RFR: 8314029: Add file name parameter to Compiler.perfmap [v4]
Yi-Fan Tsai
duke at openjdk.org
Mon Nov 27 17:09:20 UTC 2023
> `jcmd Compiler.perfmap` uses the hard-coded file name for a perf map: `/tmp/perf-%d.map`. This change adds an optional argument for specifying a file name.
>
> `jcmd PID help Compiler.perfmap` shows the following usage.
>
>
> Compiler.perfmap
> Write map file for Linux perf tool.
>
> Impact: Low
>
> Syntax : Compiler.perfmap [<filename>]
>
> Arguments:
> filename : [optional] Name of the map file (STRING, no default value)
>
>
> The man page of jcmd will be updated in a separate PR.
Yi-Fan Tsai has updated the pull request incrementally with one additional commit since the last revision:
Fix PerfMapTest
-------------
Changes:
- all: https://git.openjdk.org/jdk/pull/15871/files
- new: https://git.openjdk.org/jdk/pull/15871/files/61d6f6f4..0ec20ea3
Webrevs:
- full: https://webrevs.openjdk.org/?repo=jdk&pr=15871&range=03
- incr: https://webrevs.openjdk.org/?repo=jdk&pr=15871&range=02-03
Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
Patch: https://git.openjdk.org/jdk/pull/15871.diff
Fetch: git fetch https://git.openjdk.org/jdk.git pull/15871/head:pull/15871
PR: https://git.openjdk.org/jdk/pull/15871
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