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7011855: G1: non-product flag to artificially grow the heap Summary: It introduces non-product cmd line parameter G1DummyRegionsPerGC which indicates how many "dummy" regions to allocate at the end of each GC. This allows the G1 heap to grow artificially and makes concurrent marking cycles more frequent irrespective of what the application that is running is doing. The dummy regions will be found totally empty during cleanup so this parameter can also be used to stress the concurrent cleanup operation. Reviewed-by: brutisso, johnc
author tonyp
date Tue, 19 Apr 2011 15:46:59 -0400
parents c18cbe5936b8
children 19241ae0d839
line wrap: on
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#
# Copyright (c) 1998, 2008, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#  
#

# Sets make macros for making debug version of VM

# Compiler specific DEBUG_CFLAGS are passed in from gcc.make, sparcWorks.make
DEBUG_CFLAGS/DEFAULT= $(DEBUG_CFLAGS)
DEBUG_CFLAGS/BYFILE = $(DEBUG_CFLAGS/$@)$(DEBUG_CFLAGS/DEFAULT$(DEBUG_CFLAGS/$@))

ifeq ("${Platform_compiler}", "sparcWorks")

ifeq ($(COMPILER_REV_NUMERIC),508)
  # SS11 SEGV when compiling with -g and -xarch=v8, using different backend
  DEBUG_CFLAGS/compileBroker.o = $(DEBUG_CFLAGS) -xO0
  DEBUG_CFLAGS/jvmtiTagMap.o   = $(DEBUG_CFLAGS) -xO0
endif
endif

CFLAGS += $(DEBUG_CFLAGS/BYFILE)

# Linker mapfiles
MAPFILE = $(GAMMADIR)/make/solaris/makefiles/mapfile-vers \
          $(GAMMADIR)/make/solaris/makefiles/mapfile-vers-debug \
          $(GAMMADIR)/make/solaris/makefiles/mapfile-vers-nonproduct

# This mapfile is only needed when compiling with dtrace support, 
# and mustn't be otherwise.
MAPFILE_DTRACE = $(GAMMADIR)/make/solaris/makefiles/mapfile-vers-$(TYPE)

_JUNK_ := $(shell echo >&2 ""\
 "-------------------------------------------------------------------------\n" \
 "WARNING: 'gnumake debug' is deprecated. It will be removed in the future.\n" \
 "Please use 'gnumake jvmg' to build debug JVM.                            \n" \
 "-------------------------------------------------------------------------\n")

G_SUFFIX = _g
VERSION = debug
SYSDEFS += -DASSERT -DDEBUG
PICFLAGS = DEFAULT