intel_th: Add switch triggering support

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Add support for asserting window switch trigger when tracing to MSU output
ports. This allows for software controlled switching between windows of
the MSU buffer, which can be used for double buffering while exporting the
trace data further from the MSU.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Alexander Shishkin 2019-05-03 11:44:48 +03:00 • committed by Greg Kroah-Hartman

parent 9958e02523

commit 8116db57cf

4 changed files with 85 additions and 2 deletions

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25

drivers/hwtracing/intel_th/core.c

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37

drivers/hwtracing/intel_th/gth.c

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19

drivers/hwtracing/intel_th/gth.h

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6

drivers/hwtracing/intel_th/intel_th.h

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