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Re: [PATCH 2/9] perf build: Pass O option to Makefile.perf in build-test

From Arnaldo Carvalho de Melo <acme@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH 2/9] perf build: Pass O option to Makefile.perf in build-test
Date 2016-01-14 15:40 +0100
Message-ID <qQRe9-8oq-13@gated-at.bofh.it> (permalink)
References <qQsz8-7YE-5@gated-at.bofh.it> <qQsIO-84i-15@gated-at.bofh.it> <qQMxQ-54U-19@gated-at.bofh.it> <qQMRd-5dh-27@gated-at.bofh.it>
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Em Thu, Jan 14, 2016 at 05:56:06PM +0800, Wangnan (F) escreveu:
> 
> 
> On 2016/1/14 17:32, Jiri Olsa wrote:
> >On Wed, Jan 13, 2016 at 12:17:15PM +0000, Wang Nan wrote:
> >>Doesn't like tools/perf/Makefile, tools/perf/Makefile.perf obey 'O'
> >>option when it is passed through cmdline only, because of code in
> >>tools/scripts/Makefile.include:
> >>
> >>  ifneq ($(O),)
> >>  ifeq ($(origin O), command line)
> >>  	...
> >>  	ABSOLUTE_O := $(shell cd $(O) ; pwd)
> >>  	OUTPUT := $(ABSOLUTE_O)/$(if $(subdir),$(subdir)/)
> >>  endif
> >>  endif
> >>
> >>This patch passes 'O' to Makefile.perf through cmdline explicitly
> >>to make it follow O variable during build-test.
> >>
> >>Signed-off-by: Wang Nan <wangnan0@huawei.com>
> >>Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
> >>Cc: Jiri Olsa <jolsa@kernel.org>
> >>Cc: Namhyung Kim <namhyung@kernel.org>
> >>---
> >>  tools/perf/tests/make | 12 ++++++++++--
> >>  1 file changed, 10 insertions(+), 2 deletions(-)
> >>
> >>diff --git a/tools/perf/tests/make b/tools/perf/tests/make
> >>index c0ee679..14d7b8d 100644
> >>--- a/tools/perf/tests/make
> >>+++ b/tools/perf/tests/make
> >>@@ -5,7 +5,7 @@ ifeq ($(MAKECMDGOALS),)
> >>  # no target specified, trigger the whole suite
> >>  all:
> >>  	@echo "Testing Makefile";      $(MAKE) -sf tests/make MK=Makefile
> >>-	@echo "Testing Makefile.perf"; $(MAKE) -sf tests/make MK=Makefile.perf SET_PARALLEL=1
> >>+	@echo "Testing Makefile.perf"; $(MAKE) -sf tests/make MK=Makefile.perf SET_PARALLEL=1 SET_O=1
> >>  else
> >>  # run only specific test over 'Makefile'
> >>  %:
> >>@@ -13,6 +13,14 @@ else
> >>  endif
> >>  else
> >>  PERF := .
> >>+O_OPT :=
> >>+
> >>+ifneq ($(O),)
> >>+  FULL_O := $(shell readlink -f $(O) || echo $(O))
> >>+  ifeq ($(SET_O),1)
> >>+    O_OPT := 'O=$(FULL_O)'
> >>+  endif
> >>+endif
> >>  PARALLEL_OPT=
> >>  ifeq ($(SET_PARALLEL),1)
> >>@@ -261,7 +269,7 @@ clean := @(cd $(PERF); make -s -f $(MK) clean >/dev/null)
> >>  $(run):
> >>  	$(call clean)
> >>  	@TMP_DEST=$$(mktemp -d); \
> >>-	cmd="cd $(PERF) && make -f $(MK) $(PARALLEL_OPT) DESTDIR=$$TMP_DEST $($@)"; \
> >>+	cmd="cd $(PERF) && make -f $(MK) $(PARALLEL_OPT) $(O_OPT) DESTDIR=$$TMP_DEST $($@)"; \
> >hum, but this set is to test make without O=... so why would you set it?
> >run_O is the target for O=... tests
> 
> I have strong motivation to avoid polluting source directory.

yeah!
 
> I have different platforms and sometime I want to build them
> (cross-compile) parallelly. I use yocto for this. Yocto appends 'O'
> automatically. This is good for building, but when I use the
> framework for build-test I have to manually adjust the generated
> scripts (and it would be regenerated again in next run) to make it
> work, and also I'm unable to test them in parallel.
> 
> For people who don't care about this, $(O_OPT) is empty so he/she
> still tests without 'O=...' case.
> 
> Thank you.

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[PATCH 0/9] perf build: Make build-test faster Wang Nan <wangnan0@huawei.com> - 2016-01-13 13:20 +0100
  [PATCH 3/9] perf build: Test correct path of perf in build-test Wang Nan <wangnan0@huawei.com> - 2016-01-13 13:20 +0100
    Re: [PATCH 3/9] perf build: Test correct path of perf in build-test Jiri Olsa <jolsa@redhat.com> - 2016-01-14 11:00 +0100
      Re: [PATCH 3/9] perf build: Test correct path of perf in build-test "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-14 11:00 +0100
    Re: [PATCH 3/9] perf build: Test correct path of perf in build-test Jiri Olsa <jolsa@redhat.com> - 2016-01-14 11:00 +0100
    Re: [PATCH 3/9] perf build: Test correct path of perf in build-test Jiri Olsa <jolsa@redhat.com> - 2016-01-14 11:10 +0100
    Re: [PATCH 3/9] perf build: Test correct path of perf in build-test Jiri Olsa <jolsa@redhat.com> - 2016-01-14 11:10 +0100
      Re: [PATCH 3/9] perf build: Test correct path of perf in build-test "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-14 11:20 +0100
  [PATCH 9/9] perf build: Use feature dump file for build-test Wang Nan <wangnan0@huawei.com> - 2016-01-13 13:20 +0100
    Re: [PATCH 9/9] perf build: Use feature dump file for build-test Jiri Olsa <jolsa@redhat.com> - 2016-01-14 11:20 +0100
      Re: [PATCH 9/9] perf build: Use feature dump file for build-test "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-14 11:30 +0100
        Re: [PATCH 9/9] perf build: Use feature dump file for build-test Jiri Olsa <jolsa@redhat.com> - 2016-01-14 13:50 +0100
    Re: [PATCH 9/9] perf build: Use feature dump file for build-test Jiri Olsa <jolsa@redhat.com> - 2016-01-14 11:30 +0100
  [PATCH 4/9] perf build: Pass O option to kernel makefile in build-test Wang Nan <wangnan0@huawei.com> - 2016-01-13 13:20 +0100
  [PATCH 5/9] perf build: Add feature-dump target Wang Nan <wangnan0@huawei.com> - 2016-01-13 13:20 +0100
  [PATCH 7/9] tools build: Allow subprojects select all feature checkers Wang Nan <wangnan0@huawei.com> - 2016-01-13 13:20 +0100
  [PATCH 8/9] perf build: Select all feature checkers for feature-dump Wang Nan <wangnan0@huawei.com> - 2016-01-13 13:30 +0100
    Re: [PATCH 8/9] perf build: Select all feature checkers for  feature-dump Jiri Olsa <jolsa@redhat.com> - 2016-01-14 11:20 +0100
  [PATCH 2/9] perf build: Pass O option to Makefile.perf in build-test Wang Nan <wangnan0@huawei.com> - 2016-01-13 13:30 +0100
    Re: [PATCH 2/9] perf build: Pass O option to Makefile.perf in  build-test Jiri Olsa <jolsa@redhat.com> - 2016-01-14 10:40 +0100
      Re: [PATCH 2/9] perf build: Pass O option to Makefile.perf in build-test "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-14 11:00 +0100
        Re: [PATCH 2/9] perf build: Pass O option to Makefile.perf in  build-test Jiri Olsa <jolsa@redhat.com> - 2016-01-14 15:40 +0100
          Re: [PATCH 2/9] perf build: Pass O option to Makefile.perf in  build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-14 15:50 +0100
          Re: [PATCH 2/9] perf build: Pass O option to Makefile.perf in build-test pi3orama <pi3orama@163.com> - 2016-01-14 16:30 +0100
        Re: [PATCH 2/9] perf build: Pass O option to Makefile.perf in  build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-14 15:40 +0100
  [PATCH 6/9] perf build: Introduce FEATURES_DUMP make variable Wang Nan <wangnan0@huawei.com> - 2016-01-13 13:30 +0100
  Re: [PATCH 0/9] perf build: Make build-test faster "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-14 03:00 +0100

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