--- a/hotspot/src/share/vm/gc_implementation/g1/concurrentMarkThread.cpp	Sat Apr 07 09:06:55 2012 -0700
+++ b/hotspot/src/share/vm/gc_implementation/g1/concurrentMarkThread.cpp	Fri Apr 13 01:59:38 2012 +0200
@@ -26,6 +26,7 @@
 #include "gc_implementation/g1/concurrentMarkThread.inline.hpp"
 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
 #include "gc_implementation/g1/g1CollectorPolicy.hpp"
+#include "gc_implementation/g1/g1Log.hpp"
 #include "gc_implementation/g1/g1MMUTracker.hpp"
 #include "gc_implementation/g1/vm_operations_g1.hpp"
 #include "memory/resourceArea.hpp"
@@ -104,7 +105,7 @@
 
       double scan_start = os::elapsedTime();
       if (!cm()->has_aborted()) {
-        if (PrintGC) {
+        if (G1Log::fine()) {
           gclog_or_tty->date_stamp(PrintGCDateStamps);
           gclog_or_tty->stamp(PrintGCTimeStamps);
           gclog_or_tty->print_cr("[GC concurrent-root-region-scan-start]");
@@ -113,7 +114,7 @@
         _cm->scanRootRegions();
 
         double scan_end = os::elapsedTime();
-        if (PrintGC) {
+        if (G1Log::fine()) {
           gclog_or_tty->date_stamp(PrintGCDateStamps);
           gclog_or_tty->stamp(PrintGCTimeStamps);
           gclog_or_tty->print_cr("[GC concurrent-root-region-scan-end, %1.7lf]",
@@ -122,7 +123,7 @@
       }
 
       double mark_start_sec = os::elapsedTime();
-      if (PrintGC) {
+      if (G1Log::fine()) {
         gclog_or_tty->date_stamp(PrintGCDateStamps);
         gclog_or_tty->stamp(PrintGCTimeStamps);
         gclog_or_tty->print_cr("[GC concurrent-mark-start]");
@@ -146,7 +147,7 @@
             os::sleep(current_thread, sleep_time_ms, false);
           }
 
-          if (PrintGC) {
+          if (G1Log::fine()) {
             gclog_or_tty->date_stamp(PrintGCDateStamps);
             gclog_or_tty->stamp(PrintGCTimeStamps);
             gclog_or_tty->print_cr("[GC concurrent-mark-end, %1.7lf sec]",
@@ -165,7 +166,7 @@
         }
 
         if (cm()->restart_for_overflow()) {
-          if (PrintGC) {
+          if (G1Log::fine()) {
             gclog_or_tty->date_stamp(PrintGCDateStamps);
             gclog_or_tty->stamp(PrintGCTimeStamps);
             gclog_or_tty->print_cr("[GC concurrent-mark-restart-for-overflow]");
@@ -211,7 +212,7 @@
         // reclaimed by cleanup.
 
         double cleanup_start_sec = os::elapsedTime();
-        if (PrintGC) {
+        if (G1Log::fine()) {
           gclog_or_tty->date_stamp(PrintGCDateStamps);
           gclog_or_tty->stamp(PrintGCTimeStamps);
           gclog_or_tty->print_cr("[GC concurrent-cleanup-start]");
@@ -232,7 +233,7 @@
         g1h->reset_free_regions_coming();
 
         double cleanup_end_sec = os::elapsedTime();
-        if (PrintGC) {
+        if (G1Log::fine()) {
           gclog_or_tty->date_stamp(PrintGCDateStamps);
           gclog_or_tty->stamp(PrintGCTimeStamps);
           gclog_or_tty->print_cr("[GC concurrent-cleanup-end, %1.7lf]",
@@ -273,7 +274,7 @@
       _sts.leave();
 
       if (cm()->has_aborted()) {
-        if (PrintGC) {
+        if (G1Log::fine()) {
           gclog_or_tty->date_stamp(PrintGCDateStamps);
           gclog_or_tty->stamp(PrintGCTimeStamps);
           gclog_or_tty->print_cr("[GC concurrent-mark-abort]");