From: Henrik Austad haustad@cisco.com
This needs refactoring and should be updated to use TRACE_CLASS, but for now it provides a fair debug-window into TSN.
Cc: "David S. Miller" davem@davemloft.net Cc: Steven Rostedt rostedt@goodmis.org (maintainer:TRACING) Cc: Ingo Molnar mingo@redhat.com (maintainer:TRACING) Signed-off-by: Henrik Austad haustad@cisco.com --- include/trace/events/tsn.h | 349 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 349 insertions(+) create mode 100644 include/trace/events/tsn.h
diff --git a/include/trace/events/tsn.h b/include/trace/events/tsn.h new file mode 100644 index 0000000..ac1f31b --- /dev/null +++ b/include/trace/events/tsn.h @@ -0,0 +1,349 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM tsn + +#if !defined(_TRACE_TSN_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_TSN_H + +#include <linux/tsn.h> +#include <linux/tracepoint.h> + +#include <linux/if_ether.h> +#include <linux/if_vlan.h> +/* #include <linux/skbuff.h> */ + +/* FIXME: update to TRACE_CLASS to reduce overhead */ +TRACE_EVENT(tsn_buffer_write, + + TP_PROTO(struct tsn_link *link, + size_t bytes), + + TP_ARGS(link, bytes), + + TP_STRUCT__entry( + __field(u64, stream_id) + __field(size_t, size) + __field(size_t, bsize) + __field(size_t, size_left) + __field(void *, buffer) + __field(void *, head) + __field(void *, tail) + __field(void *, end) + ), + + TP_fast_assign( + __entry->stream_id = link->stream_id; + __entry->size = bytes; + __entry->bsize = link->used_buffer_size; + __entry->size_left = (link->head - link->tail) % link->used_buffer_size; + __entry->buffer = link->buffer; + __entry->head = link->head; + __entry->tail = link->tail; + __entry->end = link->end; + ), + + TP_printk("stream_id=%llu, copy=%zd, buffer: %zd, avail=%zd, [buffer=%p, head=%p, tail=%p, end=%p]", + __entry->stream_id, __entry->size, __entry->bsize, __entry->size_left, + __entry->buffer, __entry->head, __entry->tail, __entry->end) + + ); + +TRACE_EVENT(tsn_buffer_write_net, + + TP_PROTO(struct tsn_link *link, + size_t bytes), + + TP_ARGS(link, bytes), + + TP_STRUCT__entry( + __field(u64, stream_id) + __field(size_t, size) + __field(size_t, bsize) + __field(size_t, size_left) + __field(void *, buffer) + __field(void *, head) + __field(void *, tail) + __field(void *, end) + ), + + TP_fast_assign( + __entry->stream_id = link->stream_id; + __entry->size = bytes; + __entry->bsize = link->used_buffer_size; + __entry->size_left = (link->head - link->tail) % link->used_buffer_size; + __entry->buffer = link->buffer; + __entry->head = link->head; + __entry->tail = link->tail; + __entry->end = link->end; + ), + + TP_printk("stream_id=%llu, copy=%zd, buffer: %zd, avail=%zd, [buffer=%p, head=%p, tail=%p, end=%p]", + __entry->stream_id, __entry->size, __entry->bsize, __entry->size_left, + __entry->buffer, __entry->head, __entry->tail, __entry->end) + + ); + + +TRACE_EVENT(tsn_buffer_read, + + TP_PROTO(struct tsn_link *link, + size_t bytes), + + TP_ARGS(link, bytes), + + TP_STRUCT__entry( + __field(u64, stream_id) + __field(size_t, size) + __field(size_t, bsize) + __field(size_t, size_left) + __field(void *, buffer) + __field(void *, head) + __field(void *, tail) + __field(void *, end) + ), + + TP_fast_assign( + __entry->stream_id = link->stream_id; + __entry->size = bytes; + __entry->bsize = link->used_buffer_size; + __entry->size_left = (link->head - link->tail) % link->used_buffer_size; + __entry->buffer = link->buffer; + __entry->head = link->head; + __entry->tail = link->tail; + __entry->end = link->end; + ), + + TP_printk("stream_id=%llu, copy=%zd, buffer: %zd, avail=%zd, [buffer=%p, head=%p, tail=%p, end=%p]", + __entry->stream_id, __entry->size, __entry->bsize, __entry->size_left, + __entry->buffer, __entry->head, __entry->tail, __entry->end) + + ); + +TRACE_EVENT(tsn_refill, + + TP_PROTO(struct tsn_link *link, + size_t reported_avail), + + TP_ARGS(link, reported_avail), + + TP_STRUCT__entry( + __field(u64, stream_id) + __field(size_t, bsize) + __field(size_t, size_left) + __field(size_t, reported_left) + __field(size_t, low_water) + ), + + TP_fast_assign( + __entry->stream_id = link->stream_id; + __entry->bsize = link->used_buffer_size; + __entry->size_left = (link->head - link->tail) % link->used_buffer_size; + __entry->reported_left = reported_avail; + __entry->low_water = link->low_water_mark; + ), + + TP_printk("stream_id=%llu, buffer=%zd, avail=%zd, reported=%zd, low=%zd", + __entry->stream_id, __entry->bsize, __entry->size_left, __entry->reported_left, __entry->low_water) + ); + +TRACE_EVENT(tsn_send_batch, + + TP_PROTO(struct tsn_link *link, + int num_send, + u64 ts_base_ns, + u64 ts_delta_ns), + + TP_ARGS(link, num_send, ts_base_ns, ts_delta_ns), + + TP_STRUCT__entry( + __field(u64, stream_id) + __field(int, seqnr) + __field(int, num_send) + __field(u64, ts_base_ns) + __field(u64, ts_delta_ns) + ), + + TP_fast_assign( + __entry->stream_id = link->stream_id; + __entry->seqnr = (int)link->last_seqnr; + __entry->ts_base_ns = ts_base_ns; + __entry->ts_delta_ns = ts_delta_ns; + __entry->num_send = num_send; + ), + + TP_printk("stream_id=%llu, seqnr=%d, num_send=%d, ts_base_ns=%llu, ts_delta_ns=%llu", + __entry->stream_id, __entry->seqnr, __entry->num_send, __entry->ts_base_ns, __entry->ts_delta_ns) + ); + + +TRACE_EVENT(tsn_rx_handler, + + TP_PROTO(struct tsn_link *link, + const struct ethhdr *ethhdr, + u64 sid), + + TP_ARGS(link, ethhdr, sid), + + TP_STRUCT__entry( + __field(char *, name) + __field(u16, proto) + __field(u64, sid) + __field(u64, link_sid) + ), + TP_fast_assign( + __entry->name = link->nic->name; + __entry->proto = ethhdr->h_proto; + __entry->sid = sid; + __entry->link_sid = link->stream_id; + ), + + TP_printk("name=%s, proto: 0x%04x, stream_id=%llu, link->sid=%llu", + __entry->name, ntohs(__entry->proto), __entry->sid, __entry->link_sid) + ); + +TRACE_EVENT(tsn_du, + + TP_PROTO(struct tsn_link *link, + size_t bytes), + + TP_ARGS(link, bytes), + + TP_STRUCT__entry( + __field(u64, link_sid) + __field(size_t, bytes) + ), + TP_fast_assign( + __entry->link_sid = link->stream_id; + __entry->bytes = bytes; + ), + + TP_printk("stream_id=%llu,bytes=%zu", + __entry->link_sid, __entry->bytes) +); + +TRACE_EVENT(tsn_set_buffer, + + TP_PROTO(struct tsn_link *link, size_t bufsize), + + TP_ARGS(link, bufsize), + + TP_STRUCT__entry( + __field(u64, stream_id) + __field(size_t, size) + ), + + TP_fast_assign( + __entry->stream_id = link->stream_id; + __entry->size = bufsize; + ), + + TP_printk("stream_id=%llu,buffer_size=%zu", + __entry->stream_id, __entry->size) + + ); + +TRACE_EVENT(tsn_free_buffer, + + TP_PROTO(struct tsn_link *link), + + TP_ARGS(link), + + TP_STRUCT__entry( + __field(u64, stream_id) + __field(size_t, bufsize) + ), + + TP_fast_assign( + __entry->stream_id = link->stream_id; + __entry->bufsize = link->buffer_size; + ), + + TP_printk("stream_id=%llu,size:%zd", + __entry->stream_id, __entry->bufsize) + + ); + +TRACE_EVENT(tsn_buffer_drain, + + TP_PROTO(struct tsn_link *link, size_t used), + + TP_ARGS(link, used), + + TP_STRUCT__entry( + __field(u64, stream_id) + __field(size_t, used) + ), + + TP_fast_assign( + __entry->stream_id = link->stream_id; + __entry->used = used; + ), + + TP_printk("stream_id=%llu,used=%zu", + __entry->stream_id, __entry->used) + +); +/* TODO: too long, need cleanup. + */ +TRACE_EVENT(tsn_pre_tx, + + TP_PROTO(struct tsn_link *link, struct sk_buff *skb, size_t bytes), + + TP_ARGS(link, skb, bytes), + + TP_STRUCT__entry( + __field(u64, stream_id) + __field(u32, vlan_tag) + __field(size_t, bytes) + __field(size_t, data_len) + __field(unsigned int, headlen) + __field(u16, protocol) + __field(u16, prot_native) + __field(int, tx_idx) + __field(u16, mac_len) + __field(u16, hdr_len) + __field(u16, vlan_tci) + __field(u16, mac_header) + __field(unsigned int, tail) + __field(unsigned int, end) + __field(unsigned int, truesize) + ), + + TP_fast_assign( + __entry->stream_id = link->stream_id; + __entry->vlan_tag = (skb_vlan_tag_present(skb) ? skb_vlan_tag_get(skb) : 0); + __entry->bytes = bytes; + __entry->data_len = skb->data_len; + __entry->headlen = skb_headlen(skb); + __entry->protocol = ntohs(vlan_get_protocol(skb)); + __entry->prot_native = ntohs(skb->protocol); + __entry->tx_idx = skb_get_queue_mapping(skb); + + __entry->mac_len = skb->mac_len; + __entry->hdr_len = skb->hdr_len; + __entry->vlan_tci = skb->vlan_tci; + __entry->mac_header = skb->mac_header; + __entry->tail = (unsigned int)skb->tail; + __entry->end = (unsigned int)skb->end; + __entry->truesize = skb->truesize; + ), + + TP_printk("stream_id=%llu,vlan_tag=0x%04x,data_size=%zd,data_len=%zd,headlen=%u,proto=0x%04x (0x%04x),tx_idx=%d,mac_len=%u,hdr_len=%u,vlan_tci=0x%02x,mac_header=0x%02x,tail=%u,end=%u,truesize=%u", + __entry->stream_id, + __entry->vlan_tag, + __entry->bytes, + __entry->data_len, + __entry->headlen, + __entry->protocol, + __entry->prot_native, __entry->tx_idx, + __entry->mac_len, + __entry->hdr_len, + __entry->vlan_tci, + __entry->mac_header, + __entry->tail, + __entry->end, + __entry->truesize) + ); + +#endif /* _TRACE_TSN_H || TRACE_HEADER_MULTI_READ */ + +#include <trace/define_trace.h>