diff options
Diffstat (limited to '020run.cc')
| -rw-r--r-- | 020run.cc | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/020run.cc b/020run.cc index 72fda856..ef2833a5 100644 --- a/020run.cc +++ b/020run.cc @@ -169,19 +169,28 @@ if (!Run_tests && contains_key(Recipe_ordinal, "main") && contains_key(Recipe, g // Running Main setup(); //? Save_trace = true; -//? START_TRACING_UNTIL_END_OF_SCOPE; + if (Trace_main) Trace_stream = new trace_stream; trace(9990, "run") << "=== Starting to run" << end(); assert(Num_calls_to_transform_all == 1); run_main(argc, argv); + if (Trace_main) delete Trace_stream, Trace_stream = NULL; teardown(); } - :(code) void run_main(int argc, char* argv[]) { recipe_ordinal r = get(Recipe_ordinal, "main"); if (r) run(r); } +//: By default we don't maintain the trace while running main because its +//: overheads can grow rapidly. However, it's useful when debugging. +:(before "End Globals") +bool Trace_main = false; +:(before "End Commandline Options(*arg)") +else if (is_equal(*arg, "--trace")) { + Trace_main = true; +} + :(code) void dump_profile() { for (map<string, int>::iterator p = Instructions_running.begin(); p != Instructions_running.end(); ++p) { |