From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Maciej Debski <maciejd@google.com>
Cc: Stephane Eranian <eranian@google.com>,
linux-kernel@vger.kernel.org, Jiri Olsa <jolsa@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>,
Anton Blanchard <anton@ozlabs.org>,
Namhyung Kim <namhyung@kernel.org>
Subject: Re: [PATCH 2/9] perf/jit: enable jitdump support without dwarf
Date: Thu, 13 Oct 2016 16:03:11 -0300 [thread overview]
Message-ID: <20161013190311.GJ23873@kernel.org> (raw)
In-Reply-To: <20161013185135.GI23873@kernel.org>
Em Thu, Oct 13, 2016 at 03:51:35PM -0300, Arnaldo Carvalho de Melo escreveu:
> So we need:
>
> [acme@jouet linux]$ git diff
> diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
> index 8cfc310d4358..cffdd9cf3ebf 100644
> --- a/tools/perf/Makefile.config
> +++ b/tools/perf/Makefile.config
> @@ -366,8 +366,10 @@ ifndef NO_SDT
> endif
>
> ifdef PERF_HAVE_JITDUMP
> + ifndef NO_LIBELF
> $(call detected,CONFIG_JITDUMP)
> CFLAGS += -DHAVE_JITDUMP
> + endif
> endif
>
> ifeq ($(ARCH),powerpc)
> [acme@jouet linux]$
>
> To get that fixed.
>
> Please let me know if this suits your needs.
>
> I'll now try building with elfutils static libraries to see if in that case it
> all gets linked.
After installing these packages, on fedora, i.e. installing what is
needed to statically link against libelf:
elfutils-devel-static
elfutils-libelf-devel-static
zlib-static
Then it all works, libelf is statically linked and we also statically
link the jitdump code:
$ make -C tools/perf LDFLAGS=-static O=/tmp/build/perf install-bin
$ grep libelf /tmp/build/perf/FEATURE-DUMP
feature-libelf=1
feature-libelf-getphdrnum=1
feature-libelf-gelf_getnote=1
feature-libelf-getshdrstrndx=1
feature-libelf-mmap=1
$
And:
[acme@jouet linux]$ size /tmp/build/perf/perf
text data bss dec hex filename
4478822 581702 23919240 28979764 1ba3234 /tmp/build/perf/perf
[acme@jouet linux]$
[acme@jouet linux]$ file /tmp/build/perf/perf
/tmp/build/perf/perf: ELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux), statically linked, for GNU/Linux 2.6.32, BuildID[sha1]=c2950590a0f24d76baa0ce4896414e5d523fefba, not stripped
[acme@jouet linux]$
[acme@jouet linux]$ nm /tmp/build/perf/perf | grep jit
00000000005007f0 T jit_process
0000000000501920 T jit_write_elf
0000000000431a50 t perf_event__jit_repipe_mmap
0000000000431b20 t perf_event__jit_repipe_mmap2
[acme@jouet linux]$
- Arnaldo
next prev parent reply other threads:[~2016-10-13 19:12 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-13 10:59 [PATCH 0/9] perf/jit: various improvements Stephane Eranian
2016-10-13 10:59 ` [PATCH 1/9] perf/jit: improve error messages from JVMTI Stephane Eranian
2016-10-13 20:05 ` Nilay Vaish
2016-10-14 11:13 ` Arnaldo Carvalho de Melo
2016-10-14 12:57 ` Stephane Eranian
2016-10-14 15:20 ` Arnaldo Carvalho de Melo
2016-10-17 13:52 ` Stephane Eranian
2016-10-24 18:58 ` [tip:perf/core] perf jit: Improve " tip-bot for Stephane Eranian
2016-10-13 10:59 ` [PATCH 2/9] perf/jit: enable jitdump support without dwarf Stephane Eranian
2016-10-13 18:16 ` Arnaldo Carvalho de Melo
2016-10-13 18:37 ` Arnaldo Carvalho de Melo
2016-10-13 18:51 ` Arnaldo Carvalho de Melo
2016-10-13 19:03 ` Arnaldo Carvalho de Melo [this message]
2016-10-13 19:44 ` Arnaldo Carvalho de Melo
2016-10-24 18:58 ` [tip:perf/core] perf jit: Enable " tip-bot for Maciej Debski
2016-10-13 10:59 ` [PATCH 3/9] perf/jit: remove unecessary padding in jitdump file Stephane Eranian
2016-10-24 18:59 ` [tip:perf/core] perf jit: Remove " tip-bot for Stephane Eranian
2016-10-13 10:59 ` [PATCH 4/9] perf/jit: make perf skip unknown records Stephane Eranian
2016-10-24 18:59 ` [tip:perf/core] perf jit: Make " tip-bot for Stefano Sanfilippo
2016-10-13 10:59 ` [PATCH 5/9] perf/jit: do not assume pgoff is zero Stephane Eranian
2016-10-24 19:00 ` [tip:perf/core] perf jit: Do " tip-bot for Stefano Sanfilippo
2016-10-13 10:59 ` [PATCH 6/9] perf/jit: add unwinding support Stephane Eranian
2016-10-24 19:00 ` [tip:perf/core] perf jit: Add " tip-bot for Stefano Sanfilippo
2016-10-13 10:59 ` [PATCH 7/9] perf/jit: generate .eh_frame/.eh_frame_hdr in DSO Stephane Eranian
2016-10-24 19:01 ` [tip:perf/core] perf jit: Generate " tip-bot for Stefano Sanfilippo
2016-10-13 10:59 ` [PATCH 8/9] perf/jit: Check JITHEADER_VERSION Stephane Eranian
2016-10-24 19:01 ` [tip:perf/core] perf jit: " tip-bot for Stefano Sanfilippo
2016-10-13 10:59 ` [PATCH 9/9] perf/jit: add jitdump format specification document Stephane Eranian
2016-10-24 19:02 ` [tip:perf/core] perf jit: Add " tip-bot for Stephane Eranian
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