OPT_STRING_NOEMPTY 1274 tools/perf/builtin-diff.c 	OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator",
OPT_STRING_NOEMPTY  421 tools/perf/builtin-mem.c 	OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep,
OPT_STRING_NOEMPTY 1146 tools/perf/builtin-report.c 	OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator",