[[gdb]]
 

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gdb [2017/10/24 17:22]
dblume
gdb [2020/01/16 09:14] (current)
dblume
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 ====== gdb ====== ====== gdb ======
 +
 +===== Example code with a deadlock =====
 +
 +Build your target with debug symbols. For example, with [[http://git.dlma.com/testcode.git/|the testcode project]], make with the target "debug"
 +
 +  make debug
 +
 +If the deadlock was compiled in, then run it like so:
 +
 +  product/testcode &
 +
 +Then you can run gdb and attach to the process in one of the following ways.
 +
 +  $ gdb -p <pid-of-testcode>
 +  
 +  $ gdb product/testcode <pid-of-testcode>
 +  
 +  $ gdb
 +  (gdb) attach <pid-of-testcode>
 +  
 +
 +===== Tips =====
  
 Show all the backtraces: Show all the backtraces:
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   (gdb) t a a bt -3   # thread apply all backtrace top three frames   (gdb) t a a bt -3   # thread apply all backtrace top three frames
  
-==== Detecting a Deadlock ====+===== Detecting a Deadlock =====
  
 Get high level info on the threads: Get high level info on the threads:
gdb.1508890932.txt.gz · Last modified: 2017/10/24 17:22 by dblume
 
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