Symbol: FTRACE_PID_TRACE
kernel/trace/fgraph.c
1207
if (pid != FTRACE_PID_TRACE &&
kernel/trace/ftrace.c
182
if (pid != FTRACE_PID_TRACE &&
kernel/trace/ftrace.c
8672
per_cpu_ptr(tr->array_buffer.data, cpu)->ftrace_ignore_pid = FTRACE_PID_TRACE;