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Type: Bug
Resolution: Fixed
Priority: P3
Fix Version/s: 9
Affects Version/s: 6, 7, 8, 9
Component/s: hotspot
Labels:

Subcomponent:
runtime
Resolved In Build:
b107
CPU:

x86
OS:

linux, solaris_8

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8197250	8u192	Shafi Ahmad	P3	Resolved	Fixed	b01
JDK-8195255	8u172	Shafi Ahmad	P3	Resolved	Fixed	b03
JDK-8190021	8u162	Shafi Ahmad	P3	Resolved	Fixed	b04
JDK-8183634	8u161	Shafi Ahmad	P3	Resolved	Fixed	b01
JDK-8166105	8u152	Shafi Ahmad	P3	Resolved	Fixed	b01
JDK-8175145	8u151	Shafi Ahmad	P3	Resolved	Fixed	b01
JDK-8185179	8u144	Shafi Ahmad	P3	Resolved	Fixed	b31
JDK-8177172	8u141	Unassigned	P3	Resolved	Fixed	b01
JDK-8174019	8u131	Shafi Ahmad	P3	Resolved	Fixed	b06
JDK-8173345	8u121	Shafi Ahmad	P3	Closed	Fixed	b32
JDK-8192167	emb-8u161	Shafi Ahmad	P3	Resolved	Fixed	b01
JDK-8184494	emb-8u151	Unassigned	P3	Resolved	Fixed	b01
JDK-8178565	emb-8u141	Unassigned	P3	Resolved	Fixed	b01
JDK-8174180	emb-8u131	Shafi Ahmad	P3	Resolved	Fixed	b06

FULL PRODUCT VERSION :
java version "1.6.0"
Java(TM) SE Runtime Environment (build 1.6.0-b105)
Java HotSpot(TM) 64-Bit Server VM (build 1.6.0-b105, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
#1 SMP Tue Aug 29 10:40:40 UTC 2006 x86_64 x86_64 x86_64 GNU/Linux

A DESCRIPTION OF THE PROBLEM :
When limiting the available CPUs by Linux 'taskset' command, JVM obeys this limitation but Runtime.availableProcessors() always returns the number of CPUs where the hardware has.

REPRODUCIBILITY :
This bug can be reproduced always.

backported by

JDK-8166105 Runtime.availableProcessors() ignores Linux taskset command

Resolved

JDK-8174019 Runtime.availableProcessors() ignores Linux taskset command

Resolved

JDK-8174180 Runtime.availableProcessors() ignores Linux taskset command

Resolved

JDK-8175145 Runtime.availableProcessors() ignores Linux taskset command

Resolved

JDK-8177172 Runtime.availableProcessors() ignores Linux taskset command

Resolved

JDK-8178565 Runtime.availableProcessors() ignores Linux taskset command

Resolved

JDK-8183634 Runtime.availableProcessors() ignores Linux taskset command

Resolved

JDK-8184494 Runtime.availableProcessors() ignores Linux taskset command

Resolved

JDK-8185179 Runtime.availableProcessors() ignores Linux taskset command

Resolved

JDK-8190021 Runtime.availableProcessors() ignores Linux taskset command

Resolved

JDK-8192167 Runtime.availableProcessors() ignores Linux taskset command

Resolved

JDK-8195255 Runtime.availableProcessors() ignores Linux taskset command

Resolved

JDK-8197250 Runtime.availableProcessors() ignores Linux taskset command

Resolved

JDK-8173345 Runtime.availableProcessors() ignores Linux taskset command

Closed

JDK-8175906 Runtime.availableProcessors() ignores Linux taskset command

Closed

duplicates

JDK-7003380 active_processor_count() unaware of cpusets

Closed

JDK-8140793 getAvailableProcessors may incorrectly report the number of cpus in Docker container

Closed

relates to

JDK-8148987 [Linux] Allow building on older systems without CPU_ALLOC support

Resolved

JDK-8161993 G1 crashes if active_processor_count changes during startup

Resolved

JDK-6673124 Runtime.availableProcessors / os::active_processor_count wrong if unused processor sets exist

Closed

JDK-7010724 Red Hat Enterprise Linux box hangs (becomes inaccessible) when ParallelGCThreads in Sun JVM are high

Closed

JDK-8147905 Verify all uses of os::processor_count()

Closed

JDK-6988568 RFE: Java SE to be resource pool aware

Closed

JDK-8165153 Crash in rebuild_cpu_to_node_map

Resolved

JDK-8188310 Runtime.getRuntime().availableProcessors() returns wrong value

Closed

JDK-5048379 API for obtaining low-level CPU information (e.g., socket count and CPU model)

Open

(10 backported by, 2 duplicates, 9 relates to)

Assignee:: David Holmes

Reporter:: Nelson Dcosta (Inactive)

Votes:: 0 Vote for this issue

Watchers:: 15 Start watching this issue

Created:: 2007-01-19 05:39

Updated:: 2024-06-04 11:21

Resolved:: 2016-01-29 04:34

Imported:: 18/Sep/12 12:43 AM

Indexed:: 14/Sep/12 2:23 AM

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