Channel trace is limited by memory

1 files changed, 5 insertions, 3 deletions

diff --git a/include/grpc/impl/codegen/grpc_types.h b/include/grpc/impl/codegen/grpc_types.h
index 9ed5b3c1d4..672f130bab 100644
--- a/include/grpc/impl/codegen/grpc_types.h
+++ b/include/grpc/impl/codegen/grpc_types.h
@@ -285,9 +285,11 @@ typedef struct {
 #define GRPC_ARG_SOCKET_MUTATOR "grpc.socket_mutator"
 /** The grpc_socket_factory instance to create and bind sockets. A pointer. */
 #define GRPC_ARG_SOCKET_FACTORY "grpc.socket_factory"
-/** The maximum number of trace events to keep in the tracer for each channel or
- * subchannel. The default is 10. If set to 0, channel tracing is disabled. */
-#define GRPC_ARG_MAX_CHANNEL_TRACE_EVENTS_PER_NODE \
+/** The maximum ammount of memory that the trace event can use per channel
+ * trace node. Once the maximum is reached, subsequent events will evict the
+ * oldest events from the buffer. The unit for this knob is bytes. Setting
+ * it to zero causes channel tracing to be disabled. */
+#define GRPC_ARG_MAX_CHANNEL_TRACE_EVENT_MEMORY_PER_NODE \
   "grpc.max_channel_trace_events_per_node"
 /** If non-zero, gRPC library will track stats and information at at per channel
  * level. Disabling channelz naturally disables channel tracing. The default