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authorLisa Hsu <hsul@eecs.umich.edu>2006-10-09 00:12:16 -0400
committerLisa Hsu <hsul@eecs.umich.edu>2006-10-09 00:12:16 -0400
commit67a114fc29662d262a3d7ae867f6ee4c25c0ce8f (patch)
tree05d163d8eee78ca1272b4258c3f13b4d7072bf19 /configs
parent67c20dd9ddb5ce2f7f8a80246841684f69320019 (diff)
downloadgem5-67a114fc29662d262a3d7ae867f6ee4c25c0ce8f.tar.xz
add in checkpoint restoration option, you can restore a checkpoint by giving a directory, and then giving a checkpoint number, the earliest checkpoint is 1, the latest is N. the default checkpoint directory is the cwd.
so you can restore by a command line like this: m5.opt fs.py --checkpoint_dir="/my/ckpt/dir" -c 3 configs/example/fs.py: add in checkpoint restoration option, you can restore a checkpoint by giving a directory, and then giving a checkpoint number, the earliest checkpoint is 1, the latest is N. --HG-- extra : convert_revision : bf9c8d3265a3875cdfb6a878005baa7ae29af90d
Diffstat (limited to 'configs')
-rw-r--r--configs/example/fs.py27
1 files changed, 27 insertions, 0 deletions
diff --git a/configs/example/fs.py b/configs/example/fs.py
index 6db26a02a..0dadcbe1b 100644
--- a/configs/example/fs.py
+++ b/configs/example/fs.py
@@ -55,6 +55,8 @@ parser.add_option("--etherdump", action="store", type="string", dest="etherdump"
"ethernet traffic")
parser.add_option("--checkpoint_dir", action="store", type="string",
help="Place all checkpoints in this absolute directory")
+parser.add_option("-c", "--checkpoint", action="store", type="int",
+ help="restore from checkpoint <N>")
(options, args) = parser.parse_args()
@@ -115,6 +117,31 @@ else:
m5.instantiate(root)
+if options.checkpoint:
+ from os.path import isdir
+ from os import listdir, getcwd
+ import re
+ if options.checkpoint_dir:
+ cptdir = options.checkpoint_dir
+ else:
+ cptdir = getcwd()
+
+ if not isdir(cptdir):
+ m5.panic("checkpoint dir %s does not exist!" % cptdir)
+
+ dirs = listdir(cptdir)
+ expr = re.compile('cpt.([0-9]*)')
+ cpts = []
+ for dir in dirs:
+ match = expr.match(dir)
+ if match:
+ cpts.append(match.group(1))
+
+ if options.checkpoint > len(cpts):
+ m5.panic('Checkpoint %d not found' % options.checkpoint)
+
+ m5.restoreCheckpoint(root, "/".join([cptdir, "cpt.%s" % cpts[options.checkpoint - 1]]))
+
if options.maxtick:
maxtick = options.maxtick
elif options.maxtime: