LEN_OR_ZERO       988 kernel/trace/trace_events_hist.c #define LEN_OR_ZERO (len ? len - pos : 0)
LEN_OR_ZERO      1004 kernel/trace/trace_events_hist.c #undef LEN_OR_ZERO
LEN_OR_ZERO       840 kernel/trace/trace_probe.c #define LEN_OR_ZERO (len ? len - pos : 0)
LEN_OR_ZERO       901 kernel/trace/trace_probe.c #undef LEN_OR_ZERO
LEN_OR_ZERO       214 kernel/trace/trace_syscalls.c #define LEN_OR_ZERO (len ? len - pos : 0)
LEN_OR_ZERO       229 kernel/trace/trace_syscalls.c #undef LEN_OR_ZERO