On 2012-05-28 1:15 AM, Adrian Chadd wrote: > Sweet. Thanks a lot for chasing that up. > > What's the oprofile output look like for the AR7242 when doing that? Haven't run oprofile on the AR7242 yet, but here's what 350Mbits/s UDP ethernet-rx <-> wifi-tx traffic (bridged) looks like on AR9344: CPU: MIPS 74K, speed 417 MHz (estimated) Counted CYCLES events (0-0 Cycles) with a unit mask of 0x00 (No unit mask) count 10000 samples % app name symbol name 203986 6.8165 vmlinux ag71xx_poll 139395 4.6581 vmlinux __do_softirq 119259 3.9852 mac80211.ko invoke_tx_handlers 112990 3.7757 vmlinux ring_buffer_consume 89195 2.9806 mac80211.ko ieee80211_tx_status 69185 2.3119 vmlinux __copy_user 67684 2.2618 vmlinux __bzero 67014 2.2394 ath9k.ko ath_txq_schedule 65597 2.1920 vmlinux __slab_alloc.isra.60.constprop.63 65375 2.1846 vmlinux eth_type_trans 63594 2.1251 vmlinux r4k_dma_cache_inv 61121 2.0425 mac80211.ko ieee80211_subif_start_xmit 50797 1.6975 ath9k_hw.ko ar9003_set_txdesc 49942 1.6689 vmlinux __rmemcpy 48397 1.6173 ath9k.ko ath_tx_complete 46697 1.5605 vmlinux skb_release_data 45083 1.5065 vmlinux __netif_receive_skb 43928 1.4679 ath9k.ko ath_tx_complete_aggr.isra.21 43289 1.4466 vmlinux vlan_untag 41766 1.3957 mac80211.ko minstrel_ht_set_rate 41154 1.3752 ath9k.ko ath_tx_setup_buffer.isra.18 41136 1.3746 vmlinux pfifo_fast_dequeue 40500 1.3534 vmlinux __slab_free.isra.58 39498 1.3199 vmlinux __qdisc_run 39278 1.3125 ath9k.ko ath_tx_start 38789 1.2962 vmlinux r4k_dma_cache_wback_inv 38497 1.2864 ath9k.ko ath_tx_fill_desc 37308 1.2467 vmlinux kfree 36235 1.2109 vmlinux br_handle_frame 35178 1.1755 vmlinux skb_put 34532 1.1539 vmlinux __kmalloc_track_caller 31535 1.0538 vmlinux kmem_cache_alloc 31045 1.0374 vmlinux dev_queue_xmit 30953 1.0343 vmlinux vlan_do_receive 30151 1.0075 mac80211.ko __ieee80211_tx 30132 1.0069 vmlinux put_cpu_partial 29625 0.9900 vmlinux mips_dma_map_page 28214 0.9428 mac80211.ko ieee80211_tx_prepare 27059 0.9042 vmlinux br_fdb_update 25845 0.8637 oprofile.ko add_event_entry 25230 0.8431 vmlinux br_handle_frame_finish 24652 0.8238 vmlinux net_rx_action 22232 0.7429 mac80211.ko rate_control_get_rate 21840 0.7298 mac80211.ko minstrel_ht_get_rate 21591 0.7215 mac80211.ko ccmp_encrypt_skb 20313 0.6788 ath9k.ko ath9k_ps_restore 20055 0.6702 vmlinux r4k_wait_irqoff 19867 0.6639 vmlinux dev_hard_start_xmit 19220 0.6423 vmlinux __br_fdb_get 18673 0.6240 vmlinux ksize 17769 0.5938 vmlinux __alloc_skb 17687 0.5910 vmlinux kmem_cache_free 17605 0.5883 mac80211.ko minstrel_ht_tx_status 17112 0.5718 mac80211.ko ieee80211_select_queue 16926 0.5656 ath9k.ko ath_tx_complete_buf 16310 0.5450 vmlinux pfifo_fast_enqueue 16065 0.5368 vmlinux local_bh_enable 15586 0.5208 ath9k.ko ath_tx_update_baw.isra.14 14449 0.4828 vmlinux skb_push 14097 0.4711 oprofile.ko sync_buffer 13755 0.4596 vmlinux napi_complete 12793 0.4275 vmlinux mips_dma_unmap_page 12228 0.4086 vmlinux br_dev_queue_push_xmit 12212 0.4081 vmlinux br_forward 12149 0.4060 vmlinux __netdev_alloc_skb 11250 0.3759 vmlinux rcu_bh_qs 11153 0.3727 vmlinux atomic64_add_return 11123 0.3717 ath9k.ko ath9k_tx 11026 0.3685 ath9k.ko ath_debug_stat_tx 10763 0.3597 oprofile.ko op_cpu_buffer_read_entry -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
