Merge pull request iovisor#1453 from bobrik/patch-2

funcslower: add a note about nested calls
nanshuaibo · Nov 22, 2017 · 8cf1ff5 · 8cf1ff5
2 parents f3bd860 + 525f3e9
commit 8cf1ff5
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/tools/funcslower.py b/tools/funcslower.py
@@ -11,6 +11,9 @@
 # return from each function. For commonly-invoked functions like memory allocs
 # or file writes, this can be extremely expensive. Mind the overhead.
 #
+# NOTE: This tool cannot trace nested functions in the same invocation
+# due to instrumentation specifics, only innermost calls will be visible.
+#
 # By default, a minimum millisecond threshold of 1 is used.
 #
 # Copyright 2017, Sasha Goldshtein