Created
March 28, 2015 18:28
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TLB shootdown tracker
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| # /data/shootdowns | tee -i /data/shootdowns2.log | |
| ADDRESS PAGES SHOOTDOWNS FACTOR LATENCY (us) | |
| 0xffffff26f1674000 1792 1 1792 492 | |
| 0xffffff26f1630000 67 1 67 28 | |
| 0xffffff26ffaf7000 62 1 62 30 | |
| 0xffffff0bd2a90000 2 1 2 7 | |
| 0xffffff0c9f659000 16 1 16 9 | |
| 0xffffff0ca14db000 32 1 32 10 | |
| 0xffffff23542de000 64 1 64 16 | |
| 0xffffff26f122e000 384 1 384 128 | |
| 0xffffff26f13af000 64 1 64 26 | |
| 0xffffff0c9f659000 16 1 16 10 | |
| 0xffffff0ca14db000 32 1 32 11 | |
| 0xffffff26ffb36000 67 1 67 34 | |
| 0xffffff26ffb7a000 61 1 61 29 | |
| 0xffffff0c9f659000 16 1 16 9 | |
| 0xffffff0ca14db000 32 1 32 10 | |
| 0xffffff23542de000 64 1 64 16 | |
| 0xffffff26ffbb8000 67 1 67 28 | |
| 0xffffff0c9f659000 16 1 16 9 | |
| 0xffffff0ca14db000 32 1 32 10 | |
| 0xffffff23542de000 64 1 64 16 | |
| ADDRESS PAGES SHOOTDOWNS FACTOR LATENCY (us) | |
| 0xffffff0c9f659000 16 1 16 9 | |
| 0xffffff0ca14db000 32 1 32 12 | |
| 0xffffff23542de000 64 1 64 17 | |
| 0xffffff0906383000 2 1 2 5 | |
| 0xffffff0906383000 2 1 2 4 | |
| 0xffffff0906383000 2 1 2 3 | |
| 0xffffff0906383000 2 1 2 4 | |
| 0xffffff0906383000 2 1 2 4 | |
| 0xffffff0906383000 2 1 2 4 | |
| ^C | |
| TOP FIVE STACKS BY FREQUENCY | |
| The top five stacks leading to memory unload. | |
| unix`hat_unload+0x3e | |
| unix`segkmem_free_vn+0x62 | |
| unix`segkmem_free+0x23 | |
| genunix`vmem_xfree+0xf4 | |
| genunix`vmem_free+0x23 | |
| unix`kstat_free+0x35 | |
| unix`kstat_delete+0x176 | |
| mac`mac_misc_stat_delete+0x24 | |
| mac`mac_client_datapath_teardown+0xc7 | |
| mac`mac_unicast_remove+0x27a | |
| vnic`vnic_dev_delete+0x15e | |
| vnic`vnic_ioc_delete+0x28 | |
| dld`drv_ioctl+0x1e4 | |
| genunix`cdev_ioctl+0x39 | |
| specfs`spec_ioctl+0x60 | |
| genunix`fop_ioctl+0x55 | |
| genunix`ioctl+0x9b | |
| unix`sys_syscall32+0x109 | |
| 1 | |
| unix`hat_unload+0x3e | |
| unix`segkmem_free_vn+0x62 | |
| unix`segkmem_free+0x23 | |
| genunix`vmem_xfree+0xf4 | |
| genunix`vmem_free+0x23 | |
| genunix`kmem_free+0x128 | |
| kstat`read_kstat_data+0x19d | |
| kstat`kstat_ioctl+0x83 | |
| genunix`cdev_ioctl+0x39 | |
| specfs`spec_ioctl+0x60 | |
| genunix`fop_ioctl+0x55 | |
| genunix`ioctl+0x9b | |
| unix`_sys_sysenter_post_swapgs+0x153 | |
| 2 | |
| unix`hat_unload+0x3e | |
| unix`segkmem_free_vn+0x62 | |
| unix`segkmem_free+0x23 | |
| genunix`vmem_xfree+0xf4 | |
| genunix`vmem_free+0x23 | |
| genunix`kmem_free+0x128 | |
| genunix`i_ddi_di_cache_free+0x71 | |
| genunix`free_cache_task+0x64 | |
| genunix`taskq_d_thread+0xb7 | |
| unix`thread_start+0x8 | |
| 3 | |
| unix`hat_unload+0x3e | |
| unix`bp_mapout+0xce | |
| genunix`biowait+0x8b | |
| ufs`ufs_putapage+0x401 | |
| ufs`ufs_putpages+0x39e | |
| ufs`ufs_putpage+0x81 | |
| genunix`fop_putpage+0x4c | |
| genunix`segvn_sync+0x549 | |
| genunix`as_ctl+0x342 | |
| genunix`memcntl+0x4de | |
| unix`_sys_sysenter_post_swapgs+0x153 | |
| 6 | |
| unix`hat_unload+0x3e | |
| genunix`devmap_free_pages+0x49 | |
| genunix`vmem_xfree+0xf4 | |
| genunix`vmem_free+0x23 | |
| genunix`devmap_umem_free_np+0x22 | |
| genunix`ddi_umem_free+0xc4 | |
| devinfo`di_freemem+0x3f | |
| devinfo`di_ioctl+0x338 | |
| genunix`cdev_ioctl+0x39 | |
| specfs`spec_ioctl+0x60 | |
| genunix`fop_ioctl+0x55 | |
| genunix`ioctl+0x9b | |
| unix`_sys_sysenter_post_swapgs+0x153 | |
| 14 | |
| TOP FIVE STACKS BY PAGES UNMAPPED | |
| The fives stacks unmapping the most memory. For each stack the | |
| distribution of pages per memory unmapping is shown. The value on the | |
| left is # of pages unmapped in one call. | |
| unix`hat_unload+0x3e | |
| unix`segkmem_free_vn+0x62 | |
| unix`segkmem_free+0x23 | |
| genunix`vmem_xfree+0xf4 | |
| genunix`vmem_free+0x23 | |
| genunix`kmem_free+0x128 | |
| kstat`read_kstat_data+0x19d | |
| kstat`kstat_ioctl+0x83 | |
| genunix`cdev_ioctl+0x39 | |
| specfs`spec_ioctl+0x60 | |
| genunix`fop_ioctl+0x55 | |
| genunix`ioctl+0x9b | |
| unix`_sys_sysenter_post_swapgs+0x153 | |
| value ------------- Distribution ------------- count | |
| 58 | 0 | |
| 60 |██████████████████████████████████████ 1 | |
| 62 |██████████████████████████████████████ 1 | |
| 64 | 0 | |
| unix`hat_unload+0x3e | |
| unix`segkmem_free_vn+0x62 | |
| unix`segkmem_free+0x23 | |
| genunix`vmem_xfree+0xf4 | |
| genunix`vmem_free+0x23 | |
| genunix`kmem_free+0x128 | |
| genunix`i_ddi_di_cache_free+0x71 | |
| genunix`free_cache_task+0x64 | |
| genunix`taskq_d_thread+0xb7 | |
| unix`thread_start+0x8 | |
| value ------------- Distribution ------------- count | |
| 64 | 0 | |
| 66 |██████████████████████████████████████ 3 | |
| 68 | 0 | |
| unix`hat_unload+0x3e | |
| unix`segkmem_free_vn+0x62 | |
| unix`segkmem_free+0x23 | |
| genunix`vmem_xfree+0xf4 | |
| genunix`vmem_free+0x23 | |
| genunix`kmem_free+0x128 | |
| ip`ipcl_destroy+0x67 | |
| ip`ip_stack_fini+0x19b | |
| genunix`netstack_apply_destroy+0xeb | |
| genunix`apply_all_modules_reverse+0x49 | |
| genunix`netstack_stack_inactive+0x12b | |
| genunix`netstack_rele+0x7d | |
| genunix`netstack_zone_destroy+0x67 | |
| genunix`zsd_apply_destroy+0x1d1 | |
| genunix`zsd_apply_all_keys+0x5f | |
| genunix`zone_zsd_callbacks+0xe6 | |
| genunix`zone_destroy+0xe0 | |
| genunix`zone+0x1e7 | |
| unix`sys_syscall+0x17a | |
| value ------------- Distribution ------------- count | |
| 360 | 0 | |
| 380 |██████████████████████████████████████ 1 | |
| 400 | 0 | |
| unix`hat_unload+0x3e | |
| genunix`devmap_free_pages+0x49 | |
| genunix`vmem_xfree+0xf4 | |
| genunix`vmem_free+0x23 | |
| genunix`devmap_umem_free_np+0x22 | |
| genunix`ddi_umem_free+0xc4 | |
| devinfo`di_freemem+0x3f | |
| devinfo`di_ioctl+0x338 | |
| genunix`cdev_ioctl+0x39 | |
| specfs`spec_ioctl+0x60 | |
| genunix`fop_ioctl+0x55 | |
| genunix`ioctl+0x9b | |
| unix`_sys_sysenter_post_swapgs+0x153 | |
| value ------------- Distribution ------------- count | |
| 14 | 0 | |
| 16 |██████████████████████████████████████ 5 | |
| 18 | 0 | |
| 20 | 0 | |
| 22 | 0 | |
| 24 | 0 | |
| 26 | 0 | |
| 28 | 0 | |
| 30 | 0 | |
| 32 |██████████████████████████████████████ 5 | |
| 34 | 0 | |
| 36 | 0 | |
| 38 | 0 | |
| 40 | 0 | |
| 42 | 0 | |
| 44 | 0 | |
| 46 | 0 | |
| 48 | 0 | |
| 50 | 0 | |
| 52 | 0 | |
| 54 | 0 | |
| 56 | 0 | |
| 58 | 0 | |
| 60 | 0 | |
| 62 | 0 | |
| 64 |██████████████████████████████▍ 4 | |
| 66 | 0 | |
| unix`hat_unload+0x3e | |
| unix`segkmem_free_vn+0x62 | |
| unix`segkmem_free+0x23 | |
| genunix`vmem_xfree+0xf4 | |
| genunix`vmem_free+0x23 | |
| genunix`kmem_free+0x128 | |
| kvm`kvm_free_physmem_slot+0x3d | |
| kvm`kvm_free_physmem+0x40 | |
| kvm`kvm_arch_destroy_vm_comps+0x26 | |
| kvm`kvm_destroy_vm+0x36 | |
| kvm`kvm_close+0x88 | |
| genunix`dev_close+0x31 | |
| specfs`device_close+0xd8 | |
| specfs`spec_delmap+0xd8 | |
| genunix`fop_delmap+0x81 | |
| genunix`segdev_unmap+0x156 | |
| genunix`as_free+0xe7 | |
| genunix`relvm+0x220 | |
| genunix`proc_exit+0x49d | |
| genunix`exit+0x15 | |
| value ------------- Distribution ------------- count | |
| 980 | 0 | |
| >= 1000 |██████████████████████████████████████ 1 | |
| OVERALL LATENCY | |
| The latency distribution for all memory unmappings. The value on the | |
| left is latency in microseconds. | |
| value ------------- Distribution ------------- count | |
| 2 | 0 | |
| 3 |██████▎ 1 | |
| 4 |█████████████████████████▎ 4 | |
| 5 |██████▎ 1 | |
| 6 | 0 | |
| 7 |██████▎ 1 | |
| 8 | 0 | |
| 9 |█████████████████████████▎ 4 | |
| 10 |██████████████████████████████████████ 6 | |
| 15 |█████████████████████████▎ 4 | |
| 20 | 0 | |
| 25 |█████████████████████████▎ 4 | |
| 30 |████████████▋ 2 | |
| 35 | 0 | |
| 40 | 0 | |
| 45 | 0 | |
| 50 | 0 | |
| 55 | 0 | |
| 60 | 0 | |
| 65 | 0 | |
| 70 | 0 | |
| 75 | 0 | |
| 80 | 0 | |
| 85 | 0 | |
| 90 | 0 | |
| 95 | 0 | |
| 100 |██████▎ 1 | |
| 150 | 0 | |
| 200 | 0 | |
| 250 | 0 | |
| 300 | 0 | |
| 350 | 0 | |
| 400 | 0 | |
| 450 |██████▎ 1 | |
| 500 | 0 | |
| OVERALL SAVINGS | |
| total pages unmapped 3074 | |
| total shootdowns 29 | |
| total factor saved 106 | |
| The savings distribution for all shootdowns. The value on the left | |
| is the factor saved (# pages / # shootdowns). | |
| value ------------- Distribution ------------- count | |
| 1 | 0 | |
| 2 |██████████████████████████████████████ 7 | |
| 3 | 0 | |
| 4 | 0 | |
| 5 | 0 | |
| 6 | 0 | |
| 7 | 0 | |
| 8 | 0 | |
| 9 | 0 | |
| 10 | 0 | |
| 12 | 0 | |
| 14 | 0 | |
| 16 |███████████████████████████▏ 5 | |
| 18 | 0 | |
| 20 | 0 | |
| 22 | 0 | |
| 24 | 0 | |
| 26 | 0 | |
| 28 | 0 | |
| 30 | 0 | |
| 32 |███████████████████████████▏ 5 | |
| 34 | 0 | |
| 36 | 0 | |
| 38 | 0 | |
| 40 | 0 | |
| 42 | 0 | |
| 44 | 0 | |
| 46 | 0 | |
| 48 | 0 | |
| 50 | 0 | |
| 52 | 0 | |
| 54 | 0 | |
| 56 | 0 | |
| 58 | 0 | |
| 60 |█████▍ 1 | |
| 62 |█████▍ 1 | |
| 64 |███████████████████████████▏ 5 | |
| 66 |████████████████▎ 3 | |
| 68 | 0 | |
| 70 | 0 | |
| 72 | 0 | |
| 74 | 0 | |
| 76 | 0 | |
| 78 | 0 | |
| 80 | 0 | |
| 82 | 0 | |
| 84 | 0 | |
| 86 | 0 | |
| 88 | 0 | |
| 90 | 0 | |
| 92 | 0 | |
| 94 | 0 | |
| 96 | 0 | |
| 98 | 0 | |
| 100 | 0 | |
| 120 | 0 | |
| 140 | 0 | |
| 160 | 0 | |
| 180 | 0 | |
| 200 | 0 | |
| 220 | 0 | |
| 240 | 0 | |
| 260 | 0 | |
| 280 | 0 | |
| 300 | 0 | |
| 320 | 0 | |
| 340 | 0 | |
| 360 | 0 | |
| 380 |█████▍ 1 | |
| 400 | 0 | |
| 420 | 0 | |
| 440 | 0 | |
| 460 | 0 | |
| 480 | 0 | |
| 500 | 0 | |
| 520 | 0 | |
| 540 | 0 | |
| 560 | 0 | |
| 580 | 0 | |
| 600 | 0 | |
| 620 | 0 | |
| 640 | 0 | |
| 660 | 0 | |
| 680 | 0 | |
| 700 | 0 | |
| 720 | 0 | |
| 740 | 0 | |
| 760 | 0 | |
| 780 | 0 | |
| 800 | 0 | |
| 820 | 0 | |
| 840 | 0 | |
| 860 | 0 | |
| 880 | 0 | |
| 900 | 0 | |
| 920 | 0 | |
| 940 | 0 | |
| 960 | 0 | |
| 980 | 0 | |
| >= 1000 |█████▍ 1 |
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