Add --dump-memory-profile option, and dummy implementation.

2 files changed, 10 insertions, 5 deletions

diff --git a/obnamlib/app.py b/obnamlib/app.py
index fd1da003..6022efa5 100644
--- a/obnamlib/app.py
+++ b/obnamlib/app.py
@@ -63,11 +63,9 @@ class App(object):
                                  '(default: %default)')
         self.config['lru-size'] = '%s' % obnamlib.DEFAULT_LRU_SIZE
 
-        self.config.new_bytesize(['meliae-dump-after'],
-                                 'make a meliae memory profiling dump '
-                                 'after this many bytes have been backed up, '
-                                 '0 means no dump (default: %default)')
-        self.config['meliae-dump-after'] = str(0)
+        self.config.new_boolean(['dump-memory-profile'],
+                                'make memory profiling dumps '
+                                'after each checkpoint and at end?')
 
         self.pm = obnamlib.PluginManager()
         self.pm.locations = [self.plugins_dir()]
diff --git a/obnamlib/plugins/backup_plugin.py b/obnamlib/plugins/backup_plugin.py
index f25d1293..bb7f6c1d 100644
--- a/obnamlib/plugins/backup_plugin.py
+++ b/obnamlib/plugins/backup_plugin.py
@@ -76,6 +76,7 @@ class BackupPlugin(obnamlib.ObnamPlugin):
         self.exclude_pats = [re.compile(x) for x in self.app.config['exclude']]
 
         last_checkpoint = 0
+        self.meliae_counter = 0
         interval = self.app.config['checkpoint']
 
         if roots:
@@ -114,6 +115,8 @@ class BackupPlugin(obnamlib.ObnamPlugin):
                         self.store.lock_client(client_name)
                         self.store.start_generation()
                         last_checkpoint = storefs.bytes_written
+                        if self.app.config['dump-meliae']:  
+                            self.dump_memory_profile()
 
                 self.backup_parents('.')
 
@@ -124,6 +127,10 @@ class BackupPlugin(obnamlib.ObnamPlugin):
         storefs.close()
 
         logging.info('Backup finished.')
+        self.dump_memory_profile()
+
+    def dump_memory_profile(self):
+        pass
 
     def find_files(self, root):
         '''Find all files and directories that need to be backed up.