Date: Fri, 28 Feb 2020 17:34:48 +0100 From: Daniel Ebdrup Jensen <debdrup@freebsd.org> To: freebsd-drivers@freebsd.org, FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: Network throughput not reaching line rate. Need clarification on iflib. Message-ID: <CAJEDNsi%2B-zC=LEv5y67X7pcKP83hLP=uSqcZRwdye_gWKRLjvQ@mail.gmail.com> In-Reply-To: <7cfc7c52-b548-19bd-343b-899aca45c654@selasky.org> References: <CAAO%2BANPvfRhLiCZX=0UWDToKWNACrZ66JgOd%2Bs_p9fAgc%2BrWTw@mail.gmail.com> <7cfc7c52-b548-19bd-343b-899aca45c654@selasky.org>
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Yes, iperf3 will default to single-threaded packet generation, et al. which favours fast cores with frequency boosting facilities. You might want to use iperf2 as that's properly multi-threaded, or you can use pkt-gen out of src/tools/tools/netmap/ or ports/net/pkt-gen. On Fri, Feb 28, 2020 at 10:35 AM Hans Petter Selasky <hps@selasky.org> wrote: > On 2020-02-28 10:03, Rajesh Kumar wrote: > > Hi FreeBSD team, > > > > I am writing a network driver using iflib framework and using "iperf3" > tool > > for performance testing. > > > > Is there any difference with "iperf" tool and using multiple threads? I > think iperf3 is single threaded ??? > > --HPS > > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" >
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