mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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9b07e27f88
This patch adds a --jit/-j option to perf inject. This options injects MMAP records into the perf.data file to cover the jitted code mmaps. It also emits ELF images for each function in the jidump file. Those images are created where the jitdump file is. The MMAP records point to that location as well. Typical flow: $ perf record -k mono -- java -agentpath:libpjvmti.so java_class $ perf inject --jit -i perf.data -o perf.data.jitted $ perf report -i perf.data.jitted Note that jitdump.h support is not limited to Java, it works with any jitted environment modified to emit the jitdump file format, include those where code can be jitted multiple times and moved around. The jitdump.h format is adapted from the Oprofile project. The genelf.c (ELF binary generation) depends on MD5 hash encoding for the buildid. To enable this, libssl-dev must be installed. If not, then genelf.c defaults to using urandom to generate the buildid, which is not ideal. The Makefile auto-detects the presence on libssl-dev. This version mmaps the jitdump file to create a marker MMAP record in the perf.data file. The marker is used to detect jitdump and cause perf inject to inject the jitted mmaps and generate ELF images for jitted functions. In V8, the following fixes and changes were made among other things: - the jidump header format include a new flags field to be used to carry information about the configuration of the runtime agent. Contributed by: Adrian Hunter <adrian.hunter@intel.com> - Fix mmap pgoff: MMAP event pgoff must be the offset within the ELF file at which the code resides. Contributed by: Adrian Hunter <adrian.hunter@intel.com> - Fix ELF virtual addresses: perf tools expect the ELF virtual addresses of dynamic objects to match the file offset. Contributed by: Adrian Hunter <adrian.hunter@intel.com> - JIT MMAP injection does not obey finished_round semantics. JIT MMAP injection injects all MMAP events in one go, so it does not obey finished_round semantics, so drop the finished_round events from the output perf.data file. Contributed by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Stephane Eranian <eranian@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Carl Love <cel@us.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: John McCutchan <johnmccutchan@google.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sonny Rao <sonnyrao@chromium.org> Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Link: http://lkml.kernel.org/r/1448874143-7269-3-git-send-email-eranian@google.com [ Moved inject.build_ids ordering bits to a separate patch, fixed the NO_LIBELF=1 build ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
168 lines
5.0 KiB
Plaintext
168 lines
5.0 KiB
Plaintext
libperf-y += abspath.o
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libperf-y += alias.o
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libperf-y += annotate.o
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libperf-y += build-id.o
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libperf-y += config.o
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libperf-y += ctype.o
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libperf-y += db-export.o
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libperf-y += env.o
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libperf-y += event.o
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libperf-y += evlist.o
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libperf-y += evsel.o
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libperf-y += find_bit.o
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libperf-y += kallsyms.o
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libperf-y += levenshtein.o
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libperf-y += llvm-utils.o
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libperf-y += parse-events.o
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libperf-y += perf_regs.o
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libperf-y += path.o
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libperf-y += rbtree.o
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libperf-y += libstring.o
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libperf-y += bitmap.o
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libperf-y += hweight.o
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libperf-y += quote.o
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libperf-y += strbuf.o
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libperf-y += string.o
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libperf-y += strlist.o
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libperf-y += strfilter.o
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libperf-y += top.o
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libperf-y += usage.o
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libperf-y += wrapper.o
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libperf-y += dso.o
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libperf-y += symbol.o
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libperf-y += color.o
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libperf-y += header.o
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libperf-y += callchain.o
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libperf-y += values.o
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libperf-y += debug.o
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libperf-y += machine.o
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libperf-y += map.o
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libperf-y += pstack.o
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libperf-y += session.o
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libperf-y += ordered-events.o
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libperf-y += comm.o
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libperf-y += thread.o
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libperf-y += thread_map.o
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libperf-y += trace-event-parse.o
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libperf-y += parse-events-flex.o
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libperf-y += parse-events-bison.o
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libperf-y += pmu.o
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libperf-y += pmu-flex.o
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libperf-y += pmu-bison.o
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libperf-y += trace-event-read.o
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libperf-y += trace-event-info.o
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libperf-y += trace-event-scripting.o
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libperf-y += trace-event.o
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libperf-y += svghelper.o
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libperf-y += sort.o
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libperf-y += hist.o
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libperf-y += util.o
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libperf-y += xyarray.o
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libperf-y += cpumap.o
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libperf-y += cgroup.o
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libperf-y += target.o
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libperf-y += rblist.o
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libperf-y += intlist.o
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libperf-y += vdso.o
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libperf-y += counts.o
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libperf-y += stat.o
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libperf-y += stat-shadow.o
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libperf-y += record.o
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libperf-y += srcline.o
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libperf-y += data.o
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libperf-$(CONFIG_X86) += tsc.o
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libperf-$(CONFIG_AUXTRACE) += tsc.o
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libperf-y += cloexec.o
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libperf-y += thread-stack.o
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libperf-$(CONFIG_AUXTRACE) += auxtrace.o
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libperf-$(CONFIG_AUXTRACE) += intel-pt-decoder/
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libperf-$(CONFIG_AUXTRACE) += intel-pt.o
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libperf-$(CONFIG_AUXTRACE) += intel-bts.o
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libperf-y += parse-branch-options.o
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libperf-y += parse-regs-options.o
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libperf-y += term.o
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libperf-y += help-unknown-cmd.o
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libperf-$(CONFIG_LIBBPF) += bpf-loader.o
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libperf-$(CONFIG_BPF_PROLOGUE) += bpf-prologue.o
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libperf-$(CONFIG_LIBELF) += symbol-elf.o
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libperf-$(CONFIG_LIBELF) += probe-file.o
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libperf-$(CONFIG_LIBELF) += probe-event.o
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ifndef CONFIG_LIBELF
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libperf-y += symbol-minimal.o
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endif
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libperf-$(CONFIG_DWARF) += probe-finder.o
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libperf-$(CONFIG_DWARF) += dwarf-aux.o
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libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
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libperf-$(CONFIG_LIBUNWIND) += unwind-libunwind.o
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libperf-$(CONFIG_LIBBABELTRACE) += data-convert-bt.o
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libperf-y += scripting-engines/
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libperf-$(CONFIG_ZLIB) += zlib.o
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libperf-$(CONFIG_LZMA) += lzma.o
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libperf-y += demangle-java.o
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libperf-$(CONFIG_LIBELF) += jitdump.o
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libperf-$(CONFIG_LIBELF) += genelf.o
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CFLAGS_config.o += -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
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$(OUTPUT)util/parse-events-flex.c: 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 $@ --header-file=$(OUTPUT)util/parse-events-flex.h $(PARSER_DEBUG_FLEX) util/parse-events.l
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$(OUTPUT)util/parse-events-bison.c: util/parse-events.y
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$(call rule_mkdir)
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$(Q)$(call echo-cmd,bison)$(BISON) -v util/parse-events.y -d $(PARSER_DEBUG_BISON) -o $@ -p parse_events_
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$(OUTPUT)util/pmu-flex.c: 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 $@ --header-file=$(OUTPUT)util/pmu-flex.h util/pmu.l
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$(OUTPUT)util/pmu-bison.c: util/pmu.y
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$(call rule_mkdir)
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$(Q)$(call echo-cmd,bison)$(BISON) -v util/pmu.y -d -o $@ -p perf_pmu_
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CFLAGS_parse-events-flex.o += -w
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CFLAGS_pmu-flex.o += -w
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CFLAGS_parse-events-bison.o += -DYYENABLE_NLS=0 -w
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CFLAGS_pmu-bison.o += -DYYENABLE_NLS=0 -DYYLTYPE_IS_TRIVIAL=0 -w
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$(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 $(OUTPUT)util/pmu-bison.c
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CFLAGS_bitmap.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(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))"
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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))"
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CFLAGS_parse-events.o += -Wno-redundant-decls
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$(OUTPUT)util/kallsyms.o: ../lib/symbol/kallsyms.c FORCE
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$(call rule_mkdir)
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$(call if_changed_dep,cc_o_c)
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$(OUTPUT)util/bitmap.o: ../lib/bitmap.c FORCE
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$(call rule_mkdir)
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$(call if_changed_dep,cc_o_c)
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$(OUTPUT)util/find_bit.o: ../lib/find_bit.c FORCE
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$(call rule_mkdir)
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$(call if_changed_dep,cc_o_c)
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$(OUTPUT)util/rbtree.o: ../lib/rbtree.c FORCE
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$(call rule_mkdir)
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$(call if_changed_dep,cc_o_c)
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$(OUTPUT)util/libstring.o: ../lib/string.c FORCE
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$(call rule_mkdir)
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$(call if_changed_dep,cc_o_c)
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$(OUTPUT)util/hweight.o: ../lib/hweight.c FORCE
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$(call rule_mkdir)
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$(call if_changed_dep,cc_o_c)
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