Samples
Children Self Shared Objec Symbol
- 97.03% 0.01% [kernel] [k] entry_SYSCALL_64_after_hwframe
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- 52.00% entry_SYSCALL_64_after_hwframe
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- 51.95% do_syscall_64
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- 44.40% __x64_sys_splice
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- 65.95% do_splice
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- 31.93% mutex_unlock
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- 16.82% pipe_double_lock
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- 10.75% mutex_lock
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- 3.90% _cond_resched
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1.52% rcu_all_qs
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- 3.49% __mutex_lock.constprop.0
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3.19% mutex_spin_on_owner
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- 9.99% mutex_lock
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- 3.30% _cond_resched
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1.07% rcu_all_qs
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2.16% pipe_unlock
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- 1.27% __mutex_lock.constprop.0
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1.25% mutex_spin_on_owner
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- 11.49% __x64_sys_ioctl
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ksys_ioctl
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rpc_populate.constprop.0
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_btrfs_ioctl_send
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- btrfs_ioctl_send
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- 12.87% process_extent
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- 13.00% send_extent_data
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- 4.72% send_cmd
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- 4.64% kernel_write
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- 4.73% vfs_write
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- 4.52% new_sync_write
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- 4.83% pipe_write
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- 1.89% copy_page_from_iter
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- 3.13% _copy_from_iter
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2.93% memcpy_erms
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- 1.29% __alloc_pages_nodemask
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1.05% get_page_from_freelist
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- 0.72% schedule
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0.77% __schedule
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- 2.72% __do_page_cache_readahead
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- 2.07% read_pages.isra.0
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- 2.05% extent_readpages
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For a higher level overview, try: perf top --sort comm,dso
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