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habanalabs: define traces for COMMS protocol

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As the COMMS protocol is being used more widely in our driver,
an available debug tool for the handshake will be handy.

This commit defines tracepoints to various key points of the COMMS
protocol.

Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Ohad Sharabi 2022-11-30 11:16:51 +02:00 committed by Oded Gabbay
parent b219d209ab
commit 811c74baed
1 changed files with 36 additions and 0 deletions
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36
include/trace/events/habanalabs.h
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@ -87,6 +87,42 @@ 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_comms_template,
TP_PROTO(struct device *dev, char *op_str),
TP_ARGS(dev, op_str),
TP_STRUCT__entry(
__string(dname, dev_name(dev))
__field(char *, op_str)
),
TP_fast_assign(
__assign_str(dname, dev_name(dev));
__entry->op_str = op_str;
),
TP_printk("%s: cms: %s",
__get_str(dname),
__entry->op_str)
);
DEFINE_EVENT(habanalabs_comms_template, habanalabs_comms_protocol_cmd,
TP_PROTO(struct device *dev, char *op_str),
TP_ARGS(dev, op_str));
DEFINE_EVENT(habanalabs_comms_template, habanalabs_comms_send_cmd,
TP_PROTO(struct device *dev, char *op_str),
TP_ARGS(dev, op_str));
DEFINE_EVENT(habanalabs_comms_template, habanalabs_comms_wait_status,
TP_PROTO(struct device *dev, char *op_str),
TP_ARGS(dev, op_str));
DEFINE_EVENT(habanalabs_comms_template, habanalabs_comms_wait_status_done,
TP_PROTO(struct device *dev, char *op_str),
TP_ARGS(dev, op_str));
#endif /* if !defined(_TRACE_HABANALABS_H) || defined(TRACE_HEADER_MULTI_READ) */
/* This part must be outside protection */