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>
next prev parent 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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