| sewardj | a9a2dcf | 2002-11-11 00:20:07 +0000 | [diff] [blame] | 1 | <html> |
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| 22 | <title>Cachegrind</title> |
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| 27 | <a name="title"></a> |
| 28 | <h1 align=center>Nulgrind</h1> |
| 29 | <center>This manual was last updated on 2002-10-02</center> |
| 30 | <p> |
| 31 | |
| 32 | <center> |
| 33 | <a href="mailto:njn25@cam.ac.uk">njn25@cam.ac.uk</a><br> |
| njn | 0e1b514 | 2003-04-15 14:58:06 +0000 | [diff] [blame] | 34 | Copyright © 2000-2003 Nicholas Nethercote |
| sewardj | a9a2dcf | 2002-11-11 00:20:07 +0000 | [diff] [blame] | 35 | <p> |
| 36 | Nulgrind is licensed under the GNU General Public License, |
| 37 | version 2<br> |
| nethercote | 137bc55 | 2003-11-14 17:47:54 +0000 | [diff] [blame^] | 38 | Nulgrind is a Valgrind tool that does not very much at all. |
| sewardj | a9a2dcf | 2002-11-11 00:20:07 +0000 | [diff] [blame] | 39 | </center> |
| 40 | |
| 41 | <p> |
| 42 | |
| 43 | <h2>1 Nulgrind</h2> |
| 44 | |
| nethercote | 137bc55 | 2003-11-14 17:47:54 +0000 | [diff] [blame^] | 45 | Nulgrind is the minimal tool for Valgrind. It does no initialisation or |
| sewardj | a9a2dcf | 2002-11-11 00:20:07 +0000 | [diff] [blame] | 46 | finalisation, and adds no instrumentation to the program's code. It is mainly |
| 47 | of use for Valgrind's developers for debugging and regression testing. |
| 48 | <p> |
| 49 | Nonetheless you can run programs with Nulgrind. They will run roughly 5-10 |
| 50 | times more slowly than normal, for no useful effect. Note that you need to use |
| nethercote | 137bc55 | 2003-11-14 17:47:54 +0000 | [diff] [blame^] | 51 | the option <code>--tool=none</code> to run Nulgrind (ie. not |
| 52 | <code>--tool=nulgrind</code>). |
| sewardj | a9a2dcf | 2002-11-11 00:20:07 +0000 | [diff] [blame] | 53 | |
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