linux

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Files

Chuck Lever e936a5970e SUNRPC: Add tracepoint that fires when an RPC is retransmitted

A separate tracepoint can be left enabled all the time to capture
rare but important retransmission events. So for example:

kworker/u26:3-568   [009]   156.967933: xprt_retransmit:      task:44093@5 xid=0xa25dbc79 nfsv3 WRITE ntrans=2

Or, for example, enable all nfs and nfs4 tracepoints, and set up a
trigger to disable tracing when xprt_retransmit fires to capture
everything that leads up to it.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

2021-04-14 09:36:29 -04:00

events

SUNRPC: Add tracepoint that fires when an RPC is retransmitted

2021-04-14 09:36:29 -04:00

bpf_probe.h

trace: bpf: Allow bpf to attach to bare tracepoints

2021-01-20 14:13:59 -08:00

define_trace.h

tracepoint: Optimize using static_call()

2020-09-01 09:58:06 +02:00

perf.h

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net