Add dedicated README and borrow linux .gitignore
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.gitignore
vendored
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.gitignore
vendored
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PERF-CFLAGS
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PERF-GUI-VARS
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PERF-VERSION-FILE
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FEATURE-DUMP
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perf
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perf-read-vdso32
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perf-read-vdsox32
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perf-help
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perf-record
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perf-report
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perf-stat
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perf-top
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perf*.1
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perf*.xml
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perf*.html
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common-cmds.h
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perf.data
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perf.data.old
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output.svg
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perf-archive
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perf-with-kcore
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tags
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TAGS
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cscope*
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config.mak
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config.mak.autogen
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*-bison.*
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*-flex.*
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*.pyc
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*.pyo
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.config-detected
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util/intel-pt-decoder/inat-tables.c
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arch/*/include/generated/
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trace/beauty/generated/
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pmu-events/pmu-events.c
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pmu-events/jevents
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#
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# NOTE! Don't add files that are generated in specific
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# subdirectories here. Add them in the ".gitignore" file
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# in that subdirectory instead.
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#
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# NOTE! Please use 'git ls-files -i --exclude-standard'
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# command after changing this file, to see if there are
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# any tracked files which get ignored after the change.
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#
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# Normal rules (sorted alphabetically)
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#
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.*
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*.a
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*.asn1.[ch]
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*.bin
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*.bz2
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*.c.[012]*.*
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*.dtb
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*.dtb.S
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*.dwo
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*.elf
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*.gcno
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*.gz
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*.i
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*.ko
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*.lex.c
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*.ll
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*.lst
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*.lz4
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*.lzma
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*.lzo
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*.mod.c
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*.o
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*.o.*
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*.order
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*.patch
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*.s
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*.so
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*.so.dbg
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*.su
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*.symtypes
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*.tab.[ch]
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*.tar
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*.xz
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Module.symvers
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modules.builtin
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#
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# RPM spec file (make rpm-pkg)
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#
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/*.spec
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#
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# git files that we don't want to ignore even if they are dot-files
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#
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!.gitignore
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!.mailmap
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!.cocciconfig
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!.clang-format
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#
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# Generated include files
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#
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include/config
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include/generated
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include/ksym
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arch/*/include/generated
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# stgit generated dirs
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patches-*
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# quilt's files
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patches
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series
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# cscope files
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cscope.*
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ncscope.*
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# gnu global files
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GPATH
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GRTAGS
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GSYMS
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GTAGS
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# id-utils files
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ID
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*.orig
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*~
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\#*#
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#
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# Leavings from module signing
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#
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extra_certificates
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signing_key.pem
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signing_key.priv
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signing_key.x509
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x509.genkey
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# Kconfig presets
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all.config
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# Kdevelop4
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*.kdev4
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23
README.md
Normal file
23
README.md
Normal file
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@ -0,0 +1,23 @@
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# Perf, `eh_elf` flavour
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This repository contains a fork of perf, the profiler from the Linux kernel
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repository, modified in a way to interface it with `eh_elfs` and (hopefully)
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speeding it up on complicated DWARF frames
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## Compiling
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Clone the
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[Linux kernel repository](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git)
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or get a tarball of its source tree,
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then replace the `tools/perf` directory with a clone of this repo.
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Then, `cd tools/perf` and `make`, without forgetting to give the compilation
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tools the right version of `libunwind`, eg. by setting `LD_RUN_PATH` and
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`LIBUNWIND_DIR`:
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```sh
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export LD_RUN_PATH=$HOME/local/libunwind/lib
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export LIBUNWIND_DIR=$HOME/local/libunwind
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make
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```
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This works at least with the linux repository at v4.17-rc5
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