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(gdb.info)Tracepoint Passcounts

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Tracepoint Passcounts
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`passcount [N [NUM]]'
     Set the "passcount" of a tracepoint.  The passcount is a way to
     automatically stop a trace experiment.  If a tracepoint's
     passcount is N, then the trace experiment will be automatically
     stopped on the N'th time that tracepoint is hit.  If the
     tracepoint number NUM is not specified, the `passcount' command
     sets the passcount of the most recently defined tracepoint.  If no
     passcount is given, the trace experiment will run until stopped
     explicitly by the user.

     Examples:

          (gdb) passcount 5 2 // Stop on the 5th execution of
                                        `// tracepoint 2'

          (gdb) passcount 12  // Stop on the 12th execution of the
                                        `// most recently defined tracepoint.'
          (gdb) trace foo
          (gdb) pass 3
          (gdb) trace bar
          (gdb) pass 2
          (gdb) trace baz
          (gdb) pass 1        // Stop tracing when foo has been
                                         `// executed 3 times OR when bar has'
     `// been executed 2 times'
     `// OR when baz has been executed 1 time.'