[pypy-commit] pypy default: Untested and hard-to-test, but for symmetry reasons if we

[arigo]

Author: Armin Rigo <ar...@tunes.org>
Branch: 
Changeset: r93123:386b50664e3e
Date: 2017-11-22 23:21 +0100
http://bitbucket.org/pypy/pypy/changeset/386b50664e3e/

Log:    Untested and hard-to-test, but for symmetry reasons if we don't call
        start_sampling() here then it means sampling will not restart after
        some switches

diff --git a/rpython/rlib/rstacklet.py b/rpython/rlib/rstacklet.py
--- a/rpython/rlib/rstacklet.py
+++ b/rpython/rlib/rstacklet.py
@@ -26,12 +26,14 @@
     def new(self, callback, arg=llmemory.NULL):
         if DEBUG:
             callback = _debug_wrapper(callback)
+        rvmprof.stop_sampling()
         x = cintf.save_rvmprof_stack()
         try:
             cintf.empty_rvmprof_stack()
             h = self._gcrootfinder.new(self, callback, arg)
         finally:
             cintf.restore_rvmprof_stack(x)
+            rvmprof.start_sampling()
         if DEBUG:
             debug.add(h)
         return h
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