56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
#!/usr/bin/env python3
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"""
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performance-log-resolve.py -- Resolve PIKA performance log backtrace symbols
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Copyright (C) 2018 Ell
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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Usage: performance-log-resolve.py < infile > outfile
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"""
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from xml.etree import ElementTree
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import sys
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empty_element = ElementTree.Element ("")
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# Read performance log from STDIN
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log = ElementTree.fromstring (sys.stdin.buffer.read ())
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address_map = log.find ("address-map")
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if address_map:
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# Create address dictionary
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addresses = {}
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for address in address_map.iterfind ("address"):
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addresses[address.get ("value")] = list (address)
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# Resolve addresses in backtraces
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for sample in (log.find ("samples") or empty_element).iterfind ("sample"):
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for thread in sample.find ("backtrace") or ():
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for frame in thread:
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address = addresses.get (frame.get ("address"))
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if address:
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frame.text = "\n"
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frame.extend (address)
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# Remove address map
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log.remove (address_map)
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# Write performance log to STDOUT
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sys.stdout.buffer.write (ElementTree.tostring (log))
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