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| author | Andrew John Hughes <gnu_andrew@member.fsf.org> | 2006-12-26 02:35:21 +0000 |
|---|---|---|
| committer | Andrew John Hughes <gnu_andrew@member.fsf.org> | 2006-12-26 02:35:21 +0000 |
| commit | f40a51f2c912b89e6bf1c33c45f6a1237b07abd4 (patch) | |
| tree | b716d05680626b1f7fa0579d6253161b5130387b /java/lang/management/OperatingSystemMXBean.java | |
| parent | 5a73e90b8b50b652994933489a2aa122768fffc2 (diff) | |
| download | classpath-f40a51f2c912b89e6bf1c33c45f6a1237b07abd4.tar.gz | |
2006-12-26 Andrew John Hughes <gnu_andrew@member.fsf.org>
* NEWS: Mention 1.6 support for java.lang.management
* configure.ac: Check for getloadavg.
* examples/gnu/classpath/examples/management/TestOS.java:
Print system load average.
* gnu/java/lang/management/OperatingSystemMXBeanImpl.java:
(getSystemLoadAverage()): Implemented.
* include/Makefile.am: Add new header.
* include/gnu_java_awt_peer_gtk_CairoGraphics2D.h:
Regenerated.
* include/gnu_java_lang_management_VMOperatingSystemMXBeanImpl.h:
Generated.
* java/lang/management/OperatingSystemMXBean.java:
(getSystemLoadAverage()): Implemented.
* native/jni/java-lang/Makefile.am: Add new native code.
* native/jni/java-lang/gnu_java_lang_management_VMOperatingSystemMXBeanImpl.c:
New file.
* vm/reference/gnu/java/lang/management/VMOperatingSystemMXBeanImpl.java:
Likewise.
Diffstat (limited to 'java/lang/management/OperatingSystemMXBean.java')
| -rw-r--r-- | java/lang/management/OperatingSystemMXBean.java | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/java/lang/management/OperatingSystemMXBean.java b/java/lang/management/OperatingSystemMXBean.java index 2430a9fbf..ed38285a5 100644 --- a/java/lang/management/OperatingSystemMXBean.java +++ b/java/lang/management/OperatingSystemMXBean.java @@ -87,6 +87,22 @@ public interface OperatingSystemMXBean String getName(); /** + * Returns the system load average for the last minute, or -1 + * if this is unavailable. The availability and calculation + * of the load average is system-dependent, but is usually + * a damped time-dependent average obtained by monitoring the + * number of queued and running processes. It is expected + * that this method will be called frequently to monitor the + * average over time, so it may not be implemented on systems + * where such a call is expensive. + * + * @return the system load average for the last minute, or -1 + * if this is unavailable. + * @since 1.6 + */ + double getSystemLoadAverage(); + + /** * Returns the version of the underlying operating system. This * is equivalent to obtaining the <code>os.version</code> property * via {@link System#getProperty(String)}. |