Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1276156

Re: [GIT PULL 0/7] perf/core improvements and fixes

Show all headers | View raw

On Tue, Nov 24, 2015 at 09:10:42AM +0100, Ingo Molnar wrote:

SNIP

> 
>   GEN      common-cmds.h
>   CC       perf-read-vdso32
>   CC       perf-read-vdsox32
>   CC       ui/gtk/browser.o
>   CC       ui/gtk/hists.o
>   CC       ui/gtk/setup.o
>   CC       ui/gtk/util.o
>   CC       ui/gtk/helpline.o
>   CC       ui/gtk/progress.o
>   CC       ui/gtk/annotate.o
>   CC       util/abspath.o
>   CC       fd/array.o
> 
> Auto-detecting system features:
>   CC       event-parse.o
> ...                        libelf: [ on  ]
>   PERF_VERSION = 4.4.rc2.g9327ca
> ...                           bpf: [ on  ]
> 
>   CC       util/alias.o
>   CC       libbpf.o
> 
> 
> while normally we'd first do feature detection, then only do the build (knowing 
> which features to build).

the bpf lib is doing its own feature detection, to be able
to stand alone.. I'll see if we could share detected features
somehow, so sub builds don't need to do that

> 
> Occasionally it also triggers a build failure:
> 
>   CC       plugin_kvm.o
>   CC       arch/common.o
>   CC       util/db-export.o
>   LD       plugin_kmem-in.o
> fixdep: error opening depfile: ./.plugin_kmem.o.d: No such file or directory
> /home/mingo/tip/tools/build/Makefile.build:77: recipe for target 'plugin_kmem.o' 
> failed
> make[3]: *** [plugin_kmem.o] Error 2
> Makefile:189: recipe for target 'plugin_kmem-in.o' failed
> make[2]: *** [plugin_kmem-in.o] Error 2
> Makefile.perf:424: recipe for target 'install-traceevent-plugins' failed
> make[1]: *** [install-traceevent-plugins] Error 2
> make[1]: *** Waiting for unfinished jobs....
> 
> that too seems to be a result of unwanted, over-eager parallelism.

hm, haven't seen that one for long time now ;-) will check

thanks,
jirka
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[GIT PULL 0/7] perf/core improvements and fixes Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-11-23 23:10 +0100
  Re: [GIT PULL 0/7] perf/core improvements and fixes Ingo Molnar <mingo@kernel.org> - 2015-11-24 09:20 +0100
    Re: [GIT PULL 0/7] perf/core improvements and fixes Jiri Olsa <jolsa@redhat.com> - 2015-11-24 09:30 +0100
      Re: [GIT PULL 0/7] perf/core improvements and fixes Ingo Molnar <mingo@kernel.org> - 2015-11-24 09:50 +0100
        Re: [GIT PULL 0/7] perf/core improvements and fixes Jiri Olsa <jolsa@redhat.com> - 2015-11-24 10:30 +0100
          Re: [GIT PULL 0/7] perf/core improvements and fixes Jiri Olsa <jolsa@redhat.com> - 2015-11-24 10:50 +0100
            Re: [GIT PULL 0/7] perf/core improvements and fixes Ingo Molnar <mingo@kernel.org> - 2015-11-26 12:10 +0100
              Re: [GIT PULL 0/7] perf/core improvements and fixes Jiri Olsa <jolsa@redhat.com> - 2015-11-26 13:50 +0100
          Re: [GIT PULL 0/7] perf/core improvements and fixes Ingo Molnar <mingo@kernel.org> - 2015-11-26 09:00 +0100
            Re: [GIT PULL 0/7] perf/core improvements and fixes Jiri Olsa <jolsa@redhat.com> - 2015-11-26 10:10 +0100
    Re: [GIT PULL 0/7] perf/core improvements and fixes Jiri Olsa <jolsa@redhat.com> - 2015-11-24 11:30 +0100
    Re: [GIT PULL 0/7] perf/core improvements and fixes Ingo Molnar <mingo@kernel.org> - 2015-11-26 09:20 +0100

csiph-web