Messages in this thread | | | Subject | Re: Intermittent perf build failures | From | Laura Abbott <> | Date | Wed, 12 Oct 2016 11:18:26 -0700 |
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On 10/12/2016 03:12 AM, Jiri Olsa wrote: > On Tue, Oct 11, 2016 at 02:18:49PM -0700, Laura Abbott wrote: >> On 10/11/2016 01:59 PM, Jiri Olsa wrote: >>> On Tue, Oct 11, 2016 at 01:43:36PM -0700, Laura Abbott wrote: >>>> Hi, >>>> >>>> While building today's Fedora rawhide kernel, there was a failure >>>> building perf with -j4 [1]: > > ok, the -j 4 is the problem > > running "make -j 4 install-bin install-traceevent-plugins" > > BUILD: Doing 'make -j4' parallel build > BUILD: Doing 'make -j4' parallel build > > will run paralel make instances for install-bin and install-traceevent-plugins > which will eventually touch same files and crash.. > > the main perf Makefile is actualy detecting number of cpus > and runs Makefile.perf with -j X option so there's no need > to specify it on top level.. you can always customize it via > JOBS=X make variable > > so if you don't specify the -j X option it will run the > 'Makefile.perf install-bin install-traceevent-plugins' with > -j X set and it should execute sequentialy and fix your problem >
Thanks for pointing that out. The build command has been there a while and apparently has bit rotted. I've removed the extra -j X flags from the command.
> thanks, > jirka >
Thanks, Laura
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