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➜ /tmp pprof --alloc_space --text /data/apps/qemu-kvm/x86_64-softmmu/qemu-system-x86_64 profile.0004.heap
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Some binary filenames not available. Symbolization may be incomplete.
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Try setting PPROF_BINARY_PATH to the search path for local binaries.
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File: qemu-system-x86_64
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Type: alloc_space
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Showing nodes accounting for 1553.18MB, 100% of 1553.64MB total
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Dropped 770 nodes (cum <= 7.77MB)
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flat flat% sum% cum cum%
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713.84MB 45.95% 45.95% 713.84MB 45.95% qemu_try_memalign
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697.59MB 44.90% 90.85% 698.81MB 44.98% [librados.so.2.0.0]
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139.77MB 9.00% 99.84% 139.77MB 9.00% [libglib-2.0.so.0.4200.2]
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1.10MB 0.071% 99.91% 373.45MB 24.04% [libceph-common.so.0]
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0.80MB 0.051% 100% 327.37MB 21.07% [librbd.so.1.12.0]
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0.09MB 0.0055% 100% 371.40MB 23.91% [libstdc++.so.6.0.19]
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0 0% 100% 520.13MB 33.48% <unknown>
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0 0% 100% 434.41MB 27.96% __clone
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0 0% 100% 1031.24MB 66.38% __correctly_grouped_prefixwc
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0 0% 100% 87.78MB 5.65% __libc_start_main
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0 0% 100% 87.77MB 5.65% _start
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0 0% 100% 61.87MB 3.98% access_with_adjusted_size
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0 0% 100% 61.87MB 3.98% address_space_rw
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0 0% 100% 43.38MB 2.79% address_space_update_ioeventfds
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0 0% 100% 18.07MB 1.16% address_space_update_topology
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0 0% 100% 17.39MB 1.12% address_space_update_topology_pass
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0 0% 100% 61.87MB 3.98% address_space_write
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0 0% 100% 61.87MB 3.98% address_space_write_continue
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0 0% 100% 68.44MB 4.41% aio_ctx_dispatch
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0 0% 100% 68.44MB 4.41% aio_dispatch
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0 0% 100% 379.19MB 24.41% bdrv_aligned_preadv
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0 0% 100% 652.05MB 41.97% bdrv_aligned_pwritev
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0 0% 100% 379.19MB 24.41% bdrv_co_do_preadv
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0 0% 100% 652.05MB 41.97% bdrv_co_do_pwritev
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0 0% 100% 379.19MB 24.41% bdrv_co_do_readv
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0 0% 100% 1031.24MB 66.38% bdrv_co_io_em
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0 0% 100% 379.19MB 24.41% bdrv_co_readv
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0 0% 100% 379.19MB 24.41% bdrv_co_readv_em
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0 0% 100% 652.05MB 41.97% bdrv_co_writev_em
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0 0% 100% 13.64MB 0.88% bdrv_open
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0 0% 100% 13.58MB 0.87% bdrv_open_common
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0 0% 100% 13.64MB 0.88% bdrv_open_inherit
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0 0% 100% 66.05MB 4.25% blk_aio_prwv
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0 0% 100% 379.19MB 24.41% blk_aio_read_entry
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0 0% 100% 60.04MB 3.86% blk_aio_readv
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0 0% 100% 652.05MB 41.97% blk_aio_write_entry
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0 0% 100% 379.19MB 24.41% blk_co_preadv
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0 0% 100% 652.05MB 41.97% blk_co_pwritev
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0 0% 100% 13.67MB 0.88% blk_new_open
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0 0% 100% 13.65MB 0.88% blockdev_init
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0 0% 100% 1031.24MB 66.38% coroutine_trampoline
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0 0% 100% 13.66MB 0.88% drive_init_func
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0 0% 100% 13.66MB 0.88% drive_new
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0 0% 100% 68.45MB 4.41% glib_pollfds_poll
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0 0% 100% 61.87MB 3.98% kvm_cpu_exec
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0 0% 100% 18.25MB 1.17% kvm_handle_io
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0 0% 100% 87.78MB 5.65% main
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0 0% 100% 68.45MB 4.41% main_loop
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0 0% 100% 68.45MB 4.41% main_loop_wait
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0 0% 100% 17.39MB 1.12% mem_add
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0 0% 100% 43.61MB 2.81% memory_region_add_eventfd
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0 0% 100% 61.87MB 3.98% memory_region_dispatch_write
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0 0% 100% 18.24MB 1.17% memory_region_set_enabled
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0 0% 100% 61.66MB 3.97% memory_region_transaction_commit
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0 0% 100% 61.87MB 3.98% memory_region_write_accessor
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0 0% 100% 68.45MB 4.41% os_host_main_loop_wait
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0 0% 100% 18.24MB 1.17% pci_data_write
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0 0% 100% 18.23MB 1.17% pci_default_write_config
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0 0% 100% 18.24MB 1.17% pci_host_config_write_common
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0 0% 100% 18.24MB 1.17% pci_host_data_write
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0 0% 100% 12.94MB 0.83% phys_map_node_reserve
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0 0% 100% 12.94MB 0.83% phys_page_set
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0 0% 100% 12.38MB 0.8% qcow2_open
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0 0% 100% 72.02MB 4.64% qemu_coroutine_create
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0 0% 100% 72.02MB 4.64% qemu_coroutine_new
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0 0% 100% 61.86MB 3.98% qemu_kvm_cpu_thread_fn
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0 0% 100% 16.72MB 1.08% qemu_opts_foreach
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0 0% 100% 379.19MB 24.41% qemu_rbd_aio_readv
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0 0% 100% 652.05MB 41.97% qemu_rbd_aio_writev
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0 0% 100% 713.32MB 45.91% qemu_try_blockalign
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0 0% 100% 379.19MB 24.41% raw_co_readv
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0 0% 100% 652.05MB 41.97% raw_co_writev_flags
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0 0% 100% 1031.24MB 66.38% rbd_start_aio
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0 0% 100% 13.22MB 0.85% register_multipage
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0 0% 100% 434.42MB 27.96% start_thread
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0 0% 100% 66.10MB 4.25% submit_requests
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0 0% 100% 68.44MB 4.41% virtio_blk_handle_output
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0 0% 100% 68.44MB 4.41% virtio_blk_handle_vq
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0 0% 100% 66.10MB 4.25% virtio_blk_submit_multireq
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0 0% 100% 43.62MB 2.81% virtio_pci_common_write
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0 0% 100% 43.62MB 2.81% virtio_pci_set_host_notifier_internal
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0 0% 100% 43.62MB 2.81% virtio_pci_start_ioeventfd
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0 0% 100% 68.44MB 4.41% virtio_queue_host_notifier_read
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0 0% 100% 68.44MB 4.41% virtio_queue_notify_vq
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