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linux/tools/perf/util/Build
Ian Rogers 2e9191573a perf build: Remove NO_LIBDW_DWARF_UNWIND option 
Libdw unwinding support is present for every architecture that has a
perf_regs.h - perf registers are needed for the initial frame to
unwind.

Elfutils also supports SPARC, ARC and m68k but there is no support in
the Linux kernel for perf registers on these architectures.

As the perf supported DWARF unwinding architectures are a subset of the
elfutils ones, remove NO_LIBDW_DWARF_UNWIND as there isn't a case of
elfutils lacking the support need for perf.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Aditya Bodkhe <aditya.b1@linux.ibm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.ibm.com>
Cc: Chun-Tse Shao <ctshao@google.com>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Dr. David Alan Gilbert <linux@treblig.org>
Cc: Guo Ren <guoren@kernel.org>
Cc: Haibo Xu <haibo1.xu@intel.com>
Cc: Howard Chu <howardchu95@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Krzysztof Łopatowski <krzysztof.m.lopatowski@gmail.com>
Cc: Leo Yan <leo.yan@linux.dev>
Cc: Mark Wielaard <mark@klomp.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <pjw@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sergei Trofimovich <slyich@gmail.com>
Cc: Shimin Guo <shimin.guo@skydio.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: Thomas Falcon <thomas.falcon@intel.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2026-01-20 15:43:56 -03:00

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include $(srctree)/tools/scripts/Makefile.include
include $(srctree)/tools/scripts/utilities.mak
perf-util-y += arm64-frame-pointer-unwind-support.o
perf-util-y += addr2line.o
perf-util-y += addr_location.o
perf-util-y += annotate.o
perf-util-y += blake2s.o
perf-util-y += block-info.o
perf-util-y += block-range.o
perf-util-y += build-id.o
perf-util-y += cacheline.o
perf-util-y += capstone.o
perf-util-y += config.o
perf-util-y += copyfile.o
perf-util-y += ctype.o
perf-util-y += db-export.o
perf-util-y += disasm.o
perf-util-y += env.o
perf-util-y += event.o
perf-util-y += evlist.o
perf-util-y += sideband_evlist.o
perf-util-y += evsel.o
perf-util-y += evsel_fprintf.o
perf-util-y += perf_event_attr_fprintf.o
perf-util-y += evswitch.o
perf-util-y += find_bit.o
perf-util-y += levenshtein.o
perf-util-$(CONFIG_LIBBFD) += libbfd.o
perf-util-y += llvm.o
perf-util-y += mmap.o
perf-util-y += memswap.o
perf-util-y += parse-events.o
perf-util-y += print-events.o
perf-util-y += tracepoint.o
perf-util-y += perf_regs.o
perf-util-y += perf-regs-arch/
perf-util-y += path.o
perf-util-y += print_binary.o
perf-util-y += print_insn.o
perf-util-y += rlimit.o
perf-util-y += argv_split.o
perf-util-y += rbtree.o
perf-util-y += libstring.o
perf-util-y += bitmap.o
perf-util-y += hweight.o
perf-util-y += smt.o
perf-util-y += strbuf.o
perf-util-y += string.o
perf-util-y += strlist.o
perf-util-y += strfilter.o
perf-util-y += top.o
perf-util-y += usage.o
perf-util-y += dso.o
perf-util-y += dsos.o
perf-util-y += symbol.o
perf-util-y += symbol_fprintf.o
perf-util-y += map_symbol.o
perf-util-y += color.o
perf-util-y += color_config.o
perf-util-y += metricgroup.o
perf-util-y += header.o
perf-util-y += callchain.o
perf-util-y += values.o
perf-util-y += debug.o
perf-util-y += fncache.o
perf-util-y += machine.o
perf-util-y += map.o
perf-util-y += maps.o
perf-util-y += pstack.o
perf-util-y += session.o
perf-util-y += tool.o
perf-util-y += sample.o
perf-util-y += sample-raw.o
perf-util-y += s390-sample-raw.o
perf-util-y += amd-sample-raw.o
perf-util-$(CONFIG_TRACE) += syscalltbl.o
perf-util-y += ordered-events.o
perf-util-y += namespaces.o
perf-util-y += comm.o
perf-util-y += thread.o
perf-util-y += threads.o
perf-util-y += thread_map.o
perf-util-y += parse-events-flex.o
perf-util-y += parse-events-bison.o
perf-util-y += pmu.o
perf-util-y += pmus.o
perf-util-y += pmu-flex.o
perf-util-y += pmu-bison.o
perf-util-y += drm_pmu.o
perf-util-y += hwmon_pmu.o
perf-util-y += tool_pmu.o
perf-util-y += tp_pmu.o
perf-util-y += svghelper.o
perf-util-y += trace-event-info.o
perf-util-y += trace-event-scripting.o
perf-util-$(CONFIG_LIBTRACEEVENT) += trace-event.o
perf-util-$(CONFIG_LIBTRACEEVENT) += trace-event-parse.o
perf-util-$(CONFIG_LIBTRACEEVENT) += trace-event-read.o
perf-util-y += sort.o
perf-util-y += hist.o
perf-util-y += util.o
perf-util-y += cpumap.o
perf-util-y += affinity.o
perf-util-y += cputopo.o
perf-util-y += cgroup.o
perf-util-y += target.o
perf-util-y += rblist.o
perf-util-y += intlist.o
perf-util-y += vdso.o
perf-util-y += counts.o
perf-util-y += stat.o
perf-util-y += stat-shadow.o
perf-util-y += stat-display.o
perf-util-y += perf_api_probe.o
perf-util-y += record.o
perf-util-y += srcline.o
perf-util-y += srccode.o
perf-util-y += synthetic-events.o
perf-util-y += data.o
perf-util-y += tsc.o
perf-util-y += cloexec.o
perf-util-y += call-path.o
perf-util-y += rwsem.o
perf-util-y += thread-stack.o
perf-util-y += spark.o
perf-util-y += topdown.o
perf-util-y += iostat.o
perf-util-y += stream.o
perf-util-y += kvm-stat.o
perf-util-y += lock-contention.o
perf-util-y += auxtrace.o
perf-util-y += intel-pt-decoder/
perf-util-y += intel-pt.o
perf-util-y += intel-bts.o
perf-util-y += arm-spe.o
perf-util-y += arm-spe-decoder/
perf-util-y += hisi-ptt.o
perf-util-y += hisi-ptt-decoder/
perf-util-y += s390-cpumsf.o
perf-util-y += powerpc-vpadtl.o
ifdef CONFIG_LIBOPENCSD
perf-util-y += cs-etm.o
perf-util-y += cs-etm-decoder/
endif
perf-util-y += cs-etm-base.o
perf-util-y += parse-branch-options.o
perf-util-y += dump-insn.o
perf-util-y += parse-regs-options.o
perf-util-y += parse-sublevel-options.o
perf-util-y += term.o
perf-util-y += help-unknown-cmd.o
perf-util-y += dlfilter.o
perf-util-y += mem-events.o
perf-util-y += mem-info.o
perf-util-y += vsprintf.o
perf-util-y += units.o
perf-util-y += time-utils.o
perf-util-y += expr-flex.o
perf-util-y += expr-bison.o
perf-util-y += expr.o
perf-util-y += branch.o
perf-util-y += mem2node.o
perf-util-y += clockid.o
perf-util-y += list_sort.o
perf-util-y += mutex.o
perf-util-y += sharded_mutex.o
perf-util-y += intel-tpebs.o
perf-util-$(CONFIG_LIBBPF) += bpf_map.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_counter.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_counter_cgroup.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_ftrace.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_off_cpu.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf-filter.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf-filter-flex.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf-filter-bison.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += btf.o
ifeq ($(CONFIG_TRACE),y)
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf-trace-summary.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_trace_augment.o
endif
ifeq ($(CONFIG_LIBTRACEEVENT),y)
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_lock_contention.o
endif
ifeq ($(CONFIG_LIBTRACEEVENT),y)
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_kwork.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_kwork_top.o
endif
perf-util-$(CONFIG_LIBELF) += symbol-elf.o
perf-util-$(CONFIG_LIBELF) += probe-file.o
perf-util-$(CONFIG_LIBELF) += probe-event.o
ifdef CONFIG_LIBBPF_DYNAMIC
hashmap := 1
endif
ifndef CONFIG_LIBBPF
hashmap := 1
endif
ifdef hashmap
perf-util-y += hashmap.o
endif
ifndef CONFIG_LIBELF
perf-util-y += symbol-minimal.o
endif
ifndef CONFIG_SETNS
perf-util-y += setns.o
endif
perf-util-$(CONFIG_LIBDW) += probe-finder.o
perf-util-$(CONFIG_LIBDW) += dwarf-aux.o
perf-util-$(CONFIG_LIBDW) += dwarf-regs.o
perf-util-$(CONFIG_LIBDW) += dwarf-regs-arch/
perf-util-$(CONFIG_LIBDW) += debuginfo.o
perf-util-$(CONFIG_LIBDW) += annotate-data.o
perf-util-$(CONFIG_LIBDW) += libdw.o
perf-util-$(CONFIG_LIBDW) += unwind-libdw.o
perf-util-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind-local.o
perf-util-$(CONFIG_LIBUNWIND) += unwind-libunwind.o
perf-util-$(CONFIG_LIBUNWIND_X86) += libunwind/x86_32.o
perf-util-$(CONFIG_LIBUNWIND_AARCH64) += libunwind/arm64.o
ifeq ($(CONFIG_LIBTRACEEVENT),y)
perf-util-$(CONFIG_LIBBABELTRACE) += data-convert-bt.o
endif
perf-util-y += data-convert-json.o
perf-util-y += scripting-engines/
perf-util-$(CONFIG_ZLIB) += zlib.o
perf-util-$(CONFIG_LZMA) += lzma.o
perf-util-$(CONFIG_ZSTD) += zstd.o
perf-util-y += cap.o
perf-util-$(CONFIG_CXX_DEMANGLE) += demangle-cxx.o
perf-util-y += demangle-ocaml.o
perf-util-y += demangle-java.o
perf-util-y += demangle-rust-v0.o
perf-util-$(CONFIG_LIBLLVM) += llvm-c-helpers.o
CFLAGS_demangle-rust-v0.o += -Wno-shadow -Wno-declaration-after-statement \
-Wno-switch-default -Wno-switch-enum -Wno-missing-field-initializers
ifdef CONFIG_JITDUMP
perf-util-$(CONFIG_LIBELF) += jitdump.o
perf-util-$(CONFIG_LIBELF) += genelf.o
perf-util-$(CONFIG_LIBDW) += genelf_debug.o
endif
perf-util-y += perf-hooks.o
perf-util-$(CONFIG_LIBBPF) += bpf-event.o
perf-util-$(CONFIG_LIBBPF) += bpf-utils.o
perf-util-$(CONFIG_LIBPFM4) += pfm.o
CFLAGS_config.o += -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
# avoid compiler warnings in 32-bit mode
CFLAGS_genelf_debug.o += -Wno-packed
$(OUTPUT)util/parse-events-flex.c $(OUTPUT)util/parse-events-flex.h: util/parse-events.l $(OUTPUT)util/parse-events-bison.c
$(call rule_mkdir)
$(Q)$(call echo-cmd,flex)$(FLEX) -o $(OUTPUT)util/parse-events-flex.c \
--header-file=$(OUTPUT)util/parse-events-flex.h $(PARSER_DEBUG_FLEX) $<
$(OUTPUT)util/parse-events-bison.c $(OUTPUT)util/parse-events-bison.h: util/parse-events.y
$(call rule_mkdir)
$(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) $(BISON_FILE_PREFIX_MAP) $(BISON_FALLBACK_FLAGS) \
-o $(OUTPUT)util/parse-events-bison.c -p parse_events_
$(OUTPUT)util/expr-flex.c $(OUTPUT)util/expr-flex.h: util/expr.l $(OUTPUT)util/expr-bison.c
$(call rule_mkdir)
$(Q)$(call echo-cmd,flex)$(FLEX) -o $(OUTPUT)util/expr-flex.c \
--header-file=$(OUTPUT)util/expr-flex.h $(PARSER_DEBUG_FLEX) $<
$(OUTPUT)util/expr-bison.c $(OUTPUT)util/expr-bison.h: util/expr.y
$(call rule_mkdir)
$(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) $(BISON_FILE_PREFIX_MAP) \
-o $(OUTPUT)util/expr-bison.c -p expr_
$(OUTPUT)util/pmu-flex.c $(OUTPUT)util/pmu-flex.h: util/pmu.l $(OUTPUT)util/pmu-bison.c
$(call rule_mkdir)
$(Q)$(call echo-cmd,flex)$(FLEX) -o $(OUTPUT)util/pmu-flex.c \
--header-file=$(OUTPUT)util/pmu-flex.h $(PARSER_DEBUG_FLEX) $<
$(OUTPUT)util/pmu-bison.c $(OUTPUT)util/pmu-bison.h: util/pmu.y
$(call rule_mkdir)
$(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) $(BISON_FILE_PREFIX_MAP) \
-o $(OUTPUT)util/pmu-bison.c -p perf_pmu_
$(OUTPUT)util/bpf-filter-flex.c $(OUTPUT)util/bpf-filter-flex.h: util/bpf-filter.l $(OUTPUT)util/bpf-filter-bison.c util/bpf-filter.h util/bpf_skel/sample-filter.h
$(call rule_mkdir)
$(Q)$(call echo-cmd,flex)$(FLEX) -o $(OUTPUT)util/bpf-filter-flex.c \
--header-file=$(OUTPUT)util/bpf-filter-flex.h $(PARSER_DEBUG_FLEX) $<
$(OUTPUT)util/bpf-filter-bison.c $(OUTPUT)util/bpf-filter-bison.h: util/bpf-filter.y util/bpf-filter.h util/bpf_skel/sample-filter.h
$(call rule_mkdir)
$(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) $(BISON_FILE_PREFIX_MAP) \
-o $(OUTPUT)util/bpf-filter-bison.c -p perf_bpf_filter_
FLEX_VERSION := $(shell $(FLEX) --version | cut -d' ' -f2)
FLEX_GE_260 := $(call version-ge3,$(FLEX_VERSION),2.6.0)
ifeq ($(FLEX_GE_260),1)
flex_flags := -Wno-redundant-decls -Wno-switch-default -Wno-unused-function -Wno-misleading-indentation
# Some newer clang and gcc version complain about this
# util/parse-events-bison.c:1317:9: error: variable 'parse_events_nerrs' set but not used [-Werror,-Wunused-but-set-variable]
# int yynerrs = 0;
flex_flags += -Wno-unused-but-set-variable
FLEX_LT_262 := $(call version-lt3,$(FLEX_VERSION),2.6.2)
ifeq ($(FLEX_LT_262),1)
flex_flags += -Wno-sign-compare
endif
else
flex_flags := -w
endif
# Some newer clang and gcc version complain about this
# util/parse-events-bison.c:1317:9: error: variable 'parse_events_nerrs' set but not used [-Werror,-Wunused-but-set-variable]
# int yynerrs = 0;
bison_flags := -DYYENABLE_NLS=0 -Wno-unused-but-set-variable
# Old clangs don't grok -Wno-unused-but-set-variable, remove it
ifeq ($(CC_NO_CLANG), 0)
CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g')
ifeq ($(call version-lt3,$(CLANG_VERSION),13.0.0),1)
bison_flags := $(subst -Wno-unused-but-set-variable,,$(bison_flags))
flex_flags := $(subst -Wno-unused-but-set-variable,,$(flex_flags))
endif
endif
BISON_GE_382 := $(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 382)
ifeq ($(BISON_GE_382),1)
bison_flags += -Wno-switch-enum
else
bison_flags += -w
endif
BISON_LT_381 := $(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \< 381)
ifeq ($(BISON_LT_381),1)
bison_flags += -DYYNOMEM=YYABORT
endif
CFLAGS_parse-events-flex.o += $(flex_flags) -Wno-unused-label
CFLAGS_pmu-flex.o += $(flex_flags)
CFLAGS_expr-flex.o += $(flex_flags)
CFLAGS_bpf-filter-flex.o += $(flex_flags)
CFLAGS_parse-events-bison.o += $(bison_flags)
CFLAGS_pmu-bison.o += -DYYLTYPE_IS_TRIVIAL=0 $(bison_flags)
CFLAGS_expr-bison.o += -DYYLTYPE_IS_TRIVIAL=0 $(bison_flags)
CFLAGS_bpf-filter-bison.o += -DYYLTYPE_IS_TRIVIAL=0 $(bison_flags)
$(OUTPUT)util/parse-events.o: $(OUTPUT)util/parse-events-flex.c $(OUTPUT)util/parse-events-bison.c
$(OUTPUT)util/pmu.o: $(OUTPUT)util/pmu-flex.c $(OUTPUT)util/pmu-bison.c
$(OUTPUT)util/expr.o: $(OUTPUT)util/expr-flex.c $(OUTPUT)util/expr-bison.c
$(OUTPUT)util/bpf-filter.o: $(OUTPUT)util/bpf-filter-flex.c $(OUTPUT)util/bpf-filter-bison.c
CFLAGS_bitmap.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
CFLAGS_find_bit.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
CFLAGS_rbtree.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
CFLAGS_libstring.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
CFLAGS_hweight.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
CFLAGS_header.o += -include $(OUTPUT)PERF-VERSION-FILE
CFLAGS_arm-spe.o += -I$(srctree)/tools/arch/arm64/include/ -I$(OUTPUT)arch/arm64/include/generated/
$(OUTPUT)util/argv_split.o: ../lib/argv_split.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/bitmap.o: ../lib/bitmap.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/ctype.o: ../lib/ctype.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/find_bit.o: ../lib/find_bit.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/rbtree.o: ../lib/rbtree.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/libstring.o: ../lib/string.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/hweight.o: ../lib/hweight.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/vsprintf.o: ../lib/vsprintf.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/list_sort.o: ../lib/list_sort.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
PY_TESTS := setup.py
ifdef MYPY
MYPY_TEST_LOGS := $(PY_TESTS:%=%.mypy_log)
else
MYPY_TEST_LOGS :=
endif
$(OUTPUT)%.mypy_log: %
$(call rule_mkdir)
$(Q)$(call echo-cmd,test)mypy "$<" > $@ || (cat $@ && rm $@ && false)
perf-util-y += $(MYPY_TEST_LOGS)
ifdef PYLINT
PYLINT_TEST_LOGS := $(PY_TESTS:%=%.pylint_log)
else
PYLINT_TEST_LOGS :=
endif
$(OUTPUT)%.pylint_log: %
$(call rule_mkdir)
$(Q)$(call echo-cmd,test)pylint "$<" > $@ || (cat $@ && rm $@ && false)
perf-util-y += $(PYLINT_TEST_LOGS)
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