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From: Stephen Hemminger <stephen@networkplumber.org>
To: Quentin Armitage <quentin@armitage.org.uk>
Cc: Reshma Pattan <reshma.pattan@intel.com>,
	Ray Kinsella <mdr@ashroe.eu>,
	dev@dpdk.org, stable@dpdk.org
Subject: Re: [PATCH v2] libpcapng: fix timestamp wrapping in output files
Date: Tue, 17 May 2022 08:15:21 -0700	[thread overview]
Message-ID: <20220517081521.636cb5a0@hermes.local> (raw)
In-Reply-To: <20220517100115.157888-1-quentin@armitage.org.uk>

On Tue, 17 May 2022 11:01:15 +0100
Quentin Armitage <quentin@armitage.org.uk> wrote:

> In pcap_tsc_to_ns(), delta * NSEC_PER_SEC will overflow approx 8
> seconds after pcap_init is called when using a TSC with a frequency
> of 2.5GHz.
> 
> To avoid the overflow, update the saved time and TSC value once
> delta >= tsc_hz.
> 
> Fixes: 8d23ce8f5ee ("pcapng: add new library for writing pcapng files")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Quentin Armitage <quentin@armitage.org.uk>

Thanks for fixing this.

Acked-by: Stephen Hemminger <stephen@networkplumber.org>

  reply	other threads:[~2022-05-17 15:15 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-07 16:12 [PATCH] " Quentin Armitage
2022-05-11 16:08 ` Stephen Hemminger
2022-05-11 16:46 ` Stephen Hemminger
2022-05-14 17:14   ` Quentin Armitage
2022-05-16 13:26     ` Stephen Hemminger
2022-05-17 10:01   ` [PATCH v2] " Quentin Armitage
2022-05-17 15:15     ` Stephen Hemminger [this message]
2022-06-01 14:38       ` Thomas Monjalon
2022-05-17 21:04     ` Stephen Hemminger

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