LCOV - code coverage report
Current view: top level - pageserver/src - virtual_file.rs (source / functions) Coverage Total Hit
Test: 32f4a56327bc9da697706839ed4836b2a00a408f.info Lines: 93.8 % 806 756
Test Date: 2024-02-07 07:37:29 Functions: 93.4 % 151 141

Function Name Sort by function name Hit count Sort by function hit count
<pageserver::virtual_file::VirtualFile as core::fmt::Debug>::fmt 0
<pageserver::virtual_file::VirtualFile>::read_exact_at_page::{closure#0}::{closure#1} 0
<pageserver::virtual_file::VirtualFile>::remove 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::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_empty_buf_issues_no_syscall 2
pageserver::virtual_file::test_read_exact_at_impl::test_two_read_at_calls_needed_until_buf_filled 2
pageserver::virtual_file::tests::test_atomic_overwrite_preexisting_tmp 2
pageserver::virtual_file::tests::test_physical_files 2
pageserver::virtual_file::tests::test_vfile_concurrency 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_empty_buf_issues_no_syscall::{closure#0} 4
pageserver::virtual_file::test_read_exact_at_impl::test_two_read_at_calls_needed_until_buf_filled::{closure#0} 4
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::tests::test_atomic_overwrite_preexisting_tmp::{closure#0} 4
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::{closure#0} 4
pageserver::virtual_file::tests::test_vfile_concurrency::{closure#0} 4
<pageserver::virtual_file::VirtualFile as core::ops::drop::Drop>::drop::{closure#0} 5
<pageserver::virtual_file::tests::MaybeVirtualFile as core::convert::From<pageserver::virtual_file::VirtualFile>>::from 6
pageserver::virtual_file::test_read_exact_at_impl::test_basic 6
pageserver::virtual_file::test_read_exact_at_impl::test_basic 2
pageserver::virtual_file::test_read_exact_at_impl::test_basic::{closure#0} 4
pageserver::virtual_file::test_read_exact_at_impl::test_eof_before_buffer_full 6
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} 4
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::test_atomic_overwrite_basic 6
pageserver::virtual_file::tests::test_atomic_overwrite_basic 2
pageserver::virtual_file::tests::test_atomic_overwrite_basic::{closure#0} 4
pageserver::virtual_file::tests::test_virtual_files 6
pageserver::virtual_file::tests::test_virtual_files 2
pageserver::virtual_file::tests::test_virtual_files::{closure#0} 4
<pageserver::virtual_file::test_read_exact_at_impl::MockReadAt as core::ops::drop::Drop>::drop 8
<pageserver::virtual_file::test_read_exact_at_impl::MockReadAt>::read_at 12
<pageserver::virtual_file::test_read_exact_at_impl::MockReadAt>::read_at::{closure#0} 12
<pageserver::virtual_file::tests::MaybeVirtualFile>::write_all 16
::write_all 8
::write_all::{closure#0} 8
<pageserver::virtual_file::tests::MaybeVirtualFile>::write_all_at 16
::write_all_at 8
::write_all_at::{closure#0} 8
<pageserver::virtual_file::tests::MaybeVirtualFile>::seek 72
::seek 36
::seek::{closure#0} 36
pageserver::virtual_file::get_open_files::{closure#0} 102
<core::result::Result<(), std::io::error::Error> as pageserver::virtual_file::MaybeFatalIo<()>>::maybe_fatal_err 119
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}::{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::init 604
<pageserver::virtual_file::OpenFiles>::new 706
<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 1434
, std::io::error::Error> as pageserver::virtual_file::MaybeFatalIo>>::fatal_err 28
as pageserver::virtual_file::MaybeFatalIo>::fatal_err 38
as pageserver::virtual_file::MaybeFatalIo<()>>::fatal_err 60
as pageserver::virtual_file::MaybeFatalIo>::fatal_err 611
, std::io::error::Error> as pageserver::virtual_file::MaybeFatalIo>>::fatal_err 697
<pageserver::virtual_file::VirtualFile>::crashsafe_overwrite 8849
<pageserver::virtual_file::VirtualFile>::crashsafe_overwrite::{closure#0} 8849
<pageserver::virtual_file::VirtualFile>::read_blk 20200
<pageserver::virtual_file::VirtualFile>::read_blk::{closure#0} 20200
<pageserver::virtual_file::VirtualFile>::metadata::{closure#0}::{closure#0} 21944
<pageserver::virtual_file::VirtualFile>::create 31884
::create 15942
::create::{closure#0} 15942
<pageserver::virtual_file::VirtualFile>::sync_all::{closure#0}::{closure#0} 39642
<pageserver::virtual_file::VirtualFile>::metadata 43888
::metadata 21944
::metadata::{closure#0} 21944
<pageserver::virtual_file::VirtualFile as core::ops::drop::Drop>::drop::clean_slot::{closure#0} 55667
<pageserver::virtual_file::VirtualFile as core::ops::drop::Drop>::drop 66379
<pageserver::virtual_file::VirtualFile as core::ops::drop::Drop>::drop::clean_slot 66379
<pageserver::virtual_file::VirtualFile>::open 68874
::open 34437
::open::{closure#0} 34437
<pageserver::virtual_file::VirtualFile>::sync_all 79284
::sync_all 39642
::sync_all::{closure#0} 39642
<pageserver::virtual_file::VirtualFile>::open_with_options 80227
<pageserver::virtual_file::VirtualFile>::open_with_options::{closure#0} 80227
<pageserver::virtual_file::VirtualFile>::seek 131706
::seek 65853
::seek::{closure#0} 65853
<pageserver::virtual_file::FileGuard as uring_common::io_fd::IoFd>::as_fd 144825
<pageserver::virtual_file::OpenFiles>::find_victim_slot::{closure#0}::{closure#0} 223737
<pageserver::virtual_file::SlotHandle as core::fmt::Debug>::fmt 298020
::clone 0
::fmt 0
::eq 298020
<pageserver::virtual_file::OpenFiles>::find_victim_slot 569484
::find_victim_slot 284742
::find_victim_slot::{closure#0} 284742
<pageserver::virtual_file::VirtualFile>::read_exact_at_page::{closure#0} 6296259
<pageserver::virtual_file::VirtualFile>::read_exact_at_page::{closure#0}::{closure#0} 6296259
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf::IoBuf>::bytes_total 6296273
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf::IoBuf>::stable_ptr 6296273
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf_mut::IoBufMut>::set_init 6296273
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf_mut::IoBufMut>::stable_mut_ptr 6296273
<pageserver::virtual_file::VirtualFile>::read_exact_at_page 6296273
<pageserver::virtual_file::VirtualFile>::read_exact_at::<alloc::vec::Vec<u8>> 6516461
::read_exact_at::> 220202
::read_exact_at:: 6296259
<pageserver::virtual_file::VirtualFile>::read_exact_at::<alloc::vec::Vec<u8>>::{closure#0} 6516461
::read_exact_at::>::{closure#0} 220202
::read_exact_at::::{closure#0} 6296259
<pageserver::virtual_file::VirtualFile>::read_exact_at::<alloc::vec::Vec<u8>>::{closure#0}::{closure#0} 6516461
::read_exact_at::>::{closure#0}::{closure#0} 220202
::read_exact_at::::{closure#0}::{closure#0} 6296259
<pageserver::virtual_file::VirtualFile>::read_exact_at::<alloc::vec::Vec<u8>>::{closure#0}::{closure#1} 6516461
::read_exact_at::>::{closure#0}::{closure#1} 220202
::read_exact_at::::{closure#0}::{closure#1} 6296259
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}> 6516469
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::, ::read_exact_at>::{closure#0}::{closure#0}, ::read_at>>::{closure#0}> 220202
pageserver::virtual_file::read_exact_at_impl::::read_exact_at::{closure#0}::{closure#0}, ::read_at>::{closure#0}> 6296259
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} 6516469
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::, ::read_exact_at>::{closure#0}::{closure#0}, ::read_at>>::{closure#0}>::{closure#0} 220202
pageserver::virtual_file::read_exact_at_impl::::read_exact_at::{closure#0}::{closure#0}, ::read_at>::{closure#0}>::{closure#0} 6296259
<pageserver::virtual_file::VirtualFile>::read_at::<alloc::vec::Vec<u8>> 6516905
::read_at::> 444
::read_at::>> 220202
::read_at::> 6296259
<pageserver::virtual_file::VirtualFile>::read_at::<alloc::vec::Vec<u8>>::{closure#0} 6516905
::read_at::>::{closure#0} 444
::read_at::>>::{closure#0} 220202
::read_at::>::{closure#0} 6296259
<pageserver::virtual_file::VirtualFile>::write_all_at 7435418
::write_all_at 3717709
::write_all_at::{closure#0} 3717709
<pageserver::virtual_file::VirtualFile>::write_at::{closure#0}::{closure#0} 8925952
<pageserver::virtual_file::VirtualFile>::write 10416493
::write::{closure#0} 5208243
::write 5208250
<pageserver::virtual_file::VirtualFile>::write_all 10416557
::write_all::{closure#0} 5208275
::write_all 5208282
<pageserver::virtual_file::FileGuard>::with_std_file::<<pageserver::virtual_file::VirtualFile>::sync_all::{closure#0}::{closure#0}, core::result::Result<(), std::io::error::Error>> 15359618
::with_std_file::<::read_at>::{closure#0}::{closure#0}, core::result::Result> 222
::with_std_file::<::metadata::{closure#0}::{closure#0}, core::result::Result> 21944
::with_std_file::<::sync_all::{closure#0}::{closure#0}, core::result::Result<(), std::io::error::Error>> 39642
::with_std_file::<::read_at>>::{closure#0}::{closure#0}, core::result::Result> 110101
::with_std_file::<::read_at>::{closure#0}::{closure#0}, core::result::Result> 6261757
::with_std_file::<::write_at::{closure#0}::{closure#0}, core::result::Result> 8925952
<pageserver::virtual_file::FileGuard as core::convert::AsRef<std::os::fd::owned::OwnedFd>>::as_ref 15504468
pageserver::virtual_file::get_open_files 15651074
<pageserver::virtual_file::VirtualFile>::write_at 17851911
::write_at::{closure#0} 8925952
::write_at 8925959
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf::IoBuf>::bytes_init 18888819
<pageserver::virtual_file::VirtualFile>::lock_file 31008915
::lock_file::{closure#0} 15504447
::lock_file 15504468

Generated by: LCOV version 2.1-beta