From 9d70ef40b5e6a73ed5011bd7fe48b24f97e4c9f4 Mon Sep 17 00:00:00 2001
From: Yaman Umuroglu <maltanar@gmail.com>
Date: Fri, 1 May 2020 21:11:11 +0100
Subject: [PATCH] [Util] add helper fxn to get rtlsim trace depth setting
---
src/finn/util/basic.py | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/src/finn/util/basic.py b/src/finn/util/basic.py
index 4eb0e6cb8..bc413bf66 100644
--- a/src/finn/util/basic.py
+++ b/src/finn/util/basic.py
@@ -44,6 +44,19 @@ pynq_part_map["Pynq-Z2"] = "xc7z020clg400-1"
pynq_part_map["ZCU104"] = "xczu7ev-ffvc1156-2-e"
+def get_rtlsim_trace_depth():
+ """Return the trace depth for rtlsim via PyVerilator. Controllable
+ via the RTLSIM_TRACE_DEPTH environment variable. If the env.var. is
+ undefined, the default value of 1 is returned. A trace depth of 1
+ will only show top-level signals and yield smaller .vcd files.
+ """
+
+ try:
+ return int(os.environ["RTLSIM_TRACE_DEPTH"])
+ except KeyError:
+ return 1
+
+
def get_num_default_workers():
"""Return the number of workers for parallel transformations. Controllable
via the NUM_DEFAULT_WORKERS environment variable. If the env.var. is
--
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