Author: Armin Rigo <[email protected]>
Branch: vmprof-review
Changeset: r78736:e58e68d58e42
Date: 2015-08-02 10:13 +0200
http://bitbucket.org/pypy/pypy/changeset/e58e68d58e42/
Log: tweaks
diff --git a/rpython/rlib/rvmprof/rvmprof.py b/rpython/rlib/rvmprof/rvmprof.py
--- a/rpython/rlib/rvmprof/rvmprof.py
+++ b/rpython/rlib/rvmprof/rvmprof.py
@@ -11,12 +11,13 @@
class VMProf(object):
def __init__(self):
+ "NOT_RPYTHON: use get_vmprof()"
self._code_classes = set()
self._gather_all_code_objs = lambda: None
self._cleanup_()
def _cleanup_(self):
- self._current_codes = StringBuilder()
+ self._current_codes = None
if sys.maxint == 2147483647:
self._code_unique_id = 0 # XXX this is wrong, it won't work on
32bit
else:
@@ -26,11 +27,15 @@
def register_code(self, code, name):
"""Register the code object. Call when a new code object is made.
"""
- uid = self._code_unique_id
- self._code_unique_id = uid + 4 # so we have two bits to mark stuff
+ if code._vmprof_unique_id != 0:
+ return
+ uid = self._code_unique_id + 4 # so we have two bits to mark stuff
code._vmprof_unique_id = uid
+ self._code_unique_id = uid
#
b = self._current_codes
+ if b is None:
+ b = self._current_codes = StringBuilder()
b.append('\x02')
write_long_to_string_builder(uid, b)
write_long_to_string_builder(len(name), b)
@@ -71,16 +76,11 @@
def write_long_to_string_builder(l, b):
- if sys.maxint == 2147483647:
- b.append(chr(l & 0xff))
- b.append(chr((l >> 8) & 0xff))
- b.append(chr((l >> 16) & 0xff))
- b.append(chr((l >> 24) & 0xff))
- else:
- b.append(chr(l & 0xff))
- b.append(chr((l >> 8) & 0xff))
- b.append(chr((l >> 16) & 0xff))
- b.append(chr((l >> 24) & 0xff))
+ b.append(chr(l & 0xff))
+ b.append(chr((l >> 8) & 0xff))
+ b.append(chr((l >> 16) & 0xff))
+ b.append(chr((l >> 24) & 0xff))
+ if sys.maxint > 2147483647:
b.append(chr((l >> 32) & 0xff))
b.append(chr((l >> 40) & 0xff))
b.append(chr((l >> 48) & 0xff))
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