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Type:
Bug
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Resolution: Fixed
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Priority:
Trivial - P5
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Affects Version/s: None
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Component/s: Testing Infrastructure
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None
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Fully Compatible
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ALL
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TIG 2017-09-11
If we use the stdout as the output stream, a call to os.fsync(fp.fileno()) will fail.
buildscripts/collect_resource_info.py -i 3
{"command": "./executables/linux_amd64/main", "cpu_sys": 0.04, "cpu_user": 0.02, "io_read": 0, "io_wait": 0, "io_write": 53248, "mem_avail": 56044023808, "mem_total": 67419119616, "mem_used": 13115392, "num_cpus": 40, "num_threads": 6, "pid": 32807, "ppid": 13988, "timestamp": {"$date": 1502306090356}}
Traceback (most recent call last):
File "buildscripts/collect_resource_info.py", line 107, in <module>
main()
File "buildscripts/collect_resource_info.py", line 103, in main
os.fsync(fp.fileno())
OSError: [Errno 22] Invalid argument
Need to conditionally call os.fsync if options.output != '-' or potentially remove this call altogether since we already have line_buffered set. Will have to test.