Date: Sat, 31 Oct 2015 20:42:42 +0700 From: Eugene Grosbein <eugen@grosbein.net> To: Adrian Chadd <adrian.chadd@gmail.com> Cc: "freebsd-mips@freebsd.org" <freebsd-mips@freebsd.org> Subject: Re: CPU underload Message-ID: <5634C552.8040201@grosbein.net> In-Reply-To: <CAJ-Vmok%2BgKXcpzpxNCBhxX8sYSh%2BQO7OaeojB4MCufO%2BA4zceg@mail.gmail.com> References: <56348063.3090508@grosbein.net> <56348239.3050701@grosbein.net> <CAJ-Vmok%2BgKXcpzpxNCBhxX8sYSh%2BQO7OaeojB4MCufO%2BA4zceg@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?5634C552.8040201>