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authorAntoine Pitrou <pitrou@free.fr>2017-11-07 16:50:48 (GMT)
committerGitHub <noreply@github.com>2017-11-07 16:50:48 (GMT)
commitd8d218ffda6b7569625ff9edadbbc9a2b1055e32 (patch)
tree1c0346361bddaaf5febd26429f0464ee94b1a237 /Lib/asyncio/constants.py
parent518c6b97868d9c665475a40567b0aa417afad607 (diff)
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[3.6] bpo-31970: Reduce performance overhead of asyncio debug mode. (GH-4314) (#4322)
* bpo-31970: Reduce performance overhead of asyncio debug mode.. (cherry picked from commit 921e9432a1461bbf312c9c6dcc2b916be6c05fa0)
Diffstat (limited to 'Lib/asyncio/constants.py')
-rw-r--r--Lib/asyncio/constants.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/asyncio/constants.py b/Lib/asyncio/constants.py
index f9e1232..e74209e 100644
--- a/Lib/asyncio/constants.py
+++ b/Lib/asyncio/constants.py
@@ -5,3 +5,8 @@ LOG_THRESHOLD_FOR_CONNLOST_WRITES = 5
# Seconds to wait before retrying accept().
ACCEPT_RETRY_DELAY = 1
+
+# Number of stack entries to capture in debug mode.
+# The large the number, the slower the operation in debug mode
+# (see extract_stack() in events.py)
+DEBUG_STACK_DEPTH = 10