Reviewed-by: shade, apetushkov

Summary: Use %7s for the dev scan format as major:minor may be up to that length
Reviewed-by: mgronlun, jwilhelm

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

Summary: Summary: os::readdir uses POSIX readdir, drop buffer arg, fix JFR uses.
Reviewed-by: coleenp, tschatzl, bsrbnd, shade, phh

Summary: implement os::set_native_thread_name() on windows, linux
Reviewed-by: sla, ctornqvi, simonis
Contributed-by: thomas.stuefe@sap.com

Summary: Backport from JDK9
Reviewed-by: dholmes, coffeys

Reviewed-by: bobv, dbuck

Reviewed-by: bobv, dbuck

Reviewed-by: dholmes, phh

Reviewed-by: dholmes, zgu

Summary: Use numa_interleave_memory v2 api when available
Reviewed-by: dholmes, shade, gromero

Reviewed-by: dcubed, sspitsyn, gtriantafill

Reviewed-by: dcubed, sspitsyn, gtriantafill

Reviewed-by: dcubed, sspitsyn, gtriantafill

8073139: PPC64: User-visible arch directory and os.arch value on ppc64le cause issues with Java tooling
Reviewed-by: erikj, goetz, dholmes

Summary: extract processor count from sched_getaffinity mask
Reviewed-by: dholmes, gthornbr

Summary: extract processor count from sched_getaffinity mask
Reviewed-by: dholmes, gthornbr

Summary: use processor_count(), not active_processor_count() to determine physical number of CPUs
Reviewed-by: rehn, cjplummer

Summary: extract processor count from sched_getaffinity mask
Reviewed-by: dholmes, gthornbr

Reviewed-by: vkempik, shshahma

Summary: use processor_count(), not active_processor_count() to determine physical number of CPUs
Reviewed-by: rehn, cjplummer

Summary: extract processor count from sched_getaffinity mask
Reviewed-by: dholmes, gthornbr

Reviewed-by: stuefe, coleenp, roland

Reviewed-by: bdelsart, ddmitriev, dcubed

Reviewed-by: sla, dsamersoff, gthornbr
Contributed-by: cheleswer.sahu@oracle.com

Reviewed-by: sla, dsamersoff, gthornbr
Contributed-by: cheleswer.sahu@oracle.com

Reviewed-by: dsamersoff, kbarrett, hseigel

Reviewed-by: stuefe, dsamersoff, dcubed

Summary: Fixed by removing all code related to LowMemoryProtection, which removed offending code.
Reviewed-by: dholmes, minqi

6536943: Bogus -Xcheck:jni warning for SIG_INT action for SIGINT in JVM started from non-interactive shell
Summary: check_signal_handler will print out Warning for SHURDOWN2_SIGNAL (SIGINT) is replaced by non-interactive shell. Fix by supply more information of the replacement to user.
Reviewed-by: dholmes
Contributed-by: yumin.qi@oracle.com

Summary: refactor close to remove references to closed ports
Reviewed-by: kvn, simonis, sgehwolf, dholmes

Reviewed-by: dcubed, pnauman, ctornqvi, dholmes, mschoene
Contributed-by: gerald.thornbrugh@oracle.com

Reviewed-by: dcubed, pnauman, ctornqvi, dholmes, mschoene
Contributed-by: gerald.thornbrugh@oracle.com

Summary: backout fix 8050808 which caused this regression and as requested.
Reviewed-by: hseigel

Reviewed-by: dcubed, dholmes, pnauman, ctornqvi, mschoene
Contributed-by: gerald.thornbrugh@oracle.com

Summary: Cleaned up CDS to be more configurable, maintainable and extensible
Reviewed-by: dholmes, coleenp, acorn, mchung

Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill

8017629: G1: UseSHM in combination with a G1HeapRegionSize > os::large_page_size() falls back to use small pages
Reviewed-by: pliden, sjohanss, stuefe

8077276: allocating heap with UseLargePages and HugeTLBFS may trash existing memory mappings (linux)
Summary: Remove MAP_FIXED from initial mapping allocation; add tests
Reviewed-by: stefank, coleenp

8043029: Change 8037816 breaks HS build with older GCC versions which don't support diagnostic pragmas
8043164: Format warning in traceStream.hpp
Summary: Backport of main fix + two corrections, enables clang compilation, turns on format attributes, corrects/mutes warnings
Reviewed-by: kvn, coleenp, iveresov, twisti