c3f8644c21
In addition to the existing support for libbfd and calling out to an external addr2line command, add support for using libllvm directly. This is both faster than libbfd, and can be enabled in distro builds (the LLVM license has an explicit provision for GPLv2 compatibility). Thus, it is set as the primary choice if available. As an example, running 'perf report' on a medium-size profile with DWARF-based backtraces took 58 seconds with LLVM, 78 seconds with libbfd, 153 seconds with external llvm-addr2line, and I got tired and aborted the test after waiting for 55 minutes with external bfd addr2line (which is the default for perf as compiled by distributions today). Evidently, for this case, the bfd addr2line process needs 18 seconds (on a 5.2 GHz Zen 3) to load the .debug ELF in question, hits the 1-second timeout and gets killed during initialization, getting restarted anew every time. Having an in-process addr2line makes this much more robust. As future extensions, libllvm can be used in many other places where we currently use libbfd or other libraries: - Symbol enumeration (in particular, for PE binaries). - Demangling (including non-Itanium demangling, e.g. Microsoft or Rust). - Disassembling (perf annotate). However, these are much less pressing; most people don't profile PE binaries, and perf has non-bfd paths for ELF. The same with demangling; the default _cxa_demangle path works fine for most users, and while bfd objdump can be slow on large binaries, it is possible to use --objdump=llvm-objdump to get the speed benefits. (It appears LLVM-based demangling is very simple, should we want that.) Tested with LLVM 14, 15, 16, 18 and 19. For some reason, LLVM 12 was not correctly detected using feature_check, and thus was not tested. Committer notes: Added the name and a __maybe_unused to address: 1 13.50 almalinux:8 : FAIL gcc version 8.5.0 20210514 (Red Hat 8.5.0-22) (GCC) util/srcline.c: In function 'dso__free_a2l': util/srcline.c:184:20: error: parameter name omitted void dso__free_a2l(struct dso *) ^~~~~~~~~~~~ make[3]: *** [/git/perf-6.11.0-rc3/tools/build/Makefile.build:158: util] Error 2 Signed-off-by: Steinar H. Gunderson <sesse@google.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Ian Rogers <irogers@google.com> Link: https://lore.kernel.org/r/20240803152008.2818485-1-sesse@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
411 lines
13 KiB
Plaintext
411 lines
13 KiB
Plaintext
include $(srctree)/tools/scripts/Makefile.include
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include $(srctree)/tools/scripts/utilities.mak
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perf-util-y += arm64-frame-pointer-unwind-support.o
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perf-util-y += addr_location.o
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perf-util-y += annotate.o
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perf-util-y += block-info.o
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perf-util-y += block-range.o
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perf-util-y += build-id.o
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perf-util-y += cacheline.o
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perf-util-y += config.o
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perf-util-y += copyfile.o
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perf-util-y += ctype.o
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perf-util-y += db-export.o
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perf-util-y += disasm.o
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perf-util-y += disasm_bpf.o
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perf-util-y += env.o
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perf-util-y += event.o
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perf-util-y += evlist.o
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perf-util-y += sideband_evlist.o
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perf-util-y += evsel.o
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perf-util-y += evsel_fprintf.o
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perf-util-y += perf_event_attr_fprintf.o
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perf-util-y += evswitch.o
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perf-util-y += find_bit.o
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perf-util-y += get_current_dir_name.o
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perf-util-y += levenshtein.o
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perf-util-y += mmap.o
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perf-util-y += memswap.o
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perf-util-y += parse-events.o
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perf-util-y += print-events.o
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perf-util-y += tracepoint.o
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perf-util-y += perf_regs.o
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perf-util-y += perf-regs-arch/
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perf-util-y += path.o
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perf-util-y += print_binary.o
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perf-util-y += print_insn.o
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perf-util-y += rlimit.o
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perf-util-y += argv_split.o
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perf-util-y += rbtree.o
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perf-util-y += libstring.o
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perf-util-y += bitmap.o
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perf-util-y += hweight.o
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perf-util-y += smt.o
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perf-util-y += strbuf.o
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perf-util-y += string.o
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perf-util-y += strlist.o
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perf-util-y += strfilter.o
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perf-util-y += top.o
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perf-util-y += usage.o
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perf-util-y += dso.o
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perf-util-y += dsos.o
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perf-util-y += symbol.o
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perf-util-y += symbol_fprintf.o
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perf-util-y += map_symbol.o
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perf-util-y += color.o
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perf-util-y += color_config.o
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perf-util-y += metricgroup.o
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perf-util-y += header.o
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perf-util-y += callchain.o
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perf-util-y += values.o
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perf-util-y += debug.o
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perf-util-y += fncache.o
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perf-util-y += machine.o
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perf-util-y += map.o
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perf-util-y += maps.o
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perf-util-y += pstack.o
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perf-util-y += session.o
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perf-util-y += tool.o
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perf-util-y += sample-raw.o
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perf-util-y += s390-sample-raw.o
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perf-util-y += amd-sample-raw.o
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perf-util-$(CONFIG_TRACE) += syscalltbl.o
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perf-util-y += ordered-events.o
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perf-util-y += namespaces.o
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perf-util-y += comm.o
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perf-util-y += thread.o
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perf-util-y += threads.o
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perf-util-y += thread_map.o
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perf-util-y += parse-events-flex.o
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perf-util-y += parse-events-bison.o
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perf-util-y += pmu.o
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perf-util-y += pmus.o
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perf-util-y += pmu-flex.o
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perf-util-y += pmu-bison.o
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perf-util-y += svghelper.o
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perf-util-$(CONFIG_LIBTRACEEVENT) += trace-event-info.o
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perf-util-y += trace-event-scripting.o
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perf-util-$(CONFIG_LIBTRACEEVENT) += trace-event.o
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perf-util-$(CONFIG_LIBTRACEEVENT) += trace-event-parse.o
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perf-util-$(CONFIG_LIBTRACEEVENT) += trace-event-read.o
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perf-util-y += sort.o
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perf-util-y += hist.o
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perf-util-y += util.o
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perf-util-y += cpumap.o
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perf-util-y += affinity.o
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perf-util-y += cputopo.o
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perf-util-y += cgroup.o
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perf-util-y += target.o
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perf-util-y += rblist.o
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perf-util-y += intlist.o
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perf-util-y += vdso.o
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perf-util-y += counts.o
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perf-util-y += stat.o
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perf-util-y += stat-shadow.o
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perf-util-y += stat-display.o
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perf-util-y += perf_api_probe.o
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perf-util-y += record.o
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perf-util-y += srcline.o
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perf-util-y += srccode.o
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perf-util-y += synthetic-events.o
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perf-util-y += data.o
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perf-util-y += tsc.o
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perf-util-y += cloexec.o
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perf-util-y += call-path.o
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perf-util-y += rwsem.o
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perf-util-y += thread-stack.o
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perf-util-y += spark.o
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perf-util-y += topdown.o
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perf-util-y += iostat.o
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perf-util-y += stream.o
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perf-util-$(CONFIG_AUXTRACE) += auxtrace.o
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perf-util-$(CONFIG_AUXTRACE) += intel-pt-decoder/
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perf-util-$(CONFIG_AUXTRACE) += intel-pt.o
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perf-util-$(CONFIG_AUXTRACE) += intel-bts.o
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perf-util-$(CONFIG_AUXTRACE) += arm-spe.o
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perf-util-$(CONFIG_AUXTRACE) += arm-spe-decoder/
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perf-util-$(CONFIG_AUXTRACE) += hisi-ptt.o
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perf-util-$(CONFIG_AUXTRACE) += hisi-ptt-decoder/
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perf-util-$(CONFIG_AUXTRACE) += s390-cpumsf.o
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ifdef CONFIG_LIBOPENCSD
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perf-util-$(CONFIG_AUXTRACE) += cs-etm.o
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perf-util-$(CONFIG_AUXTRACE) += cs-etm-decoder/
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endif
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perf-util-$(CONFIG_AUXTRACE) += cs-etm-base.o
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perf-util-y += parse-branch-options.o
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perf-util-y += dump-insn.o
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perf-util-y += parse-regs-options.o
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perf-util-y += parse-sublevel-options.o
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perf-util-y += term.o
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perf-util-y += help-unknown-cmd.o
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perf-util-y += dlfilter.o
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perf-util-y += mem-events.o
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perf-util-y += mem-info.o
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perf-util-y += vsprintf.o
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perf-util-y += units.o
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perf-util-y += time-utils.o
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perf-util-y += expr-flex.o
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perf-util-y += expr-bison.o
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perf-util-y += expr.o
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perf-util-y += branch.o
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perf-util-y += mem2node.o
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perf-util-y += clockid.o
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perf-util-y += list_sort.o
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perf-util-y += mutex.o
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perf-util-y += sharded_mutex.o
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perf-util-$(CONFIG_X86_64) += intel-tpebs.o
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perf-util-$(CONFIG_LIBBPF) += bpf_map.o
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perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_counter.o
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perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_counter_cgroup.o
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perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_ftrace.o
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perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_off_cpu.o
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perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf-filter.o
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perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf-filter-flex.o
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perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf-filter-bison.o
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ifeq ($(CONFIG_LIBTRACEEVENT),y)
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perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_lock_contention.o
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endif
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ifeq ($(CONFIG_LIBTRACEEVENT),y)
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perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_kwork.o
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perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_kwork_top.o
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endif
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perf-util-$(CONFIG_LIBELF) += symbol-elf.o
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perf-util-$(CONFIG_LIBELF) += probe-file.o
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perf-util-$(CONFIG_LIBELF) += probe-event.o
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ifdef CONFIG_LIBBPF_DYNAMIC
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hashmap := 1
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endif
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ifndef CONFIG_LIBBPF
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hashmap := 1
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endif
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ifdef hashmap
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perf-util-y += hashmap.o
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endif
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ifndef CONFIG_LIBELF
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perf-util-y += symbol-minimal.o
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endif
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ifndef CONFIG_SETNS
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perf-util-y += setns.o
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endif
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perf-util-$(CONFIG_DWARF) += probe-finder.o
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perf-util-$(CONFIG_DWARF) += dwarf-aux.o
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perf-util-$(CONFIG_DWARF) += dwarf-regs.o
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perf-util-$(CONFIG_DWARF) += debuginfo.o
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perf-util-$(CONFIG_DWARF) += annotate-data.o
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perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
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perf-util-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind-local.o
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perf-util-$(CONFIG_LIBUNWIND) += unwind-libunwind.o
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perf-util-$(CONFIG_LIBUNWIND_X86) += libunwind/x86_32.o
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perf-util-$(CONFIG_LIBUNWIND_AARCH64) += libunwind/arm64.o
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ifeq ($(CONFIG_LIBTRACEEVENT),y)
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perf-util-$(CONFIG_LIBBABELTRACE) += data-convert-bt.o
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endif
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perf-util-y += data-convert-json.o
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perf-util-y += scripting-engines/
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perf-util-$(CONFIG_ZLIB) += zlib.o
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perf-util-$(CONFIG_LZMA) += lzma.o
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perf-util-$(CONFIG_ZSTD) += zstd.o
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perf-util-y += cap.o
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perf-util-$(CONFIG_CXX_DEMANGLE) += demangle-cxx.o
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perf-util-y += demangle-ocaml.o
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perf-util-y += demangle-java.o
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perf-util-y += demangle-rust.o
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perf-util-$(CONFIG_LIBLLVM) += llvm-c-helpers.o
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ifdef CONFIG_JITDUMP
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perf-util-$(CONFIG_LIBELF) += jitdump.o
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perf-util-$(CONFIG_LIBELF) += genelf.o
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perf-util-$(CONFIG_DWARF) += genelf_debug.o
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endif
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perf-util-y += perf-hooks.o
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perf-util-$(CONFIG_LIBBPF) += bpf-event.o
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perf-util-$(CONFIG_LIBBPF) += bpf-utils.o
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perf-util-$(CONFIG_LIBPFM4) += pfm.o
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CFLAGS_config.o += -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
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# avoid compiler warnings in 32-bit mode
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CFLAGS_genelf_debug.o += -Wno-packed
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$(OUTPUT)util/parse-events-flex.c $(OUTPUT)util/parse-events-flex.h: util/parse-events.l $(OUTPUT)util/parse-events-bison.c
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$(call rule_mkdir)
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$(Q)$(call echo-cmd,flex)$(FLEX) -o $(OUTPUT)util/parse-events-flex.c \
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--header-file=$(OUTPUT)util/parse-events-flex.h $(PARSER_DEBUG_FLEX) $<
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$(OUTPUT)util/parse-events-bison.c $(OUTPUT)util/parse-events-bison.h: util/parse-events.y
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$(call rule_mkdir)
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$(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) $(BISON_FILE_PREFIX_MAP) $(BISON_FALLBACK_FLAGS) \
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-o $(OUTPUT)util/parse-events-bison.c -p parse_events_
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$(OUTPUT)util/expr-flex.c $(OUTPUT)util/expr-flex.h: util/expr.l $(OUTPUT)util/expr-bison.c
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$(call rule_mkdir)
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$(Q)$(call echo-cmd,flex)$(FLEX) -o $(OUTPUT)util/expr-flex.c \
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--header-file=$(OUTPUT)util/expr-flex.h $(PARSER_DEBUG_FLEX) $<
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$(OUTPUT)util/expr-bison.c $(OUTPUT)util/expr-bison.h: util/expr.y
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$(call rule_mkdir)
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$(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) $(BISON_FILE_PREFIX_MAP) \
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-o $(OUTPUT)util/expr-bison.c -p expr_
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$(OUTPUT)util/pmu-flex.c $(OUTPUT)util/pmu-flex.h: util/pmu.l $(OUTPUT)util/pmu-bison.c
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$(call rule_mkdir)
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$(Q)$(call echo-cmd,flex)$(FLEX) -o $(OUTPUT)util/pmu-flex.c \
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--header-file=$(OUTPUT)util/pmu-flex.h $(PARSER_DEBUG_FLEX) $<
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$(OUTPUT)util/pmu-bison.c $(OUTPUT)util/pmu-bison.h: util/pmu.y
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$(call rule_mkdir)
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$(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) $(BISON_FILE_PREFIX_MAP) \
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-o $(OUTPUT)util/pmu-bison.c -p perf_pmu_
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$(OUTPUT)util/bpf-filter-flex.c $(OUTPUT)util/bpf-filter-flex.h: util/bpf-filter.l $(OUTPUT)util/bpf-filter-bison.c util/bpf-filter.h util/bpf_skel/sample-filter.h
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$(call rule_mkdir)
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$(Q)$(call echo-cmd,flex)$(FLEX) -o $(OUTPUT)util/bpf-filter-flex.c \
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--header-file=$(OUTPUT)util/bpf-filter-flex.h $(PARSER_DEBUG_FLEX) $<
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$(OUTPUT)util/bpf-filter-bison.c $(OUTPUT)util/bpf-filter-bison.h: util/bpf-filter.y util/bpf-filter.h util/bpf_skel/sample-filter.h
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$(call rule_mkdir)
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$(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) $(BISON_FILE_PREFIX_MAP) \
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-o $(OUTPUT)util/bpf-filter-bison.c -p perf_bpf_filter_
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FLEX_VERSION := $(shell $(FLEX) --version | cut -d' ' -f2)
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FLEX_GE_260 := $(call version-ge3,$(FLEX_VERSION),2.6.0)
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ifeq ($(FLEX_GE_260),1)
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flex_flags := -Wno-redundant-decls -Wno-switch-default -Wno-unused-function -Wno-misleading-indentation
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# Some newer clang and gcc version complain about this
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# util/parse-events-bison.c:1317:9: error: variable 'parse_events_nerrs' set but not used [-Werror,-Wunused-but-set-variable]
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# int yynerrs = 0;
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flex_flags += -Wno-unused-but-set-variable
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FLEX_LT_262 := $(call version-lt3,$(FLEX_VERSION),2.6.2)
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ifeq ($(FLEX_LT_262),1)
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flex_flags += -Wno-sign-compare
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endif
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else
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flex_flags := -w
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endif
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# Some newer clang and gcc version complain about this
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# util/parse-events-bison.c:1317:9: error: variable 'parse_events_nerrs' set but not used [-Werror,-Wunused-but-set-variable]
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# int yynerrs = 0;
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bison_flags := -DYYENABLE_NLS=0 -Wno-unused-but-set-variable
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# Old clangs don't grok -Wno-unused-but-set-variable, remove it
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ifeq ($(CC_NO_CLANG), 0)
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CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g')
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ifeq ($(call version-lt3,$(CLANG_VERSION),13.0.0),1)
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bison_flags := $(subst -Wno-unused-but-set-variable,,$(bison_flags))
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flex_flags := $(subst -Wno-unused-but-set-variable,,$(flex_flags))
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endif
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endif
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BISON_GE_382 := $(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 382)
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ifeq ($(BISON_GE_382),1)
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bison_flags += -Wno-switch-enum
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else
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bison_flags += -w
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endif
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BISON_LT_381 := $(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \< 381)
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ifeq ($(BISON_LT_381),1)
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bison_flags += -DYYNOMEM=YYABORT
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endif
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CFLAGS_parse-events-flex.o += $(flex_flags) -Wno-unused-label
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CFLAGS_pmu-flex.o += $(flex_flags)
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CFLAGS_expr-flex.o += $(flex_flags)
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CFLAGS_bpf-filter-flex.o += $(flex_flags)
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CFLAGS_parse-events-bison.o += $(bison_flags)
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CFLAGS_pmu-bison.o += -DYYLTYPE_IS_TRIVIAL=0 $(bison_flags)
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CFLAGS_expr-bison.o += -DYYLTYPE_IS_TRIVIAL=0 $(bison_flags)
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CFLAGS_bpf-filter-bison.o += -DYYLTYPE_IS_TRIVIAL=0 $(bison_flags)
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$(OUTPUT)util/parse-events.o: $(OUTPUT)util/parse-events-flex.c $(OUTPUT)util/parse-events-bison.c
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$(OUTPUT)util/pmu.o: $(OUTPUT)util/pmu-flex.c $(OUTPUT)util/pmu-bison.c
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$(OUTPUT)util/expr.o: $(OUTPUT)util/expr-flex.c $(OUTPUT)util/expr-bison.c
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$(OUTPUT)util/bpf-filter.o: $(OUTPUT)util/bpf-filter-flex.c $(OUTPUT)util/bpf-filter-bison.c
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CFLAGS_bitmap.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
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CFLAGS_find_bit.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
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|
CFLAGS_rbtree.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
|
|
CFLAGS_libstring.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
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|
CFLAGS_hweight.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(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)
|
|
|
|
ifdef SHELLCHECK
|
|
SHELL_TESTS := generate-cmdlist.sh
|
|
TEST_LOGS := $(SHELL_TESTS:%=%.shellcheck_log)
|
|
else
|
|
SHELL_TESTS :=
|
|
TEST_LOGS :=
|
|
endif
|
|
|
|
$(OUTPUT)%.shellcheck_log: %
|
|
$(call rule_mkdir)
|
|
$(Q)$(call echo-cmd,test)shellcheck -a -S warning "$<" > $@ || (cat $@ && rm $@ && false)
|
|
|
|
perf-util-y += $(TEST_LOGS)
|