X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=rts%2FRtsFlags.c;h=f8c8403328eeffccddb95c4592d68ab85b8584d3;hp=a2d699daf7a27f2f80178c48055fdb6725593de1;hb=fcf6b22d0478be20e27c2245f3e34dd272e12522;hpb=8bac478832e0cf9fa7ad1cfc81c08b0b9f13938e

diff --git a/rts/RtsFlags.c b/rts/RtsFlags.c
index a2d699d..f8c8403 100644
--- a/rts/RtsFlags.c
+++ b/rts/RtsFlags.c
@@ -203,8 +203,8 @@ void initRtsFlagsDefaults(void)
     RtsFlags.ProfFlags.bioSelector        = NULL;
 #endif
 
-    RtsFlags.MiscFlags.tickInterval	= 50;  /* In milliseconds */
-    RtsFlags.ConcFlags.ctxtSwitchTime	= 50;  /* In milliseconds */
+    RtsFlags.MiscFlags.tickInterval	= 20;  /* In milliseconds */
+    RtsFlags.ConcFlags.ctxtSwitchTime	= 20;  /* In milliseconds */
 
     RtsFlags.MiscFlags.install_signal_handlers = rtsTrue;
 
@@ -336,6 +336,7 @@ usage_text[] = {
 "The following run time system options are available:",
 "",
 "  -?       Prints this message and exits; the program is not executed",
+"  --info   Print information about the RTS used by this program",
 "",
 "  -K<size> Sets the maximum stack size (default 8M)  Egs: -K32k   -K512k",
 "  -k<size> Sets the initial thread stack size (default 1k)  Egs: -k4k   -k2m",
@@ -682,6 +683,11 @@ error = rtsTrue;
                                &rts_argv[arg][2])) {
                       RtsFlags.MiscFlags.install_signal_handlers = rtsFalse;
                   }
+                  else if (strequal("info",
+                               &rts_argv[arg][2])) {
+                      printRtsInfo();
+                      exit(0);
+                  }
                   else {
 		      errorBelch("unknown RTS option: %s",rts_argv[arg]);
 		      error = rtsTrue;
@@ -1111,6 +1117,12 @@ error = rtsTrue;
 		      errorBelch("bad value for -N");
 		      error = rtsTrue;
 		    }
+#if defined(PROFILING)
+                    if (RtsFlags.ParFlags.nNodes > 1) {
+                        errorBelch("bad option %s: only -N1 is supported with profiling", rts_argv[arg]);
+		      error = rtsTrue;
+                    }
+#endif
 		}
 		) break;