linux-kernel - Re: [PATCH 05/53] perf tools: Test correct path of perf in build-test

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Message-ID: <20160111220618.GK18367@kernel.org>
Date:	Mon, 11 Jan 2016 19:06:18 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Wang Nan <wangnan0@...wei.com>
Cc:	linux-kernel@...r.kernel.org, pi3orama@....com, lizefan@...wei.com,
	netdev@...r.kernel.org, davem@...emloft.net,
	Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>
Subject: Re: [PATCH 05/53] perf tools: Test correct path of perf in build-test

Em Mon, Jan 11, 2016 at 12:24:56PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Mon, Jan 11, 2016 at 01:47:56PM +0000, Wang Nan escreveu:
> > If an 'O' is passed to 'make build-test', many 'test -x' and 'test -f'
> > will fail because perf resides in a different directory. Fix this by
> > computing PERF_OUT according to 'O' and test correct output files.
> > For make_kernelsrc and make_kernelsrc_tools, set KBUILD_OUTPUT_DIR
> > instead because the path is different from others ($(O)/perf vs
> >  $(O)/tools/perf).
> 
> Ok, applying up to this patch I now manage to almost cleanly build it using O=,
> see below, but seems that we have some race, as not all tests end up producing
> such warnings.
> 
> [acme@...icio linux]$ rm -rf /tmp/build/perf ; mkdir -p /tmp/build/perf ; make O=/tmp/build/perf -C tools/perf build-test
> make: Entering directory `/home/acme/git/linux/tools/perf'
> Testing Makefile
> - make_no_libperl: cd . && make -f Makefile   DESTDIR=/tmp/tmp.m1nXBMqhSA NO_LIBPERL=1
> find: ‘/tmp/build/perf/util/trace-event-scripting.o’: No such file or directory

Well, it is happening even without O=:


[acme@...icio linux]$ perf stat make -C tools/perf build-test
make: Entering directory `/home/acme/git/linux/tools/perf'
Testing Makefile
- make_doc: cd . && make -f Makefile   DESTDIR=/tmp/tmp.H8z3S3cEJ0 doc
- make_install_bin: cd . && make -f Makefile   DESTDIR=/tmp/tmp.njIAPXMF7f install-bin
- make_install_prefix: cd . && make -f Makefile   DESTDIR=/tmp/tmp.9FEKGBoeyN install prefix=/tmp/krava
- make_no_gtk2: cd . && make -f Makefile   DESTDIR=/tmp/tmp.nHl593wfMP NO_GTK2=1
- make_util_map_o: cd . && make -f Makefile   DESTDIR=/tmp/tmp.ZSmZP490hX util/map.o
- make_no_slang: cd . && make -f Makefile   DESTDIR=/tmp/tmp.7q24C1xmcu NO_SLANG=1
- make_pure: cd . && make -f Makefile   DESTDIR=/tmp/tmp.R51cy8kdWl 
- make_no_libpython: cd . && make -f Makefile   DESTDIR=/tmp/tmp.3t9tEc0e4b NO_LIBPYTHON=1
- make_no_libbionic: cd . && make -f Makefile   DESTDIR=/tmp/tmp.4yYelFUaq0 NO_LIBBIONIC=1
- make_no_newt: cd . && make -f Makefile   DESTDIR=/tmp/tmp.3Fg7hv3Hn1 NO_NEWT=1
- make_tags: cd . && make -f Makefile   DESTDIR=/tmp/tmp.8WMgskFkOH tags
- make_install: cd . && make -f Makefile   DESTDIR=/tmp/tmp.YQq3wOEkyB install
- make_no_libdw_dwarf_unwind: cd . && make -f Makefile   DESTDIR=/tmp/tmp.WKRVFDA2ty NO_LIBDW_DWARF_UNWIND=1
find: ‘/home/acme/git/linux/tools/perf/.gtk-in.o.cmd’: No such file or directory
find: ‘/home/acme/git/linux/tools/perf/builtin-script.o’: No such file or directory
- make_no_libunwind: cd . && make -f Makefile   DESTDIR=/tmp/tmp.SQftzGTUYf NO_LIBUNWIND=1
- make_no_auxtrace: cd . && make -f Makefile   DESTDIR=/tmp/tmp.Xy2xrSCVuO NO_AUXTRACE=1
- make_no_ui: cd . && make -f Makefile   DESTDIR=/tmp/tmp.ZFNEHWqQFN NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
- make_no_libnuma: cd . && make -f Makefile   DESTDIR=/tmp/tmp.68zRtMaEqf NO_LIBNUMA=1
- make_no_backtrace: cd . && make -f Makefile   DESTDIR=/tmp/tmp.5xcea8XfdC NO_BACKTRACE=1
find: ‘/home/acme/git/linux/tools/perf/arch/x86/tests/dwarf-unwind.o’: No such file or directory
- make_install_prefix_slash: cd . && make -f Makefile   DESTDIR=/tmp/tmp.2c5BqUKGef install prefix=/tmp/krava/
find: ‘/home/acme/git/linux/tools/perf/builtin-record.o’: No such file or directory
find: ‘/home/acme/git/linux/tools/perf/builtin-inject.o’: No such file or directory
find: ‘/home/acme/git/linux/tools/perf/builtin-bench.o’: No such file or directory
find: ‘/home/acme/git/linux/tools/perf/.builtin-lock.o.cmd’: No such file or directory
find: ‘/home/acme/git/linux/tools/perf/perf.o’: No such file or directory
find: ‘/home/acme/git/linux/tools/perf/scripts/.libperf-in.o.cmd’: No such file or directory
find: ‘/home/acme/git/linux/tools/perf/tests/evsel-tp-sched.o’: No such file or directory
find: ‘/home/acme/git/linux/tools/perf/tests/hists_cumulate.o’: No such file or directory
- make_util_pmu_bison_o: cd . && make -f Makefile   DESTDIR=/tmp/tmp.aJUWyFbXsp util/pmu-bis