PERF_ELF_C_READ_MMAP 31 tools/perf/util/symbol.h # define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP PERF_ELF_C_READ_MMAP 33 tools/perf/util/symbol.h # define PERF_ELF_C_READ_MMAP ELF_C_READ