Created
July 9, 2012 16:16
-
-
Save nicerobot/3077399 to your computer and use it in GitHub Desktop.
Problems with nanoTime in Java under Linux
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/bin/sh | |
| cd /tmp | |
| cat >t.java <<CLASS | |
| class t { public static void main(String...args) { | |
| System.out.println(System.currentTimeMillis()+"\n"+System.nanoTime()); } } | |
| CLASS | |
| uname -rvsp | |
| date -u | |
| date +%s | |
| javac t.java && java -cp . t | |
| echo | |
| java -version |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Darwin 11.4.0 Darwin Kernel Version 11.4.0: Mon Apr 9 19:33:05 PDT 2012; root:xnu-1699.26.8~1/RELEASE_I386 i386 | |
| Mon Jul 9 16:07:05 UTC 2012 | |
| 1341850026 | |
| 1341850026961 | |
| 1341850026961520000 | |
| java version "1.6.0_33" | |
| Java(TM) SE Runtime Environment (build 1.6.0_33-b03-424-11M3720) | |
| Java HotSpot(TM) 64-Bit Server VM (build 20.8-b03-424, mixed mode) |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Linux 2.6.32-100.28.5.el6.x86_64 #1 SMP Wed Feb 2 18:40:23 EST 2011 x86_64 | |
| Mon Jul 9 16:07:12 UTC 2012 | |
| 1341850032 | |
| 1341850032833 | |
| 1537280191304635 | |
| java version "1.7.0_03" | |
| Java(TM) SE Runtime Environment (build 1.7.0_03-b04) | |
| Java HotSpot(TM) Server VM (build 22.1-b02, mixed mode) |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Linux 2.6.32-100.23.1.el5 #1 SMP Tue Nov 9 16:19:09 EST 2010 x86_64 | |
| Mon Jul 9 08:12:16 UTC 2012 | |
| 1341821536 | |
| 1341821536761 | |
| 2837617505717985 | |
| java version "1.6.0_26" | |
| Java(TM) SE Runtime Environment (build 1.6.0_26-b03) | |
| Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode) |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Linux 2.6.18-164.0.0.0.1.el5 #1 SMP Thu Sep 3 00:21:28 EDT 2009 x86_64 | |
| Mon Jul 9 16:07:18 UTC 2012 | |
| 1341850038 | |
| 1341850039349 | |
| 20983226427109720 | |
| java version "1.7.0_05" | |
| Java(TM) SE Runtime Environment (build 1.7.0_05-b05) | |
| Java HotSpot(TM) 64-Bit Server VM (build 23.1-b03, mixed mode) |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Linux 2.6.18-308.1.1.0.1.el5 #1 SMP Wed Mar 7 11:35:00 EST 2012 i686 | |
| Mon Jul 9 16:07:09 UTC 2012 | |
| 1341850029 | |
| 1341850030398 | |
| 780466134862302 | |
| java version "1.7.0_04" | |
| Java(TM) SE Runtime Environment (build 1.7.0_04-b20) | |
| Java HotSpot(TM) Client VM (build 23.0-b21, mixed mode, sharing) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment