ff6a3a6171
This change applies an atomic variable to check if we really need to obtain a mutex, and uses a condition variable to notify. See about 5% improvement in the simulation speed. Change-Id: I7e165987dcb587b27fae90978b9b3fde6f5563ef Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/34915 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Richard Cooper <richard.cooper@arm.com> Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br> Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Maintainer: Gabe Black <gabeblack@google.com> Tested-by: kokoro <noreply+kokoro@google.com>
122 lines
4.9 KiB
Python
122 lines
4.9 KiB
Python
# -*- mode:python -*-
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# Copyright (c) 2006 The Regents of The University of Michigan
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Import('*')
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SimObject('Graphics.py')
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Source('atomicio.cc')
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GTest('atomicio.test', 'atomicio.test.cc', 'atomicio.cc')
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Source('bitfield.cc')
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GTest('bitfield.test', 'bitfield.test.cc', 'bitfield.cc')
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Source('imgwriter.cc')
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Source('bmpwriter.cc')
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Source('channel_addr.cc')
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Source('cprintf.cc', add_tags='gtest lib')
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GTest('cprintf.test', 'cprintf.test.cc')
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Source('debug.cc')
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if env['USE_FENV']:
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Source('fenv.c')
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if env['USE_PNG']:
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Source('pngwriter.cc')
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Source('fiber.cc')
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GTest('fiber.test', 'fiber.test.cc', 'fiber.cc')
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GTest('coroutine.test', 'coroutine.test.cc', 'fiber.cc')
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Source('framebuffer.cc')
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Source('hostinfo.cc')
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Source('inet.cc')
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Source('inifile.cc')
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GTest('inifile.test', 'inifile.test.cc', 'inifile.cc', 'str.cc')
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GTest('intmath.test', 'intmath.test.cc')
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Source('logging.cc')
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Source('match.cc')
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GTest('match.test', 'match.test.cc', 'match.cc', 'str.cc')
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Source('output.cc')
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Source('pixel.cc')
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GTest('pixel.test', 'pixel.test.cc', 'pixel.cc')
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Source('pollevent.cc')
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Source('random.cc')
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if env['TARGET_ISA'] != 'null':
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Source('remote_gdb.cc')
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Source('socket.cc')
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GTest('socket.test', 'socket.test.cc', 'socket.cc')
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Source('statistics.cc')
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Source('str.cc')
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GTest('str.test', 'str.test.cc', 'str.cc')
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Source('time.cc')
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Source('version.cc')
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Source('trace.cc')
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GTest('trie.test', 'trie.test.cc')
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Source('types.cc')
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GTest('types.test', 'types.test.cc', 'types.cc')
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GTest('uncontended_mutex.test', 'uncontended_mutex.test.cc')
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Source('stats/group.cc')
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Source('stats/text.cc')
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if env['USE_HDF5']:
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if main['GCC']:
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Source('stats/hdf5.cc', append={'CXXFLAGS': '-Wno-deprecated-copy'})
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else:
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Source('stats/hdf5.cc')
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GTest('addr_range.test', 'addr_range.test.cc')
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GTest('addr_range_map.test', 'addr_range_map.test.cc')
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GTest('bitunion.test', 'bitunion.test.cc')
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GTest('channel_addr.test', 'channel_addr.test.cc', 'channel_addr.cc')
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GTest('circlebuf.test', 'circlebuf.test.cc')
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GTest('circular_queue.test', 'circular_queue.test.cc')
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GTest('sat_counter.test', 'sat_counter.test.cc')
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GTest('refcnt.test','refcnt.test.cc')
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GTest('condcodes.test', 'condcodes.test.cc')
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GTest('chunk_generator.test', 'chunk_generator.test.cc')
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DebugFlag('Annotate', "State machine annotation debugging")
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DebugFlag('AnnotateQ', "State machine annotation queue debugging")
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DebugFlag('AnnotateVerbose', "Dump all state machine annotation details")
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DebugFlag('FmtFlag', "Show the --debug-flag that enabled each debug message")
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DebugFlag('FmtStackTrace',
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"Print a stack trace after every debug message")
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DebugFlag('FmtTicksOff', "Don't show tick count on debug messages")
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DebugFlag('GDBAcc', "Remote debugger accesses")
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DebugFlag('GDBExtra', "Dump extra information on reads and writes")
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DebugFlag('GDBMisc', "Breakpoints, traps, watchpoints, etc.")
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DebugFlag('GDBRead', "Reads to the remote address space")
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DebugFlag('GDBRecv', "Messages received from the remote application")
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DebugFlag('GDBSend', "Messages sent to the remote application")
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DebugFlag('GDBWrite', "Writes to the remote address space")
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DebugFlag('SQL', "SQL queries sent to the server")
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DebugFlag('Stats', "Statistics management")
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DebugFlag('StatEvents', "Statistics event tracking")
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CompoundFlag('GDBAll',
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[ 'GDBMisc', 'GDBAcc', 'GDBRead', 'GDBWrite', 'GDBSend', 'GDBRecv',
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'GDBExtra' ],
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desc="All Remote debugging flags")
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CompoundFlag('AnnotateAll', ['Annotate', 'AnnotateQ', 'AnnotateVerbose'],
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desc="All Annotation flags")
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