add cpuwatcher to MagicEyes

MagicEyes/src/cpu_watcher/Makefile

@@ -0,0 +1,171 @@
+# Copyright 2023 The LMP Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://github.com/linuxkerneltravel/lmp/blob/develop/LICENSE
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# author: [email protected]
+#
+# compile the current folder code
+
+# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+OUTPUT := .output
+CLANG ?= clang
+LIBBPF_SRC := $(abspath ../../libbpf/src)
+BPFTOOL_SRC := $(abspath ../../bpftool/src)
+LIBBPF_OBJ := $(abspath $(OUTPUT)/libbpf.a)
+BPFTOOL_OUTPUT ?= $(abspath $(OUTPUT)/bpftool)
+BPFTOOL ?= $(BPFTOOL_OUTPUT)/bootstrap/bpftool
+LIBBLAZESYM_SRC := $(abspath ../../blazesym/)
+LIBBLAZESYM_INC := $(abspath $(LIBBLAZESYM_SRC)/include)
+LIBBLAZESYM_OBJ := $(abspath $(OUTPUT)/libblazesym.a)
+ARCH ?= $(shell uname -m | sed 's/x86_64/x86/' \
+			 | sed 's/arm.*/arm/' \
+			 | sed 's/aarch64/arm64/' \
+			 | sed 's/ppc64le/powerpc/' \
+			 | sed 's/mips.*/mips/' \
+			 | sed 's/riscv64/riscv/' \
+			 | sed 's/loongarch64/loongarch/')
+VMLINUX := ../vmlinux/$(ARCH)/vmlinux.h
+# Use our own libbpf API headers and Linux UAPI headers distributed with
+# libbpf to avoid dependency on system-wide headers, which could be missing or
+# outdated
+INCLUDES := -I$(OUTPUT) -I../../../../libbpf/include/uapi -I$(dir $(VMLINUX)) -I$(LIBBLAZESYM_INC) -I./include
+CFLAGS := -g -Wall
+ALL_LDFLAGS := $(LDFLAGS) $(EXTRA_LDFLAGS)
+
+APPS =cs_delay sar sc_delay preempt schedule_delay mq_delay mutrace
+TARGETS=cpu_watcher
+CONTROLLER := controller
+
+SRC_DIR = ./include
+
+
+# Get Clang's default includes on this system. We'll explicitly add these dirs
+# to the includes list when compiling with `-target bpf` because otherwise some
+# architecture-specific dirs will be "missing" on some architectures/distros -
+# headers such as asm/types.h, asm/byteorder.h, asm/socket.h, asm/sockios.h,
+# sys/cdefs.h etc. might be missing.
+#
+# Use '-idirafter': Don't interfere with include mechanics except where the
+# build would have failed anyways.
+CLANG_BPF_SYS_INCLUDES ?= $(shell $(CLANG) -v -E - </dev/null 2>&1 \
+	| sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }')
+
+ifeq ($(V),1)
+	Q =
+	msg =
+else
+	Q = @
+	msg = @printf '  %-8s %s%s\n'					\
+		      "$(1)"						\
+		      "$(patsubst $(abspath $(OUTPUT))/%,%,$(2))"	\
+		      "$(if $(3), $(3))";
+	MAKEFLAGS += --no-print-directory
+endif
+
+define allow-override
+  $(if $(or $(findstring environment,$(origin $(1))),\
+            $(findstring command line,$(origin $(1)))),,\
+    $(eval $(1) = $(2)))
+endef
+
+$(call allow-override,CC,$(CROSS_COMPILE)cc)
+$(call allow-override,LD,$(CROSS_COMPILE)ld)
+
+.PHONY: all
+all: $(CONTROLLER) $(TARGETS)
+
+.PHONY: clean
+clean:
+	$(call msg,CLEAN)
+	$(Q)rm -rf $(OUTPUT) $(TARGETS) $(CONTROLLER)
+
+$(OUTPUT) $(OUTPUT)/libbpf $(BPFTOOL_OUTPUT):
+	$(call msg,MKDIR,$@)
+	$(Q)mkdir -p $@
+
+# Build libbpf
+$(LIBBPF_OBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(OUTPUT)/libbpf
+	$(call msg,LIB,$@)
+	$(Q)$(MAKE) -C $(LIBBPF_SRC) BUILD_STATIC_ONLY=1		      \
+		    OBJDIR=$(dir $@)/libbpf DESTDIR=$(dir $@)		      \
+		    INCLUDEDIR= LIBDIR= UAPIDIR=			      \
+		    install
+
+# Build bpftool
+$(BPFTOOL): | $(BPFTOOL_OUTPUT)
+	$(call msg,BPFTOOL,$@)
+	$(Q)$(MAKE) ARCH= CROSS_COMPILE= OUTPUT=$(BPFTOOL_OUTPUT)/ -C $(BPFTOOL_SRC) bootstrap
+
+
+$(LIBBLAZESYM_SRC)/target/release/libblazesym.a::
+	$(Q)cd $(LIBBLAZESYM_SRC) && $(CARGO) build --release
+
+$(LIBBLAZESYM_OBJ): $(LIBBLAZESYM_SRC)/target/release/libblazesym.a | $(OUTPUT)
+	$(call msg,LIB, $@)
+	$(Q)cp $(LIBBLAZESYM_SRC)/target/release/libblazesym.a $@
+
+# Build BPF code
+$(OUTPUT)/%.bpf.o: bpf/%.bpf.c $(LIBBPF_OBJ) $(wildcard %.h) $(VMLINUX) | $(OUTPUT) $(BPFTOOL)
+	$(call msg,BPF,$@)
+	$(Q)$(CLANG) -g -O2 -target bpf -D__TARGET_ARCH_$(ARCH)		      \
+		     $(INCLUDES) $(CLANG_BPF_SYS_INCLUDES)		      \
+		     -c $(filter %.c,$^) -o $(patsubst %.bpf.o,%.tmp.bpf.o,$@)
+	$(Q)$(BPFTOOL) gen object $@ $(patsubst %.bpf.o,%.tmp.bpf.o,$@)
+
+# Generate BPF skeletons
+.PHONY: $(APPS)
+$(APPS): %: $(OUTPUT)/%.bpf.o | $(OUTPUT) $(BPFTOOL)
+	$(call msg,GEN-SKEL,$@)
+	$(Q)$(BPFTOOL) gen skeleton $< > $(OUTPUT)/$@.skel.h
+
+# Build user-space code
+$(OUTPUT)/%.o: $(SRC_DIR)/%.c | $(OUTPUT)
+	$(call msg,CC,$@)
+	$(Q)$(CC) $(CFLAGS) $(INCLUDES) -c $< -o $@
+
+$(OUTPUT)/%.o: $(CONTROLLER).c | $(OUTPUT)
+	$(call msg,CC,$@)
+	$(Q)$(CC) $(CFLAGS) $(INCLUDES) -c $< -o $@
+
+$(OUTPUT)/$(TARGETS).o: $(TARGETS).c $(APPS) | $(OUTPUT)
+	$(call msg,CC,$@)
+	$(Q)$(CC) $(CFLAGS) $(INCLUDES) -c $(filter %.c,$^) -o $@
+
+# Build application binary
+$(CONTROLLER): %: $(OUTPUT)/%.o $(COMMON_OBJ) $(LIBBPF_OBJ) | $(OUTPUT)
+	$(call msg,BINARY,$@)
+	$(Q)$(CC) $^ $(ALL_LDFLAGS) -lstdc++ -lelf -lz -o $@
+
+$(TARGETS): %: $(OUTPUT)/%.o $(COMMON_OBJ) $(LIBBPF_OBJ) | $(OUTPUT)
+	$(call msg,BINARY,$@)
+	$(Q)$(CC) $(CFLAGS) $^ $(ALL_LDFLAGS) -lstdc++ -lelf -lz -o $@
+
+SUCCESS_MESSAGE:
+	@echo "\e[38;2;255;0;0m                                      __       __             \e[0m"
+	@echo "\e[38;2;255;128;0m  _________  __  __   _      ______ _/ /______/ /_  ___  _____\e[0m"
+	@echo "\e[38;2;255;255;0m / ___/ __ \/ / / /  | | /| / / __  / __/ ___/ __ \/ _ \/ ___/\e[0m"
+	@echo "\e[38;2;128;255;0m/ /__/ /_/ / /_/ /   | |/ |/ / /_/ / /_/ /__/ / / /  __/ /    \e[0m"
+	@echo "\e[38;2;0;255;0m\___/ .___/\__,_/    |__/|__/\__,_/\__/\___/_/ /_/\___/_/     \e[0m"
+	@echo "\e[38;2;0;255;128m   /_/                                                       \e[0m"
+	@echo "\e[38;2;0;255;255mSuccessful to compile cpu_watcher tools:                      \e[0m"
+	@echo "\e[38;2;0;255;255mPlease start your use ~                                      \e[0m"
+
+
+all: $(TARGETS) SUCCESS_MESSAGE
+
+
+# delete failed targets
+.DELETE_ON_ERROR:
+
+# keep intermediate (.skel.h, .bpf.o, etc) targets
+.SECONDARY: