trace_buffer_allocate  486 tools/testing/selftests/powerpc/pmu/ebb/ebb.c 	ebb_state.trace = trace_buffer_allocate(1 * 1024 * 1024);
trace_buffer_allocate   32 tools/testing/selftests/powerpc/pmu/ebb/trace.h struct trace_buffer *trace_buffer_allocate(u64 size);