xz: Print the maximum number of worker threads in xz -vv.

diff --git a/src/xz/coder.c b/src/xz/coder.c
index 4f883af..316f560 100644 (file)
--- a/src/xz/coder.c
+++ b/src/xz/coder.c
@@ -199,6 +199,10 @@ coder_set_compression_settings(void)
                        mt_options.check = check;
                        memory_usage = lzma_stream_encoder_mt_memusage(
                                        &mt_options);
+                       if (memory_usage != UINT64_MAX)
+                               message(V_DEBUG, _("Using up to %" PRIu32
+                                               " threads."),
+                                               mt_options.threads);
                } else
 #endif
                {