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-rw-r--r--001help.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/001help.cc b/001help.cc
index 3cab06d9..78877561 100644
--- a/001help.cc
+++ b/001help.cc
@@ -39,6 +39,9 @@ if (argc <= 1 || is_equal(argv[1], "--help")) {
        << "  To see where a mu program is spending its time:\n"
        << "    mu --profile file_or_dir1 file_or_dir2 ...\n"
        << "  this slices and dices time spent in various profile.* output files\n"
+       << "  To print out the trace to stderr:\n"
+       << "    mu --dump file1.mu file2.mu ...\n"
+       << "  this is handy when you want to see sandboxed traces alongside the main one\n"
        << "\n"
        << "  To browse a trace generated by a previous run:\n"
        << "    mu browse-trace file\n"