pipe_close 5926 kernel/trace/trace.c if (iter->trace->pipe_close) pipe_close 5927 kernel/trace/trace.c iter->trace->pipe_close(iter); pipe_close 476 kernel/trace/trace.h void (*pipe_close)(struct trace_iterator *iter); pipe_close 1287 kernel/trace/trace_functions_graph.c .pipe_close = graph_trace_close,