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Preload set of configurations. This patch creates a small set of preloaded configurations and features that are available immediately after coresight has been initialised. The current set provides a strobing feature for ETMv4, that creates a periodic sampling of trace by switching trace generation on and off using counters in the ETM. A configuration called "autofdo" is also provided that uses the 'strobing' feature and provides a couple of preset values, selectable on the perf command line. Link: https://lore.kernel.org/r/20210723165444.1048-9-mike.leach@linaro.org Signed-off-by: Mike Leach <mike.leach@linaro.org> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Link: https://lore.kernel.org/r/20210818194022.379573-9-mathieu.poirier@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| coresight | ||
| intel_th | ||
| stm | ||
| Kconfig | ||