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Date:   Mon, 5 Nov 2018 14:11:40 -0300
From:   Arnaldo Carvalho de Melo <acme@kernel.org>
To:     Guenter Roeck <linux@roeck-us.net>
Cc:     Ingo Molnar <mingo@kernel.org>,
        Clark Williams <williams@redhat.com>,
        linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
        Arnaldo Carvalho de Melo <acme@redhat.com>,
        Adrian Hunter <adrian.hunter@intel.com>,
        David Ahern <dsahern@gmail.com>, Jiri Olsa <jolsa@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Wang Nan <wangnan0@huawei.com>
Subject: Re: [PATCH 19/28] perf beauty: Wire up the mmap flags table
 generator to the Makefile
Message-ID: <20181105171140.GD11147@kernel.org>
References: <20181031164508.4784-1-acme@kernel.org>
 <20181031164508.4784-20-acme@kernel.org>
 <20181105154433.GA11115@roeck-us.net>
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Em Mon, Nov 05, 2018 at 07:44:33AM -0800, Guenter Roeck escreveu:
> On Wed, Oct 31, 2018 at 01:44:59PM -0300, Arnaldo Carvalho de Melo wrote:
> > From: Arnaldo Carvalho de Melo <acme@redhat.com>
> > 
> > Now when we run 'make -C tools/perf O=/tmp/build/perf' we end up with:
> > 
> >   $ cat /tmp/build/perf/trace/beauty/generated/mmap_flags_array.c
> >   static const char *mmap_flags[] = {
> > 	[ilog2(0x40) + 1] = "32BIT",
> > 	[ilog2(0x01) + 1] = "SHARED",
> > 	[ilog2(0x02) + 1] = "PRIVATE",
> > 	[ilog2(0x10) + 1] = "FIXED",
> > 	[ilog2(0x20) + 1] = "ANONYMOUS",
> > 	[ilog2(0x100000) + 1] = "FIXED_NOREPLACE",
> > 	[ilog2(0x0100) + 1] = "GROWSDOWN",
> > 	[ilog2(0x0800) + 1] = "DENYWRITE",
> > 	[ilog2(0x1000) + 1] = "EXECUTABLE",
> > 	[ilog2(0x2000) + 1] = "LOCKED",
> > 	[ilog2(0x4000) + 1] = "NORESERVE",
> > 	[ilog2(0x8000) + 1] = "POPULATE",
> > 	[ilog2(0x10000) + 1] = "NONBLOCK",
> > 	[ilog2(0x20000) + 1] = "STACK",
> > 	[ilog2(0x40000) + 1] = "HUGETLB",
> > 	[ilog2(0x80000) + 1] = "SYNC",
> >   };
> >   $
> > 
> > Cc: Adrian Hunter <adrian.hunter@intel.com>
> > Cc: David Ahern <dsahern@gmail.com>
> > Cc: Jiri Olsa <jolsa@kernel.org>
> > Cc: Namhyung Kim <namhyung@kernel.org>
> > Cc: Wang Nan <wangnan0@huawei.com>
> > Link: https://lkml.kernel.org/n/tip-t3fn7u3tjsupio6e6vkufx9m@git.kernel.org
> > Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
> > ---
> >  tools/perf/Makefile.perf | 11 +++++++++++
> >  1 file changed, 11 insertions(+)
> > 
> > diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
> > index a31c5c29d53a..3ccb4f0bf088 100644
> > --- a/tools/perf/Makefile.perf
> > +++ b/tools/perf/Makefile.perf
> > @@ -1,4 +1,5 @@
> >  include ../scripts/Makefile.include
> > +include ../scripts/Makefile.arch
> >  
> >  # The default target of this Makefile is...
> >  all:
> > @@ -385,6 +386,8 @@ export INSTALL SHELL_PATH
> >  SHELL = $(SHELL_PATH)
> >  
> >  linux_uapi_dir := $(srctree)/tools/include/uapi/linux
> > +asm_generic_uapi_dir := $(srctree)/tools/include/uapi/asm-generic
> > +arch_asm_uapi_dir := $(srctree)/tools/arch/$(ARCH)/include/uapi/asm/
> >  
> 
> This doesn't work for me. With v4.20-rc1:
> 
> $ make ARCH=x86_64 defconfig
> *** Default configuration is based on 'x86_64_defconfig'

I'll fix this, its the ARCH that needs to be normalized to x86 before
building the path...

- Arnaldo

> #
> # configuration written to .config
> #
> groeck@server:~/src/linux-staging$ make ARCH=x86_64 -j30 tools/perf
> scripts/kconfig/conf  --syncconfig Kconfig
>   BUILD:   Doing 'make -j16' parallel build
>   HOSTCC   /home/groeck/src/linux-staging/tools/perf/fixdep.o
>   HOSTLD   /home/groeck/src/linux-staging/tools/perf/fixdep-in.o
>   LINK     /home/groeck/src/linux-staging/tools/perf/fixdep
> Warning: Kernel ABI header at 'tools/include/uapi/drm/i915_drm.h' differs from latest version at 'include/uapi/drm/i915_drm.h'
> diff -u tools/include/uapi/drm/i915_drm.h include/uapi/drm/i915_drm.h
> Warning: Kernel ABI header at 'tools/arch/x86/include/asm/cpufeatures.h' differs from latest version at 'arch/x86/include/asm/cpufeatures.h'
> diff -u tools/arch/x86/include/asm/cpufeatures.h arch/x86/include/asm/cpufeatures.h
> Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/ioctls.h' differs from latest version at 'include/uapi/asm-generic/ioctls.h'
> diff -u tools/include/uapi/asm-generic/ioctls.h include/uapi/asm-generic/ioctls.h
> Makefile.config:814: No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev
> Makefile.config:851: No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel
> make[4]: *** No rule to make target '/home/groeck/src/linux-staging/tools/arch/x86_64/include/uapi/asm//mman.h', needed by '/home/groeck/src/linux-staging/tools/perf/trace/beauty/generated/mmap_flags_array.c'.  Stop.
> make[4]: *** Waiting for unfinished jobs....
>   PERF_VERSION = 4.20.rc1.g6510223
> Makefile.perf:206: recipe for target 'sub-make' failed
> make[3]: *** [sub-make] Error 2
> Makefile:69: recipe for target 'all' failed
> make[2]: *** [all] Error 2
> Makefile:77: recipe for target 'perf' failed
> make[1]: *** [perf] Error 2
> Makefile:1688: recipe for target 'tools/perf' failed
> make: *** [tools/perf] Error 2
> groeck@server:~/src/linux-staging$ ls tools/arch
> alpha  arc  arm  arm64	h8300  hexagon	ia64  microblaze  mips	parisc	powerpc  s390  sh  sparc  x86  xtensa