Re: [GIT PULL 00/38] perf/core improvements and fixes

[Ingo Molnar]

* Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxx> wrote:

> From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxxxxxxx>
> 
> Hi Ingo,
> 
> 	Please consider pulling,
> 
> - Arnaldo
> 
> The following changes since commit 89e3bbd58a6186b832fe2b9419ac2f9ab90e9089:
> 
>   Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2013-12-04 10:17:17 +0100)
> 
> are available in the git repository at:
> 
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux tags/perf-core-for-mingo

Hm, I saw such a build failure:

  CC FPIC  plugin_kmem.o
  BUILD    PLUGIN plugin_jbd2.so
plugin_jbd2.o: file not recognized: File truncated
collect2: error: ld returned 1 exit status
make[2]: *** [plugin_jbd2.so] Error 1
make[1]: *** [install-traceevent-plugins] Error 2
make[1]: *** Waiting for unfinished jobs....
  CC FPIC  plugin_kvm.o
  CC FPIC  plugin_mac80211.o

which suggests some sort of build race ...

I was doing several 'make clean; make install' runs - and the second 
run failed. Unfortunately the failure was not reproducible after that 
point - and I tried dozens of times. The test system has 12 CPUs.

The following loop attempts to build until a failure occurs:

  cd tools/perf/
  while make install; do make clean; done

Any ideas?

Thanks,

	Ingo
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