diff options
Diffstat (limited to 'erts/emulator/beam/erlang_dtrace.d')
| -rw-r--r-- | erts/emulator/beam/erlang_dtrace.d | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/erts/emulator/beam/erlang_dtrace.d b/erts/emulator/beam/erlang_dtrace.d index c682f76e3a..237889e0f5 100644 --- a/erts/emulator/beam/erlang_dtrace.d +++ b/erts/emulator/beam/erlang_dtrace.d @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Dustin Sallings, Michal Ptaszek, Scott Lystig Fritchie 2011-2012. + * Copyright Dustin Sallings, Michal Ptaszek, Scott Lystig Fritchie 2011-2016. * All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); @@ -700,6 +700,35 @@ provider erlang { */ probe efile_drv__return(int, int, char *, int, int, int); + +/* + * The set of probes called by the erlang tracer nif backend. In order + * to receive events on these you both have to enable tracing in erlang + * using the trace bifs and also from dtrace/systemtap. + */ + + + /** + * A trace message of type `event` was triggered by process `p`. + * + * + * @param p the PID (string form) of the process + * @param event the event that was triggered (i.e. call or spawn) + * @param state the state of the tracer nif as a string + * @param arg1 first argument to the trace event + * @param arg2 second argument to the trace event + */ + probe trace(char *p, char *event, char *state, char *arg1, char *arg2); + + /** + * A sequence trace message of type `label` was triggered. + * + * @param state the state of the tracer nif as a string + * @param label the seq trace label + * @param seq_info the seq trace info tuple as a string + */ + probe trace_seq(char *state, char *label, char *seq_info); + /* * NOTE: * For formatting int64_t arguments within a D script, see: |