diff options
Diffstat (limited to 'lib/observer/doc/src/ttb.xml')
| -rw-r--r-- | lib/observer/doc/src/ttb.xml | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/lib/observer/doc/src/ttb.xml b/lib/observer/doc/src/ttb.xml index 76bbc777e8..94ecef24b4 100644 --- a/lib/observer/doc/src/ttb.xml +++ b/lib/observer/doc/src/ttb.xml @@ -229,27 +229,33 @@ ttb:p(all, call).</input></pre> </func> <func> - <name>p(Procs,Flags) -> Return</name> - <fsummary>Set the specified trace flags on the specified processes.</fsummary> + <name>p(Item,Flags) -> Return</name> + <fsummary>Set the specified trace flags on the specified processes or ports.</fsummary> <type> - <v>Return = {ok,[{Procs,MatchDesc}]}</v> - <v>Procs = Process | [Process] | all | new | existing</v> - <v>Process = pid() | atom() | {global,atom()}</v> + <v>Return = {ok,[{Item,MatchDesc}]}</v> + <v>Items = Item | [Item]</v> + <v>Item = pid() | port() | RegName | {global,GlobalRegName} | + all | processes | ports | + existing | existing_processes | existing_ports | + new | new_processes | new_ports</v> + <v>RegName = atom()</v> + <v>GlobalRegName = term()</v> <v>Flags = Flag | [Flag]</v> </type> <desc> - <p>Sets the specified trace flags on the specified - processes. Flag <c>timestamp</c> is always turned on. + <p>Sets the specified trace flags on the specified processes + or ports. Flag <c>timestamp</c> is always turned on. </p> <p>See the Reference Manual for module <seealso marker="runtime_tools:dbg"><c>dbg</c></seealso> - and the possible trace flags. Parameter + for the possible trace flags. Parameter <c>MatchDesc</c> is the same as returned from <c>dbg:p/2</c>.</p> <p>Processes can be specified as registered names, globally - registered names, or process identifiers. If a registered name - is specified, the flags are set on processes with this name on all - active nodes.</p> + registered names, or process identifiers. Ports can be + specified as registered names or port identifiers. If a + registered name is specified, the flags are set on + processes/ports with this name on all active nodes.</p> <p>Issuing this command starts the timer for this trace if option <c>timer</c> is specified with <c>tracer/2</c>. </p> @@ -267,7 +273,7 @@ ttb:p(all, call).</input></pre> function calls are traced on that process if a trace pattern is set for the called function.</p> <p>The <c>send</c> and <c>'receive'</c> flags enable tracing - of all messages sent and received by the process. Trace + of all messages sent and received by the process/port. Trace patterns set with <c>tpe</c> may limit traced messages based on the message content, the sender, and/or the receiver.</p> <p>Trace patterns specify how to trace a function or a message |