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rxrpc: Keep the call timeouts as ktimes rather than jiffies

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Keep that call timeouts as ktimes rather than jiffies so that they can be
expressed as functions of RTT.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells
2016-09-26 22:12:49 +01:00
parent c31410ea00
commit df0adc788a
8 changed files with 82 additions and 74 deletions
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25
include/trace/events/rxrpc.h
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@@ -453,17 +453,18 @@ TRACE_EVENT(rxrpc_rtt_rx,
TRACE_EVENT(rxrpc_timer,
TP_PROTO(struct rxrpc_call *call, enum rxrpc_timer_trace why,
unsigned long now),
ktime_t now, unsigned long now_j),
TP_ARGS(call, why, now),
TP_ARGS(call, why, now, now_j),
TP_STRUCT__entry(
__field(struct rxrpc_call *, call )
__field(enum rxrpc_timer_trace, why )
__field(unsigned long, now )
__field(unsigned long, expire_at )
__field(unsigned long, ack_at )
__field(unsigned long, resend_at )
__field_struct(ktime_t, now )
__field_struct(ktime_t, expire_at )
__field_struct(ktime_t, ack_at )
__field_struct(ktime_t, resend_at )
__field(unsigned long, now_j )
__field(unsigned long, timer )
),
@@ -474,17 +475,17 @@ TRACE_EVENT(rxrpc_timer,
__entry->expire_at = call->expire_at;
__entry->ack_at = call->ack_at;
__entry->resend_at = call->resend_at;
__entry->now_j = now_j;
__entry->timer = call->timer.expires;
),
TP_printk("c=%p %s now=%lx x=%ld a=%ld r=%ld t=%ld",
TP_printk("c=%p %s x=%lld a=%lld r=%lld t=%ld",
__entry->call,
rxrpc_timer_traces[__entry->why],
__entry->now,
__entry->expire_at - __entry->now,
__entry->ack_at - __entry->now,
__entry->resend_at - __entry->now,
__entry->timer - __entry->now)
ktime_to_ns(ktime_sub(__entry->expire_at, __entry->now)),
ktime_to_ns(ktime_sub(__entry->ack_at, __entry->now)),
ktime_to_ns(ktime_sub(__entry->resend_at, __entry->now)),
__entry->timer - __entry->now_j)
);
TRACE_EVENT(rxrpc_rx_lose,