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32 lines
905 B
32 lines
905 B
4 months ago
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# Compile time log levels
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At compile time the maximum log level can be specified. This allows distros to
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disable the overhead code and reduce overall code size.
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# Runtime log level
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At runtime, the log level is determined by an environment variable. The default
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log level is WARNING. The level can be changed by setting the TSS2_LOG
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environment variable.
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Possible levels are: NONE, ERROR, WARNING, INFO, DEBUG, TRACE
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The level can be set for all module using the `all` module name or individually
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per module. The environment variable is evaluated left to right.
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Example: `TSS2_LOG=all+ERROR,marshal+TRACE,tcti+DEBUG`
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# Implementation
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Each source code file specifies its corresponding module before including log.h.
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```
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#define LOGMODULE tcti
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#include "log.h"
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```
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Optionally, the default log-level for this module can be set:
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```
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#define LOGMODULE tcti
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#define LOGDEFAULT ERROR
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#include "log.h"
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```
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