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linux-stable-mirror/tools/perf/tests/make
Ian Rogers 5519b69183 tools build: Make libperl opt-in rather than opt-out, deprecate 
If libperl is installed then the perf tool build will build against
it. There appears to be limited interest in the scripting support for
perl so let's make it opt-in and deprecate it.

With this patch applied you need to add LIBPERL=1 to get libperl
support in perf - there is no warning if libperl is missing, but
building will fail if libperl is missing and the build has LIBPERL=1.
The perf version output is changed to:
```
$ perf version --build-options
perf version 6.17.rc3.g8eca69269947
                   aio: [ on  ]  # HAVE_AIO_SUPPORT
                   bpf: [ on  ]  # HAVE_LIBBPF_SUPPORT
         bpf_skeletons: [ on  ]  # HAVE_BPF_SKEL
            debuginfod: [ on  ]  # HAVE_DEBUGINFOD_SUPPORT
                 dwarf: [ on  ]  # HAVE_LIBDW_SUPPORT
    dwarf_getlocations: [ on  ]  # HAVE_LIBDW_SUPPORT
          dwarf-unwind: [ on  ]  # HAVE_DWARF_UNWIND_SUPPORT
              auxtrace: [ on  ]  # HAVE_AUXTRACE_SUPPORT
                libbfd: [ OFF ]  # HAVE_LIBBFD_SUPPORT ( tip: Deprecated, license incompatibility, use BUILD_NONDISTRO=1 and install binutils-dev[el] )
        libbpf-strings: [ on  ]  # HAVE_LIBBPF_STRINGS_SUPPORT
           libcapstone: [ on  ]  # HAVE_LIBCAPSTONE_SUPPORT
    libdw-dwarf-unwind: [ on  ]  # HAVE_LIBDW_SUPPORT
                libelf: [ on  ]  # HAVE_LIBELF_SUPPORT
               libnuma: [ on  ]  # HAVE_LIBNUMA_SUPPORT
            libopencsd: [ OFF ]  # HAVE_CSTRACE_SUPPORT
               libperl: [ OFF ]  # HAVE_LIBPERL_SUPPORT ( tip:
Deprecated, use LIBPERL=1 and install libperl-dev to build with it )
               libpfm4: [ on  ]  # HAVE_LIBPFM
             libpython: [ on  ]  # HAVE_LIBPYTHON_SUPPORT
              libslang: [ on  ]  # HAVE_SLANG_SUPPORT
         libtraceevent: [ on  ]  # HAVE_LIBTRACEEVENT
             libunwind: [ OFF ]  # HAVE_LIBUNWIND_SUPPORT ( tip:
Deprecated, use LIBUNWIND=1 and install libunwind-dev[el] to build
with it )
                  lzma: [ on  ]  # HAVE_LZMA_SUPPORT
numa_num_possible_cpus: [ on  ]  # HAVE_LIBNUMA_SUPPORT
                  zlib: [ on  ]  # HAVE_ZLIB_SUPPORT
                  zstd: [ on  ]  # HAVE_ZSTD_SUPPORT
```

i.e. there is a tip saying about deprecation and how to get support
back.

Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Charlie Jenkins <charlie@rivosinc.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Monnet <qmo@kernel.org>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Tomas Glozar <tglozar@redhat.com>
Cc: Yuzhuo Jing <yuzhuo@google.com>
Link: https://lore.kernel.org/lkml/aMrk03gigBlGcYLK@x1/
Link: https://lore.kernel.org/lkml/CAP-5=fVX+bLBRJCiziDi_hBySgv2NFtDoghtpheSSxVAvvETGw@mail.gmail.com
[ Keep the pre-existing perl-ExtUtils-Embed hint for Fedora/RHEL systems ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2025-09-19 16:07:21 -03:00

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include ../scripts/Makefile.include
ifndef MK
ifeq ($(MAKECMDGOALS),)
# no target specified, trigger the whole suite
all:
@echo "Testing Makefile"; $(MAKE) -sf tests/make MK=Makefile
@echo "Testing Makefile.perf"; $(MAKE) -sf tests/make MK=Makefile.perf SET_PARALLEL=1 SET_O=1
else
# run only specific test over 'Makefile'
%:
@echo "Testing Makefile"; $(MAKE) -sf tests/make MK=Makefile $@
endif
else
PERF := .
PERF_O := $(PERF)
O_OPT :=
FULL_O := $(shell readlink -f $(PERF_O) || echo $(PERF_O))
ifneq ($(O),)
FULL_O := $(shell readlink -f $(O) || echo $(O))
PERF_O := $(FULL_O)
ifeq ($(SET_O),1)
O_OPT := 'O=$(FULL_O)'
endif
K_O_OPT := 'O=$(FULL_O)'
endif
PARALLEL_OPT=
ifeq ($(SET_PARALLEL),1)
ifeq ($(JOBS),)
cores := $(shell (getconf _NPROCESSORS_ONLN || grep -E -c '^processor|^CPU[0-9]' /proc/cpuinfo) 2>/dev/null)
ifeq ($(cores),0)
cores := 1
endif
else
cores=$(JOBS)
endif
PARALLEL_OPT="-j$(cores)"
endif
# As per kernel Makefile, avoid funny character set dependencies
unexport LC_ALL
LC_COLLATE=C
LC_NUMERIC=C
export LC_COLLATE LC_NUMERIC
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
#$(info Determined 'srctree' to be $(srctree))
endif
include $(srctree)/tools/scripts/Makefile.arch
# FIXME looks like x86 is the only arch running tests ;-)
# we need some IS_(32/64) flag to make this generic
ifeq ($(ARCH)$(IS_64_BIT), x861)
lib = lib64
else
lib = lib
endif
has = $(shell which $1 2>/dev/null)
python_perf_so := $(shell $(MAKE) python_perf_target|grep "Target is:"|awk '{print $$3}')
# standard single make variable specified
make_clean_all := clean all
make_python_perf_so := $(python_perf_so)
make_debug := DEBUG=1
make_nondistro := BUILD_NONDISTRO=1
make_extra_tests := EXTRA_TESTS=1
make_jevents_all := JEVENTS_ARCH=all
make_no_bpf_skel := BUILD_BPF_SKEL=0
make_gen_vmlinux_h := GEN_VMLINUX_H=1
make_libperl := LIBPERL=1
make_no_libpython := NO_LIBPYTHON=1
make_no_scripts := NO_LIBPYTHON=1
make_no_slang := NO_SLANG=1
make_no_gtk2 := NO_GTK2=1
make_no_ui := NO_SLANG=1 NO_GTK2=1
make_no_demangle := NO_DEMANGLE=1
make_no_libelf := NO_LIBELF=1
make_no_libdw := NO_LIBDW=1
make_libunwind := LIBUNWIND=1
make_no_libdw_dwarf_unwind := NO_LIBDW_DWARF_UNWIND=1
make_no_backtrace := NO_BACKTRACE=1
make_no_libcapstone := NO_CAPSTONE=1
make_no_libnuma := NO_LIBNUMA=1
make_no_libbionic := NO_LIBBIONIC=1
make_no_auxtrace := NO_AUXTRACE=1
make_no_libbpf := NO_LIBBPF=1
make_libbpf_dynamic := LIBBPF_DYNAMIC=1
make_no_libbpf_DEBUG := NO_LIBBPF=1 DEBUG=1
make_no_libllvm := NO_LIBLLVM=1
make_with_babeltrace:= LIBBABELTRACE=1
make_with_coresight := CORESIGHT=1
make_no_sdt := NO_SDT=1
make_no_libpfm4 := NO_LIBPFM4=1
make_with_gtk2 := GTK2=1
make_refcnt_check := EXTRA_CFLAGS="-DREFCNT_CHECKING=1"
make_tags := tags
make_cscope := cscope
make_help := help
make_doc := doc
make_perf_o := perf.o
make_util_map_o := util/map.o
make_util_pmu_bison_o := util/pmu-bison.o
make_install := install
make_install_bin := install-bin
make_install_doc := install-doc
make_install_man := install-man
make_install_html := install-html
make_install_info := install-info
make_install_pdf := install-pdf
make_install_prefix := install prefix=/tmp/krava
make_install_prefix_slash := install prefix=/tmp/krava/
make_static := LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_PERF_READ_VDSOX32=1 NO_JVMTI=1 NO_LIBTRACEEVENT=1 NO_LIBELF=1
# all the NO_* variable combined
make_minimal := NO_LIBPYTHON=1 NO_GTK2=1
make_minimal += NO_DEMANGLE=1 NO_LIBELF=1 NO_BACKTRACE=1
make_minimal += NO_LIBNUMA=1 NO_LIBBIONIC=1 NO_LIBDW=1
make_minimal += NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 NO_LIBBPF=1
make_minimal += NO_SDT=1 NO_JVMTI=1 NO_LIBZSTD=1
make_minimal += NO_LIBCAP=1 NO_CAPSTONE=1
# $(run) contains all available tests
run := make_pure
# Targets 'clean all' can be run together only through top level
# Makefile because we detect clean target in Makefile.perf and
# disable features detection
ifeq ($(MK),Makefile)
run += make_clean_all
MAKE_F := $(MAKE)
else
MAKE_F := $(MAKE) -f $(MK)
endif
run += make_python_perf_so
run += make_debug
run += make_nondistro
run += make_extra_tests
run += make_jevents_all
run += make_no_bpf_skel
run += make_gen_vmlinux_h
run += make_libperl
run += make_no_libpython
run += make_no_scripts
run += make_no_slang
run += make_no_gtk2
run += make_no_ui
run += make_no_demangle
run += make_no_libelf
run += make_no_libdw
run += make_libunwind
run += make_no_libdw_dwarf_unwind
run += make_no_backtrace
run += make_no_libcapstone
run += make_no_libnuma
run += make_no_libbionic
run += make_no_auxtrace
run += make_no_libbpf
run += make_no_libbpf_DEBUG
run += make_no_libllvm
run += make_no_sdt
run += make_no_syscall_tbl
run += make_with_babeltrace
run += make_with_coresight
run += make_with_clangllvm
run += make_no_libpfm4
run += make_refcnt_check
run += make_help
run += make_doc
run += make_perf_o
run += make_util_map_o
run += make_util_pmu_bison_o
run += make_install
run += make_install_bin
run += make_install_prefix
run += make_install_prefix_slash
# FIXME 'install-*' commented out till they're fixed
# run += make_install_doc
# run += make_install_man
# run += make_install_html
# run += make_install_info
# run += make_install_pdf
run += make_minimal
old_libbpf := $(shell echo '\#include <bpf/libbpf.h>' | $(CC) -E -dM -x c -| grep -q -E "define[[:space:]]+LIBBPF_MAJOR_VERSION[[:space:]]+0{1}")
ifneq ($(old_libbpf),)
run += make_libbpf_dynamic
endif
ifneq ($(call has,ctags),)
run += make_tags
endif
ifneq ($(call has,cscope),)
run += make_cscope
endif
# $(run_O) contains same portion of $(run) tests with '_O' attached
# to distinguish O=... tests
run_O := $(addsuffix _O,$(run))
# disable some tests for O=...
run_O := $(filter-out make_python_perf_so_O,$(run_O))
# define test for each compile as 'test_NAME' variable
# with the test itself as a value
test_make_tags = test -f tags
test_make_cscope = test -f cscope.out
test_make_tags_O := $(test_make_tags)
test_make_cscope_O := $(test_make_cscope)
test_ok := true
test_make_help := $(test_ok)
test_make_doc := $(test_ok)
test_make_help_O := $(test_ok)
test_make_doc_O := $(test_ok)
test_make_python_perf_so := test -f $(PERF_O)/$(python_perf_so)
test_make_perf_o := test -f $(PERF_O)/perf.o
test_make_util_map_o := test -f $(PERF_O)/util/map.o
test_make_util_pmu_bison_o := test -f $(PERF_O)/util/pmu-bison.o
define test_dest_files
for file in $(1); do \
if [ ! -x $$TMP_DEST/$$file ]; then \
echo " failed to find: $$file"; \
fi \
done
endef
installed_files_bin := bin/perf
installed_files_bin += etc/bash_completion.d/perf
installed_files_bin += libexec/perf-core/perf-archive
installed_files_all := $(installed_files_bin)
test_make_install := $(call test_dest_files,$(installed_files_all))
test_make_install_O := $(call test_dest_files,$(installed_files_all))
test_make_install_bin := $(call test_dest_files,$(installed_files_bin))
test_make_install_bin_O := $(call test_dest_files,$(installed_files_bin))
# We prefix all installed files for make_install_prefix(_slash)
# with '/tmp/krava' to match installed/prefix-ed files.
installed_files_all_prefix := $(addprefix /tmp/krava/,$(installed_files_all))
test_make_install_prefix := $(call test_dest_files,$(installed_files_all_prefix))
test_make_install_prefix_O := $(call test_dest_files,$(installed_files_all_prefix))
test_make_install_prefix_slash := $(test_make_install_prefix)
test_make_install_prefix_slash_O := $(test_make_install_prefix_O)
# FIXME nothing gets installed
test_make_install_man := test -f $$TMP_DEST/share/man/man1/perf.1
test_make_install_man_O := $(test_make_install_man)
# FIXME nothing gets installed
test_make_install_doc := $(test_ok)
test_make_install_doc_O := $(test_ok)
# FIXME nothing gets installed
test_make_install_html := $(test_ok)
test_make_install_html_O := $(test_ok)
# FIXME nothing gets installed
test_make_install_info := $(test_ok)
test_make_install_info_O := $(test_ok)
# FIXME nothing gets installed
test_make_install_pdf := $(test_ok)
test_make_install_pdf_O := $(test_ok)
test_make_libbpf_dynamic := ldd $(PERF_O)/perf | grep -q libbpf
test_make_libbpf_dynamic_O := ldd $$TMP_O/perf | grep -q libbpf
test_make_python_perf_so_O := test -f $$TMP_O/python/perf.so
test_make_perf_o_O := test -f $$TMP_O/perf.o
test_make_util_map_o_O := test -f $$TMP_O/util/map.o
test_make_util_pmu_bison_o_O := test -f $$TMP_O/util/pmu-bison.o
test_default = test -x $(PERF_O)/perf
test = $(if $(test_$1),$(test_$1),$(test_default))
test_default_O = test -x $$TMP_O/perf
test_O = $(if $(test_$1),$(test_$1),$(test_default_O))
all:
ifdef SHUF
run := $(shell shuf -e $(run))
run_O := $(shell shuf -e $(run_O))
endif
max_width := $(shell echo $(run_O) | sed 's/ /\n/g' | wc -L)
ifdef DEBUG
d := $(info run $(run))
d := $(info run_O $(run_O))
endif
MAKEFLAGS := --no-print-directory
clean := @(cd $(PERF); $(MAKE_F) -s $(O_OPT) clean >/dev/null && $(MAKE) -s $(O_OPT) -C ../build clean >/dev/null)
$(run):
$(call clean)
@TMP_DEST=$$(mktemp -d); \
cmd="cd $(PERF) && $(MAKE_F) $($@) $(PARALLEL_OPT) $(O_OPT) DESTDIR=$$TMP_DEST"; \
printf "%*.*s: %s\n" $(max_width) $(max_width) "$@" "$$cmd" && echo $$cmd > $@ && \
( eval $$cmd ) >> $@ 2>&1; \
echo " test: $(call test,$@)" >> $@ 2>&1; \
$(call test,$@) && \
rm -rf $@ $$TMP_DEST || (cat $@ ; false)
make_with_gtk2:
$(call clean)
@TMP_DEST=$$(mktemp -d); \
cmd="cd $(PERF) && $(MAKE_F) $($@) $(PARALLEL_OPT) $(O_OPT) DESTDIR=$$TMP_DEST"; \
printf "%*.*s: %s\n" $(max_width) $(max_width) "$@" "$$cmd" && echo $$cmd > $@ && \
( eval $$cmd ) >> $@ 2>&1; \
echo " test: $(call test,$@)" >> $@ 2>&1; \
$(call test,$@) && \
rm -rf $@ $$TMP_DEST || (cat $@ ; false)
make_static:
$(call clean)
@TMP_DEST=$$(mktemp -d); \
cmd="cd $(PERF) && $(MAKE_F) $($@) $(PARALLEL_OPT) $(O_OPT) DESTDIR=$$TMP_DEST"; \
printf "%*.*s: %s\n" $(max_width) $(max_width) "$@" "$$cmd" && echo $$cmd > $@ && \
( eval $$cmd ) >> $@ 2>&1; \
echo " test: $(call test,$@)" >> $@ 2>&1; \
$(call test,$@) && \
rm -rf $@ $$TMP_DEST || (cat $@ ; false)
$(run_O):
$(call clean)
@TMP_O=$$(mktemp -d); \
TMP_DEST=$$(mktemp -d); \
cmd="cd $(PERF) && $(MAKE_F) $($(patsubst %_O,%,$@)) $(PARALLEL_OPT) O=$$TMP_O DESTDIR=$$TMP_DEST"; \
printf "%*.*s: %s\n" $(max_width) $(max_width) "$@" "$$cmd" && echo $$cmd > $@ && \
( eval $$cmd ) >> $@ 2>&1 && \
echo " test: $(call test_O,$@)" >> $@ 2>&1; \
$(call test_O,$@) && \
rm -rf $@ $$TMP_O $$TMP_DEST || (cat $@ ; false)
tarpkg:
@cmd="$(PERF)/tests/perf-targz-src-pkg $(PERF)"; \
echo "- $@: $$cmd" && echo $$cmd > $@ && \
( eval $$cmd ) >> $@ 2>&1 && \
rm -f $@
KERNEL_O := ../..
ifneq ($(O),)
KERNEL_O := $(O)
endif
make_kernelsrc:
@echo "- make -C <kernelsrc> $(PARALLEL_OPT) $(K_O_OPT) tools/perf"
$(call clean); \
(make -C ../.. $(PARALLEL_OPT) $(K_O_OPT) tools/perf) > $@ 2>&1 && \
test -x $(KERNEL_O)/tools/perf/perf && rm -f $@ || (cat $@ ; false)
make_kernelsrc_tools:
@echo "- make -C <kernelsrc>/tools $(PARALLEL_OPT) $(K_O_OPT) perf"
$(call clean); \
(make -C ../../tools $(PARALLEL_OPT) $(K_O_OPT) perf) > $@ 2>&1 && \
test -x $(KERNEL_O)/tools/perf/perf && rm -f $@ || (cat $@ ; false)
make_libperf:
@echo "- make -C lib";
make -C lib clean >$@ 2>&1; make -C lib >>$@ 2>&1 && rm $@
FEATURES_DUMP_FILE := $(FULL_O)/BUILD_TEST_FEATURE_DUMP
FEATURES_DUMP_FILE_STATIC := $(FULL_O)/BUILD_TEST_FEATURE_DUMP_STATIC
all: $(run) $(run_O) tarpkg make_kernelsrc make_kernelsrc_tools
@echo OK
@rm -f $(FEATURES_DUMP_FILE) $(FEATURES_DUMP_FILE_STATIC)
out: $(run_O)
@echo OK
@rm -f $(FEATURES_DUMP_FILE) $(FEATURES_DUMP_FILE_STATIC)
ifeq ($(REUSE_FEATURES_DUMP),1)
$(FEATURES_DUMP_FILE):
$(call clean)
@cmd="cd $(PERF) && make FEATURE_DUMP_COPY=$@ $(O_OPT) feature-dump"; \
echo "- $@: $$cmd" && echo $$cmd && \
( eval $$cmd ) > /dev/null 2>&1
$(FEATURES_DUMP_FILE_STATIC):
$(call clean)
@cmd="cd $(PERF) && make FEATURE_DUMP_COPY=$@ $(O_OPT) LDFLAGS='-static' feature-dump"; \
echo "- $@: $$cmd" && echo $$cmd && \
( eval $$cmd ) > /dev/null 2>&1
# Add feature dump dependency for run/run_O targets
$(foreach t,$(run) $(run_O),$(eval \
$(t): $(if $(findstring make_static,$(t)),\
$(FEATURES_DUMP_FILE_STATIC),\
$(FEATURES_DUMP_FILE))))
# Append 'FEATURES_DUMP=' option to all test cases. For example:
# make_no_libbpf: NO_LIBBPF=1 --> NO_LIBBPF=1 FEATURES_DUMP=/a/b/BUILD_TEST_FEATURE_DUMP
# make_static: LDFLAGS=-static --> LDFLAGS=-static FEATURES_DUMP=/a/b/BUILD_TEST_FEATURE_DUMP_STATIC
$(foreach t,$(run),$(if $(findstring make_static,$(t)),\
$(eval $(t) := $($(t)) FEATURES_DUMP=$(FEATURES_DUMP_FILE_STATIC)),\
$(eval $(t) := $($(t)) FEATURES_DUMP=$(FEATURES_DUMP_FILE))))
endif
.PHONY: all $(run) $(run_O) tarpkg clean make_kernelsrc make_kernelsrc_tools make_libperf
endif # ifndef MK
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