def do_checkpoint(self):
"""Add a new Checkpoint to this branch."""
new_ckpt = Checkpoint()
self.add_checkpoint(new_ckpt)
self.set_current_checkpoint(new_ckpt)
dmtcpmanager.checkpoint()
fredutil.fred_info("Created checkpoint #%d." %
self.get_last_checkpoint().get_index())
def do_checkpoint(self):
"""Add a new Checkpoint to this branch."""
new_ckpt = Checkpoint()
self.add_checkpoint(new_ckpt)
self.set_current_checkpoint(new_ckpt)
dmtcpmanager.checkpoint()
#fredutil.fred_debug(
# "!! Sleeping after checkpoint (ptrace instability hack)")
#time.sleep(1)
fredutil.fred_info("Created checkpoint #%d." %
self.get_last_checkpoint().get_index())
return self.get_last_checkpoint().get_index()
def do_checkpoint(self):
"""Add a new Checkpoint to this branch."""
new_ckpt = Checkpoint()
self.add_checkpoint(new_ckpt)
self.set_current_checkpoint(new_ckpt)
dmtcpmanager.checkpoint()
#fredutil.fred_debug(
# "!! Sleeping after checkpoint (ptrace instability hack)")
#time.sleep(1)
fredutil.fred_info("Created checkpoint #%d." %
self.get_last_checkpoint().get_index())
return self.get_last_checkpoint().get_index()
def switch_to_branch(self, s_name):
"""Switch to the named branch."""
if not dmtcpmanager.branch_exists(s_name):
fredutil.fred_error("Branch '%s' does not exist." % s_name)
return
for b in self.l_branches:
if b.get_name() == s_name:
self.branch = b
dmtcpmanager.switch_branch(s_name)
# Switching to branches always restarts in ckpt 0:
self.branch.set_current_checkpoint(self.branch.get_checkpoint(0))
self.update_state()
fredutil.fred_info("Switched to branch '%s'." % s_name)
def do_branch(self, s_name):
"""Create and switch to a new branch named s_name."""
if dmtcpmanager.branch_exists(s_name):
fredutil.fred_error("Branch '%s' already exists." % s_name)
return
self.branch = Branch(s_name)
self.l_branches.append(self.branch)
dmtcpmanager.create_branch(s_name)
# Creating branches always creates ckpt 0:
self.branch.add_checkpoint(Checkpoint(0))
self.branch.set_current_checkpoint(self.branch.get_checkpoint(0))
self.update_state()
fredutil.fred_info("Now in new branch '%s'." % s_name)
def switch_to_branch(self, s_name):
"""Switch to the named branch."""
if not dmtcpmanager.branch_exists(s_name):
fredutil.fred_error("Branch '%s' does not exist." % s_name)
return
for b in self.l_branches:
if b.get_name() == s_name:
self.branch = b
dmtcpmanager.switch_branch(s_name)
# Switching to branches always restarts in ckpt 0:
self.branch.set_current_checkpoint(self.branch.get_checkpoint(0))
self.update_state()
fredutil.fred_info("Switched to branch '%s'." % s_name)
def do_branch(self, s_name):
"""Create and switch to a new branch named s_name."""
if dmtcpmanager.branch_exists(s_name):
fredutil.fred_error("Branch '%s' already exists." % s_name)
return
self.branch = Branch(s_name)
self.l_branches.append(self.branch)
dmtcpmanager.create_branch(s_name)
# Creating branches always creates ckpt 0:
self.branch.add_checkpoint(Checkpoint(0))
self.branch.set_current_checkpoint(self.branch.get_checkpoint(0))
self.update_state()
fredutil.fred_info("Now in new branch '%s'." % s_name)
def resume(s_fred_tmpdir, s_resume_dir):
"""Set up tmpdir structure from a given path."""
global gn_index_suffix
if not os.path.exists(s_resume_dir):
fredutil.fred_fatal("Cannot resume: bad path %s." % s_resume_dir)
fredutil.fred_info("Removing existing FReD temp dir at %s." % s_fred_tmpdir)
shutil.rmtree(s_fred_tmpdir, ignore_errors=True)
fredutil.fred_info(
"Copying files for session resume. This could take a " "few minutes if the checkpoint images are large."
)
shutil.copytree(s_resume_dir, os.environ["DMTCP_TMPDIR"] + "-MASTER")
os.symlink(os.environ["DMTCP_TMPDIR"] + "-MASTER", os.environ["DMTCP_TMPDIR"])
fredutil.fred_info("Resuming session.")
reset_checkpoint_indexing()
restart(0)
def resume(s_fred_tmpdir, s_resume_dir):
"""Set up tmpdir structure from a given path."""
global gn_index_suffix
if not os.path.exists(s_resume_dir):
fredutil.fred_fatal("Cannot resume: bad path %s." % s_resume_dir)
fredutil.fred_info("Removing existing FReD temp dir at %s." %
s_fred_tmpdir)
shutil.rmtree(s_fred_tmpdir, ignore_errors=True)
fredutil.fred_info("Copying files for session resume. This could take a "
"few minutes if the checkpoint images are large.")
shutil.copytree(s_resume_dir, os.environ["DMTCP_TMPDIR"] + "-MASTER")
os.symlink(os.environ["DMTCP_TMPDIR"] + "-MASTER",
os.environ["DMTCP_TMPDIR"])
fredutil.fred_info("Resuming session.")
reset_checkpoint_indexing()
restart(0)
