From c9af5e99dc78cb39bf3b52df5b905c9ded56293c Mon Sep 17 00:00:00 2001
From: Marcel Koch <marcel.koch@uni-muenster.de>
Date: Fri, 22 Feb 2019 13:15:29 +0100
Subject: [PATCH] prints warning if likwid is used with instrumentation level 3
I've already mentioned this problem in [!314] but I think more
visibility for this problem is useful
---
python/dune/codegen/pdelab/driver/timings.py | 3 +++
1 file changed, 3 insertions(+)
diff --git a/python/dune/codegen/pdelab/driver/timings.py b/python/dune/codegen/pdelab/driver/timings.py
index 4a3d265f..aeca64d4 100644
--- a/python/dune/codegen/pdelab/driver/timings.py
+++ b/python/dune/codegen/pdelab/driver/timings.py
@@ -133,6 +133,9 @@ def setup_timer():
include_file("likwid.h", filetag="driver")
init_likwid()
if get_option('instrumentation_level') >= 3:
+ import logging
+ logger = logging.getLogger(__name__)
+ logger.warning("timings: using instrumentation level >= 3 with likwid will slow down your code considerably")
local_operator_likwid()
finalize_likwid()
else:
--
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