comp_ver 70 tools/perf/util/env.h u32 comp_ver; comp_ver 1379 tools/perf/util/header.c ret = do_write(ff, &(ff->ph->env.comp_ver), sizeof(ff->ph->env.comp_ver)); comp_ver 2794 tools/perf/util/header.c if (do_read_u32(ff, &(ff->ph->env.comp_ver)))