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  1. #1151
    Junior Member
    Join Date
    Jun 2021
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    1

    iperf3 results

    Hi newbie here but been using pCP for years. Thank you for the great work.

    Redo'ing my home network these days and when testing the speed I saw, strangely, the result of iperf3 from pCP's interface diff than that of running directly from command line.

    I'm on a gigabit network direct wired connection.

    Output from pCP's UI, after 20sec.

    [ WARN ] Squeezelite is running, results might be affected
    [ WARN ] Goto Main menu and stop squeezelite
    [ INFO ] Iperf running in TCP Mode.
    [ INFO ] Iperf running in Receive Mode.
    [ INFO ] Iperf will run for 20 seconds, then output will show.......
    iperf 3.6
    Linux pCP-LivingRm 5.4.83-pcpCore-v7l #1 SMP Fri Dec 18 23:03:44 EST 2020 armv7l
    Control connection MSS 1448
    Time: Tue, 15 Jun 2021 15:42:56 GMT
    Connecting to host 192.168.8.12, port 5201
    Reverse mode, remote host 192.168.8.12 is sending
    Cookie: qygclmqlekstboxbjl6mtg4yz7cpt2txqrti
    TCP MSS: 1448 (default)
    [ 5] local 192.168.8.31 port 33610 connected to 192.168.8.12 port 5201
    Starting Test: protocol: TCP, 1 streams, 131072 byte blocks, omitting 0 seconds, 20 second test, tos 0
    [ ID] Interval Transfer Bitrate
    [ 5] 0.00-1.00 sec 33.1 MBytes 277 Mbits/sec
    [ 5] 1.00-2.00 sec 35.8 MBytes 300 Mbits/sec
    [ 5] 2.00-3.00 sec 35.8 MBytes 300 Mbits/sec
    [ 5] 3.00-4.00 sec 35.7 MBytes 300 Mbits/sec
    [ 5] 4.00-5.00 sec 35.8 MBytes 300 Mbits/sec
    ....
    [ 5] 17.00-18.00 sec 35.8 MBytes 300 Mbits/sec
    [ 5] 18.00-19.00 sec 35.7 MBytes 300 Mbits/sec
    [ 5] 19.00-20.00 sec 35.9 MBytes 301 Mbits/sec
    - - - - - - - - - - - - - - - - - - - - - - - - -
    Test Complete. Summary Results:
    [ ID] Interval Transfer Bitrate Retr
    [ 5] 0.00-20.00 sec 714 MBytes 300 Mbits/sec 0 sender
    [ 5] 0.00-20.00 sec 713 MBytes 299 Mbits/sec receiver
    CPU Utilization: local/receiver 30.3% (0.6%u/29.7%s), remote/sender 0.3% (0.0%u/0.3%s)
    rcv_tcp_congestion cubic

    iperf Done.
    Output from directly running iperf3 from command line. No special option other than -c and -R. Everything the same.

    tc@pCP-LivingRm:~$ iperf3 -c 192.168.8.12 -V -R -t 20
    iperf 3.6
    Linux pCP-LivingRm 5.4.83-pcpCore-v7l #1 SMP Fri Dec 18 23:03:44 EST 2020 armv7l
    Control connection MSS 1448
    Time: Tue, 15 Jun 2021 15:47:27 GMT
    Connecting to host 192.168.8.12, port 5201
    Reverse mode, remote host 192.168.8.12 is sending
    Cookie: hnyz3b5s7lel3r34whynwkqbzgzey5gov6wv
    TCP MSS: 1448 (default)
    [ 5] local 192.168.8.31 port 33622 connected to 192.168.8.12 port 5201
    Starting Test: protocol: TCP, 1 streams, 131072 byte blocks, omitting 0 seconds, 20 second test, tos 0
    [ ID] Interval Transfer Bitrate
    [ 5] 0.00-1.00 sec 111 MBytes 935 Mbits/sec
    [ 5] 1.00-2.00 sec 109 MBytes 911 Mbits/sec
    [ 5] 2.00-3.00 sec 112 MBytes 941 Mbits/sec
    [ 5] 3.00-4.00 sec 112 MBytes 941 Mbits/sec
    [ 5] 4.00-5.00 sec 112 MBytes 941 Mbits/sec
    ....
    [ 5] 17.00-18.00 sec 112 MBytes 940 Mbits/sec
    [ 5] 18.00-19.00 sec 112 MBytes 940 Mbits/sec
    [ 5] 19.00-20.00 sec 112 MBytes 941 Mbits/sec
    - - - - - - - - - - - - - - - - - - - - - - - - -
    Test Complete. Summary Results:
    [ ID] Interval Transfer Bitrate Retr
    [ 5] 0.00-20.00 sec 2.19 GBytes 939 Mbits/sec 0 sender
    [ 5] 0.00-20.00 sec 2.18 GBytes 937 Mbits/sec receiver
    CPU Utilization: local/receiver 94.0% (2.4%u/91.7%s), remote/sender 2.4% (0.1%u/2.3%s)
    rcv_tcp_congestion cubic

    iperf Done.
    Does anyone know why?

  2. #1152
    Senior Member paul-'s Avatar
    Join Date
    Jan 2013
    Posts
    4,244
    It’s a remnant of when I wrote the routines…… The pi4 did not exist, and the pi3 would choke if you flooded the network port. So the rate is limited to 300mbit, which was close to the fastest it could run.
    piCorePlayer a small player for the Raspberry Pi in RAM.
    Homepage: https://www.picoreplayer.org

    Please donate if you like the piCorePlayer

  3. #1153
    Junior Member
    Join Date
    Oct 2017
    Posts
    16

    pcp / hifiberry / LS50

    hello

    I'm using raspberry with hifiberry Digi+ Pro attached to a LS50 speaker. The LS50 has automatic turn on when a signal comes. Now it seems that it doesn't really recognize that when it gets into standby that when I start the pcp that the signal comes in. So the support from KEF told me that the reason is that the hifiberry/pcp does not shut down the audio signal while in standby. Do you know if there is any tweak/setting to make sure hifiberry is shut down while not playing anything on pcp.

    Initally i thought thought Power on/off GPIO could help, but while reading the forum I found out that this is not the right feature.

    Any help welcome.

    Thanks

  4. #1154
    Senior Member Greg Erskine's Avatar
    Join Date
    Sep 2006
    Location
    Sydney, Australia
    Posts
    2,324
    hi PiPat,

    Maybe set [Squeezelite Settings] > "Close output setting" to a second or 2 or more?

    regards
    Greg

  5. #1155
    Junior Member
    Join Date
    Oct 2017
    Posts
    16
    Quote Originally Posted by Greg Erskine View Post
    hi PiPat,

    Maybe set [Squeezelite Settings] > "Close output setting" to a second or 2 or more?

    regards
    Greg
    Hi Greg, awesome support and help, that was exactly the option I was looking for and solved the issue. Donation it's on it's way, thanks for great product!

  6. #1156
    Senior Member Greg Erskine's Avatar
    Join Date
    Sep 2006
    Location
    Sydney, Australia
    Posts
    2,324
    You're welcome.

  7. #1157
    Junior Member
    Join Date
    Jan 2011
    Location
    The Netherlands
    Posts
    22

    Setup Network Disk Mount doesn't work

    I had to set up a new sd card with PcP. I don't have a back up of my settings, so I have to set up everything afresh.
    I'm stuck at the point of mounting up my disk (NAS). That option is greyed out. What should I do. I searched the help pages and this forum, but can't find any directions.

    Peter

  8. #1158
    Senior Member kidstypike's Avatar
    Join Date
    Feb 2007
    Location
    Brindle
    Posts
    4,672
    Quote Originally Posted by peterjk View Post
    I had to set up a new sd card with PcP. I don't have a back up of my settings, so I have to set up everything afresh.
    I'm stuck at the point of mounting up my disk (NAS). That option is greyed out. What should I do. I searched the help pages and this forum, but can't find any directions.

    Peter
    pCP > LMS page > Install additional file systems.

    Name:  install.jpg
Views: 228
Size:  32.1 KB
    Server - LMS 8.2.0 Pi4B 4GB/Argon one case/pCP 8.0.0 - 75K library, playlists & LMS cache on SSD (ntfs)
    Study - Pi4/pCP 8.0.0/Topping E30 DAC/Ruark MR1 Mk2
    Lounge - Pi2/pCP 8.0.0 > HiFiBerry DIGI+ > AudioEngine DAC1 > AVI DM5
    Dining Room - Pi3B/pCP/Bluetooth/Echo Show 8
    Garage - DAC32 > Edifier speakers

    Spares - 2xTouch, 1xSB Radio. 1xSB3, 6xRPi

  9. #1159
    Senior Member
    Join Date
    Nov 2012
    Location
    Southern California
    Posts
    180
    Quote Originally Posted by peterjk View Post
    I had to set up a new sd card with PcP. I don't have a back up of my settings, so I have to set up everything afresh.

    Peter
    This wont help you right now, but it can in the future if you need to set-up a new SD Card. There is a PcP version 7.0.1 (not sure if that is the exact number) that can create a backup image of the SD Card. From the PcP menu select minor update as well as any patch updates to update from V 7.0.0. After the update, look for a menu to copy the SD card image.

    Paul

  10. #1160
    Junior Member
    Join Date
    Jan 2011
    Location
    The Netherlands
    Posts
    22
    Quote Originally Posted by kidstypike View Post
    pCP > LMS page > Install additional file systems.

    Name:  install.jpg
Views: 228
Size:  32.1 KB
    Thanks, I overlooked that option.

    And thanks, Paul, for the pointer.

    Peter

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