linux-kernel - Re: perf tools arch Arm CMN PMU JSON files build breakage on ubuntu 18.04 cross build

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Date: Wed, 20 Dec 2023 16:37:06 +0800
From: Jing Zhang <renyu.zj@...ux.alibaba.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: kajoljain <kjain@...ux.ibm.com>,
 Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
 Ian Rogers <irogers@...gle.com>, Heiko Carstens <hca@...ux.ibm.com>,
 Thomas Richter <tmricht@...ux.ibm.com>,
 Adrian Hunter <adrian.hunter@...el.com>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
 Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
 linuxppc-dev@...ts.ozlabs.org
Subject: Re: perf tools arch Arm CMN PMU JSON files build breakage on ubuntu
 18.04 cross build



在 2023/12/15 下午10:41, Arnaldo Carvalho de Melo 写道:
> Em Fri, Dec 15, 2023 at 11:39:14AM -0300, Arnaldo Carvalho de Melo escreveu:
>> Em Mon, Mar 27, 2023 at 09:52:11AM +0530, kajoljain escreveu:
>>> On 3/23/23 18:41, Arnaldo Carvalho de Melo wrote:
>>>> Exception processing pmu-events/arch/powerpc/power9/other.json
>>>> Traceback (most recent call last):
>>>>   File "pmu-events/jevents.py", line 997, in <module>
>>>>     main()
>>>>   File "pmu-events/jevents.py", line 979, in main
>>>>     ftw(arch_path, [], preprocess_one_file)
>>>>   File "pmu-events/jevents.py", line 935, in ftw
>>>>     ftw(item.path, parents + [item.name], action)
>>>>   File "pmu-events/jevents.py", line 933, in ftw
>>>>     action(parents, item)
>>>>   File "pmu-events/jevents.py", line 514, in preprocess_one_file
>>>>     for event in read_json_events(item.path, topic):
>>>>   File "pmu-events/jevents.py", line 388, in read_json_events
>>>>     events = json.load(open(path), object_hook=JsonEvent)
>>>>   File "/usr/lib/python3.6/json/__init__.py", line 296, in load
>>>>     return loads(fp.read(),
>>>>   File "/usr/lib/python3.6/encodings/ascii.py", line 26, in decode
>>>>     return codecs.ascii_decode(input, self.errors)[0]
>>>> UnicodeDecodeError: 'ascii' codec can't decode byte 0xc2 in position 55090: ordinal not in range(128)
>>>>   CC      /tmp/build/perf/tests/expr.o
>>>> pmu-events/Build:35: recipe for target '/tmp/build/perf/pmu-events/pmu-events.c' failed
>>>> make[3]: *** [/tmp/build/perf/pmu-events/pmu-events.c] Error 1
>>>> make[3]: *** Deleting file '/tmp/build/perf/pmu-events/pmu-events.c'
>>>> Makefile.perf:679: recipe for target '/tmp/build/perf/pmu-events/pmu-events-in.o' failed
>>>> make[2]: *** [/tmp/build/perf/pmu-events/pmu-events-in.o] Error 2
>>>> make[2]: *** Waiting for unfinished jobs....
>>
>>>> Now jevents is an opt-out feature so I'm noticing these problems.
>>  
>>>     Thanks for raising it. I will check this issue.
>>
>> Now I'm seeing this on:
> 
> Jing,
> 
> 	Please take a look at:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5d9df8731c0941f3add30f96745a62586a0c9d52
> 
> 	For the fix for the ppc case above.
> 

I'm sorry for the breakage. Thanks for the catch! I will fix it soon.

Thanks,
Jing


> - Arnaldo
>  
>> Exception processing pmu-events/arch/arm64/arm/cmn/sys/cmn.json
>> Traceback (most recent call last):
>>   File "pmu-events/jevents.py", line 1285, in <module>
>>     main()
>>   File "pmu-events/jevents.py", line 1267, in main
>>     ftw(arch_path, [], preprocess_one_file)
>>   File "pmu-events/jevents.py", line 1217, in ftw
>>     ftw(item.path, parents + [item.name], action)
>>   File "pmu-events/jevents.py", line 1217, in ftw
>>     ftw(item.path, parents + [item.name], action)
>>   File "pmu-events/jevents.py", line 1217, in ftw
>>     ftw(item.path, parents + [item.name], action)
>>   File "pmu-events/jevents.py", line 1215, in ftw
>>     action(parents, item)
>>   File "pmu-events/jevents.py", line 599, in preprocess_one_file
>>     for event in read_json_events(item.path, topic):
>>   File "pmu-events/jevents.py", line 416, in read_json_events
>>     events = json.load(open(path), object_hook=JsonEvent)
>>   File "/usr/lib/python3.6/json/__init__.py", line 296, in load
>>     return loads(fp.read(),
>>   File "/usr/lib/python3.6/encodings/ascii.py", line 26, in decode
>>     return codecs.ascii_decode(input, self.errors)[0]
>> UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 3071: ordinal not in range(128)
>>
>