diff options
| author | Jeremy Kerr <jk@codeconstruct.com.au> | 2021-09-29 10:26:10 +0300 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2022-03-18 03:36:30 +0300 |
| commit | 7af59d80e3cf48559dba2e587444d94dae7ef2c9 (patch) | |
| tree | 90eedd0f8f679636b222e370a7da6cf33a0b038b /include/trace | |
| parent | 628aab648216b5f7a33747b571b42f5494b0918e (diff) | |
| download | linux-7af59d80e3cf48559dba2e587444d94dae7ef2c9.tar.xz | |
mctp: Add tracepoints for tag/key handling
The tag allocation, release and bind events are somewhat opaque outside
the kernel; this change adds a few tracepoints to assist in
instrumentation and debugging.
OpenBMC-Staging-Count: 1
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 4f9e1ba6de45aa8797a83f1fe5b82ec4bac16899)
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/mctp.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/include/trace/events/mctp.h b/include/trace/events/mctp.h new file mode 100644 index 000000000000..175b057c507f --- /dev/null +++ b/include/trace/events/mctp.h @@ -0,0 +1,75 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM mctp + +#if !defined(_TRACE_MCTP_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_MCTP_H + +#include <linux/tracepoint.h> + +#ifndef __TRACE_MCTP_ENUMS +#define __TRACE_MCTP_ENUMS +enum { + MCTP_TRACE_KEY_TIMEOUT, + MCTP_TRACE_KEY_REPLIED, + MCTP_TRACE_KEY_INVALIDATED, + MCTP_TRACE_KEY_CLOSED, +}; +#endif /* __TRACE_MCTP_ENUMS */ + +TRACE_DEFINE_ENUM(MCTP_TRACE_KEY_TIMEOUT); +TRACE_DEFINE_ENUM(MCTP_TRACE_KEY_REPLIED); +TRACE_DEFINE_ENUM(MCTP_TRACE_KEY_INVALIDATED); +TRACE_DEFINE_ENUM(MCTP_TRACE_KEY_CLOSED); + +TRACE_EVENT(mctp_key_acquire, + TP_PROTO(const struct mctp_sk_key *key), + TP_ARGS(key), + TP_STRUCT__entry( + __field(__u8, paddr) + __field(__u8, laddr) + __field(__u8, tag) + ), + TP_fast_assign( + __entry->paddr = key->peer_addr; + __entry->laddr = key->local_addr; + __entry->tag = key->tag; + ), + TP_printk("local %d, peer %d, tag %1x", + __entry->laddr, + __entry->paddr, + __entry->tag + ) +); + +TRACE_EVENT(mctp_key_release, + TP_PROTO(const struct mctp_sk_key *key, int reason), + TP_ARGS(key, reason), + TP_STRUCT__entry( + __field(__u8, paddr) + __field(__u8, laddr) + __field(__u8, tag) + __field(int, reason) + ), + TP_fast_assign( + __entry->paddr = key->peer_addr; + __entry->laddr = key->local_addr; + __entry->tag = key->tag; + __entry->reason = reason; + ), + TP_printk("local %d, peer %d, tag %1x %s", + __entry->laddr, + __entry->paddr, + __entry->tag, + __print_symbolic(__entry->reason, + { MCTP_TRACE_KEY_TIMEOUT, "timeout" }, + { MCTP_TRACE_KEY_REPLIED, "replied" }, + { MCTP_TRACE_KEY_INVALIDATED, "invalidated" }, + { MCTP_TRACE_KEY_CLOSED, "closed" }) + ) +); + +#endif + +#include <trace/define_trace.h> |