Author: Tim Felgentreff <[email protected]>
Branch:
Changeset: r525:131776c331c9
Date: 2013-12-16 15:07 +0100
http://bitbucket.org/pypy/lang-smalltalk/changeset/131776c331c9/
Log: make interrupt check counter configurable via envvar
diff --git a/spyvm/interpreter.py b/spyvm/interpreter.py
--- a/spyvm/interpreter.py
+++ b/spyvm/interpreter.py
@@ -1,4 +1,5 @@
import py
+import os
from spyvm.shadow import ContextPartShadow, MethodContextShadow,
BlockContextShadow, MethodNotFound
from spyvm import model, constants, primitives, conftest, wrapper
from spyvm.tool.bitmanipulation import splitter
@@ -42,7 +43,11 @@
self.remaining_stack_depth = max_stack_depth
self._loop = False
self.next_wakeup_tick = 0
- self.interrupt_check_counter = constants.INTERRUPT_COUNTER_SIZE
+ try:
+ self.interrupt_counter_size = int(os.environ.get("SPY_ICS"))
+ except KeyError:
+ self.interrupt_counter_size = constants.INTERRUPT_COUNTER_SIZE
+ self.interrupt_check_counter = self.interrupt_counter_size
#
######################################################################
self.trace = trace
self.trace_proxy = False
@@ -157,7 +162,7 @@
s_frame.push(w_receiver)
s_frame.push_all(list(arguments_w))
- self.interrupt_check_counter = constants.INTERRUPT_COUNTER_SIZE
+ self.interrupt_check_counter = self.interrupt_counter_size
try:
self.loop(s_frame.w_self())
except ReturnFromTopLevel, e:
@@ -166,7 +171,7 @@
def quick_check_for_interrupt(self, s_frame, dec=1):
self.interrupt_check_counter -= dec
if self.interrupt_check_counter <= 0:
- self.interrupt_check_counter = constants.INTERRUPT_COUNTER_SIZE
+ self.interrupt_check_counter = self.interrupt_counter_size
self.check_for_interrupts(s_frame)
def check_for_interrupts(self, s_frame):
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