Debugging with GDB: Listing Tracepoints

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13.1.7 Listing Tracepoints

info tracepoints [ num…]

Display information about the tracepoint num. If you don’t specify a tracepoint number, displays information about all the tracepoints defined so far. The format is similar to that used for info breakpoints; in fact, info tracepoints is the same command, simply restricting itself to tracepoints.

A tracepoint’s listing may include additional information specific to tracing:

  • its passcount as given by the passcount n command
  • the state about installed on target of each location 
(gdb) info trace
Num     Type           Disp Enb Address    What
1       tracepoint     keep y   0x0804ab57 in foo() at main.cxx:7
        while-stepping 20
          collect globfoo, $regs
        end
        collect globfoo2
        end
        pass count 1200 
2       tracepoint     keep y   <MULTIPLE>
        collect $eip
2.1                         y     0x0804859c in func4 at change-loc.h:35
        installed on target
2.2                         y     0xb7ffc480 in func4 at change-loc.h:35
        installed on target
2.3                         y     <PENDING>  set_tracepoint
3       tracepoint     keep y   0x080485b1 in foo at change-loc.c:29
        not installed on target
(gdb)

This command can be abbreviated info tp.