asgardius/virtualx-engine
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

prune cache only at the start and end of build

Browse source 
(cherry picked from commit 29e6ec6594)
This commit is contained in:
Rhody Lugo 2018-03-01 23:43:15 -04:00 committed by Hein-Pieter van Braam
parent c4468aef5d
commit 5c2e554853
1 changed files with 2 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
SConstruct
View file

@ -498,7 +498,6 @@ screen = sys.stdout
node_count = 0 node_count = 0
node_count_max = 0 node_count_max = 0
node_count_interval = 1 node_count_interval = 1
node_pruning = 8 # Number of nodes to process before prunning the cache
if ('env' in locals()): if ('env' in locals()):
node_count_fname = str(env.Dir('#')) + '/.scons_node_count' node_count_fname = str(env.Dir('#')) + '/.scons_node_count'
# Progress reporting is not available in non-TTY environments since it # Progress reporting is not available in non-TTY environments since it
@ -513,17 +512,15 @@ import time, math
class cache_progress: class cache_progress:
# The default is 1 GB cache and 12 hours half life # The default is 1 GB cache and 12 hours half life
def __init__(self, path = None, limit = 1073741824, half_life = 43200): def __init__(self, path = None, limit = 1073741824, half_life = 43200):
global node_pruning
self.path = path self.path = path
self.limit = limit self.limit = limit
self.exponent_scale = math.log(2) / half_life self.exponent_scale = math.log(2) / half_life
if env['verbose'] and path != None: if env['verbose'] and path != None:
screen.write('Current cache limit is ' + self.convert_size(limit) + ' (used: ' + self.convert_size(self.get_size(path)) + ')\n') screen.write('Current cache limit is ' + self.convert_size(limit) + ' (used: ' + self.convert_size(self.get_size(path)) + ')\n')
self.pruning = node_pruning
self.delete(self.file_list()) self.delete(self.file_list())
def __call__(self, node, *args, **kw): def __call__(self, node, *args, **kw):
global node_count, node_count_max, node_count_interval, node_count_fname, node_pruning, show_progress global node_count, node_count_max, node_count_interval, node_count_fname, show_progress
if show_progress: if show_progress:
# Print the progress percentage # Print the progress percentage
node_count += node_count_interval node_count += node_count_interval
@ -536,11 +533,6 @@ class cache_progress:
else: else:
screen.write('\r[Initial build] ') screen.write('\r[Initial build] ')
screen.flush() screen.flush()
# Prune if the number of nodes processed is 'node_pruning' or bigger
self.pruning -= node_count_interval
if self.pruning <= 0:
self.pruning = node_pruning
self.delete(self.file_list())
def delete(self, files): def delete(self, files):
if len(files) == 0: if len(files) == 0:
@ -548,7 +540,7 @@ class cache_progress:
if env['verbose']: if env['verbose']:
# Utter something # Utter something
screen.write('\rPurging %d %s from cache...\n' % (len(files), len(files) > 1 and 'files' or 'file')) screen.write('\rPurging %d %s from cache...\n' % (len(files), len(files) > 1 and 'files' or 'file'))
map(os.remove, files) [os.remove(f) for f in files]
def file_list(self): def file_list(self):
if self.path == None: if self.path == None: