From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 27 Sep 2002 13:57:43 +0530 From: Dipankar Sarma Subject: Re: 2.5.38-mm3 Message-ID: <20020927135743.B25021@in.ibm.com> Reply-To: dipankar@in.ibm.com References: <20020926124244.GO3530@holomorphy.com> <20020926133919.GQ3530@holomorphy.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020926133919.GQ3530@holomorphy.com>; from wli@holomorphy.com on Thu, Sep 26, 2002 at 06:39:19AM -0700 Sender: owner-linux-mm@kvack.org Return-Path: To: William Lee Irwin III , Zwane Mwaikambo , Andrew Morton , lkml , "linux-mm@kvack.org" List-ID: On Thu, Sep 26, 2002 at 06:39:19AM -0700, William Lee Irwin III wrote: > Interesting, can you narrow down the poll overheads any? No immediate > needs (read as: leave your box up, but watch for it when you can), > but I'd be interested in knowing if it's fd chunk or poll table setup > overhead. Hmm.. I don't see this by just leaving the box up (and a fiew interactive commands) (4CPU P3 2.5.38-vanilla) - 8744695 default_idle 136635.8594 4371 __rdtsc_delay 136.5938 22793 do_softirq 118.7135 1734 serial_in 21.6750 261 .text.lock.serio 13.7368 8777715 total 6.2461 422 tasklet_hi_action 2.0288 106 bh_action 1.3250 46 system_call 1.0455 56 __generic_copy_to_user 0.8750 575 timer_bh 0.8168 70 __cpu_up 0.7292 57 cpu_idle 0.5089 24 __const_udelay 0.3750 35 mdio_read 0.3646 120 probe_irq_on 0.3571 134 page_remove_rmap 0.3102 108 page_add_rmap 0.3068 18 find_get_page 0.2812 189 do_wp_page 0.2513 7 fput 0.2188 27 pte_alloc_one 0.1875 135 __free_pages_ok 0.1834 2 syscall_call 0.1818 11 pgd_alloc 0.1719 11 __free_pages 0.1719 65 i8042_interrupt 0.1693 8 __wake_up 0.1667 16 find_vma 0.1667 15 serial_out 0.1562 15 radix_tree_lookup 0.1339 17 kmem_cache_free 0.1328 17 get_page_state 0.1328 62 zap_pte_range 0.1292 6 mdio_sync 0.1250 3 ret_from_intr 0.1250 2 cap_inode_permission_lite 0.1250 2 cap_file_permission 0.1250 49 do_anonymous_page 0.1178 9 lru_cache_add 0.1125 9 fget 0.1125 What application were you all running ? Thanks -- Dipankar Sarma http://lse.sourceforge.net Linux Technology Center, IBM Software Lab, Bangalore, India. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/