> `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 following section of man page is also updated. (`man -l > src/jdk.jcmd/share/man/jcmd.1`) > > > Compiler.perfmap [arguments] (Linux only) > Write map file for Linux perf tool. > > Impact: Low > > arguments: > > ยท filename: (Optional) Name of the map file (STRING, no default > value) > > If filename is not specified, a default file name is chosen > using the pid of the target JVM process. For example, if the pid is 12345, > then > the default filename will be /tmp/perf-12345.map.
Yi-Fan Tsai has updated the pull request incrementally with one additional commit since the last revision: Update copyright of PerfMapTest ------------- Changes: - all: https://git.openjdk.org/jdk/pull/15871/files - new: https://git.openjdk.org/jdk/pull/15871/files/dbe223c5..e1b0b162 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=15871&range=07 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15871&range=06-07 Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 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
