66 lines
1.6 KiB
Python
Executable File
66 lines
1.6 KiB
Python
Executable File
#!/usr/bin/python3
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#
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# https://bugzilla.redhat.com/show_bug.cgi?id=665817
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#
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# Usage:
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#
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# virt-top --csv data.csv
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# processcsv.py < data.csv
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#
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# Note this OVERWRITES the following files in the current directory:
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#
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# global.csv # all the global data
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# domain<NN>.csv # data for domain ID <NN> (multiple files)
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import sys
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import csv
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rows = csv.reader (sys.stdin)
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# Get the header row.
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header = next(rows)
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# Find the index of the 'Hostname' and 'Time' cols (usually first two).
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hostname_i = header.index ("Hostname")
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time_i = header.index ("Time")
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# Find the index of the 'Domain ID' column (i) and the number of
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# columns per domain (w).
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i = header.index ("Domain ID")
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w = len (header) - i
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dom_header = header[i:i+w]
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dom_header.insert (0, "Hostname")
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dom_header.insert (1, "Time")
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gfile = open ("global.csv", "w")
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gfile_writer = csv.writer (gfile)
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gfile_writer.writerow (header[0:i])
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dfiles = dict()
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# Process all the remaining data rows.
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for data in rows:
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# Global data is columns 0..i-1
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gfile_writer.writerow (data[0:i])
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hostname = data[hostname_i]
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time = data[time_i]
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# For each domain ...
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for j in range(i,len(data),w):
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dom = data[j:j+w]
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domid = dom[0]
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if domid in dfiles:
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dfile_writer = dfiles[domid]
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else:
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dfile = open ("domain%s.csv" % domid, "w")
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dfile_writer = csv.writer (dfile)
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dfile_writer.writerow (dom_header)
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dfiles[domid] = dfile_writer
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dom.insert (0, hostname)
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dom.insert (1, time)
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dfile_writer.writerow (dom)
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