From dc55a44a8a635086c3cefabdd243bf6028999799 Mon Sep 17 00:00:00 2001 From: Wei Liu Date: Thu, 28 Jan 2016 11:30:56 +0000 Subject: [PATCH] Add netfront flame graph --- netfront-flame-graph.svg | 1739 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 1739 insertions(+) create mode 100644 netfront-flame-graph.svg diff --git a/netfront-flame-graph.svg b/netfront-flame-graph.svg new file mode 100644 index 0000000..fd06b1e --- /dev/null +++ b/netfront-flame-graph.svg @@ -0,0 +1,1739 @@ + + + + + + + + + + + + + +Flame Graph + +Reset Zoom +Search + + +kernel`xn_txq_mq_start_locked (1,903 samples, 1.36%) + + + +kernel`sys_write (13,873 samples, 9.94%) +kernel`sys_write + + +kernel`ip_input (31 samples, 0.02%) + + + +kernel`uma_dbg_getslab (419 samples, 0.30%) + + + +kernel`m_demote (38 samples, 0.03%) + + + +kernel`vm_page_dequeue (18 samples, 0.01%) + + + +kernel`ithread_loop (49 samples, 0.04%) + + + +kernel`trash_dtor (72 samples, 0.05%) + + + +kernel`0xffffffff80e50408 (142 samples, 0.10%) + + + +kernel`uma_dbg_free (23 samples, 0.02%) + + + +kernel`sleepq_wait_sig (99 samples, 0.07%) + + + +kernel`witness_unlock (24 samples, 0.02%) + + + +kernel`0xffffffff80e4c95e (124,753 samples, 89.40%) +kernel`0xffffffff80e4c95e + + +kernel`__rw_wlock_hard (20 samples, 0.01%) + + + +kernel`__mtx_lock_spin_flags (21 samples, 0.02%) + + + +kernel`__mtx_lock_sleep (206 samples, 0.15%) + + + +kernel`bpf_filter (18 samples, 0.01%) + + + +kernel`xn_txq_mq_start_locked (139 samples, 0.10%) + + + +kernel`m_copym (2,072 samples, 1.48%) + + + +kernel`cpu_idle (108,788 samples, 77.96%) +kernel`cpu_idle + + +kernel`witness_checkorder (30 samples, 0.02%) + + + +kernel`cpu_idleclock (40 samples, 0.03%) + + + +kernel`vm_fault (477 samples, 0.34%) + + + +kernel`m_getm2 (7,249 samples, 5.19%) +kernel.. + + +kernel`_sx_xunlock (16 samples, 0.01%) + + + +kernel`__mtx_unlock_flags (13 samples, 0.01%) + + + +kernel`in_pcblookup_hash (98 samples, 0.07%) + + + +kernel`mb_free_ext (3,736 samples, 2.68%) +ke.. + + +kernel`bpf_mtap (12 samples, 0.01%) + + + +kernel`__mtx_unlock_flags (228 samples, 0.16%) + + + +kernel`sched_idletd (109,186 samples, 78.24%) +kernel`sched_idletd + + +kernel`pmap_kextract (14 samples, 0.01%) + + + +kernel`witness_unlock (12 samples, 0.01%) + + + +kernel`netisr_dispatch_src (12,493 samples, 8.95%) +kernel`netis.. + + +kernel`witness_checkorder (15 samples, 0.01%) + + + +kernel`uma_zfree_arg (98 samples, 0.07%) + + + +kernel`sbfree (37 samples, 0.03%) + + + +kernel`msleep_spin_sbt (292 samples, 0.21%) + + + +kernel`in_cksum_skip (15 samples, 0.01%) + + + +kernel`__mtx_lock_flags (373 samples, 0.27%) + + + +kernel`__mtx_lock_sleep (340 samples, 0.24%) + + + +kernel`trash_dtor (174 samples, 0.12%) + + + +kernel`_libmd_SHA256_Transform (18 samples, 0.01%) + + + +kernel`__mtx_lock_flags (32 samples, 0.02%) + + + +kernel`m_freem (15 samples, 0.01%) + + + +kernel`tcp_output (5,450 samples, 3.91%) +kern.. + + +kernel`__mtx_unlock_flags (17 samples, 0.01%) + 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samples, 0.03%) + + + +kernel`sowakeup (619 samples, 0.44%) + + + +kernel`ether_output (2,117 samples, 1.52%) + + + +kernel`__mtx_lock_flags (15 samples, 0.01%) + + + +kernel`witness_unlock (12 samples, 0.01%) + + + +kernel`__mtx_lock_sleep (256 samples, 0.18%) + + + +kernel`taskqueue_run_locked (15,181 samples, 10.88%) +kernel`taskqueue.. + + +kernel`xn_txq_tq_intr (1,522 samples, 1.09%) + + + +kernel`intr_event_execute_handlers (49 samples, 0.04%) + + + +kernel`vga_bitblt_text (27 samples, 0.02%) + + + +kernel`witness_warn (67 samples, 0.05%) + + + +kernel`uma_zfree_arg (838 samples, 0.60%) + + + +kernel`uma_dbg_free (1,474 samples, 1.06%) + + + +kernel`_isitmyx (12 samples, 0.01%) + + + +kernel`__mtx_unlock_flags (211 samples, 0.15%) + + + +kernel`pmap_kextract (13 samples, 0.01%) + + + +kernel`uma_zalloc_arg (445 samples, 0.32%) + + + +kernel`tcp_output (12 samples, 0.01%) + + + +kernel`__rw_rlock (37 samples, 0.03%) + + + +kernel`__mtx_unlock_flags (103 samples, 0.07%) + + + 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0.01%) + + + +kernel`tcp_do_segment (12,247 samples, 8.78%) +kernel`tcp_d.. + + +kernel`ether_input (12,657 samples, 9.07%) +kernel`ether_.. + + +kernel`m_uiotombuf (8,843 samples, 6.34%) +kernel`m.. + + +kernel`critical_exit (15 samples, 0.01%) + + + +kernel`uma_dbg_free (32 samples, 0.02%) + + + +kernel`uma_zfree_arg (3,538 samples, 2.54%) +ke.. + + +kernel`witness_lock (52 samples, 0.04%) + + + +kernel`witness_checkorder (126 samples, 0.09%) + + + +kernel`sbdrop (130 samples, 0.09%) + + + +all (139,548 samples, 100%) + + + +kernel`binuptime (14 samples, 0.01%) + + + +kernel`cc_ack_received (12 samples, 0.01%) + + + +kernel`sbcut_internal (98 samples, 0.07%) + + + +kernel`__mtx_unlock_flags (95 samples, 0.07%) + + + +kernel`0xffffffff80e4c3ae (14 samples, 0.01%) + + + +kernel`uma_dbg_getslab (40 samples, 0.03%) + + + +kernel`mb_ctor_mbuf (15 samples, 0.01%) + + + +kernel`gnttab_release_grant_reference (35 samples, 0.03%) + + + +kernel`vt_flush (27 samples, 0.02%) + + + 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+kernel`spinlock_exit (13 samples, 0.01%) + + + +kernel`kern_writev (13,866 samples, 9.94%) +kernel`kern_wr.. + + +kernel`mb_free_ext (165 samples, 0.12%) + + + +kernel`memcpy (13 samples, 0.01%) + + + +kernel`gnttab_claim_grant_reference (37 samples, 0.03%) + + + +kernel`mb_dupcl (541 samples, 0.39%) + + + +kernel`rtalloc_ign_fib (137 samples, 0.10%) + + + +kernel`gnttab_end_foreign_access_ref (56 samples, 0.04%) + + + +kernel`trash_dtor (2,657 samples, 1.90%) +k.. + + +kernel`trash_dtor (177 samples, 0.13%) + + + +kernel`tcp_usr_send (4,457 samples, 3.19%) +ker.. + + +kernel`sbappendstream_locked (123 samples, 0.09%) + + + +kernel`sbfree (20 samples, 0.01%) + + + +kernel`pmap_enter (73 samples, 0.05%) + + + +kernel`bcopy (18 samples, 0.01%) + + + +kernel`__mtx_lock_sleep (20 samples, 0.01%) + + + +kernel`uma_dbg_alloc (1,944 samples, 1.39%) + + + +kernel`_rw_wlock_cookie (4,159 samples, 2.98%) +ke.. + + +kernel`bpf_mtap (97 samples, 0.07%) + + + +kernel`witness_unlock (87 samples, 0.06%) + + + +kernel`arpresolve (87 samples, 0.06%) + + + +kernel`witness_unlock (14 samples, 0.01%) + + + +kernel`trash_ctor (3,738 samples, 2.68%) +ke.. + + +kernel`uma_dbg_free (610 samples, 0.44%) + + + +kernel`netisr_dispatch_src (12,648 samples, 9.06%) +kernel`netisr.. + + +kernel`0xffffffff80e50408 (43 samples, 0.03%) + + + +kernel`rtalloc1_fib (131 samples, 0.09%) + + + +kernel`ether_nh_input (12,632 samples, 9.05%) +kernel`ether_.. + + +kernel`__mtx_lock_sleep (468 samples, 0.34%) + + + +kernel`witness_checkorder (21 samples, 0.02%) + + + +kernel`critical_enter (25 samples, 0.02%) + + + +kernel`acpi_cpu_idle (108,662 samples, 77.87%) +kernel`acpi_cpu_idle + + +kernel`vm_page_enqueue (17 samples, 0.01%) + + + +kernel`tcp_input (12,430 samples, 8.91%) +kernel`tcp_i.. + + +kernel`xn_txeof (1,323 samples, 0.95%) + + + +kernel`vm_page_free_toq (94 samples, 0.07%) + + + +kernel`trap_pfault (483 samples, 0.35%) + + + +kernel`fork_exit (124,753 samples, 89.40%) +kernel`fork_exit + + +kernel`spinlock_exit (47 samples, 0.03%) + + + +kernel`xn_txq_mq_start (1,988 samples, 1.42%) + + + +kernel`trash_dtor (147 samples, 0.11%) + + + +kernel`callout_reset_sbt_on (85 samples, 0.06%) + + + +kernel`__mtx_lock_flags (14 samples, 0.01%) + + + +kernel`uma_dbg_alloc (111 samples, 0.08%) + + + +kernel`taskqueue_thread_loop (15,474 samples, 11.09%) +kernel`taskqueue.. + + +kernel`trap (624 samples, 0.45%) + + + +kernel`userret (15 samples, 0.01%) + + + +kernel`_rw_runlock_cookie (23 samples, 0.02%) + + + +kernel`__mtx_lock_flags (206 samples, 0.15%) + + + +kernel`uma_zalloc_arg (1,473 samples, 1.06%) + + + +kernel`uma_zalloc_arg (7,189 samples, 5.15%) +kernel.. + + +kernel`tcp_do_segment (29 samples, 0.02%) + + + +kernel`mb_dtor_clust (70 samples, 0.05%) + + + +kernel`netisr_dispatch_src (32 samples, 0.02%) + + + +kernel`witness_checkorder (21 samples, 0.02%) + + + +kernel`_rw_runlock_cookie (15 samples, 0.01%) + + + +kernel`uma_dbg_getslab (1,106 samples, 0.79%) + + + 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(166 samples, 0.12%) + + + +kernel`unlock_and_deallocate (25 samples, 0.02%) + + + +kernel`trash_ctor (284 samples, 0.20%) + + + +kernel`ip_output (2,425 samples, 1.74%) + + + +kernel`bcopy (16 samples, 0.01%) + + + +kernel`critical_exit (13 samples, 0.01%) + + + +kernel`spinlock_exit (36 samples, 0.03%) + + + +kernel`__rw_rlock (38 samples, 0.03%) + + + +kernel`uma_zfree_arg (223 samples, 0.16%) + + + +kernel`ipsec_hdrsiz_tcp (16 samples, 0.01%) + + + +kernel`__mtx_unlock_flags (206 samples, 0.15%) + + + +kernel`witness_unlock (55 samples, 0.04%) + + + +kernel`critical_exit (96 samples, 0.07%) + + + +kernel`trash_ctor (52 samples, 0.04%) + + + +kernel`mb_ctor_clust (4,238 samples, 3.04%) +ker.. + + +kernel`trash_dtor (114 samples, 0.08%) + + + +kernel`xn_txeof (15 samples, 0.01%) + + + +kernel`uma_dbg_getslab (485 samples, 0.35%) + + + +kernel`__mtx_lock_flags (280 samples, 0.20%) + + + +kernel`0xffffffff80e4c427 (633 samples, 0.45%) + + + +kernel`random_kthread (36 samples, 0.03%) + + + +kernel`mb_ctor_pack (56 samples, 0.04%) + + + +kernel`tcp_lro_rx_csum_fixup (12 samples, 0.01%) + + + +kernel`uma_find_refcnt (57 samples, 0.04%) + + + +kernel`_libmd_SHA256_Update (19 samples, 0.01%) + + + +kernel`__mtx_lock_flags (35 samples, 0.03%) + + + +kernel`_mtx_trylock_flags_ (21 samples, 0.02%) + + + +kernel`kern_nanosleep (13 samples, 0.01%) + + + +kernel`witness_checkorder (235 samples, 0.17%) + + + +kernel`witness_unlock (74 samples, 0.05%) + + + +kernel`wakeup (597 samples, 0.43%) + + + -- 2.39.5