iperf3: A TCP, UDP, and SCTP network bandwidth measurement tool
================================================================
Summary
-------
iperf is a tool for active measurements of the maximum achievable
bandwidth on IP networks. It supports tuning of various parameters
related to timing, protocols, and buffers. For each test it reports
the measured throughput / bitrate, loss, and other parameters.
This version, sometimes referred to as iperf3, is a redesign of an
original version developed at NLANR/DAST. iperf3 is a new
implementation from scratch, with the goal of a smaller, simpler code
base, and a library version of the functionality that can be used in
other programs. iperf3 also has a number of features found in other tools
such as nuttcp and netperf, but were missing from the original iperf.
These include, for example, a zero-copy mode and optional JSON output.
Note that iperf3 is *not* backwards compatible with the original iperf.
Primary development for iperf3 takes place on CentOS Linux, FreeBSD,
and macOS. At this time, these are the only officially supported
platforms, however there have been some reports of success with
OpenBSD, NetBSD, Android, Solaris, and other Linux distributions.
iperf3 is principally developed by ESnet / Lawrence Berkeley National
Laboratory. It is released under a three-clause BSD license.
For more information see: https://software.es.net/iperf
Source code and issue tracker: https://github.com/esnet/iperf
Obtaining iperf3
----------------
Downloads of iperf3 are available at:
https://downloads.es.net/pub/iperf/
To check out the most recent code, clone the git repository at:
https://github.com/esnet/iperf.git
Building iperf3
---------------
### Prerequisites: ###
None.
### Building ###
./configure; make; make install
(Note: If configure fails, try running `./bootstrap.sh` first)
Invoking iperf3
---------------
iperf3 includes a manual page listing all of the command-line options.
The manual page is the most up-to-date reference to the various flags and parameters.
For sample command line usage, see:
https://fasterdata.es.net/performance-testing/network-troubleshooting-tools/iperf/
Using the default options, iperf is meant to show typical well
designed application performance. "Typical well designed application"
means avoiding artificial enhancements that work only for testing
(such as splice()'ing the data to /dev/null). iperf does also have
flags for "extreme best case" optimizations, but they must be
explicitly activated.
These flags include:
-Z, --zerocopy use a 'zero copy' sendfile() method of sending data
-A, --affinity n/n,m set CPU affinity
Bug Reports
-----------
Before submitting a bug report, please make sure you're running the
latest version of the code, and confirm that your issue has not
already been fixed. Then submit to the iperf3 issue tracker on
GitHub:
https://github.com/esnet/iperf/issues
In your issue submission, please indicate the version of iperf3 and
what platform you're trying to run on (provide the platform
information even if you're not using a supported platform, we
*might* be able to help anyway). Exact command-line arguments will
help us recreate your problem. If you're getting error messages,
please include them verbatim if possible, but remember to sanitize any
sensitive information.
If you have a question about usage or about the code, please do *not*
submit an issue. Please use one of the mailing lists for that.
Relation to iperf 2.x
---------------------
Note that iperf2 is no longer being developed by its original
maintainers. However, beginning in 2014, another developer began
fixing bugs and enhancing functionality, and generating releases of
iperf2. Both projects (as of late 2017) are currently being developed
actively, but independently. The continuing iperf2 development
project can be found at https://sourceforge.net/projects/iperf2/.
iperf3 contains a number of options and functions not present in
iperf2. In addition, some flags are changed from their iperf2
counterparts:
-C, --linux-congestion set congestion control algorithm (Linux only)
(-Z in iperf2)
--bidir bidirectional testing mode
(-d in iperf2)
Some iperf2 options are not available in iperf3:
-r, --tradeoff Do a bidirectional test individually
-T, --ttl time-to-live, for multicast (default 1)
-x, --reportexclude [CDMSV] exclude C(connection) D(data) M(multicast)
S(settings) V(server) reports
-y, --reportstyle C report as a Comma-Separated Values
Also removed is the ability to set the options via environment
variables.
Known Issues
------------
A set of known issues is maintained on the iperf3 Web pages:
https://software.es.net/iperf/dev.html#known-issues
Links
-----
This section lists links to user-contributed Web pages regarding
iperf3. ESnet and Lawrence Berkeley National Laboratory bear no
responsibility for the content of these pages.
* Installation instructions for Debian Linux (by Cameron Camp
<cameron@ivdatacenter.com>):
http://cheatsheet.logicalwebhost.com/iperf-network-testing/
Copyright
---------
iperf, Copyright (c) 2014-2020, The Regents of the University of
California, through Lawrence Berkeley National Laboratory (subject
to receipt of any required approvals from the U.S. Dept. of
Energy). All rights reserved.
If you have questions about your rights to use or distribute this
software, please contact Berkeley Lab's Technology Transfer
Department at TTD@lbl.gov.
NOTICE. This software is owned by the U.S. Department of Energy.
As such, the U.S. Government has been granted for itself and others
acting on its behalf a paid-up, nonexclusive, irrevocable,
worldwide license in the Software to reproduce, prepare derivative
works, and perform publicly and display publicly. Beginning five
(5) years after the date permission to assert copyright is obtained
from the U.S. Department of Energy, and subject to any subsequent
five (5) year renewals, the U.S. Government is granted for itself
and others acting on its behalf a paid-up, nonexclusive,
irrevocable, worldwide license in the Software to reproduce,
prepare derivative works, distribute copies to the public, perform
publicly and display publicly, and to permit others to do so.
This code is distributed under a BSD style license, see the LICENSE
file for complete information.
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共110个文件
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h:16个
rst:8个
iperf3 是一个款常见的网络带宽测试工具,能够进行网络吞吐量的测试,也能客观的测试出网络的转发速率,做为一款网络性能测试工具。Iperf可以测试最大TCP和UDP带宽性能,具有多种参数和UDP特性,可以根据需要调整,可以报告带宽、延迟抖动和数据包丢失.对于每个测试,它都会报告带宽,丢包和其他参数,可在Windows、Mac OS X、Linux、FreeBSD等各种平台使用,是一个简单又实用的小工具。
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网络性能测试工具 iperf (110个子文件)
iperf3.1 16KB
libiperf.3 4KB
configure.ac 7KB
Makefile.am 4KB
Makefile.am 269B
Makefile.am 23B
iperf_api.c 143KB
cjson.c 76KB
iperf_locale.c 22KB
iperf_server_api.c 21KB
iperf_sctp.c 18KB
iperf_tcp.c 18KB
iperf_client_api.c 16KB
iperf_udp.c 16KB
iperf_error.c 15KB
iperf_util.c 14KB
net.c 12KB
iperf_auth.c 11KB
units.c 9KB
tcp_info.c 6KB
timer.c 6KB
main.c 5KB
t_auth.c 5KB
dscp.c 4KB
iperf_time.c 4KB
t_units.c 4KB
t_timer.c 2KB
t_api.c 2KB
t_uuid.c 2KB
mic.c 2KB
mis.c 1KB
compile 7KB
configure 475KB
esnet.css 2KB
depcomp 23KB
Dockerfile 570B
.gitignore 357B
iperf3.gp 1002B
config.guess 45KB
iperf_api.h 19KB
queue.h 18KB
cjson.h 16KB
iperf.h 14KB
iperf_locale.h 5KB
portable_endian.h 5KB
timer.h 4KB
flowlabel.h 3KB
iperf_util.h 2KB
iperf_sctp.h 2KB
iperf_auth.h 2KB
net.h 2KB
iperf_tcp.h 2KB
iperf_udp.h 2KB
iperf_time.h 2KB
units.h 2KB
layout.html 4KB
navbar.html 2KB
relations.html 712B
favicon.ico 1KB
Makefile.in 102KB
Makefile.in 25KB
Makefile.in 21KB
iperf_config.h.in 3KB
iperf3.spec.in 3KB
version.h.in 1KB
INSTALL 9KB
install-sh 14KB
LICENSE 12KB
LICENSE 1KB
aclocal.m4 366KB
ax_check_openssl.m4 4KB
iperf_config_static_bin.m4 369B
make_release 1KB
Makefile 7KB
RELNOTES.md 28KB
README.md 6KB
CONTRIBUTING.md 3KB
ISSUE_TEMPLATE.md 1KB
PULL_REQUEST_TEMPLATE.md 1KB
missing 7KB
mkinstalldirs 3KB
private.pem 2KB
public.pem 451B
logo-esnet.png 60KB
ESnet_Final_Logos_All_Blue_Circle_Stamp_RGB.png 19KB
logo-esnet-name.png 12KB
logo-esnet-ball-sm.png 3KB
logo-esnet-ball.png 3KB
icon-github.png 2KB
conf.py 8KB
iperf3_to_gnuplot.py 4KB
invoking.rst 20KB
news.rst 14KB
faq.rst 12KB
dev.rst 9KB
README.rst 3KB
obtaining.rst 3KB
index.rst 2KB
building.rst 815B
iperf3.service 147B
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