PR6930: stap: supports on-file flight recorder options

Add on-file flight recorder options (the combination of -F and -o,
and -S option) to stap command, and change manpages and NEWS.
 - Both of -F and -o is specified, stap passes -D option to staprun.
 - stap just passes -S option to staprun.

1 files changed, 8 insertions, 2 deletions

diff --git a/main.cxx b/main.cxx
index 890f65bc..6f4064a5 100644
--- a/main.cxx
+++ b/main.cxx
@@ -111,7 +111,9 @@ usage (systemtap_session& s, int exitcode)
     << "   -o FILE    send script output to file, instead of stdout" << endl
     << "   -c CMD     start the probes, run CMD, and exit when it finishes" << endl
     << "   -x PID     sets target() to PID" << endl
-    << "   -F         load module and start probes, then detach" << endl
+    << "   -F         run as on-file flight recorder with -o." << endl
+    << "              run as on-memory flight recorder without -o." << endl
+    << "   -S size[,n] set maximum of the size and the number of files." << endl
     << "   -d OBJECT  add unwind/symbol data for OBJECT file";
   if (s.unwindsym_modules.size() == 0)
     clog << endl;
@@ -444,7 +446,7 @@ main (int argc, char * const argv [])
         { "vp", 1, &long_opt, LONG_OPT_VERBOSE_PASS },
         { NULL, 0, NULL, 0 }
       };
-      int grc = getopt_long (argc, argv, "hVMvtp:I:e:o:R:r:m:kgPc:x:D:bs:uqwl:d:L:F",
+      int grc = getopt_long (argc, argv, "hVMvtp:I:e:o:R:r:m:kgPc:x:D:bs:uqwl:d:L:FS:",
                                                           long_options, NULL);
       if (grc < 0)
         break;
@@ -628,6 +630,10 @@ main (int argc, char * const argv [])
 	  s.macros.push_back (string (optarg));
 	  break;
 
+	case 'S':
+	  s.size_option = string (optarg);
+	  break;
+
 	case 'q':
 	  s.tapset_compile_coverage = true;
 	  break;