Don't print scheduler statistics at verbosity level 2, add --stat instead

5 files changed, 24 insertions, 2 deletions

diff --git a/build2/b-options.cxx b/build2/b-options.cxx
index 3cfb708..df39b2b 100644
--- a/build2/b-options.cxx
+++ b/build2/b-options.cxx
@@ -597,6 +597,7 @@ namespace build2
     quiet_ (),
     verbose_ (1),
     verbose_specified_ (false),
+    stat_ (),
     jobs_ (),
     jobs_specified_ (false),
     max_jobs_ (),
@@ -733,6 +734,9 @@ namespace build2
        << "                     6. Even more detailed information, including state dumps." << ::std::endl;
 
     os << std::endl
+       << "\033[1m--stat\033[0m               Display build statistics." << ::std::endl;
+
+    os << std::endl
        << "\033[1m--jobs\033[0m|\033[1m-j\033[0m \033[4mnum\033[0m        Number of active jobs to perform in parallel. This" << ::std::endl
        << "                     includes both the number of active threads inside the" << ::std::endl
        << "                     build system as well as the number of external commands" << ::std::endl
@@ -881,6 +885,8 @@ namespace build2
       _cli_options_map_["--verbose"] = 
       &::build2::cl::thunk< options, uint16_t, &options::verbose_,
         &options::verbose_specified_ >;
+      _cli_options_map_["--stat"] = 
+      &::build2::cl::thunk< options, bool, &options::stat_ >;
       _cli_options_map_["--jobs"] = 
       &::build2::cl::thunk< options, size_t, &options::jobs_,
         &options::jobs_specified_ >;
diff --git a/build2/b-options.hxx b/build2/b-options.hxx
index cab4951..c9eed77 100644
--- a/build2/b-options.hxx
+++ b/build2/b-options.hxx
@@ -429,6 +429,9 @@ namespace build2
     bool
     verbose_specified () const;
 
+    const bool&
+    stat () const;
+
     const size_t&
     jobs () const;
 
@@ -530,6 +533,7 @@ namespace build2
     bool quiet_;
     uint16_t verbose_;
     bool verbose_specified_;
+    bool stat_;
     size_t jobs_;
     bool jobs_specified_;
     size_t max_jobs_;
diff --git a/build2/b-options.ixx b/build2/b-options.ixx
index 33cb18a..0691f12 100644
--- a/build2/b-options.ixx
+++ b/build2/b-options.ixx
@@ -264,6 +264,12 @@ namespace build2
     return this->verbose_specified_;
   }
 
+  inline const bool& options::
+  stat () const
+  {
+    return this->stat_;
+  }
+
   inline const size_t& options::
   jobs () const
   {
diff --git a/build2/b.cli b/build2/b.cli
index d054d05..6f5d26d 100644
--- a/build2/b.cli
+++ b/build2/b.cli
@@ -441,6 +441,11 @@ namespace build2
        \li|Even more detailed information, including state dumps.||"
     }
 
+    bool --stat
+    {
+      "Display build statistics."
+    }
+
     size_t --jobs|-j
     {
       "<num>",
diff --git a/build2/b.cxx b/build2/b.cxx
index b73a0d6..ba84b1c 100644
--- a/build2/b.cxx
+++ b/build2/b.cxx
@@ -1393,9 +1393,10 @@ main (int argc, char* argv[])
   //
   assert (st.task_queue_remain == 0);
 
-  if (verb >= (st.thread_max_active > 1 ? 3 : 4))
+  if (ops.stat ())
   {
-    info << "scheduler statistics:" << "\n\n"
+    text << '\n'
+         << "build statistics:" << "\n\n"
          << "  thread_max_active      " << st.thread_max_active     << '\n'
          << "  thread_max_total       " << st.thread_max_total      << '\n'
          << "  thread_helpers         " << st.thread_helpers        << '\n'