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authorLisa Hsu <hsul@eecs.umich.edu>2006-10-30 13:33:27 -0500
committerLisa Hsu <hsul@eecs.umich.edu>2006-10-30 13:33:27 -0500
commitb40af2328a254b109a08327475bb8f2aa906399b (patch)
tree9e86048e5dca3d88ea485d816e3efa37d0e4a17d /configs/common
parent2305490de59305b1ed3b0068cc662e752972fb6e (diff)
downloadgem5-b40af2328a254b109a08327475bb8f2aa906399b.tar.xz
add some comments and make the warmup period in a switchover parameterizable.
configs/common/Options.py: make the warmup period in a standard switch part of the option. configs/common/Simulation.py: add some comments and also make the warmup period an option. --HG-- extra : convert_revision : 0fa587291b97ff87c3b3a617e7359ac6d9bed7a5
Diffstat (limited to 'configs/common')
-rw-r--r--configs/common/Options.py5
-rw-r--r--configs/common/Simulation.py5
2 files changed, 7 insertions, 3 deletions
diff --git a/configs/common/Options.py b/configs/common/Options.py
index d9c1cc64e..d89023082 100644
--- a/configs/common/Options.py
+++ b/configs/common/Options.py
@@ -53,5 +53,6 @@ parser.add_option("-r", "--checkpoint_restore", action="store", type="int",
# CPU Switching - default switch model goes from a checkpoint
# to a timing simple CPU with caches to warm up, then to detailed CPU for
# data measurement
-parser.add_option("-s", "--standard_switch", action="store_true",
- help="switch from one cpu mode to another")
+parser.add_option("-s", "--standard_switch", action="store", type="int",
+ help="switch from timing CPU to Detailed CPU after a period of \
+ <N> cycles warmup", default=5000000000)
diff --git a/configs/common/Simulation.py b/configs/common/Simulation.py
index b927315ba..59cf32303 100644
--- a/configs/common/Simulation.py
+++ b/configs/common/Simulation.py
@@ -116,12 +116,15 @@ def run(options, root, testsys):
m5.switchCpus(switch_cpu_list)
m5.resume(testsys)
- exit_event = m5.simulate(3000000)
+ exit_event = m5.simulate(options.standard_switch)
m5.switchCpus(switch_cpu_list1)
num_checkpoints = 0
exit_cause = ''
+ ## Checkpoints being taken via the command line at <when> and at subsequent
+ ## periods of <period>. Checkpoint instructions received from the benchmark running
+ ## are ignored and skipped in favor of command line checkpoint instructions.
if options.take_checkpoints:
[when, period] = options.take_checkpoints.split(",", 1)
when = int(when)