336a38081a
Done with: ack '2020+' -l | xargs sed -i -e 's/2020+/2021+/g' Checked manually with: git add -p Hello to future James from 2022, and Happy Hacking!
124 lines
3.3 KiB
Python
Executable File
124 lines
3.3 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Copyright (C) 2013-2021+ James Shubin and the project contributors
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# Written by James Shubin <james@shubin.ca> and the project contributors
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#
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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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#
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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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#
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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 <http://www.gnu.org/licenses/>.
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# This program filters golang stack traces. Modify the filter by editing the
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# filter_chunk function. This is a quick hack to help me get work done. It's
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# written in python to encourage some golang enthusiast to rewrite it in golang
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# and to expand the functionality.
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import sys
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if len(sys.argv) == 2 and sys.argv[1] != "-":
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lines = open(sys.argv[1], "r").readlines()
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else:
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lines = sys.stdin.readlines()
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print("read: %d lines" % len(lines))
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# find program start
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start = -1
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for i in range(len(lines)):
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line = lines[i]
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if line.startswith("PC="):
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start=i
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break
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if start == -1:
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print("could not find program start, looking for PC=???", file=sys.stderr)
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sys.exit(1)
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print("starts at line: %d" % (start+1)) # +1 because we're zero based
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def is_chunk(line):
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if line == "main.main()" or line.startswith("goroutine"):
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return True
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return False
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def is_end(line):
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# register junk as seen at the end
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rx = ["rax", "rbx", "rcx", "rdx", "rdi", "rsi", "rbp", "rsp", "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", "rip", "rflags", "cs", "fs", "gs"]
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for x in rx:
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if line.startswith(x + " "):
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return True
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return False
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def filter_chunk(chunk):
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lines = chunk.split("\n")
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if len(lines) < 2:
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return False
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package_line = lines[1]
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if package_line.startswith("github.com/purpleidea/mgmt/vendor/"):
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return False
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if package_line.startswith("github.com/") and not package_line.startswith("github.com/purpleidea/mgmt/"):
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return False
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if package_line.startswith("internal/poll"):
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return False
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if package_line.startswith("context.propagateCancel"):
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return False
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if package_line.startswith("runtime.gopark"):
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return False
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if package_line.startswith("runtime.futex"):
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return False
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if package_line.startswith("os/signal.signal_recv"):
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return False
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return True
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chunks = []
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for i in range(start+1, len(lines)):
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line = lines[i]
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# found a chunk
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if is_chunk(line):
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chunk = line
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for j in range(i+1, len(lines)):
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jline = lines[j]
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if is_chunk(jline) or is_end(jline):
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chunks.append(chunk)
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i = j
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if is_end(jline):
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end = j
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break
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# else
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chunk = chunk + jline
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print("found %d chunks" % len(chunks))
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count = 0
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for i in range(len(chunks)):
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chunk = chunks[i]
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if not filter_chunk(chunk):
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continue
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print(">>> chunk %d:" % i)
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print(chunk)
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print("")
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count = count + 1
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print("got %d filtered chunks" % count)
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print("ends at line: %d" % (end+1)) # +1 because we're zero based
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for i in range(end, len(lines)):
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line = lines[i]
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print("%s" % line, end='') # already comes with a newline
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