| getline(ThreadContext, IRubyObject[]) |   | 36% | | 17% | 23 | 25 | 37 | 63 | 0 | 1 |
| read(ThreadContext, IRubyObject[]) | | 32% | | 25% | 15 | 16 | 27 | 43 | 0 | 1 |
| write(ThreadContext, IRubyObject) | | 0% | | 0% | 7 | 7 | 22 | 22 | 1 | 1 |
| puts(ThreadContext, IRubyObject, IRubyObject[]) | | 0% | | 0% | 10 | 10 | 22 | 22 | 1 | 1 |
| each_codepoint(ThreadContext, Block) | | 0% | | 0% | 3 | 3 | 13 | 13 | 1 | 1 |
| seek(ThreadContext, IRubyObject[]) | | 0% | | 0% | 8 | 8 | 17 | 17 | 1 | 1 |
| each(ThreadContext, IRubyObject[], Block) | | 0% | | 0% | 7 | 7 | 8 | 8 | 1 | 1 |
| ungetbyteCommon(RubyString) | | 0% | | 0% | 4 | 4 | 13 | 13 | 1 | 1 |
| readlines(ThreadContext, IRubyObject[]) | | 0% | | 0% | 6 | 6 | 9 | 9 | 1 | 1 |
| bm_search(byte[], int, int, byte[], int, int, int[]) | | 0% | | 0% | 5 | 5 | 10 | 10 | 1 | 1 |
| strioInit(ThreadContext, IRubyObject[]) | | 64% | | 39% | 9 | 11 | 10 | 29 | 0 | 1 |
| ungetbyteCommon(int) | | 0% | | 0% | 3 | 3 | 9 | 9 | 1 | 1 |
| each_byte(ThreadContext, Block) | | 0% | | 0% | 3 | 3 | 7 | 7 | 1 | 1 |
| strioExtend(int, int) | | 0% | | 0% | 3 | 3 | 12 | 12 | 1 | 1 |
| open(ThreadContext, IRubyObject, IRubyObject[], Block) | | 0% | | 0% | 2 | 2 | 8 | 8 | 1 | 1 |
| truncate(IRubyObject) | | 0% | | 0% | 3 | 3 | 10 | 10 | 1 | 1 |
| getc(ThreadContext) | | 0% | | 0% | 2 | 2 | 6 | 6 | 1 | 1 |
| initialize_copy(ThreadContext, IRubyObject) | | 0% | | 0% | 2 | 2 | 8 | 8 | 1 | 1 |
| putc(ThreadContext, IRubyObject) | | 0% | | 0% | 2 | 2 | 9 | 9 | 1 | 1 |
| set_string(IRubyObject) | | 0% | | 0% | 2 | 2 | 7 | 7 | 1 | 1 |
| getbyte(ThreadContext) | | 0% | | 0% | 2 | 2 | 4 | 4 | 1 | 1 |
| set_encoding(ThreadContext, IRubyObject) | | 0% | | 0% | 3 | 3 | 7 | 7 | 1 | 1 |
| each_char(ThreadContext, Block) | | 0% | | 0% | 3 | 3 | 4 | 4 | 1 | 1 |
| reopen(ThreadContext, IRubyObject[]) | | 0% | | 0% | 3 | 3 | 5 | 5 | 1 | 1 |
| ungetbyte(ThreadContext, IRubyObject) | | 0% | | 0% | 3 | 3 | 7 | 7 | 1 | 1 |
| bm_init_skip(int[], byte[], int, int) | | 0% | | 0% | 3 | 3 | 5 | 5 | 1 | 1 |
| inspectPuts(ThreadContext, IRubyObject, RubyArray) | | 0% | | n/a | 1 | 1 | 4 | 4 | 1 | 1 |
| lines(ThreadContext, IRubyObject[], Block) | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| makeString(Ruby, ByteList, boolean) | | 0% | | 0% | 3 | 3 | 4 | 4 | 1 | 1 |
| codepoints(ThreadContext, Block) | | 0% | | 0% | 2 | 2 | 4 | 4 | 1 | 1 |
| eof(ThreadContext) | | 0% | | 0% | 2 | 2 | 4 | 4 | 1 | 1 |
| set_pos(IRubyObject) | | 0% | | 0% | 2 | 2 | 5 | 5 | 1 | 1 |
| each_line(ThreadContext, IRubyObject[], Block) | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| readline(ThreadContext, IRubyObject[]) | | 0% | | 0% | 2 | 2 | 3 | 3 | 1 | 1 |
| sysread(ThreadContext, IRubyObject[]) | | 0% | | 0% | 2 | 2 | 3 | 3 | 1 | 1 |
| writable() | | 0% | | 0% | 3 | 3 | 1 | 1 | 1 | 1 |
| closed() | | 0% | | 0% | 3 | 3 | 1 | 1 | 1 | 1 |
| read_nonblock(ThreadContext, IRubyObject[]) | | 0% | | 0% | 2 | 2 | 4 | 4 | 1 | 1 |
| readchar(ThreadContext) | | 0% | | 0% | 2 | 2 | 3 | 3 | 1 | 1 |
| readbyte(ThreadContext) | | 0% | | 0% | 2 | 2 | 3 | 3 | 1 | 1 |
| rewind(ThreadContext) | | 0% | | n/a | 1 | 1 | 4 | 4 | 1 | 1 |
| close(ThreadContext) | | 0% | | n/a | 1 | 1 | 4 | 4 | 1 | 1 |
| printf(ThreadContext, IRubyObject[]) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| checkModifiable() | | 0% | | 0% | 2 | 2 | 3 | 3 | 1 | 1 |
| closed_read_p() | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| closed_write_p() | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| length() | | 0% | | n/a | 1 | 1 | 3 | 3 | 1 | 1 |
| close_read(ThreadContext) | | 0% | | n/a | 1 | 1 | 3 | 3 | 1 | 1 |
| close_write(ThreadContext) | | 0% | | n/a | 1 | 1 | 3 | 3 | 1 | 1 |
| string(ThreadContext) | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| checkWritable() | | 0% | | 0% | 2 | 2 | 4 | 4 | 1 | 1 |
| chars(ThreadContext, Block) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| checkFinalized() | | 0% | | 0% | 2 | 2 | 3 | 3 | 1 | 1 |
| pos(ThreadContext) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| external_encoding(ThreadContext) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| checkOpen() | | 0% | | 0% | 2 | 2 | 3 | 3 | 1 | 1 |
| append(ThreadContext, IRubyObject) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| closed_p() | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| set_lineno(ThreadContext, IRubyObject) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| strioSubstr(Ruby, int, int) | | 83% | | 50% | 3 | 4 | 0 | 9 | 0 | 1 |
| lineno(ThreadContext) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| puts(ThreadContext, IRubyObject[]) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| sysread(IRubyObject[]) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| ungetc(ThreadContext, IRubyObject) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| syswrite_nonblock(ThreadContext, IRubyObject[]) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| setEncoding(Encoding) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| makeString(Ruby, ByteList) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| sync(ThreadContext) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| checkReadable() | | 55% | | 50% | 1 | 2 | 1 | 4 | 0 | 1 |
| checkInitialized() | | 44% | | 50% | 1 | 2 | 1 | 3 | 0 | 1 |
| getEncoding() | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| strio_unimpl(ThreadContext, IRubyObject[]) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| print(ThreadContext, IRubyObject[]) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| syswrite(ThreadContext, IRubyObject) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| set_encoding(ThreadContext, IRubyObject, IRubyObject) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| set_encoding(ThreadContext, IRubyObject, IRubyObject, IRubyObject) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| checkFrozen() | | 0% | | n/a | 1 | 1 | 3 | 3 | 1 | 1 |
| strioZero(ThreadContext) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| strioFirst(IRubyObject) | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 |
| strioFalse(ThreadContext) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| strioNil(ThreadContext) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| internal_encoding(ThreadContext) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| readable() | | 93% | | 50% | 2 | 3 | 0 | 1 | 0 | 1 |
| createStringIOClass(Ruby) | | 100% | | 50% | 1 | 2 | 0 | 7 | 0 | 1 |
| initialize(ThreadContext, IRubyObject[]) | | 100% | | 50% | 1 | 2 | 0 | 4 | 0 | 1 |
| gets(ThreadContext, IRubyObject[]) | | 100% | | n/a | 0 | 1 | 0 | 4 | 0 | 1 |
| isEndOfString() | | 100% | | 100% | 0 | 2 | 0 | 1 | 0 | 1 |
| static {...} | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| StringIO(Ruby, RubyClass) | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| strio_self() | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |