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From: David Howells <dhowells@redhat.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: dhowells@redhat.com, linux-trace-kernel@vger.kernel.org
Subject: How to display a ktime value as trace timestamp in trace output?
Date: Wed, 31 Jan 2024 14:47:31 +0000	[thread overview]
Message-ID: <2217765.1706712451@warthog.procyon.org.uk> (raw)

Hi Steven,

I have a tracepoint in AF_RXRPC that displays information about a timeout I'm
going to set.  I have the timeout in a ktime_t as an absolute time.  Is there
a way to display this in the trace output such that it looks like a trace
timestamp and can be (roughly) correlated with the displayed timestamps?

I tried subtracting ktime_get_read() - ktime_get_boottime() from it and
displaying the result, but it looked about one and a bit seconds out from the
trace timestamp.

Thanks,
David


             reply	other threads:[~2024-01-31 14:47 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-31 14:47 David Howells [this message]
2024-02-29 22:05 ` How to display a ktime value as trace timestamp in trace output? Steven Rostedt

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