From owner-freebsd-mips@freebsd.org Sat Oct 31 13:42:52 2015 Return-Path: Delivered-To: freebsd-mips@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 14567A2209B for ; Sat, 31 Oct 2015 13:42:52 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from hz.grosbein.net (hz.grosbein.net [78.47.246.247]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "hz.grosbein.net", Issuer "hz.grosbein.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id B46421F6B for ; Sat, 31 Oct 2015 13:42:51 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from eg.sd.rdtc.ru (root@eg.sd.rdtc.ru [62.231.161.221]) by hz.grosbein.net (8.14.9/8.14.9) with ESMTP id t9VDgkhV050487 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Sat, 31 Oct 2015 14:42:46 +0100 (CET) (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: adrian.chadd@gmail.com Received: from eg.sd.rdtc.ru (eugen@localhost [127.0.0.1]) by eg.sd.rdtc.ru (8.15.2/8.15.2) with ESMTP id t9VDggTp049121; Sat, 31 Oct 2015 20:42:42 +0700 (KRAT) (envelope-from eugen@grosbein.net) Subject: Re: CPU underload To: Adrian Chadd References: <56348063.3090508@grosbein.net> <56348239.3050701@grosbein.net> Cc: "freebsd-mips@freebsd.org" From: Eugene Grosbein Message-ID: <5634C552.8040201@grosbein.net> Date: Sat, 31 Oct 2015 20:42:42 +0700 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=0.3 required=5.0 tests=BAYES_00,LOCAL_FROM, T_DATE_IN_FUTURE_96_Q autolearn=no version=3.3.2 X-Spam-Report: * 0.0 T_DATE_IN_FUTURE_96_Q Date: is 4 days to 4 months after Received: * date * -2.3 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * 2.6 LOCAL_FROM From my domains X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on hz.grosbein.net X-BeenThere: freebsd-mips@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Porting FreeBSD to MIPS List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 31 Oct 2015 13:42:52 -0000 On 31.10.2015 19:52, Adrian Chadd wrote: > hi, > > there's a mips callchain kernel option. Sorry, I'm on my mac atm so I > can't tell you. look in sys/conf/options for callchain, callgraph, > etc. It's a build option. > > Just rebuild your kernel with that and check. Oh, I got it. But it does not help, empty "CALLERS" list for DELAY: %SAMP IMAGE FUNCTION CALLERS PMC: [INSTR_EXECUTED] Samples: 8875 (100.0%) , 0 unresolved %SAMP IMAGE FUNCTION CALLERS 9.9 kernel MipsUserIntr 4.4 kernel DELAY 4.2 kernel ip_fastforward ether_demux 3.7 kernel memcpy 3.1 kernel _bus_dmamap_sync arge_start_locked:1.4 arge_rx_locked:0.9 arge_newbuf:0.5 2.9 kernel _bus_dmamap_load_buf _bus_dmamap_load_mbuf_sg 2.9 kernel ether_nh_input netisr_dispatch_src 2.8 kernel if_inc_counter ether_nh_input:0.6 arge_tx_locked:0.5 2.5 libc.so.7 bsearch pmcstat_symbol_search 2.5 kernel ether_output ip_fastforward 2.4 kernel bzero 2.3 kernel arge_start_locked arge_start:1.8 arge_intr:0.5 2.2 kernel critical_enter 1.9 kernel critical_exit if_inc_counter 1.7 kernel _rw_runlock_cookie arpresolve 1.6 kernel rn_match rtalloc1_fib 1.6 kernel __rw_rlock in_lltable_lookup:0.5 arpresolve:0.5 1.4 kernel mips_wait cpu_idle 1.4 kernel mipsNN_pdcache_inv_r 1.4 kernel _rm_rlock in_localip:0.8 vlan_input:0.5 1.4 libpmc.so. pmclog_read pmcstat_process_log 1.3 kernel arge_tx_locked arge_intr 1.3 kernel _bus_dmamap_unload arge_tx_locked:0.8 arge_newbuf:0.5 1.3 kernel bus_dmamap_sync_buf 1.3 kernel mipsNN_pdcache_wb_ra 1.2 kernel generic_bs_barrier 1.1 kernel _bus_dmamap_load_mbu bus_dmamap_load_mbuf_sg 1.1 kernel if_transmit ether_output_frame 1.1 kernel m_adj 1.1 kernel netisr_dispatch_src netisr_dispatch 1.1 kernel bcmp 1.1 kernel spinlock_exit ithread_loop 1.1 kernel bus_dmamap_load_mbuf arge_start_locked:0.6 arge_newbuf:0.5 1.1 kernel arge_newbuf arge_rx_locked 1.0 kernel arge_rx_locked arge_intr 1.0 kernel ether_demux ether_nh_input 1.0 kernel uma_zalloc_arg arge_newbuf 0.9 kernel uma_zfree_arg mb_free_ext CONVERSION STATISTICS:e ip_fastforward #samples/total 34618 #samples/unknown-function 2202