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tools/power x86_energy_perf_policy: Add make snapshot target

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$ make snapshot
creates x86_energy_perf_policy-$(DATE).tar.gz

Which can be transported to a target machine
without needing a kernel tree to build on the target.

Useful for creating debug versions.

Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown 2025-09-19 22:30:18 -04:00
parent 2734fdbc9b
commit a648e0892c
1 changed files with 28 additions and 1 deletions
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29
tools/power/x86/x86_energy_perf_policy/Makefile
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@ -1,8 +1,12 @@
# SPDX-License-Identifier: GPL-2.0
CC = $(CROSS_COMPILE)gcc
BUILD_OUTPUT := $(CURDIR)
BUILD_OUTPUT := $(CURDIR)
PREFIX := /usr
DESTDIR :=
DAY := $(shell date +%Y.%m.%d)
SNAPSHOT = x86_energy_perf_policy-$(DAY)
ifeq ("$(origin O)", "command line")
BUILD_OUTPUT := $(O)
@ -27,3 +31,26 @@ install : x86_energy_perf_policy
install -d $(DESTDIR)$(PREFIX)/share/man/man8
install -m 644 x86_energy_perf_policy.8 $(DESTDIR)$(PREFIX)/share/man/man8
snapshot: x86_energy_perf_policy
@rm -rf $(SNAPSHOT)
@mkdir $(SNAPSHOT)
@cp x86_energy_perf_policy Makefile x86_energy_perf_policy.c x86_energy_perf_policy.8 $(SNAPSHOT)
@sed -e 's/^#include <linux\/bits.h>/#include "bits.h"/' -e 's/u64/unsigned long long/' ../../../../arch/x86/include/asm/msr-index.h > $(SNAPSHOT)/msr-index.h
@echo '#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))' >> $(SNAPSHOT)/msr-index.h
@echo "#define BIT(x) (1 << (x))" > $(SNAPSHOT)/bits.h
@echo "#define BIT_ULL(nr) (1ULL << (nr))" >> $(SNAPSHOT)/bits.h
@echo "#define GENMASK(h, l) (((~0UL) << (l)) & (~0UL >> (sizeof(long) * 8 - 1 - (h))))" >> $(SNAPSHOT)/bits.h
@echo "#define GENMASK_ULL(h, l) (((~0ULL) << (l)) & (~0ULL >> (sizeof(long long) * 8 - 1 - (h))))" >> $(SNAPSHOT)/bits.h
@echo '#define BUILD_BUG_ON(cond) do { enum { compile_time_check ## __COUNTER__ = 1/(!(cond)) }; } while (0)' > $(SNAPSHOT)/build_bug.h
@echo '#define __must_be_array(arr) 0' >> $(SNAPSHOT)/build_bug.h
@echo PWD=. > $(SNAPSHOT)/Makefile
@echo "CFLAGS += -DMSRHEADER='\"msr-index.h\"'" >> $(SNAPSHOT)/Makefile
@echo "CFLAGS += -DBUILD_BUG_HEADER='\"build_bug.h\"'" >> $(SNAPSHOT)/Makefile
@sed -e's/.*MSRHEADER.*//' Makefile >> $(SNAPSHOT)/Makefile
@rm -f $(SNAPSHOT).tar.gz
tar cvzf $(SNAPSHOT).tar.gz $(SNAPSHOT)