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OAL trace zones determine the type and source of logging information. Several trace zone constants, OAL_FUNC, OAL_INFO, and OAL_VERBOSE, are module-dependent. These constants must be combined with module-based trace zone constants. For example, to log function calls in the memory module, use OAL_FUNC and OAL_MEMORY.
OAL_ERROR and OAL_WARN specify general logging and are not associated with any modules.
The following table shows the supported OAL trace zones.
| Zone | Description |
|---|---|
| OAL_ERROR | Logs errors. This trace zone is not associated with any modules. |
| OAL_WARN | Logs warnings. This trace zone is not associated with any modules. |
| OAL_FUNC | Logs function calls. Use this trace zone to log program flow information. This trace zone must be set with a module-based trace zone when specified in a function. |
| OAL_INFO | Specifies that informational messages will be logged. This trace zone must be set with a module-based trace zone when specified in a function. |
| OAL_VERBOSE | Logs in verbose mode. This trace zone must be set with a module-based trace zone when specified in a function. |
| OAL_STUB | Logs messages from the stub module. |
| OAL_KEYVAL | Logs messages from the keyval module. |
| OAL_IO | Logs messages from the IO module. |
| OAL_CACHE | Logs messages from the cache module. |
| OAL_RTC | Logs messages from the RTC module. |
| OAL_POWER | Logs messages from the power module. |
| OAL_PCI | Logs messages from the PCI module. |
| OAL_ARGS | Logs messages from the arguments module. |
| OAL_MEMORY | Logs messages from the memory module. |
| OAL_IOCTL | Logs messages from the IOCTL module. |
| OAL_TIMER | Logs messages from the timer module. |
| OAL_ETHER | Logs messages from the Ethernet module |
| OAL_FLASH | Logs messages from the flash module. |
| OAL_INTR | Logs messages from the interrupts module. |
| OAL_KITL | Logs messages from the KITL module. |
See Also
Logging Reference | Production-Quality OAL Components
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