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| Content Provider | ACM Digital Library |
|---|---|
| Author | Bissyandé, Tegawendé F. Réveillère, Laurent Lawall, Julia L. Muller, Gilles |
| Abstract | The Linux kernel does not export a stable, well-defined kernel interface, complicating the development of kernel-level services, such as device drivers and file systems. While there does exist a set of functions that are exported to external modules, this set of functions frequently changes, and the functions have implicit, ill-documented preconditions. No specific debugging support is provided. We present Diagnosys, an approach to automatically constructing a debugging interface for the Linux kernel. First, a designated kernel maintainer uses Diagnosys to identify constraints on the use of the exported functions. Based on this information, developers of kernel services can then use Diagnosys to generate a debugging interface specialized to their code. When a service including this interface is tested, it records information about potential problems. This information is preserved following a kernel crash or hang. Our experiments show that the generated debugging interface provides useful log information and incurs a low performance penalty. . |
| Starting Page | 60 |
| Ending Page | 69 |
| Page Count | 10 |
| File Format | |
| ISBN | 9781450312042 |
| DOI | 10.1145/2351676.2351686 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2012-09-03 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Wrappers Linux Debugging Diagnosys Device drivers |
| Content Type | Text |
| Resource Type | Article |
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