LCOV - code coverage report
Current view: top level - pageserver/src - virtual_file.rs (source / functions) Coverage Total Hit
Test: b837401fb09d2d9818b70e630fdb67e9799b7b0d.info Lines: 92.3 % 914 844
Test Date: 2024-04-18 15:32:49 Functions: 91.0 % 189 172

Function Name Sort by function name Hit count Sort by function hit count
<pageserver::virtual_file::VirtualFile as core::ops::drop::Drop>::drop::{closure#0} 0
<pageserver::virtual_file::VirtualFile>::read_exact_at_page::{closure#0}::{closure#1} 0
<pageserver::virtual_file::VirtualFile>::remove 0
<pageserver::virtual_file::VirtualFile>::sync_data 0
::sync_data 0
::sync_data::{closure#0} 0
pageserver::virtual_file::init 0
pageserver::virtual_file::is_fatal_io_error 0
pageserver::virtual_file::on_fatal_io_error 0
pageserver::virtual_file::on_fatal_io_error::{closure#0} 0
pageserver::virtual_file::test_read_exact_at_impl::test_empty_buf_issues_no_syscall::{closure#0}::{closure#0} 0
pageserver::virtual_file::test_read_exact_at_impl::test_empty_buf_issues_no_syscall::{closure#0}::{closure#0}::{closure#0} 0
<pageserver::virtual_file::tests::MaybeVirtualFile>::write_all::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>>::{closure#0}::{closure#0} 2
pageserver::virtual_file::test_read_exact_at_impl::test_basic::{closure#0}::{closure#0} 2
pageserver::virtual_file::test_read_exact_at_impl::test_basic::{closure#0}::{closure#0}::{closure#0} 2
pageserver::virtual_file::test_read_exact_at_impl::test_with_count::{closure#0}::{closure#0} 2
pageserver::virtual_file::test_read_exact_at_impl::test_with_count::{closure#0}::{closure#0}::{closure#0} 2
<pageserver::virtual_file::FileGuard>::with_std_file_mut::<<pageserver::virtual_file::VirtualFile>::seek::{closure#0}::{closure#0}, core::result::Result<u64, std::io::error::Error>> 4
<pageserver::virtual_file::VirtualFile>::seek::{closure#0}::{closure#0} 4
pageserver::virtual_file::test_read_exact_at_impl::test_basic 4
pageserver::virtual_file::test_read_exact_at_impl::test_basic 2
pageserver::virtual_file::test_read_exact_at_impl::test_basic::{closure#0} 2
pageserver::virtual_file::test_read_exact_at_impl::test_empty_buf_issues_no_syscall 4
pageserver::virtual_file::test_read_exact_at_impl::test_empty_buf_issues_no_syscall 2
pageserver::virtual_file::test_read_exact_at_impl::test_empty_buf_issues_no_syscall::{closure#0} 2
pageserver::virtual_file::test_read_exact_at_impl::test_eof_before_buffer_full 4
pageserver::virtual_file::test_read_exact_at_impl::test_eof_before_buffer_full 2
pageserver::virtual_file::test_read_exact_at_impl::test_eof_before_buffer_full::{closure#0} 2
pageserver::virtual_file::test_read_exact_at_impl::test_two_read_at_calls_needed_until_buf_filled 4
pageserver::virtual_file::test_read_exact_at_impl::test_two_read_at_calls_needed_until_buf_filled 2
pageserver::virtual_file::test_read_exact_at_impl::test_two_read_at_calls_needed_until_buf_filled::{closure#0} 2
pageserver::virtual_file::test_read_exact_at_impl::test_two_read_at_calls_needed_until_buf_filled::{closure#0}::{closure#0} 4
pageserver::virtual_file::test_read_exact_at_impl::test_two_read_at_calls_needed_until_buf_filled::{closure#0}::{closure#0}::{closure#0} 4
pageserver::virtual_file::test_read_exact_at_impl::test_with_count 4
pageserver::virtual_file::test_read_exact_at_impl::test_with_count 2
pageserver::virtual_file::test_read_exact_at_impl::test_with_count::{closure#0} 2
pageserver::virtual_file::tests::test_atomic_overwrite_basic 4
pageserver::virtual_file::tests::test_atomic_overwrite_basic 2
pageserver::virtual_file::tests::test_atomic_overwrite_basic::{closure#0} 2
pageserver::virtual_file::tests::test_atomic_overwrite_preexisting_tmp 4
pageserver::virtual_file::tests::test_atomic_overwrite_preexisting_tmp 2
pageserver::virtual_file::tests::test_atomic_overwrite_preexisting_tmp::{closure#0} 2
pageserver::virtual_file::tests::test_files::<pageserver::virtual_file::tests::test_virtual_files::{closure#0}::{closure#0}, pageserver::virtual_file::tests::test_virtual_files::{closure#0}::{closure#0}::{closure#0}> 4
pageserver::virtual_file::tests::test_files:: 2
pageserver::virtual_file::tests::test_files:: 2
pageserver::virtual_file::tests::test_files::<pageserver::virtual_file::tests::test_virtual_files::{closure#0}::{closure#0}, pageserver::virtual_file::tests::test_virtual_files::{closure#0}::{closure#0}::{closure#0}>::{closure#0} 4
pageserver::virtual_file::tests::test_files::::{closure#0} 2
pageserver::virtual_file::tests::test_files::::{closure#0} 2
pageserver::virtual_file::tests::test_physical_files 4
pageserver::virtual_file::tests::test_physical_files 2
pageserver::virtual_file::tests::test_physical_files::{closure#0} 2
pageserver::virtual_file::tests::test_vfile_concurrency 4
pageserver::virtual_file::tests::test_vfile_concurrency 2
pageserver::virtual_file::tests::test_vfile_concurrency::{closure#0} 2
pageserver::virtual_file::tests::test_virtual_files 4
pageserver::virtual_file::tests::test_virtual_files 2
pageserver::virtual_file::tests::test_virtual_files::{closure#0} 2
<pageserver::virtual_file::tests::MaybeVirtualFile as core::convert::From<pageserver::virtual_file::VirtualFile>>::from 6
pageserver::virtual_file::test_read_exact_at_impl::test_eof_before_buffer_full::{closure#0}::{closure#0} 6
pageserver::virtual_file::test_read_exact_at_impl::test_eof_before_buffer_full::{closure#0}::{closure#0}::{closure#0} 6
<pageserver::virtual_file::tests::MaybeVirtualFile>::write_all::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>> 8
<pageserver::virtual_file::tests::MaybeVirtualFile>::write_all::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>>::{closure#0} 8
<pageserver::virtual_file::tests::MaybeVirtualFile>::write_all_at::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>> 8
<pageserver::virtual_file::tests::MaybeVirtualFile>::write_all_at::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>>::{closure#0} 8
<pageserver::virtual_file::test_read_exact_at_impl::MockReadAt as core::ops::drop::Drop>::drop 10
<pageserver::virtual_file::test_read_exact_at_impl::MockReadAt>::read_at 14
<pageserver::virtual_file::test_read_exact_at_impl::MockReadAt>::read_at::{closure#0} 14
<core::result::Result<(), std::io::error::Error> as pageserver::virtual_file::MaybeFatalIo<()>>::maybe_fatal_err 22
<pageserver::virtual_file::VirtualFile>::crashsafe_overwrite::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>> 28
<pageserver::virtual_file::VirtualFile>::crashsafe_overwrite::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>>::{closure#0} 28
<pageserver::virtual_file::VirtualFile>::crashsafe_overwrite::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>>::{closure#0}::{closure#0} 28
<pageserver::virtual_file::tests::MaybeVirtualFile>::seek 72
::seek 36
::seek::{closure#0} 36
<pageserver::virtual_file::OpenFiles>::new 120
pageserver::virtual_file::get_open_files::{closure#0} 120
pageserver::virtual_file::tests::test_vfile_concurrency::{closure#0}::{closure#0} 200
<pageserver::virtual_file::tests::MaybeVirtualFile>::read_exact_at::{closure#0}::{closure#0} 202
pageserver::virtual_file::tests::test_physical_files::{closure#0}::{closure#0} 206
pageserver::virtual_file::tests::test_physical_files::{closure#0}::{closure#0}::{closure#0} 206
pageserver::virtual_file::tests::test_virtual_files::{closure#0}::{closure#0} 206
pageserver::virtual_file::tests::test_virtual_files::{closure#0}::{closure#0}::{closure#0} 206
<pageserver::virtual_file::VirtualFile>::read_to_end 448
::read_to_end 224
::read_to_end::{closure#0} 224
<pageserver::virtual_file::tests::MaybeVirtualFile>::read_exact_at 808
::read_exact_at 404
::read_exact_at::{closure#0} 404
<pageserver::virtual_file::tests::MaybeVirtualFile>::read_string_at 808
::read_string_at 404
::read_string_at::{closure#0} 404
<pageserver::virtual_file::tests::MaybeVirtualFile>::read_string 884
::read_string 442
::read_string::{closure#0} 442
<core::result::Result<(), std::io::error::Error> as pageserver::virtual_file::MaybeFatalIo<()>>::fatal_err 1514
as pageserver::virtual_file::MaybeFatalIo>::fatal_err 0
as pageserver::virtual_file::MaybeFatalIo>::fatal_err 0
, std::io::error::Error> as pageserver::virtual_file::MaybeFatalIo>>::fatal_err 4
as pageserver::virtual_file::MaybeFatalIo>::fatal_err 8
, std::io::error::Error> as pageserver::virtual_file::MaybeFatalIo>>::fatal_err 12
as pageserver::virtual_file::MaybeFatalIo>::fatal_err 740
as pageserver::virtual_file::MaybeFatalIo<()>>::fatal_err 750
<pageserver::virtual_file::VirtualFile>::create 1758
::create 879
::create::{closure#0} 879
<pageserver::virtual_file::VirtualFile>::metadata 1924
::metadata 962
::metadata::{closure#0} 962
<pageserver::virtual_file::VirtualFile>::open 2800
::open 1400
::open::{closure#0} 1400
<pageserver::virtual_file::VirtualFile as core::ops::drop::Drop>::drop::clean_slot::{closure#0} 2814
<pageserver::virtual_file::VirtualFile as core::ops::drop::Drop>::drop 3317
<pageserver::virtual_file::VirtualFile as core::ops::drop::Drop>::drop::clean_slot 3317
<pageserver::virtual_file::VirtualFile>::sync_all 3406
::sync_all 1703
::sync_all::{closure#0} 1703
<pageserver::virtual_file::VirtualFile>::open_with_options 3607
<pageserver::virtual_file::VirtualFile>::open_with_options::{closure#0} 3607
<pageserver::virtual_file::VirtualFile>::seek 5796
::seek 2898
::seek::{closure#0} 2898
<pageserver::virtual_file::VirtualFile>::read_exact_at_n::<bytes::bytes_mut::BytesMut> 19758
<pageserver::virtual_file::VirtualFile>::read_exact_at_n::<bytes::bytes_mut::BytesMut>::{closure#0} 19758
<pageserver::virtual_file::VirtualFile>::read_exact_at_n::<bytes::bytes_mut::BytesMut>::{closure#0}::{closure#0} 19758
<pageserver::virtual_file::VirtualFile>::read_exact_at_n::<bytes::bytes_mut::BytesMut>::{closure#0}::{closure#1} 19758
<pageserver::virtual_file::VirtualFile>::read_blk 20200
<pageserver::virtual_file::VirtualFile>::read_blk::{closure#0} 20200
<pageserver::virtual_file::VirtualFile>::write_all_at::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>> 44752
::write_all_at::, alloc::vec::Vec> 4
::write_all_at:: 44748
<pageserver::virtual_file::VirtualFile>::write_all_at::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>>::{closure#0} 44752
::write_all_at::, alloc::vec::Vec>::{closure#0} 4
::write_all_at::::{closure#0} 44748
<pageserver::virtual_file::VirtualFile>::write::<alloc::vec::Vec<u8>> 92911
::write:: 4885
::write:: 13614
::write::> 74412
<pageserver::virtual_file::VirtualFile>::write::<alloc::vec::Vec<u8>>::{closure#0} 92911
::write::::{closure#0} 4885
::write::::{closure#0} 13614
::write::>::{closure#0} 74412
<pageserver::virtual_file::VirtualFile>::write_all::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>> 92943
::write_all::, bytes::bytes::Bytes> 0
::write_all::, bytes::bytes_mut::BytesMut> 0
::write_all::>, alloc::vec::Vec> 1340
::write_all:: 4885
::write_all:: 13614
::write_all::, alloc::vec::Vec> 73104
<pageserver::virtual_file::VirtualFile>::write_all::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>>::{closure#0} 92943
::write_all::, bytes::bytes::Bytes>::{closure#0} 0
::write_all::, bytes::bytes_mut::BytesMut>::{closure#0} 0
::write_all::>, alloc::vec::Vec>::{closure#0} 1340
::write_all::::{closure#0} 4885
::write_all::::{closure#0} 13614
::write_all::, alloc::vec::Vec>::{closure#0} 73104
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf::IoBuf>::bytes_total 111230
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf::IoBuf>::stable_ptr 111230
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf_mut::IoBufMut>::set_init 111230
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf_mut::IoBufMut>::stable_mut_ptr 111230
<pageserver::virtual_file::VirtualFile>::read_exact_at_page 111230
<pageserver::virtual_file::VirtualFile>::read_exact_at_page::{closure#0} 111230
<pageserver::virtual_file::VirtualFile>::read_exact_at_page::{closure#0}::{closure#0} 111230
<pageserver::virtual_file::VirtualFile>::write_at::<alloc::vec::Vec<u8>> 137663
::write_at:: 13614
::write_at:: 49633
::write_at::> 74416
<pageserver::virtual_file::VirtualFile>::write_at::<alloc::vec::Vec<u8>>::{closure#0} 137663
::write_at::::{closure#0} 13614
::write_at::::{closure#0} 49633
::write_at::>::{closure#0} 74416
<pageserver::virtual_file::OpenFiles>::find_victim_slot::{closure#0}::{closure#0} 188469
<pageserver::virtual_file::FileGuard>::with_std_file::<<pageserver::virtual_file::io_engine::IoEngine>::sync_all::{closure#0}::{closure#0}, core::result::Result<(), std::io::error::Error>> 245952
::with_std_file::<::read_at>::{closure#0}::{closure#0}, core::result::Result> 222
::with_std_file::<::metadata::{closure#0}::{closure#0}, core::result::Result> 481
::with_std_file::<::sync_all::{closure#0}::{closure#0}, core::result::Result<(), std::io::error::Error>> 850
::with_std_file::<::write_at::{closure#0}::{closure#0}, core::result::Result> 6808
::with_std_file::<::read_at>::{closure#0}::{closure#0}, core::result::Result> 9879
::with_std_file::<::write_at::{closure#0}::{closure#0}, core::result::Result> 24815
::with_std_file::<::write_at>::{closure#0}::{closure#0}, core::result::Result> 37208
::with_std_file::<::read_at>::{closure#0}::{closure#0}, core::result::Result> 55588
::with_std_file::<::read_at>>::{closure#0}::{closure#0}, core::result::Result> 110101
<pageserver::virtual_file::FileGuard as uring_common::io_fd::IoFd>::as_fd 246010
<pageserver::virtual_file::VirtualFile>::read_exact_at::<alloc::vec::Vec<u8>> 331432
::read_exact_at:: 111230
::read_exact_at::> 220202
<pageserver::virtual_file::VirtualFile>::read_exact_at::<alloc::vec::Vec<u8>>::{closure#0} 331432
::read_exact_at::::{closure#0} 111230
::read_exact_at::>::{closure#0} 220202
<pageserver::virtual_file::VirtualFile>::read_exact_at::<alloc::vec::Vec<u8>>::{closure#0}::{closure#0} 331432
::read_exact_at::::{closure#0}::{closure#0} 111230
::read_exact_at::>::{closure#0}::{closure#0} 220202
<pageserver::virtual_file::VirtualFile>::read_exact_at::<alloc::vec::Vec<u8>>::{closure#0}::{closure#1} 331432
::read_exact_at::::{closure#0}::{closure#1} 111230
::read_exact_at::>::{closure#0}::{closure#1} 220202
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf::IoBuf>::bytes_init 333690
pageserver::virtual_file::read_exact_at_impl::<alloc::vec::Vec<u8>, pageserver::virtual_file::test_read_exact_at_impl::test_basic::{closure#0}::{closure#0}, pageserver::virtual_file::test_read_exact_at_impl::test_basic::{closure#0}::{closure#0}::{closure#0}> 351200
pageserver::virtual_file::read_exact_at_impl::, pageserver::virtual_file::test_read_exact_at_impl::test_basic::{closure#0}::{closure#0}, pageserver::virtual_file::test_read_exact_at_impl::test_basic::{closure#0}::{closure#0}::{closure#0}> 2
pageserver::virtual_file::read_exact_at_impl::, pageserver::virtual_file::test_read_exact_at_impl::test_empty_buf_issues_no_syscall::{closure#0}::{closure#0}, pageserver::virtual_file::test_read_exact_at_impl::test_empty_buf_issues_no_syscall::{closure#0}::{closure#0}::{closure#0}> 2
pageserver::virtual_file::read_exact_at_impl::, pageserver::virtual_file::test_read_exact_at_impl::test_eof_before_buffer_full::{closure#0}::{closure#0}, pageserver::virtual_file::test_read_exact_at_impl::test_eof_before_buffer_full::{closure#0}::{closure#0}::{closure#0}> 2
pageserver::virtual_file::read_exact_at_impl::, pageserver::virtual_file::test_read_exact_at_impl::test_two_read_at_calls_needed_until_buf_filled::{closure#0}::{closure#0}, pageserver::virtual_file::test_read_exact_at_impl::test_two_read_at_calls_needed_until_buf_filled::{closure#0}::{closure#0}::{closure#0}> 2
pageserver::virtual_file::read_exact_at_impl::, pageserver::virtual_file::test_read_exact_at_impl::test_with_count::{closure#0}::{closure#0}, pageserver::virtual_file::test_read_exact_at_impl::test_with_count::{closure#0}::{closure#0}::{closure#0}> 2
pageserver::virtual_file::read_exact_at_impl::::read_exact_at_n::{closure#0}::{closure#0}, ::read_at>::{closure#0}> 19758
pageserver::virtual_file::read_exact_at_impl::::read_exact_at::{closure#0}::{closure#0}, ::read_at>::{closure#0}> 111230
pageserver::virtual_file::read_exact_at_impl::, ::read_exact_at>::{closure#0}::{closure#0}, ::read_at>>::{closure#0}> 220202
pageserver::virtual_file::read_exact_at_impl::<alloc::vec::Vec<u8>, pageserver::virtual_file::test_read_exact_at_impl::test_basic::{closure#0}::{closure#0}, pageserver::virtual_file::test_read_exact_at_impl::test_basic::{closure#0}::{closure#0}::{closure#0}>::{closure#0} 351200
pageserver::virtual_file::read_exact_at_impl::, pageserver::virtual_file::test_read_exact_at_impl::test_basic::{closure#0}::{closure#0}, pageserver::virtual_file::test_read_exact_at_impl::test_basic::{closure#0}::{closure#0}::{closure#0}>::{closure#0} 2
pageserver::virtual_file::read_exact_at_impl::, pageserver::virtual_file::test_read_exact_at_impl::test_empty_buf_issues_no_syscall::{closure#0}::{closure#0}, pageserver::virtual_file::test_read_exact_at_impl::test_empty_buf_issues_no_syscall::{closure#0}::{closure#0}::{closure#0}>::{closure#0} 2
pageserver::virtual_file::read_exact_at_impl::, pageserver::virtual_file::test_read_exact_at_impl::test_eof_before_buffer_full::{closure#0}::{closure#0}, pageserver::virtual_file::test_read_exact_at_impl::test_eof_before_buffer_full::{closure#0}::{closure#0}::{closure#0}>::{closure#0} 2
pageserver::virtual_file::read_exact_at_impl::, pageserver::virtual_file::test_read_exact_at_impl::test_two_read_at_calls_needed_until_buf_filled::{closure#0}::{closure#0}, pageserver::virtual_file::test_read_exact_at_impl::test_two_read_at_calls_needed_until_buf_filled::{closure#0}::{closure#0}::{closure#0}>::{closure#0} 2
pageserver::virtual_file::read_exact_at_impl::, pageserver::virtual_file::test_read_exact_at_impl::test_with_count::{closure#0}::{closure#0}, pageserver::virtual_file::test_read_exact_at_impl::test_with_count::{closure#0}::{closure#0}::{closure#0}>::{closure#0} 2
pageserver::virtual_file::read_exact_at_impl::::read_exact_at_n::{closure#0}::{closure#0}, ::read_at>::{closure#0}>::{closure#0} 19758
pageserver::virtual_file::read_exact_at_impl::::read_exact_at::{closure#0}::{closure#0}, ::read_at>::{closure#0}>::{closure#0} 111230
pageserver::virtual_file::read_exact_at_impl::, ::read_exact_at>::{closure#0}::{closure#0}, ::read_at>>::{closure#0}>::{closure#0} 220202
<pageserver::virtual_file::VirtualFile>::read_at::<alloc::vec::Vec<u8>> 351634
::read_at::> 444
::read_at::> 19758
::read_at::> 111230
::read_at::>> 220202
<pageserver::virtual_file::VirtualFile>::read_at::<alloc::vec::Vec<u8>>::{closure#0} 351634
::read_at::>::{closure#0} 444
::read_at::>::{closure#0} 19758
::read_at::>::{closure#0} 111230
::read_at::>>::{closure#0} 220202
<pageserver::virtual_file::OpenFiles>::find_victim_slot 382782
::find_victim_slot 191391
::find_victim_slot::{closure#0} 191391
<pageserver::virtual_file::FileGuard as core::convert::AsRef<std::os::fd::owned::OwnedFd>>::as_ref 491966
pageserver::virtual_file::get_open_files 498890
<pageserver::virtual_file::VirtualFile>::lock_file 983932
::lock_file 491966
::lock_file::{closure#0} 491966

Generated by: LCOV version 2.1-beta