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Matheus
48 lines
1.1 KiB
Python
Executable File
48 lines
1.1 KiB
Python
Executable File
#!/usr/bin/env python3
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# prints the last system call log of every thread
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# (this is useful for debugging things like race conditions in userspace)
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import sys
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if len(sys.argv) != 2:
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print(sys.argv[0] + ": usage: " + sys.argv[0] + " INPUT_FILE")
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exit(1)
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file = open(sys.argv[1], "r")
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last_log = {} # key pid + "_" + tid
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for line in file:
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if not " tid " in line:
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continue
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if not ": pid" in line:
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continue
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try:
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junk, useful_data = line.split("syscall: pid ")
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except:
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try:
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junk, useful_data = line.split("syscall return: pid ")
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except:
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print("pid:::", line)
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exit()
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try:
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pid, useful_data = useful_data.split(" tid ")
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except:
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print("pid2:::", line)
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exit()
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try:
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tid = useful_data.split(": ", 1)[0]
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except:
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print("tid:::", line)
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last_log[str(pid) + "_" + str(tid)] = line
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for key in last_log:
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if " exit:" in last_log[key]:
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continuea
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print(key + ":", last_log[key], end="")
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