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Bug #20054 » direct_1_cache_on_inuse_space.txt

Li Yichao, 03/23/2018 01:38 PM

 
➜ /tmp pprof --text /data/apps/qemu-kvm/x86_64-softmmu/qemu-system-x86_64 profile_direct/profile.0004.heap
Some binary filenames not available. Symbolization may be incomplete.
Try setting PPROF_BINARY_PATH to the search path for local binaries.
File: qemu-system-x86_64
Type: inuse_space
Showing nodes accounting for 371.52MB, 99.88% of 371.98MB total
Dropped 750 nodes (cum <= 1.86MB)
flat flat% sum% cum cum%
251.98MB 67.74% 67.74% 253.18MB 68.06% [librados.so.2.0.0]
77.59MB 20.86% 88.60% 77.59MB 20.86% [libglib-2.0.so.0.4200.2]
40.77MB 10.96% 99.56% 40.77MB 10.96% qemu_try_memalign
0.89MB 0.24% 99.80% 129.34MB 34.77% [libceph-common.so.0]
0.23MB 0.063% 99.86% 124.38MB 33.44% [librbd.so.1.12.0]
0.05MB 0.014% 99.88% 127.95MB 34.40% [libstdc++.so.6.0.19]
0 0% 99.88% 213.77MB 57.47% <unknown>
0 0% 99.88% 130.46MB 35.07% __clone
0 0% 99.88% 156.01MB 41.94% __correctly_grouped_prefixwc
0 0% 99.88% 85.34MB 22.94% __libc_start_main
0 0% 99.88% 85.33MB 22.94% _start
0 0% 99.88% 2.16MB 0.58% access_with_adjusted_size
0 0% 99.88% 2.16MB 0.58% address_space_rw
0 0% 99.88% 2.10MB 0.56% address_space_update_topology
0 0% 99.88% 2.03MB 0.55% address_space_update_topology_pass
0 0% 99.88% 2.16MB 0.58% address_space_write
0 0% 99.88% 2.16MB 0.58% address_space_write_continue
0 0% 99.88% 66.04MB 17.75% aio_ctx_dispatch
0 0% 99.88% 66.04MB 17.75% aio_dispatch
0 0% 99.88% 8MB 2.15% bdrv_aligned_preadv
0 0% 99.88% 148.01MB 39.79% bdrv_aligned_pwritev
0 0% 99.88% 8MB 2.15% bdrv_co_do_preadv
0 0% 99.88% 148.01MB 39.79% bdrv_co_do_pwritev
0 0% 99.88% 8MB 2.15% bdrv_co_do_readv
0 0% 99.88% 156.01MB 41.94% bdrv_co_io_em
0 0% 99.88% 8MB 2.15% bdrv_co_readv
0 0% 99.88% 8MB 2.15% bdrv_co_readv_em
0 0% 99.88% 148.01MB 39.79% bdrv_co_writev_em
0 0% 99.88% 13.63MB 3.66% bdrv_open
0 0% 99.88% 13.56MB 3.65% bdrv_open_common
0 0% 99.88% 13.63MB 3.66% bdrv_open_inherit
0 0% 99.88% 4MB 1.08% bdrv_pread
0 0% 99.88% 4MB 1.08% bdrv_prwv_co
0 0% 99.88% 66.02MB 17.75% blk_aio_prwv
0 0% 99.88% 8MB 2.15% blk_aio_read_entry
0 0% 99.88% 60.02MB 16.13% blk_aio_readv
0 0% 99.88% 148.01MB 39.79% blk_aio_write_entry
0 0% 99.88% 6MB 1.61% blk_aio_writev
0 0% 99.88% 8MB 2.15% blk_co_preadv
0 0% 99.88% 148.01MB 39.79% blk_co_pwritev
0 0% 99.88% 13.65MB 3.67% blk_new_open
0 0% 99.88% 2MB 0.54% blk_prw
0 0% 99.88% 2MB 0.54% blk_read
0 0% 99.88% 2MB 0.54% blk_read_unthrottled
0 0% 99.88% 2MB 0.54% blk_rw
0 0% 99.88% 2MB 0.54% blkconf_geometry
0 0% 99.88% 13.64MB 3.67% blockdev_init
0 0% 99.88% 156.01MB 41.94% coroutine_trampoline
0 0% 99.88% 2.98MB 0.8% device_init_func
0 0% 99.88% 3.34MB 0.9% device_set_realized
0 0% 99.88% 13.65MB 3.67% drive_init_func
0 0% 99.88% 13.65MB 3.67% drive_new
0 0% 99.88% 66.04MB 17.75% glib_pollfds_poll
0 0% 99.88% 2MB 0.54% guess_disk_lchs
0 0% 99.88% 2MB 0.54% hd_geometry_guess
0 0% 99.88% 2.16MB 0.58% kvm_cpu_exec
0 0% 99.88% 2.08MB 0.56% kvm_handle_io
0 0% 99.88% 85.34MB 22.94% main
0 0% 99.88% 66.04MB 17.75% main_loop
0 0% 99.88% 66.04MB 17.75% main_loop_wait
0 0% 99.88% 2.03MB 0.55% mem_add
0 0% 99.88% 2.16MB 0.58% memory_region_dispatch_write
0 0% 99.88% 2.08MB 0.56% memory_region_set_enabled
0 0% 99.88% 2.16MB 0.58% memory_region_transaction_commit
0 0% 99.88% 2.16MB 0.58% memory_region_write_accessor
0 0% 99.88% 3.34MB 0.9% object_property_set
0 0% 99.88% 3.34MB 0.9% object_property_set_bool
0 0% 99.88% 3.34MB 0.9% object_property_set_qobject
0 0% 99.88% 66.04MB 17.75% os_host_main_loop_wait
0 0% 99.88% 2MB 0.54% pc_init1
0 0% 99.88% 2MB 0.54% pc_init_rhel730
0 0% 99.88% 2.07MB 0.56% pci_data_write
0 0% 99.88% 2.06MB 0.55% pci_default_write_config
0 0% 99.88% 2.07MB 0.56% pci_host_config_write_common
0 0% 99.88% 2.07MB 0.56% pci_host_data_write
0 0% 99.88% 3.27MB 0.88% pci_qdev_realize
0 0% 99.88% 3.34MB 0.9% property_set_bool
0 0% 99.88% 6.25MB 1.68% qcow2_cache_create
0 0% 99.88% 12.38MB 3.33% qcow2_open
0 0% 99.88% 6.25MB 1.68% qcow2_update_options
0 0% 99.88% 6.25MB 1.68% qcow2_update_options_prepare
0 0% 99.88% 2.98MB 0.8% qdev_device_add
0 0% 99.88% 72.02MB 19.36% qemu_coroutine_create
0 0% 99.88% 72.02MB 19.36% qemu_coroutine_new
0 0% 99.88% 2.17MB 0.58% qemu_kvm_cpu_thread_fn
0 0% 99.88% 16.70MB 4.49% qemu_opts_foreach
0 0% 99.88% 8MB 2.15% qemu_rbd_aio_readv
0 0% 99.88% 148.01MB 39.79% qemu_rbd_aio_writev
0 0% 99.88% 40.25MB 10.82% qemu_try_blockalign
0 0% 99.88% 8MB 2.15% raw_co_readv
0 0% 99.88% 148.01MB 39.79% raw_co_writev_flags
0 0% 99.88% 156.01MB 41.94% rbd_start_aio
0 0% 99.88% 130.46MB 35.07% start_thread
0 0% 99.88% 66.02MB 17.75% submit_requests
0 0% 99.88% 2.24MB 0.6% virtio_blk_device_realize
0 0% 99.88% 66.04MB 17.75% virtio_blk_handle_output
0 0% 99.88% 66.04MB 17.75% virtio_blk_handle_vq
0 0% 99.88% 2.25MB 0.6% virtio_blk_pci_realize
0 0% 99.88% 66.02MB 17.75% virtio_blk_submit_multireq
0 0% 99.88% 2.62MB 0.7% virtio_device_realize
0 0% 99.88% 2.74MB 0.74% virtio_pci_dc_realize
0 0% 99.88% 2.64MB 0.71% virtio_pci_realize
0 0% 99.88% 66.04MB 17.75% virtio_queue_host_notifier_read
0 0% 99.88% 66.04MB 17.75% virtio_queue_notify_vq
(7-7/8)