Commit 309ed969 authored by Ohad Sharabi's avatar Ohad Sharabi Committed by Oded Gabbay
Browse files

accel/habanalabs: add traces for dma mappings 



In order to get a full picture of DMA mappings (e.g. to track DMAR
errors), DMA mappings APIs should be covered.

Signed-off-by: default avatarOhad Sharabi <osharabi@habana.ai>
Reviewed-by: default avatarOded Gabbay <ogabbay@kernel.org>
Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent d7aa2948

include/trace/events/habanalabs.h

+43 −0
Original line number Diff line number Diff line
@@ -87,6 +87,49 @@ DEFINE_EVENT(habanalabs_dma_alloc_template, habanalabs_dma_free, 
	TP_PROTO(struct device *dev, u64 cpu_addr, u64 dma_addr, size_t size, const char *caller),

	TP_ARGS(dev, cpu_addr, dma_addr, size, caller));



DECLARE_EVENT_CLASS(habanalabs_dma_map_template,

	TP_PROTO(struct device *dev, u64 phys_addr, u64 dma_addr, size_t len,

			enum dma_data_direction dir, const char *caller),



	TP_ARGS(dev, phys_addr, dma_addr, len, dir, caller),



	TP_STRUCT__entry(

		__string(dname, dev_name(dev))

		__field(u64, phys_addr)

		__field(u64, dma_addr)

		__field(u32, len)

		__field(int, dir)

		__field(const char *, caller)

	),



	TP_fast_assign(

		__assign_str(dname, dev_name(dev));

		__entry->phys_addr = phys_addr;

		__entry->dma_addr = dma_addr;

		__entry->len = len;

		__entry->dir = dir;

		__entry->caller = caller;

	),



	TP_printk("%s: phys_addr: %#llx, dma_addr: %#llx, len: %#x, dir: %d, caller: %s",

		__get_str(dname),

		__entry->phys_addr,

		__entry->dma_addr,

		__entry->len,

		__entry->dir,

		__entry->caller)

);



DEFINE_EVENT(habanalabs_dma_map_template, habanalabs_dma_map_page,

	TP_PROTO(struct device *dev, u64 phys_addr, u64 dma_addr, size_t len,

			enum dma_data_direction dir, const char *caller),

	TP_ARGS(dev, phys_addr, dma_addr, len, dir, caller));



DEFINE_EVENT(habanalabs_dma_map_template, habanalabs_dma_unmap_page,

	TP_PROTO(struct device *dev, u64 phys_addr, u64 dma_addr, size_t len,

			enum dma_data_direction dir, const char *caller),

	TP_ARGS(dev, phys_addr, dma_addr, len, dir, caller));



DECLARE_EVENT_CLASS(habanalabs_comms_template,

	TP_PROTO(struct device *dev, char *op_str),