RFR: JDK-8302656: Missing spaces in output of -XX:+CIPrintMethodCodes
Tobias Hartmann
thartmann at openjdk.org
Mon Feb 20 07:33:24 UTC 2023
On Thu, 16 Feb 2023 13:39:58 GMT, Tobias Holenstein <tholenstein at openjdk.org> wrote:
> When printing bytecode and method data with `-XX:+CIPrintMethodCodes` we got some lines with missing whitespace:
> ```
> 11760bci: 1895VirtualCallData count(0) nonprofiled_count(0) entries(0)
> ```
>
> The reason for this is the use of `st->fill_to(6);` which fills up the stream with whitespace up to length 6. In our case we have 2 whitespaces before and then a numbers >=1000 which already adds up to 6+ characters in the stream.
>
> **Solution**: Always add a whitespace afterwards. Now
>
>
> 0 bci: 2 VirtualCallData count(0) nonprofiled_count(0) entries(0)
> 48 bci: 19 VirtualCallData count(0) nonprofiled_count(0) entries(0)
> 552 bci: 109 VirtualCallData count(0) nonprofiled_count(0) entries(0)
> 7320 bci: 1207 VirtualCallData count(0) nonprofiled_count(0) entries(0)
> 11760 bci: 1895 VirtualCallData count(0) nonprofiled_count(0) entries(0)
Looks good.
-------------
Marked as reviewed by thartmann (Reviewer).
PR: https://git.openjdk.org/jdk/pull/12591
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