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To avoid mixup of packets from differnt ftrace packets simultaneously,
use different channel for packets from different CPU.
Reviewed-by: Steven Rostedt (VMware) <[email protected]>
Signed-off-by: Tingwei Zhang <[email protected]>
Signed-off-by: Alexander Shishkin <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Set flags for trace_export. Export function trace, event trace
and trace marker to stm.
Reviewed-by: Steven Rostedt (VMware) <[email protected]>
Reviewed-by: Alexander Shishkin <[email protected]>
Signed-off-by: Tingwei Zhang <[email protected]>
Signed-off-by: Alexander Shishkin <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Moving all kernel side CoreSight framework and drivers to SPDX identifier.
Signed-off-by: Mathieu Poirier <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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By passing an export descriptor to the write function, users don't need to
keep a global static pointer and can rely on container_of() to fetch their
own structure.
Link: http://lkml.kernel.org/r/[email protected]
Acked-by: Steven Rostedt (VMware) <[email protected]>
Reviewed-by: Chunyan Zhang <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
Signed-off-by: Steven Rostedt (VMware) <[email protected]>
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This patch adds a driver that models itself as an stm_source called
stm_ftrace. Once the stm device and stm_ftrace have been linked via
sysfs, the driver registers itself as a trace_export and everything
passed to the interface from Ftrace subsystem will end up in the STM
trace engine.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Chunyan Zhang <[email protected]>
Acked-by: Alexander Shishkin <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
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