linux-kernel - Re: [PATCH V8 03/25] perf tools: Add Intel PT instruction decoder

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Message-ID: <20150812205541.GA30356@kernel.org>
Date:	Wed, 12 Aug 2015 17:55:41 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Adrian Hunter <adrian.hunter@...el.com>
Cc:	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org,
	Jiri Olsa <jolsa@...hat.com>
Subject: Re: [PATCH V8 03/25] perf tools: Add Intel PT instruction decoder

Em Fri, Jul 17, 2015 at 07:33:38PM +0300, Adrian Hunter escreveu:
> Add support for decoding instructions for Intel Processor Trace.  The
> kernel x86 instruction decoder is copied for this.
> 
> This essentially provides intel_pt_get_insn() which takes a binary
> buffer, uses the kernel's x86 instruction decoder to get details of the
> instruction and then categorizes it for consumption by an Intel PT
> decoder.


[acme@...icio linux]$ rm -rf /tmp/build/perf ; mkdir -p /tmp/build/perf ; make -C tools/perf O=/tmp/build/perf install-bin
make: Entering directory `/home/acme/git/linux/tools/perf'
  BUILD:   Doing 'make -j4' parallel build

Auto-detecting system features:
...                         dwarf: [ on  ]
...                         glibc: [ on  ]
...                          gtk2: [ on  ]
...                      libaudit: [ on  ]
...                        libbfd: [ on  ]
...                        libelf: [ on  ]
...                       libnuma: [ on  ]
...                       libperl: [ on  ]
...                     libpython: [ on  ]
...                      libslang: [ on  ]
...                     libunwind: [ on  ]
...            libdw-dwarf-unwind: [ on  ]
...                          zlib: [ on  ]
...                          lzma: [ on  ]

<SNIP>

  CC       /tmp/build/perf/util/thread-stack.o
  MKDIR    /tmp/build/perf/ui/tui/
  CC       /tmp/build/perf/ui/tui/setup.o
  CC       /tmp/build/perf/util/auxtrace.o
  MKDIR    /tmp/build/perf/ui/browsers/
  MKDIR    /tmp/build/perf/util/intel-pt-decoder/
  CC       /tmp/build/perf/ui/browsers/hists.o
  CC       /tmp/build/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.o
  MKDIR    /tmp/build/perf/ui/tui/
  CC       /tmp/build/perf/ui/tui/util.o
  GEN      /tmp/build/perf/util/intel-pt-decoder/inat-tables.c
  MKDIR    /tmp/build/perf/util/scripting-engines/
  CC       /tmp/build/perf/util/scripting-engines/trace-event-perl.o
  CC       /tmp/build/perf/util/intel-pt-decoder/intel-pt-insn-decoder.o
  CC       /tmp/build/perf/ui/tui/helpline.o
  CC       /tmp/build/perf/ui/browsers/map.o
  CC       /tmp/build/perf/ui/browsers/scripts.o
  CC       /tmp/build/perf/ui/tui/progress.o
  MKDIR    /tmp/build/perf/util/scripting-engines/
  CC       /tmp/build/perf/util/scripting-engines/trace-event-python.o
util/intel-pt-decoder/intel-pt-insn-decoder.c:26:18: fatal error: insn.c: No such file or directory
 #include <insn.c>
                  ^
compilation terminated.
<SNIP>
make[4]: *** [/tmp/build/perf/util/intel-pt-decoder/intel-pt-insn-decoder.o] Error 1
make[3]: *** [intel-pt-decoder] Error 2
make[3]: *** Waiting for unfinished jobs....
  MKDIR    /tmp/build/perf/scripts/python/Perf-Trace-Util/
  CC       /tmp/build/perf/scripts/python/Perf-Trace-Util/Context.o
make[2]: *** [util] Error 2
make[2]: *** Waiting for unfinished jobs....
  LD       /tmp/build/perf/scripts/python/Perf-Trace-Util/libperf-in.o
  LD       /tmp/build/perf/scripts/perl/Perf-Trace-Util/libperf-in.o
  LD       /tmp/build/perf/scripts/libperf-in.o
make[1]: *** [/tmp/build/perf/libperf-in.o] Error 2
make: *** [install-bin] Error 2
make: Leaving directory `/home/acme/git/linux/tools/perf'
[acme@...icio linux]$ 
 
It works if I just do:

   cd tools/perf
   make

- Arnaldo
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