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Unlike the I-pipe, Dovetail comes with no specific tracer, tracepoints can be sent to common ftrace-based tracers, with the 'function' tracer reporting Dovetail-specific information such as the current execution stage, and the real & virtual interrupt states (hard disabled/enabled, stalled/unstalled) for the current context. In other words, ftrace's 'function' tracer with Dovetail is similar to the I-pipe specific tracer. Since we can use ftrace through the regular kernel interface with Dovetail, the legacy trace interface can move to the I-pipe section. No functional change is introduced. Signed-off-by: Philippe Gerum <rpm@xenomai.org> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
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