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Message-ID: <9814866a-8f9d-4d82-ad2d-4b36203aa196@arm.com>
Date: Thu, 13 Jun 2024 16:10:39 +0100
From: James Clark <james.clark@....com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Ian Rogers <irogers@...gle.com>, Peter Zijlstra <peterz@...radead.org>,
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Subject: Re: [PATCH v1 0/7] Refactor perf python module build
On 13/06/2024 15:15, Arnaldo Carvalho de Melo wrote:
> On Thu, Jun 13, 2024 at 10:27:15AM +0100, James Clark wrote:
>> On 12/06/2024 19:31, Ian Rogers wrote:
>>> Refactor the perf python module build to instead of building C files
>>> it links libraries. To support this make static libraries for tests,
>>> ui, util and pmu-events. Doing this allows fewer functions to be
>>> stubbed out, importantly parse_events is no longer stubbed out which
>>> will improve the ability to work with heterogeneous cores.
>>>
>>> Patches 1 to 5 add static libraries for existing parts of the perf
>>> build.
>>>
>>> Patch 6 adds the python build using libraries rather than C source
>>> files.
>>>
>>> Patch 7 cleans up the python dependencies and removes the no longer
>>> needed python-ext-sources.
>>>
>>
>> Reviewed-by: James Clark <james.clark@....com>
>>
>> It does require a clean build to avoid some -fPIC errors presumably
>> because not everything that requires it gets rebuilt, for anyone who
>> gets stuck on that.
>
> We need to find a way to avoid requiring the 'make clean' :-/
>
> - Arnaldo
>
Do we need to make it so that if any of the Makefiles are touched it
does a clean? I'm assuming that was the cause of the issue I experienced
here and that the Makefile and/or Build files aren't mentioned as
dependencies of any target.
>>> Ian Rogers (7):
>>> perf ui: Make ui its own library
>>> perf pmu-events: Make pmu-events a library
>>> perf test: Make tests its own library
>>> perf bench: Make bench its own library
>>> perf util: Make util its own library
>>> perf python: Switch module to linking libraries from building source
>>> perf python: Clean up build dependencies
>>>
>>> tools/perf/Build | 14 +-
>>> tools/perf/Makefile.config | 5 +
>>> tools/perf/Makefile.perf | 66 ++-
>>> tools/perf/arch/Build | 4 +-
>>> tools/perf/arch/arm/Build | 4 +-
>>> tools/perf/arch/arm/tests/Build | 8 +-
>>> tools/perf/arch/arm/util/Build | 10 +-
>>> tools/perf/arch/arm64/Build | 4 +-
>>> tools/perf/arch/arm64/tests/Build | 8 +-
>>> tools/perf/arch/arm64/util/Build | 20 +-
>>> tools/perf/arch/csky/Build | 2 +-
>>> tools/perf/arch/csky/util/Build | 6 +-
>>> tools/perf/arch/loongarch/Build | 2 +-
>>> tools/perf/arch/loongarch/util/Build | 8 +-
>>> tools/perf/arch/mips/Build | 2 +-
>>> tools/perf/arch/mips/util/Build | 6 +-
>>> tools/perf/arch/powerpc/Build | 4 +-
>>> tools/perf/arch/powerpc/tests/Build | 6 +-
>>> tools/perf/arch/powerpc/util/Build | 24 +-
>>> tools/perf/arch/riscv/Build | 2 +-
>>> tools/perf/arch/riscv/util/Build | 8 +-
>>> tools/perf/arch/s390/Build | 2 +-
>>> tools/perf/arch/s390/util/Build | 16 +-
>>> tools/perf/arch/sh/Build | 2 +-
>>> tools/perf/arch/sh/util/Build | 2 +-
>>> tools/perf/arch/sparc/Build | 2 +-
>>> tools/perf/arch/sparc/util/Build | 2 +-
>>> tools/perf/arch/x86/Build | 6 +-
>>> tools/perf/arch/x86/tests/Build | 20 +-
>>> tools/perf/arch/x86/util/Build | 42 +-
>>> tools/perf/bench/Build | 46 +-
>>> tools/perf/scripts/Build | 4 +-
>>> tools/perf/scripts/perl/Perf-Trace-Util/Build | 2 +-
>>> .../perf/scripts/python/Perf-Trace-Util/Build | 2 +-
>>> tools/perf/tests/Build | 140 +++----
>>> tools/perf/tests/workloads/Build | 12 +-
>>> tools/perf/ui/Build | 18 +-
>>> tools/perf/ui/browsers/Build | 14 +-
>>> tools/perf/ui/tui/Build | 8 +-
>>> tools/perf/util/Build | 394 +++++++++---------
>>> tools/perf/util/arm-spe-decoder/Build | 2 +-
>>> tools/perf/util/cs-etm-decoder/Build | 2 +-
>>> tools/perf/util/hisi-ptt-decoder/Build | 2 +-
>>> tools/perf/util/intel-pt-decoder/Build | 2 +-
>>> tools/perf/util/perf-regs-arch/Build | 18 +-
>>> tools/perf/util/python-ext-sources | 53 ---
>>> tools/perf/util/python.c | 271 +++++-------
>>> tools/perf/util/scripting-engines/Build | 4 +-
>>> tools/perf/util/setup.py | 33 +-
>>> 49 files changed, 612 insertions(+), 722 deletions(-)
>>> delete mode 100644 tools/perf/util/python-ext-sources
>>>
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