(no subject)

From: netdev-bounce@oss.sgi.com
Date: Mon Oct 28 2002 - 20:12:09 EST

hi

I've got this video server serving video for VoD. problem is the P4 1.8 seems
to be maxed out by a few system calls. The below output is for ~50 clients
streaming at ~4.5Mbps. if trying to increase this to ~70, the CPU maxes out.

Does anyone have an idea?

bash-2.05# readprofile | sort -rn +2 | head -30
154203 default_idle 2409.4219
212723 csum_partial_copy_generic 916.9095
100164 handle_IRQ_event 695.5833
 24979 system_call 390.2969
 37300 e1000_intr 388.5417
119699 ide_intr 340.0540
 30598 skb_release_data 273.1964
 40740 do_softirq 195.8654
131818 do_wp_page 164.7725
  9935 fget 155.2344
 24747 kfree 154.6687
 10911 del_timer 113.6562
 11683 ip_conntrack_find_get 91.2734
  4120 sock_poll 85.8333
  9357 ip_ct_find_proto 83.5446
  5194 sock_wfree 81.1562
  4929 add_wait_queue 77.0156
  8361 flush_tlb_page 74.6518
  4571 remove_wait_queue 71.4219
  2191 __brelse 68.4688
 29477 skb_clone 68.2338
  8562 do_gettimeofday 59.4583
  5673 process_timeout 59.0938
 11097 tcp_v4_send_check 57.7969
  6124 kfree_skbmem 54.6786
 17115 tcp_poll 53.4844
 21130 nf_hook_slow 52.8250
  8299 ip_ct_refresh 51.8687
 15429 __kfree_skb 50.7533
  1059 lru_cache_del 46.0435

roy 

-- 
Roy Sigurd Karlsbakk, Datavaktmester
ProntoTV AS - http://www.pronto.tv/
Tel: +47 9801 3356

Computers are like air conditioners.
They stop working when you open Windows.

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This archive was generated by hypermail 2b29 : Thu Oct 31 2002 - 22:00:40 EST