[ardour-users] Re: tuning ardour + jack

andy news4 at earthsong.free-online.co.uk
Tue Aug 31 15:17:10 PDT 2004


On Tue, 31 Aug 2004 23:02:57 +0100, andy wrote:

> I now have most of the setup I've been working running OK - thanks for the
> help people have given. The system isn't that stable though - ardour keeps
> being kicked by jack, e.g. when I start a new instance of ices, and
> alsaplayer, which I'm using for recorded input, is crashing quite a bit.
> 
> Are there any good web pages that I could work through to get the system
> tuned up as well as possible?

P.S. my setup is:

1.4GHz athlon machine with 80 Gb hard disk and 768M memory. Running debian
unstable with kernel 2.6.8.1. Ardour is 0.19beta19. jackd is 0.98.1.

This is the listing from 'top':

$ top -b -d 10 -n 3
top - 23:15:33 up  6:35,  7 users,  load average: 0.94, 0.94, 0.87/stream/6ECD0ETasks:  65 total,   1 running,  63 sleeping,   1 stopped,   0 zombie
Cpu(s):  1.9% us,  2.8% sy, 12.4% ni, 80.7% id,  1.1% wa,  0.6% hi,  0.5% si
Mem:    775236k total,   746460k used,    28776k free,     9336k buffers
Swap:   979956k total,   100164k used,   879792k free,   327372k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
  640 root      10  -5 74556  17m  59m S  4.0  2.3   8:48.45 XFree86
  755 andy      20   5 40612  21m  16m S  2.0  2.8   2:13.59 gnome-terminal
    1 root      16   0  1520  516 1368 S  0.0  0.1   0:00.16 init
    2 root      34  19     0    0    0 S  0.0  0.0   0:00.00 ksoftirqd/0
    3 root       5 -10     0    0    0 S  0.0  0.0   0:00.25 events/0
    4 root       5 -10     0    0    0 S  0.0  0.0   0:00.00 khelper
    5 root      15 -10     0    0    0 S  0.0  0.0   0:00.00 kacpid
   23 root       5 -10     0    0    0 S  0.0  0.0   0:00.08 kblockd/0
   24 root      15   0     0    0    0 S  0.0  0.0   0:00.00 khubd
   35 root      15   0     0    0    0 S  0.0  0.0   0:00.00 pdflush
   36 root      15   0     0    0    0 S  0.0  0.0   0:00.25 pdflush
   38 root      13 -10     0    0    0 S  0.0  0.0   0:00.00 aio/0
   37 root      15   0     0    0    0 S  0.0  0.0   0:01.28 kswapd0
  149 root      16   0     0    0    0 S  0.0  0.0   0:00.00 kseriod
  156 root      15   0     0    0    0 S  0.0  0.0   0:00.29 kjournald
  372 root      15   0     0    0    0 S  0.0  0.0   0:01.02 kjournald
  375 root      18   0     0    0    0 S  0.0  0.0   0:00.00 kjournald
  465 daemon    16   0  1632  436 1460 S  0.0  0.1   0:00.00 portmap
  559 root      21   5  1576  628 1408 S  0.0  0.1   0:00.02 syslogd
  562 root      21   5  2444 1484 1360 S  0.0  0.2   0:00.09 klogd
  574 root      24   5  1556  528 1400 S  0.0  0.1   0:00.00 inetd
  584 daemon    21   5  4060 1164 3860 S  0.0  0.2   0:00.00 lpd
  593 xfntserv  21   5 18120  12m 2584 S  0.0  1.7   0:00.05 xfs-xtt
  604 daemon    21   5  1708  604 1544 S  0.0  0.1   0:00.00 atd
  607 root      21   5  1788  828 1600 S  0.0  0.1   0:00.00 cron
  613 root      21   5  2532  660 2360 S  0.0  0.1   0:00.00 kdm
  622 root      17   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  624 root      17   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  625 root      16   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  626 root      16   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  627 root      17   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  628 root      17   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  641 root      20   0  3140 1248 2736 S  0.0  0.2   0:00.00 kdm
  655 andy      20   5  4124 2320 3240 S  0.0  0.3   1:01.15 afterstep
  688 andy      21   5  2992  656 2644 S  0.0  0.1   0:00.01 ssh-agent
  690 andy      20   5  2716  860 2552 S  0.0  0.1   0:00.08 Animate
  694 andy      21   5  3380 1176 3040 S  0.0  0.2   0:01.36 Pager
  757 andy      21   5  4316 1692 2960 S  0.0  0.2   0:00.42 gconfd-2
  759 andy      20   5  5076 2712 4428 S  0.0  0.3   0:00.12 bonobo-activati
  760 andy      22   5  2224  588 2052 S  0.0  0.1   0:00.00 gnome-pty-helpe
  761 andy      20   5  2616 1448 2404 S  0.0  0.2   0:00.00 bash
  763 andy      20   5  3292 1540 2924 S  0.0  0.2   0:00.13 ssh
  790 andy      20   5  2616 1456 2404 S  0.0  0.2   0:00.01 bash
  796 andy      21   5  3380 1156 3040 S  0.0  0.1   0:00.83 Pager
  817 andy      20   5  3460 1564 2924 S  0.0  0.2   0:12.60 ssh
  818 andy      20   5  2616 1448 2404 S  0.0  0.2   0:00.00 bash
  819 andy      20   5  3460 1564 2924 S  0.0  0.2   0:00.12 ssh
  951 andy      20   5  2612 1444 2404 S  0.0  0.2   0:00.00 bash
  956 andy      20   5  2816 1692 2404 S  0.0  0.2   0:00.16 bash
 9473 andy      21   5  5324 2780 4328 S  0.0  0.4   0:00.60 xclock
 9585 andy      20   5  3536 1716 3320 S  0.0  0.2   0:00.19 xosview
 9591 andy      23   5 28772  28m 3032 S  0.0  3.7   0:00.01 jackd
 9596 andy      20   5 59360  57m  12m S  0.0  7.7   0:00.46 alsaplayer
 9633 andy      20   5  2632 1500 2404 S  0.0  0.2   0:00.02 bash
 9642 andy      20   5  3536 1716 3320 S  0.0  0.2   0:02.92 xosview
 9652 andy      21   5 92120  28m  29m S  0.0  3.7   2:58.23 firefox-bin
 9699 andy      20   5 69464  67m  12m S  0.0  8.9   0:00.44 alsaplayer
 9740 andy      20   5  3328 1624 2824 S  0.0  0.2   0:00.10 mc
 9742 andy      20   5  2628 1500 2404 S  0.0  0.2   0:00.02 bash
 9745 andy      RT   5 31636  30m 5196 S  0.0  4.1   0:00.00 ices
 9788 andy      20   5 60432  59m  12m T  0.0  7.8   0:00.20 alsaplayer
 9822 andy      20   5 80600  15m  16m S  0.0  2.0   0:10.11 pan
 9835 andy      RT   5 30864  30m 5196 S  0.0  4.0   0:00.00 ices
 9873 andy      20   5 89504  87m  22m S  0.0 11.5   0:05.49 ardour
 9916 andy      20   5  2084  968 1876 R  0.0  0.1   0:00.00 top


top - 23:15:43 up  6:35,  7 users,  load average: 0.87, 0.92, 0.86
Tasks:  65 total,   2 running,  62 sleeping,   1 stopped,   0 zombie
Cpu(s):  1.5% us,  3.1% sy, 45.0% ni, 48.9% id,  0.0% wa,  0.8% hi,  0.8% si
Mem:    775236k total,   748476k used,    26760k free,     9368k buffers
Swap:   979956k total,   100164k used,   879792k free,   329204k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 9652 andy      21   5 92120  28m  29m S  6.4  3.7   2:58.87 firefox-bin
  640 root      10  -5 74556  17m  59m S  2.0  2.3   8:48.65 XFree86
  755 andy      20   5 40716  21m  16m S  1.0  2.9   2:13.69 gnome-terminal
 9873 andy      20   5 89504  87m  22m S  0.5 11.5   0:05.54 ardour
 9642 andy      20   5  3536 1716 3320 S  0.3  0.2   0:02.95 xosview
  655 andy      21   5  4124 2320 3240 S  0.1  0.3   1:01.16 afterstep
 9916 andy      21   5  2092 1036 1876 R  0.1  0.1   0:00.01 top
    1 root      16   0  1520  516 1368 S  0.0  0.1   0:00.16 init
    2 root      34  19     0    0    0 S  0.0  0.0   0:00.00 ksoftirqd/0
    3 root       5 -10     0    0    0 S  0.0  0.0   0:00.25 events/0
    4 root       5 -10     0    0    0 S  0.0  0.0   0:00.00 khelper
    5 root      15 -10     0    0    0 S  0.0  0.0   0:00.00 kacpid
   23 root       5 -10     0    0    0 S  0.0  0.0   0:00.08 kblockd/0
   24 root      15   0     0    0    0 S  0.0  0.0   0:00.00 khubd
   35 root      15   0     0    0    0 S  0.0  0.0   0:00.00 pdflush
   36 root      15   0     0    0    0 S  0.0  0.0   0:00.25 pdflush
   38 root      13 -10     0    0    0 S  0.0  0.0   0:00.00 aio/0
   37 root      15   0     0    0    0 S  0.0  0.0   0:01.28 kswapd0
  149 root      16   0     0    0    0 S  0.0  0.0   0:00.00 kseriod
  156 root      15   0     0    0    0 S  0.0  0.0   0:00.29 kjournald
  372 root      15   0     0    0    0 S  0.0  0.0   0:01.02 kjournald
  375 root      18   0     0    0    0 S  0.0  0.0   0:00.00 kjournald
  465 daemon    16   0  1632  436 1460 S  0.0  0.1   0:00.00 portmap
  559 root      21   5  1576  628 1408 S  0.0  0.1   0:00.02 syslogd
  562 root      21   5  2444 1484 1360 S  0.0  0.2   0:00.09 klogd
  574 root      24   5  1556  528 1400 S  0.0  0.1   0:00.00 inetd
  584 daemon    21   5  4060 1164 3860 S  0.0  0.2   0:00.00 lpd
  593 xfntserv  21   5 18120  12m 2584 S  0.0  1.7   0:00.05 xfs-xtt
  604 daemon    21   5  1708  604 1544 S  0.0  0.1   0:00.00 atd
  607 root      21   5  1788  828 1600 S  0.0  0.1   0:00.00 cron
  613 root      21   5  2532  660 2360 S  0.0  0.1   0:00.00 kdm
  622 root      17   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  624 root      17   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  625 root      16   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  626 root      16   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  627 root      17   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  628 root      17   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  641 root      20   0  3140 1248 2736 S  0.0  0.2   0:00.00 kdm
  688 andy      21   5  2992  656 2644 S  0.0  0.1   0:00.01 ssh-agent
  690 andy      20   5  2716  860 2552 S  0.0  0.1   0:00.08 Animate
  694 andy      21   5  3380 1176 3040 S  0.0  0.2   0:01.36 Pager
  757 andy      21   5  4316 1692 2960 S  0.0  0.2   0:00.42 gconfd-2
  759 andy      20   5  5076 2712 4428 S  0.0  0.3   0:00.12 bonobo-activati
  760 andy      22   5  2224  588 2052 S  0.0  0.1   0:00.00 gnome-pty-helpe
  761 andy      20   5  2616 1448 2404 S  0.0  0.2   0:00.00 bash
  763 andy      20   5  3292 1540 2924 S  0.0  0.2   0:00.13 ssh
  790 andy      20   5  2616 1456 2404 S  0.0  0.2   0:00.01 bash
  796 andy      21   5  3380 1156 3040 S  0.0  0.1   0:00.83 Pager
  817 andy      20   5  3460 1564 2924 S  0.0  0.2   0:12.60 ssh
  818 andy      20   5  2616 1448 2404 S  0.0  0.2   0:00.00 bash
  819 andy      20   5  3460 1564 2924 S  0.0  0.2   0:00.12 ssh
  951 andy      20   5  2612 1444 2404 S  0.0  0.2   0:00.00 bash
  956 andy      20   5  2816 1692 2404 S  0.0  0.2   0:00.16 bash
 9473 andy      21   5  5324 2780 4328 S  0.0  0.4   0:00.60 xclock
 9585 andy      20   5  3536 1716 3320 S  0.0  0.2   0:00.19 xosview
 9591 andy      23   5 28772  28m 3032 S  0.0  3.7   0:00.01 jackd
 9596 andy      20   5 59360  57m  12m S  0.0  7.7   0:00.46 alsaplayer
 9633 andy      20   5  2632 1500 2404 S  0.0  0.2   0:00.02 bash
 9699 andy      20   5 69540  67m  12m S  0.0  8.9   0:00.44 alsaplayer
 9740 andy      21   5  3328 1624 2824 R  0.0  0.2   0:00.10 mc
 9742 andy      20   5  2628 1500 2404 S  0.0  0.2   0:00.02 bash
 9745 andy      RT   5 31636  30m 5196 S  0.0  4.1   0:00.00 ices
 9788 andy      20   5 60432  59m  12m T  0.0  7.8   0:00.20 alsaplayer
 9822 andy      20   5 80600  15m  16m S  0.0  2.0   0:10.11 pan
 9835 andy      RT   5 30864  30m 5196 S  0.0  4.0   0:00.00 ices


top - 23:15:53 up  6:35,  7 users,  load average: 1.06, 0.96, 0.88
Tasks:  65 total,   3 running,  61 sleeping,   1 stopped,   0 zombie
Cpu(s):  1.7% us,  3.5% sy, 43.5% ni, 49.8% id,  0.1% wa,  0.9% hi,  0.5% si
Mem:    775236k total,   750396k used,    24840k free,     9404k buffers
Swap:   979956k total,   100164k used,   879792k free,   330912k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 9652 andy      21   5 92120  28m  29m R  4.9  3.7   2:59.36 firefox-bin
  640 root      10  -5 74556  17m  59m S  2.2  2.3   8:48.87 XFree86
  755 andy      20   5 40792  21m  16m S  1.6  2.9   2:13.85 gnome-terminal
 9873 andy      20   5 89504  87m  22m S  0.5 11.5   0:05.59 ardour
 9642 andy      20   5  3536 1716 3320 S  0.3  0.2   0:02.98 xosview
 9822 andy      20   5 80600  15m  16m S  0.1  2.0   0:10.12 pan
 9916 andy      21   5  2092 1036 1876 R  0.1  0.1   0:00.02 top
    1 root      16   0  1520  516 1368 S  0.0  0.1   0:00.16 init
    2 root      34  19     0    0    0 S  0.0  0.0   0:00.00 ksoftirqd/0
    3 root       5 -10     0    0    0 S  0.0  0.0   0:00.25 events/0
    4 root       5 -10     0    0    0 S  0.0  0.0   0:00.00 khelper
    5 root      15 -10     0    0    0 S  0.0  0.0   0:00.00 kacpid
   23 root       5 -10     0    0    0 S  0.0  0.0   0:00.08 kblockd/0
   24 root      15   0     0    0    0 S  0.0  0.0   0:00.00 khubd
   35 root      15   0     0    0    0 S  0.0  0.0   0:00.00 pdflush
   36 root      15   0     0    0    0 S  0.0  0.0   0:00.25 pdflush
   38 root      13 -10     0    0    0 S  0.0  0.0   0:00.00 aio/0
   37 root      15   0     0    0    0 S  0.0  0.0   0:01.28 kswapd0
  149 root      16   0     0    0    0 S  0.0  0.0   0:00.00 kseriod
  156 root      15   0     0    0    0 S  0.0  0.0   0:00.29 kjournald
  372 root      15   0     0    0    0 S  0.0  0.0   0:01.02 kjournald
  375 root      18   0     0    0    0 S  0.0  0.0   0:00.00 kjournald
  465 daemon    16   0  1632  436 1460 S  0.0  0.1   0:00.00 portmap
  559 root      21   5  1576  628 1408 S  0.0  0.1   0:00.02 syslogd
  562 root      21   5  2444 1484 1360 S  0.0  0.2   0:00.09 klogd
  574 root      24   5  1556  528 1400 S  0.0  0.1   0:00.00 inetd
  584 daemon    21   5  4060 1164 3860 S  0.0  0.2   0:00.00 lpd
  593 xfntserv  21   5 18120  12m 2584 S  0.0  1.7   0:00.05 xfs-xtt
  604 daemon    21   5  1708  604 1544 S  0.0  0.1   0:00.00 atd
  607 root      21   5  1788  828 1600 S  0.0  0.1   0:00.00 cron
  613 root      21   5  2532  660 2360 S  0.0  0.1   0:00.00 kdm
  622 root      17   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  624 root      17   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  625 root      16   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  626 root      16   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  627 root      17   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  628 root      17   0  1520  472 1356 S  0.0  0.1   0:00.00 getty
  641 root      20   0  3140 1248 2736 S  0.0  0.2   0:00.00 kdm
  655 andy      20   5  4124 2320 3240 S  0.0  0.3   1:01.16 afterstep
  688 andy      21   5  2992  656 2644 S  0.0  0.1   0:00.01 ssh-agent
  690 andy      20   5  2716  860 2552 S  0.0  0.1   0:00.08 Animate
  694 andy      21   5  3380 1176 3040 S  0.0  0.2   0:01.36 Pager
  757 andy      21   5  4316 1692 2960 S  0.0  0.2   0:00.42 gconfd-2
  759 andy      20   5  5076 2712 4428 S  0.0  0.3   0:00.12 bonobo-activati
  760 andy      22   5  2224  588 2052 S  0.0  0.1   0:00.00 gnome-pty-helpe
  761 andy      20   5  2616 1448 2404 S  0.0  0.2   0:00.00 bash
  763 andy      20   5  3292 1540 2924 S  0.0  0.2   0:00.13 ssh
  790 andy      20   5  2616 1456 2404 S  0.0  0.2   0:00.01 bash
  796 andy      21   5  3380 1156 3040 S  0.0  0.1   0:00.83 Pager
  817 andy      20   5  3460 1564 2924 S  0.0  0.2   0:12.60 ssh
  818 andy      20   5  2616 1448 2404 S  0.0  0.2   0:00.00 bash
  819 andy      20   5  3460 1564 2924 S  0.0  0.2   0:00.12 ssh
  951 andy      20   5  2612 1444 2404 S  0.0  0.2   0:00.00 bash
  956 andy      20   5  2816 1692 2404 S  0.0  0.2   0:00.16 bash
 9473 andy      21   5  5324 2780 4328 S  0.0  0.4   0:00.60 xclock
 9585 andy      20   5  3536 1716 3320 S  0.0  0.2   0:00.19 xosview
 9591 andy      23   5 28772  28m 3032 S  0.0  3.7   0:00.01 jackd
 9596 andy      20   5 59360  57m  12m S  0.0  7.7   0:00.46 alsaplayer
 9633 andy      20   5  2632 1500 2404 S  0.0  0.2   0:00.02 bash
 9699 andy      20   5 69612  67m  12m S  0.0  8.9   0:00.44 alsaplayer
 9740 andy      21   5  3328 1624 2824 R  0.0  0.2   0:00.10 mc
 9742 andy      20   5  2628 1500 2404 S  0.0  0.2   0:00.02 bash
 9745 andy      RT   5 31636  30m 5196 S  0.0  4.1   0:00.00 ices
 9788 andy      20   5 60432  59m  12m T  0.0  7.8   0:00.20 alsaplayer
 9835 andy      RT   5 30864  30m 5196 S  0.0  4.0   0:00.00 ices


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