto -ldflags="-r $${RPATH}" -o $(INSTALL_PATH)/binlog $(PWD)/cmd/tools/binlog/main.go 1>/dev/null
+        GO111MODULE=on $(GO) build -pgo=$(PGO_PATH)/default.pgo -ldflags="-r $${RPATH}" -o $(INSTALL_PATH)/binlog $(PWD)/cmd/tools/binlog/main.go 1>/dev/null
 
 MIGRATION_PATH = $(PWD)/cmd/tools/migration
 meta-migration:
 	@echo "Building migration tool ..."
 	@source $(PWD)/scripts/setenv.sh && \
     		mkdir -p $(INSTALL_PATH) && go env -w CGO_ENABLED="1" && \
-    		GO111MODULE=on $(GO) build -pgo=auto -ldflags="-r $${RPATH} -X '$(OBJPREFIX).BuildTags=$(BUILD_TAGS)' -X '$(OBJPREFIX).BuildTime=$(BUILD_TIME)' -X '$(OBJPREFIX).GitCommit=$(GIT_COMMIT)' -X '$(OBJPREFIX).GoVersion=$(GO_VERSION)'" \
+			GO111MODULE=on $(GO) build -pgo=$(PGO_PATH)/default.pgo -ldflags="-r $${RPATH} -X '$(OBJPREFIX).BuildTags=$(BUILD_TAGS)' -X '$(OBJPREFIX).BuildTime=$(BUILD_TIME)' -X '$(OBJPREFIX).GitCommit=$(GIT_COMMIT)' -X '$(OBJPREFIX).GoVersion=$(GO_VERSION)'" \
     		-tags dynamic -o $(INSTALL_PATH)/meta-migration $(MIGRATION_PATH)/main.go 1>/dev/null
 
 INTERATION_PATH = $(PWD)/tests/integration
@@ -366,7 +367,7 @@ clean:
 milvus-tools: print-build-info
 	@echo "Building tools ..."
 	@mkdir -p $(INSTALL_PATH)/tools && go env -w CGO_ENABLED="1" && GO111MODULE=on $(GO) build \
-		-pgo=auto -ldflags="-X 'main.BuildTags=$(BUILD_TAGS)' -X 'main.BuildTime=$(BUILD_TIME)' -X 'main.GitCommit=$(GIT_COMMIT)' -X 'main.GoVersion=$(GO_VERSION)'" \
+		-pgo=$(PGO_PATH)/default.pgo -ldflags="-X 'main.BuildTags=$(BUILD_TAGS)' -X 'main.BuildTime=$(BUILD_TIME)' -X 'main.GitCommit=$(GIT_COMMIT)' -X 'main.GoVersion=$(GO_VERSION)'" \
 		-o $(INSTALL_PATH)/tools $(PWD)/cmd/tools/* 1>/dev/null
 
 rpm-setup:
@@ -514,5 +515,5 @@ mmap-migration:
 	@echo "Building migration tool ..."
 	@source $(PWD)/scripts/setenv.sh && \
     		mkdir -p $(INSTALL_PATH) && go env -w CGO_ENABLED="1" && \
-    		GO111MODULE=on $(GO) build -pgo=auto -ldflags="-r $${RPATH} -X '$(OBJPREFIX).BuildTags=$(BUILD_TAGS)' -X '$(OBJPREFIX).BuildTime=$(BUILD_TIME)' -X '$(OBJPREFIX).GitCommit=$(GIT_COMMIT)' -X '$(OBJPREFIX).GoVersion=$(GO_VERSION)'" \
+			GO111MODULE=on $(GO) build -pgo=$(PGO_PATH)/default.pgo -ldflags="-r $${RPATH} -X '$(OBJPREFIX).BuildTags=$(BUILD_TAGS)' -X '$(OBJPREFIX).BuildTime=$(BUILD_TIME)' -X '$(OBJPREFIX).GitCommit=$(GIT_COMMIT)' -X '$(OBJPREFIX).GoVersion=$(GO_VERSION)'" \
     		-tags dynamic -o $(INSTALL_PATH)/mmap-migration $(MMAP_MIGRATION_PATH)/main.go 1>/dev/null