cbbefae05e7fdaa62dd34841ed7a11798c085ca1
3 # Expects either "prepare" or "clean" argument
9 print('Please specify "prepare <SIZE>" or "clean <SIZE>" as first argument (SIZE is in KB).')
12 if (len(sys
.argv
) <= 1):
15 if (len(sys
.argv
) <= 2):
17 array_len_kb
= int(sys
.argv
[2])
18 array_len
= array_len_kb
* 1024
20 tracedir_name
= './trace-' + str(array_len_kb
) + '/'
21 output_metadata
= tracedir_name
+ 'metadata'
22 output_stream
= tracedir_name
+ 'stream'
25 def write_binary(f
, arr
):
28 def generate_metadata(array_len
):
33 'typealias integer {{ size = 8; align = 8; signed = false; base = 10; }} := uint8_t;\n'
34 'typealias integer {{ size = 32; align = 32; signed = false; base = hex; }} := uint32_t;\n'
39 ' uuid = "2a6422d0-6cee-11e0-8c08-cb07d7b3a564";\n'
41 ' packet.header := struct {{\n'
43 ' uint8_t uuid[16];\n'
49 ' fields := struct {{\n'
50 ' uint8_t field[{}]; \n'
52 '}};\n').format(array_len
)
53 metadata_f
= open(output_metadata
, 'w')
54 metadata_f
.write(metadata_str
)
57 def generate_stream(array_len
):
59 stream_packet_header
= [
60 0xC1, 0x1F, 0xFC, 0xC1, # magic
61 0x2A, 0x64, 0x22, 0xD0, 0x6C, 0xEE, 0x11, 0xE0,
62 0x8C, 0x08, 0xCB, 0x07, 0xD7, 0xB3, 0xA5, 0x64, # uuid
64 stream_f
= open(output_stream
, 'wb')
65 write_binary(stream_f
, stream_packet_header
)
66 # generate array as event content
67 os
.ftruncate(stream_f
.fileno(), len(stream_packet_header
) + array_len
)
71 print('Preparing test for array length ' + str(array_len_kb
) + ' kb')
72 os
.mkdir(tracedir_name
)
73 generate_metadata(array_len
)
74 generate_stream(array_len
)
77 print('Cleaning up test for array length ' + str(array_len_kb
) + ' kb')
79 os
.remove(output_metadata
)
83 os
.remove(output_stream
)
87 os
.rmdir(tracedir_name
)
91 if (mode
== "prepare"):
94 elif (mode
== "clean"):
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