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Message-ID: <350b905c-1ac1-3577-6b56-c13f2aeab712@huawei.com>
Date: Tue, 14 Jun 2022 17:13:32 +0100
From: John Garry <john.garry@...wei.com>
To: Ian Rogers <irogers@...gle.com>
CC: Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
"Namhyung Kim" <namhyung@...nel.org>,
Kan Liang <kan.liang@...ux.intel.com>,
Andi Kleen <ak@...ux.intel.com>,
Zhengjun Xing <zhengjun.xing@...ux.intel.com>,
"Felix Fietkau" <nbd@....name>, Qi Liu <liuqi115@...wei.com>,
Like Xu <likexu@...cent.com>, <linux-kernel@...r.kernel.org>,
<linux-perf-users@...r.kernel.org>,
Nick Forrington <nick.forrington@....com>,
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Subject: Re: [PATCH v3 0/3] Rewrite jevents program in python
On 14/06/2022 17:03, Ian Rogers wrote:
>> diff -u tools/perf/trace/beauty/include/linux/socket.h
>> include/linux/socket.h
>> Makefile.config:259: *** which python-config not found. Stop.
>> Makefile.perf:239: recipe for target 'sub-make' failed
>> make[1]: *** [sub-make] Error 2
>> Makefile:69: recipe for target 'all' failed
>> make: *** [all] Error 2
>> john@...ian:~/linux/tools/perf$
>>
>> JFYI, this is my alternatives:
>>
>> sudo update-alternatives --config python
>> There are 3 choices for the alternative python (providing
>> /usr/bin/python).
>>
>> Selection Path Priority Status
>> ------------------------------------------------------------
>> 0 /usr/local/bin/python3.6 50 auto mode
>> 1 /usr/bin/python2.7 1 manual mode
>> 2 /usr/bin/python3.5 2 manual mode
>> * 3 /usr/local/bin/python3.6 50 manual mode
>>
>> Press <enter> to keep the current choice[*], or type selection number:
> Thanks Gary,
>
> Perhaps it relates to dev packages. Perhaps, apt-get install
> python-dev-is-python3 which should resolve the symlinks. I wonder that
> you have python dev for python2 but python3 installed without the dev.
> We should be able to make a Makefile test for this.
So I was trying another system here as a sanity test (as my main dev box
is not working either). And this other system is debian and only
supports python up to 3.5, so that is why I have
/usr/local/bin/python3.6 as an alt, i.e. I downloaded and built myself.
Anyway, I do have python3-dev:
john@...ian:~/linux/tools/perf$ sudo apt-get install python3-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
python3-dev is already the newest version (3.5.3-1).
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