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authorGravatar ncteisen <ncteisen@gmail.com>2017-07-13 07:15:58 -0700
committerGravatar ncteisen <ncteisen@gmail.com>2017-07-13 07:16:19 -0700
commit05dbac6b39ffd1b2df1af0f361e029884dc0bfb7 (patch)
tree12f186616d00c38b000d8ca4db378c1deb8827d7 /doc
parent780ba5dd223790a5e7cc71f2e37d75e8838c5082 (diff)
Update doc
Diffstat (limited to 'doc')
-rw-r--r--doc/environment_variables.md5
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/environment_variables.md b/doc/environment_variables.md
index 7b222b9abf..a283a5ab00 100644
--- a/doc/environment_variables.md
+++ b/doc/environment_variables.md
@@ -85,6 +85,11 @@ some configuration as environment variables that can be set.
'all' can additionally be used to turn all traces on.
Individual traces can be disabled by prefixing them with '-'.
+ 'refcount' will turn on all of the tracers for refcount debugging.
+
+ if 'list_tracers' is present, then all of the available tracers will be
+ printed when the program starts up.
+
Example:
export GRPC_TRACE=all,-pending_tags