Mon, 12 Aug 2019 18:30:40 +0300
8223147: JFR Backport
8199712: Flight Recorder
8203346: JFR: Inconsistent signature of jfr_add_string_constant
8195817: JFR.stop should require name of recording
8195818: JFR.start should increase autogenerated name by one
8195819: Remove recording=x from jcmd JFR.check output
8203921: JFR thread sampling is missing fixes from JDK-8194552
8203929: Limit amount of data for JFR.dump
8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording
8003209: JFR events for network utilization
8207392: [PPC64] Implement JFR profiling
8202835: jfr/event/os/TestSystemProcess.java fails on missing events
Summary: Backport JFR from JDK11. Initial integration
Reviewed-by: neugens
1 -Xmixed mixed mode execution (default)
2 -Xint interpreted mode execution only
3 -Xbootclasspath:<directories and zip/jar files separated by ;>
4 set search path for bootstrap classes and resources
5 -Xbootclasspath/a:<directories and zip/jar files separated by ;>
6 append to end of bootstrap class path
7 -Xbootclasspath/p:<directories and zip/jar files separated by ;>
8 prepend in front of bootstrap class path
9 -Xnoclassgc disable class garbage collection
10 -Xincgc enable incremental garbage collection
11 -Xloggc:<file> log GC status to a file with time stamps
12 -Xbatch disable background compilation
13 -Xms<size> set initial Java heap size
14 -Xmx<size> set maximum Java heap size
15 -Xss<size> set java thread stack size
16 -Xprof output cpu profiling data
17 -Xfuture enable strictest checks, anticipating future default
18 -Xrs reduce use of OS signals by Java/VM (see documentation)
19 -Xcheck:jni perform additional checks for JNI functions
20 -Xshare:off do not attempt to use shared class data
21 -Xshare:auto use shared class data if possible (default)
22 -Xshare:on require using shared class data, otherwise fail.
24 The -X options are non-standard and subject to change without notice.