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linux/tools/perf/util/Build
Ian Rogers 713eeb2279 perf build: Move BPF skeleton generation out of Makefile.perf 
Currently, the top-level Makefile.perf defines a massive global bpf-skel
umbrella target that pre-compiles all 12+ BPF skeletons (%.skel.h) upfront
before launching sub-makes. This forces unrelated sub-makes to serialize
behind bpftool and clang BPF target evaluations, causing parallel build
bottlenecks.

Furthermore, bench_uprobe.bpf.c lived inside util/bpf_skel/, breaking
conceptual directory encapsulation since it is consumed purely by
bench/uprobe.c.

Refactor the BPF skeletons to better achieve directory isolation:
1. Move tools/perf/util/bpf_skel/bench_uprobe.bpf.c directly into
   tools/perf/bench/bpf_skel/.
2. Extract the skeleton generation infrastructure out of Makefile.perf into
   a shared inclusion file tools/perf/bpf_skel.mak.
3. Include bpf_skel.mak locally inside tools/perf/util/Build and
   tools/perf/bench/Build and bind precise local prerequisites.
4. Safely synchronize the shared bpftool bootstrap and vmlinux.h targets
   via the conditional prepare: umbrella to avoid parallel sub-make races,
   while evaluating the actual skeletons completely locally on demand. A
   later patch will move these targets into bpf_skel.mak.
5. Export CLANG from the global Makefile to ensure accurate tool
   propagation.
6. Clean up Makefile.perf by stripping the global bpf-skel umbrella target
   and its SKELETONS list.

While removing code from Makefile.perf generally helps build
performance, the impact here is minimal. The main motivation for the
change is to better encapsulate things in the build and simplify
Makefile.perf that has around 50 lines removed.

Reviewed-by: Namhyung Kim <namhyung@kernel.org>
Assisted-by: Gemini:gemini-3.1-pro-preview
Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: James Clark <james.clark@linaro.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexandre Chartre <alexandre.chartre@oracle.com>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Ankur Arora <ankur.a.arora@oracle.com>
Cc: Collin Funk <collin.funk1@gmail.com>
Cc: Costa Shulyupin <costa.shul@redhat.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Dapeng Mi <dapeng1.mi@linux.intel.com>
Cc: David Sterba <dsterba@suse.com>
Cc: Dmitrii Dolgov <9erthalion6@gmail.com>
Cc: Eduard Zingerman <eddyz87@gmail.com>
Cc: Howard Chu <howardchu95@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Cc: Leo Yan <leo.yan@arm.com>
Cc: Markus Mayer <mmayer@broadcom.com>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Terrell <terrelln@fb.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <pjw@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Monnet <qmo@kernel.org>
Cc: Ricky Ringler <ricky.ringler@proton.me>
Cc: Song Liu <song@kernel.org>
Cc: Swapnil Sapkal <swapnil.sapkal@amd.com>
Cc: Thomas Falcon <thomas.falcon@intel.com>
Cc: Tomas Glozar <tglozar@redhat.com>
Cc: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2026-05-20 17:46:45 -03:00

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include $(srctree)/tools/scripts/Makefile.include
include $(srctree)/tools/scripts/utilities.mak
perf-util-y += annotate-arch/
perf-util-y += arm64-frame-pointer-unwind-support.o
perf-util-y += addr2line.o
perf-util-y += addr_location.o
perf-util-y += annotate.o
perf-util-y += blake2s.o
perf-util-y += block-info.o
perf-util-y += block-range.o
perf-util-y += build-id.o
perf-util-y += cacheline.o
perf-util-$(CONFIG_LIBCAPSTONE) += 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-$(CONFIG_LIBBFD) += libbfd.o
perf-util-y += llvm.o
perf-util-y += mmap.o
perf-util-y += memswap.o
perf-util-y += parse-events.o
perf-util-y += print-events.o
perf-util-y += tracepoint.o
perf-util-y += perf_regs.o
perf-util-y += perf-regs-arch/
perf-util-y += path.o
perf-util-y += print_binary.o
perf-util-y += print_insn.o
perf-util-y += rlimit.o
perf-util-y += argv_split.o
perf-util-y += rbtree.o
perf-util-y += libstring.o
perf-util-y += bitmap.o
perf-util-y += hweight.o
perf-util-y += smt.o
perf-util-y += strbuf.o
perf-util-y += string.o
perf-util-y += strlist.o
perf-util-y += strfilter.o
perf-util-y += top.o
perf-util-y += usage.o
perf-util-y += dso.o
perf-util-y += dsos.o
perf-util-y += symbol.o
perf-util-y += symbol_fprintf.o
perf-util-y += map_symbol.o
perf-util-y += color.o
perf-util-y += color_config.o
perf-util-y += metricgroup.o
perf-util-y += header.o
perf-util-y += callchain.o
perf-util-y += values.o
perf-util-y += debug.o
perf-util-y += fncache.o
perf-util-y += machine.o
perf-util-y += map.o
perf-util-y += maps.o
perf-util-y += pstack.o
perf-util-y += session.o
perf-util-y += tool.o
perf-util-y += sample.o
perf-util-y += sample-raw.o
perf-util-y += s390-sample-raw.o
perf-util-y += amd-sample-raw.o
perf-util-y += ordered-events.o
perf-util-y += namespaces.o
perf-util-y += comm.o
perf-util-y += thread.o
perf-util-y += threads.o
perf-util-y += thread_map.o
perf-util-y += parse-events-flex.o
perf-util-y += parse-events-bison.o
perf-util-y += pmu.o
perf-util-y += pmus.o
perf-util-y += pmu-flex.o
perf-util-y += pmu-bison.o
perf-util-y += drm_pmu.o
perf-util-y += hwmon_pmu.o
perf-util-y += tool_pmu.o
perf-util-y += tp_pmu.o
perf-util-y += svghelper.o
perf-util-y += trace-event-info.o
perf-util-y += trace-event-scripting.o
perf-util-$(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-$(CONFIG_LIBTRACEEVENT) += kvm-stat.o
perf-util-y += kvm-stat-arch/
perf-util-y += lock-contention.o
perf-util-y += auxtrace.o
perf-util-y += intel-pt-decoder/
perf-util-y += intel-pt.o
perf-util-y += intel-bts.o
perf-util-y += arm-spe.o
perf-util-y += arm-spe-decoder/
perf-util-y += hisi-ptt.o
perf-util-y += hisi-ptt-decoder/
perf-util-y += s390-cpumsf.o
perf-util-y += powerpc-vpadtl.o
ifdef CONFIG_LIBOPENCSD
perf-util-y += cs-etm.o
perf-util-y += cs-etm-decoder/
endif
perf-util-y += cs-etm-base.o
perf-util-y += parse-branch-options.o
perf-util-y += parse-regs-options.o
perf-util-y += parse-sublevel-options.o
perf-util-y += term.o
perf-util-y += help-unknown-cmd.o
perf-util-y += dlfilter.o
perf-util-y += mem-events.o
perf-util-y += mem-info.o
perf-util-y += vsprintf.o
perf-util-y += units.o
perf-util-y += time-utils.o
perf-util-y += expr-flex.o
perf-util-y += expr-bison.o
perf-util-y += expr.o
perf-util-y += branch.o
perf-util-y += mem2node.o
perf-util-y += clockid.o
perf-util-y += list_sort.o
perf-util-y += mutex.o
perf-util-y += sharded_mutex.o
perf-util-y += intel-tpebs.o
perf-util-$(CONFIG_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-y += unwind.o
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-$(CONFIG_LIBUNWIND) += unwind-libunwind.o
perf-util-$(CONFIG_LIBUNWIND) += libunwind-arch/
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 += $(PYLINT_TEST_LOGS)
ifeq ($(CONFIG_PERF_BPF_SKEL),y)
include $(srctree)/tools/perf/bpf_skel.mak
$(OUTPUT)util/bpf_ftrace.o: $(SKEL_OUT)/func_latency.skel.h
$(OUTPUT)util/bpf-filter.o: $(SKEL_OUT)/sample_filter.skel.h
$(OUTPUT)util/bpf_kwork_top.o: $(SKEL_OUT)/kwork_top.skel.h
$(OUTPUT)util/bpf_off_cpu.o: $(SKEL_OUT)/off_cpu.skel.h
$(OUTPUT)util/bpf-trace-summary.o: $(SKEL_OUT)/syscall_summary.skel.h
$(OUTPUT)util/bpf_counter_cgroup.o: $(SKEL_OUT)/bperf_cgroup.skel.h
$(OUTPUT)util/bpf_trace_augment.o: $(SKEL_OUT)/augmented_raw_syscalls.skel.h
$(OUTPUT)util/bpf_counter.o: $(SKEL_OUT)/bpf_prog_profiler.skel.h $(SKEL_OUT)/bperf_leader.skel.h $(SKEL_OUT)/bperf_follower.skel.h
$(OUTPUT)util/bpf_lock_contention.o: $(SKEL_OUT)/lock_contention.skel.h
$(OUTPUT)util/bpf_kwork.o: $(SKEL_OUT)/kwork_trace.skel.h
endif
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