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andikleen / pmu-tools

Intel PMU profiling tools
GNU General Public License v2.0
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UnicodeDecodeError happens when running tl-serve.py #459

Closed changzhi1990 closed 1 year ago

changzhi1990 commented 1 year ago

Hi, I meet an UnicodeDecodeError when running tl-serve.py. Here is the detailed message:

ubuntu@xx-1:~/zhi/pmu-tools$ sudo ./toplev.py -I 100 -x, -o x.csv stress --vm 1 -c 1 --vm-bytes 1024M &
[1] 3084540
stress: info: [3084561] dispatching hogs: 1 cpu, 0 io, 1 vm, 0 hdd
warning: 2 results not referenced: 9 10

ubuntu@xx-1:~/zhi/pmu-tools$ ./tl-serve.py x.csv 0.0.0.0 8000
serving at 0.0.0.0 port 8000 until Ctrl-C
192.168.0.254 - - [23/May/2023 16:11:47] "GET / HTTP/1.1" 200 -
192.168.0.254 - - [23/May/2023 16:11:47] "GET /dygraph-combined.js HTTP/1.1" 200 -
----------------------------------------
Exception occurred during processing of request from ('192.168.0.254', 51012)
Traceback (most recent call last):
  File "/usr/lib/python3.10/socketserver.py", line 316, in _handle_request_noblock
    self.process_request(request, client_address)
  File "/usr/lib/python3.10/socketserver.py", line 347, in process_request
    self.finish_request(request, client_address)
  File "/usr/lib/python3.10/socketserver.py", line 360, in finish_request
    self.RequestHandlerClass(request, client_address, self)
  File "/usr/lib/python3.10/socketserver.py", line 747, in __init__
    self.handle()
  File "/usr/lib/python3.10/http/server.py", line 432, in handle
    self.handle_one_request()
  File "/usr/lib/python3.10/http/server.py", line 420, in handle_one_request
    method()
  File "/home/ubuntu/zhi/pmu-tools/./tl-serve.py", line 284, in do_GET
    self.serve_file("dygraph-combined.js", "text/javascript")
  File "/home/ubuntu/zhi/pmu-tools/./tl-serve.py", line 277, in serve_file
    self.wfile.write(f.read())
  File "/usr/lib/python3.10/socketserver.py", line 826, in write
    self._sock.sendall(b)
TypeError: a bytes-like object is required, not 'str'
----------------------------------------
192.168.0.254 - - [23/May/2023 16:11:47] "GET /toplev.ico HTTP/1.1" 200 -
----------------------------------------
Exception occurred during processing of request from ('192.168.0.254', 51026)
Traceback (most recent call last):
  File "/usr/lib/python3.10/socketserver.py", line 316, in _handle_request_noblock
    self.process_request(request, client_address)
  File "/usr/lib/python3.10/socketserver.py", line 347, in process_request
    self.finish_request(request, client_address)
  File "/usr/lib/python3.10/socketserver.py", line 360, in finish_request
    self.RequestHandlerClass(request, client_address, self)
  File "/usr/lib/python3.10/socketserver.py", line 747, in __init__
    self.handle()
  File "/usr/lib/python3.10/http/server.py", line 432, in handle
    self.handle_one_request()
  File "/usr/lib/python3.10/http/server.py", line 420, in handle_one_request
    method()
  File "/home/ubuntu/zhi/pmu-tools/./tl-serve.py", line 286, in do_GET
    self.serve_file("toplev.ico", "image/x-icon")
  File "/home/ubuntu/zhi/pmu-tools/./tl-serve.py", line 277, in serve_file
    self.wfile.write(f.read())
  File "/usr/lib/python3.10/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0x80 in position 42: invalid start byte
----------------------------------------
192.168.0.254 - - [23/May/2023 16:11:48] "GET /toplev.ico HTTP/1.1" 200 -
----------------------------------------
Exception occurred during processing of request from ('192.168.0.254', 51036)
Traceback (most recent call last):
  File "/usr/lib/python3.10/socketserver.py", line 316, in _handle_request_noblock
    self.process_request(request, client_address)
  File "/usr/lib/python3.10/socketserver.py", line 347, in process_request
    self.finish_request(request, client_address)
  File "/usr/lib/python3.10/socketserver.py", line 360, in finish_request
    self.RequestHandlerClass(request, client_address, self)
  File "/usr/lib/python3.10/socketserver.py", line 747, in __init__
    self.handle()
  File "/usr/lib/python3.10/http/server.py", line 432, in handle
    self.handle_one_request()
  File "/usr/lib/python3.10/http/server.py", line 420, in handle_one_request
    method()
  File "/home/ubuntu/zhi/pmu-tools/./tl-serve.py", line 286, in do_GET
    self.serve_file("toplev.ico", "image/x-icon")
  File "/home/ubuntu/zhi/pmu-tools/./tl-serve.py", line 277, in serve_file
    self.wfile.write(f.read())
  File "/usr/lib/python3.10/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0x80 in position 42: invalid start byte
----------------------------------------

Has anyone experienced a similar error before? I would greatly appreciate any advice or guidance on how to resolve the issue.

Thanks