10 Commits

Author SHA1 Message Date
Zhengyu Gu
4382d40555 8011760: assert(delta != 0) failed: dup pointer in MemBaseline::malloc_sort_by_addr
Some of qsort implementation on Linux x86 compares element to itself, which is  mistakenly treated as duplicate pointer

Reviewed-by: dcubed, acorn
2013-07-09 13:18:16 -04:00
Zhengyu Gu
737454c744 8011968: Kitchensink crashed with SIGSEGV in MemBaseline::baseline
Simple fix to add NULL pointer check that can cause segv

Reviewed-by: coleenp, ctornqvi
2013-06-14 09:18:42 -04:00
Staffan Larsen
718f3252f6 8005849: JEP 167: Event-Based JVM Tracing
Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Co-authored-by: Bengt Rutisson <bengt.rutisson@oracle.com>
Co-authored-by: Calvin Cheung <calvin.cheung@oracle.com>
Co-authored-by: Erik Gahlin <erik.gahlin@oracle.com>
Co-authored-by: Erik Helin <erik.helin@oracle.com>
Co-authored-by: Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>
Co-authored-by: Keith McGuigan <keith.mcguigan@oracle.com>
Co-authored-by: Mattias Tobiasson <mattias.tobiasson@oracle.com>
Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com>
Co-authored-by: Mikael Auno <mikael.auno@oracle.com>
Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com>
Co-authored-by: Nils Loodin <nils.loodin@oracle.com>
Co-authored-by: Rickard Backman <rickard.backman@oracle.com>
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
Reviewed-by: acorn, coleenp, sla
2013-06-10 11:30:51 +02:00
Zhengyu Gu
a2f5f4ca1b 8013214: BigApps fails due to 'fatal error: Illegal threadstate encountered: 6'
Grab and drop SR_lock to get the thread to honor the safepoint protocol

Reviewed-by: dcubed, coleenp
2013-04-30 09:17:06 -04:00
Zhengyu Gu
3a817dc8b4 8011218: Kitchensink hanged, likely NMT is to blame
Made NMT query safepoint aware.

Reviewed-by: dholmes, coleenp
2013-04-24 14:55:04 -04:00
Christian Tornqvist
111ddcc827 8005012: Add WB APIs to better support NMT testing
Add WB API functions to enable better NMT testing

Reviewed-by: dholmes, zgu
2013-02-01 23:48:08 +01:00
Zhengyu Gu
5c6318e816 8005048: NMT: #loaded classes needs to just show the # defined classes
Count number of instance classes so that it matches class metadata size

Reviewed-by: coleenp, acorn
2013-01-08 14:04:25 -05:00
Zhengyu Gu
f47de1cb41 8001592: NMT: assertion failed: assert(_amount >= amt) failed: Just check: memBaseline.hpp:180
Fixed NMT that miscounted arena memory when it is used as value or stack object.

Reviewed-by: acorn, coleenp
2012-11-09 19:24:31 -05:00
Zhengyu Gu
3e481cdd81 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
Enhanced virtual memory tracking to track committed regions as well as reserved regions, so NMT now can generate virtual memory map.

Reviewed-by: acorn, coleenp
2012-10-19 21:40:07 -04:00
Zhengyu Gu
a39b17624a 6995781: Native Memory Tracking (Phase 1)
7151532: DCmd for hotspot native memory tracking

Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd

Reviewed-by: acorn, coleenp, fparain
2012-06-28 17:03:16 -04:00