LCOV - code coverage report
Current view: top level - pageserver/src - virtual_file.rs (source / functions) Coverage Total Hit
Test: 1e20c4f2b28aa592527961bb32170ebbd2c9172f.info Lines: 86.1 % 798 687
Test Date: 2025-07-16 12:29:03 Functions: 76.1 % 188 143

Function Name Sort by function name Hit count Sort by function hit count
<core::result::Result<(), std::io::error::Error> as pageserver::virtual_file::MaybeFatalIo<()>>::fatal_err 1051
as pageserver::virtual_file::MaybeFatalIo<()>>::fatal_err 523
, std::io::error::Error> as pageserver::virtual_file::MaybeFatalIo>>::fatal_err 0
, std::io::error::Error> as pageserver::virtual_file::MaybeFatalIo>>::fatal_err 2
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 6
as pageserver::virtual_file::MaybeFatalIo>::fatal_err 516
as pageserver::virtual_file::MaybeFatalIo>::fatal_err 0
as pageserver::virtual_file::MaybeFatalIo>::fatal_err 4
<core::result::Result<(), std::io::error::Error> as pageserver::virtual_file::MaybeFatalIo<()>>::maybe_fatal_err 592007
as pageserver::virtual_file::MaybeFatalIo<()>>::maybe_fatal_err 15035
as pageserver::virtual_file::MaybeFatalIo>::maybe_fatal_err 278582
as pageserver::virtual_file::MaybeFatalIo>::maybe_fatal_err 298390
<pageserver::virtual_file::FileGuard as core::convert::AsRef<std::os::fd::owned::OwnedFd>>::as_ref 300779
<pageserver::virtual_file::FileGuard as uring_common::io_fd::IoFd>::as_fd 300772
<pageserver::virtual_file::FileGuard>::with_std_file::<<pageserver::virtual_file::io_engine::IoEngine>::set_len::{closure#0}::{closure#0}, core::result::Result<(), std::io::error::Error>> 7
::with_std_file::<::metadata::{closure#0}::{closure#0}, core::result::Result> 0
::with_std_file::<::read_at>::{closure#0}::{closure#0}, core::result::Result> 0
::with_std_file::<::read_at::{closure#0}::{closure#0}, core::result::Result> 0
::with_std_file::<::read_at>>::{closure#0}::{closure#0}, core::result::Result> 0
::with_std_file::<::set_len::{closure#0}::{closure#0}, core::result::Result<(), std::io::error::Error>> 0
::with_std_file::<::set_len::{closure#0}::{closure#1}, core::result::Result<(), std::io::error::Error>> 7
::with_std_file::<::sync_all::{closure#0}::{closure#0}, core::result::Result<(), std::io::error::Error>> 0
::with_std_file::<::sync_data::{closure#0}::{closure#0}, core::result::Result<(), std::io::error::Error>> 0
::with_std_file::<::write_at>>::{closure#0}::{closure#0}, core::result::Result> 0
<pageserver::virtual_file::OpenFiles>::find_victim_slot 198044
::find_victim_slot 99022
::find_victim_slot::{closure#0} 99022
<pageserver::virtual_file::OpenFiles>::find_victim_slot::{closure#0}::{closure#0} 96433
<pageserver::virtual_file::OpenFiles>::new 122
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf::IoBuf>::bytes_init 121233
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf::IoBuf>::bytes_total 51957
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf::IoBuf>::stable_ptr 69276
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf_mut::IoBufMut>::set_init 17319
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf_mut::IoBufMut>::stable_mut_ptr 17319
<pageserver::virtual_file::SyncMode as core::convert::TryFrom<u8>>::try_from 0
<pageserver::virtual_file::VirtualFile as pageserver::virtual_file::owned_buffers_io::write::OwnedAsyncWriter>::set_len 0
::set_len 0
::set_len::{closure#0} 0
<pageserver::virtual_file::VirtualFile as pageserver::virtual_file::owned_buffers_io::write::OwnedAsyncWriter>::write_all_at::<_> 0
<pageserver::virtual_file::VirtualFile as pageserver::virtual_file::owned_buffers_io::write::OwnedAsyncWriter>::write_all_at::<_>::{closure#0} 0
<pageserver::virtual_file::VirtualFile>::crashsafe_overwrite::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>> 11
::crashsafe_overwrite::, alloc::vec::Vec> 11
::crashsafe_overwrite:: 0
<pageserver::virtual_file::VirtualFile>::crashsafe_overwrite::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>>::{closure#0} 11
::crashsafe_overwrite::, alloc::vec::Vec>::{closure#0} 11
::crashsafe_overwrite::::{closure#0} 0
<pageserver::virtual_file::VirtualFile>::metadata 1860
::metadata 930
::metadata::{closure#0} 930
<pageserver::virtual_file::VirtualFile>::open::<&camino::Utf8Path> 516
::open::<&&camino::Utf8PathBuf> 0
::open::<&camino::Utf8Path> 0
::open::<&camino::Utf8PathBuf> 516
<pageserver::virtual_file::VirtualFile>::open::<&camino::Utf8Path>::{closure#0} 0
<pageserver::virtual_file::VirtualFile>::open::<&camino::Utf8PathBuf>::{closure#0} 516
::open::<&&camino::Utf8PathBuf>::{closure#0} 0
::open::<&camino::Utf8PathBuf>::{closure#0} 516
<pageserver::virtual_file::VirtualFile>::open_v2::<&camino::Utf8Path> 647
::open_v2::<&camino::Utf8Path> 635
::open_v2::<&camino::Utf8PathBuf> 4
::open_v2:: 8
<pageserver::virtual_file::VirtualFile>::open_v2::<&camino::Utf8Path>::{closure#0} 647
::open_v2::<&camino::Utf8Path>::{closure#0} 635
::open_v2::<&camino::Utf8PathBuf>::{closure#0} 4
::open_v2::::{closure#0} 8
<pageserver::virtual_file::VirtualFile>::open_with_options_v2::<&camino::Utf8Path> 2654
::open_with_options_v2::<&camino::Utf8Path> 659
::open_with_options_v2::<&camino::Utf8PathBuf> 1893
::open_with_options_v2:: 102
<pageserver::virtual_file::VirtualFile>::open_with_options_v2::<&camino::Utf8Path>::{closure#0} 2654
::open_with_options_v2::<&camino::Utf8Path>::{closure#0} 659
::open_with_options_v2::<&camino::Utf8PathBuf>::{closure#0} 1893
::open_with_options_v2::::{closure#0} 102
<pageserver::virtual_file::VirtualFile>::path 806
<pageserver::virtual_file::VirtualFile>::read_blk 5229
<pageserver::virtual_file::VirtualFile>::read_blk::{closure#0} 5229
<pageserver::virtual_file::VirtualFile>::read_exact_at::<pageserver::virtual_file::owned_buffers_io::aligned_buffer::buffer_mut::AlignedBufferMut<pageserver::virtual_file::owned_buffers_io::aligned_buffer::alignment::ConstAlign<512>>> 256034
<pageserver::virtual_file::VirtualFile>::read_exact_at::<pageserver::virtual_file::owned_buffers_io::aligned_buffer::buffer_mut::AlignedBufferMut<pageserver::virtual_file::owned_buffers_io::aligned_buffer::alignment::ConstAlign<512>>>::{closure#0} 256034
<pageserver::virtual_file::VirtualFile>::read_exact_at_page 17319
<pageserver::virtual_file::VirtualFile>::read_exact_at_page::{closure#0} 17319
<pageserver::virtual_file::VirtualFile>::read_to_string::<&camino::Utf8PathBuf> 0
<pageserver::virtual_file::VirtualFile>::read_to_string::<&camino::Utf8PathBuf>::{closure#0} 0
<pageserver::virtual_file::VirtualFile>::read_to_string::<&camino::Utf8PathBuf>::{closure#0}::{closure#0} 0
<pageserver::virtual_file::VirtualFile>::set_len 14
::set_len 7
::set_len::{closure#0} 7
<pageserver::virtual_file::VirtualFile>::sync_all 2904
::sync_all 1452
::sync_all::{closure#0} 1452
<pageserver::virtual_file::VirtualFile>::sync_data 0
::sync_data 0
::sync_data::{closure#0} 0
<pageserver::virtual_file::VirtualFile>::write_all_at::<pageserver::virtual_file::owned_buffers_io::aligned_buffer::buffer::AlignedBuffer<pageserver::virtual_file::owned_buffers_io::aligned_buffer::alignment::ConstAlign<512>>> 19808
<pageserver::virtual_file::VirtualFile>::write_all_at::<pageserver::virtual_file::owned_buffers_io::aligned_buffer::buffer::AlignedBuffer<pageserver::virtual_file::owned_buffers_io::aligned_buffer::alignment::ConstAlign<512>>>::{closure#0} 19808
<pageserver::virtual_file::VirtualFileInner as core::ops::drop::Drop>::drop 2745
<pageserver::virtual_file::VirtualFileInner as core::ops::drop::Drop>::drop::clean_slot 2745
<pageserver::virtual_file::VirtualFileInner as core::ops::drop::Drop>::drop::clean_slot::{closure#0} 2433
<pageserver::virtual_file::VirtualFileInner as core::ops::drop::Drop>::drop::{closure#0} 1
<pageserver::virtual_file::VirtualFileInner>::crashsafe_overwrite::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>> 14
::crashsafe_overwrite::, alloc::vec::Vec> 14
::crashsafe_overwrite:: 0
<pageserver::virtual_file::VirtualFileInner>::crashsafe_overwrite::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>>::{closure#0} 14
::crashsafe_overwrite::, alloc::vec::Vec>::{closure#0} 14
::crashsafe_overwrite::::{closure#0} 0
<pageserver::virtual_file::VirtualFileInner>::crashsafe_overwrite::<alloc::vec::Vec<u8>, alloc::vec::Vec<u8>>::{closure#0}::{closure#0} 14
::crashsafe_overwrite::, alloc::vec::Vec>::{closure#0}::{closure#0} 14
::crashsafe_overwrite::::{closure#0}::{closure#0} 0
<pageserver::virtual_file::VirtualFileInner>::lock_file 601558
::lock_file 300779
::lock_file::{closure#0} 300779
<pageserver::virtual_file::VirtualFileInner>::metadata 1860
::metadata 930
::metadata::{closure#0} 930
<pageserver::virtual_file::VirtualFileInner>::open::<&camino::Utf8Path> 516
::open::<&&camino::Utf8PathBuf> 0
::open::<&camino::Utf8Path> 0
::open::<&camino::Utf8PathBuf> 516
<pageserver::virtual_file::VirtualFileInner>::open::<&camino::Utf8Path>::{closure#0} 0
<pageserver::virtual_file::VirtualFileInner>::open::<&camino::Utf8PathBuf>::{closure#0} 516
::open::<&&camino::Utf8PathBuf>::{closure#0} 0
::open::<&camino::Utf8PathBuf>::{closure#0} 516
<pageserver::virtual_file::VirtualFileInner>::open_with_options::<&camino::Utf8Path> 3170
::open_with_options::<&camino::Utf8Path> 1175
::open_with_options::<&camino::Utf8PathBuf> 1893
::open_with_options:: 102
<pageserver::virtual_file::VirtualFileInner>::open_with_options::<&camino::Utf8Path>::{closure#0} 3170
::open_with_options::<&camino::Utf8Path>::{closure#0} 1175
::open_with_options::<&camino::Utf8PathBuf>::{closure#0} 1893
::open_with_options::::{closure#0} 102
<pageserver::virtual_file::VirtualFileInner>::read_at::<alloc::vec::Vec<u8>> 278582
::read_at::> 0
::read_at:: 17319
::read_at::>> 261263
<pageserver::virtual_file::VirtualFileInner>::read_at::<alloc::vec::Vec<u8>>::{closure#0} 278582
::read_at::>::{closure#0} 0
::read_at::::{closure#0} 17319
::read_at::>>::{closure#0} 261263
<pageserver::virtual_file::VirtualFileInner>::read_blk 5229
<pageserver::virtual_file::VirtualFileInner>::read_blk::{closure#0} 5229
<pageserver::virtual_file::VirtualFileInner>::read_exact_at::<pageserver::virtual_file::PageWriteGuardBuf> 278582
::read_exact_at:: 17319
::read_exact_at::>> 261263
<pageserver::virtual_file::VirtualFileInner>::read_exact_at::<pageserver::virtual_file::PageWriteGuardBuf>::{closure#0} 278582
::read_exact_at::::{closure#0} 17319
::read_exact_at::>>::{closure#0} 261263
<pageserver::virtual_file::VirtualFileInner>::read_exact_at::<pageserver::virtual_file::PageWriteGuardBuf>::{closure#0}::{closure#0} 278582
::read_exact_at::::{closure#0}::{closure#0} 17319
::read_exact_at::>>::{closure#0}::{closure#0} 261263
<pageserver::virtual_file::VirtualFileInner>::read_exact_at::<pageserver::virtual_file::PageWriteGuardBuf>::{closure#0}::{closure#1} 278582
::read_exact_at::::{closure#0}::{closure#1} 17319
::read_exact_at::>>::{closure#0}::{closure#1} 261263
<pageserver::virtual_file::VirtualFileInner>::read_exact_at_page 17319
<pageserver::virtual_file::VirtualFileInner>::read_exact_at_page::{closure#0} 17319
<pageserver::virtual_file::VirtualFileInner>::read_exact_at_page::{closure#0}::{closure#0} 17319
<pageserver::virtual_file::VirtualFileInner>::set_len 14
::set_len 7
::set_len::{closure#0} 7
<pageserver::virtual_file::VirtualFileInner>::sync_all 2904
::sync_all 1452
::sync_all::{closure#0} 1452
<pageserver::virtual_file::VirtualFileInner>::sync_data 0
::sync_data 0
::sync_data::{closure#0} 0
<pageserver::virtual_file::VirtualFileInner>::validate_direct_io 298390
<pageserver::virtual_file::VirtualFileInner>::write_all_at::<pageserver::virtual_file::owned_buffers_io::aligned_buffer::buffer::AlignedBuffer<pageserver::virtual_file::owned_buffers_io::aligned_buffer::alignment::ConstAlign<512>>> 19808
<pageserver::virtual_file::VirtualFileInner>::write_all_at::<pageserver::virtual_file::owned_buffers_io::aligned_buffer::buffer::AlignedBuffer<pageserver::virtual_file::owned_buffers_io::aligned_buffer::alignment::ConstAlign<512>>>::{closure#0} 19808
<pageserver::virtual_file::VirtualFileInner>::write_all_at::<pageserver::virtual_file::owned_buffers_io::aligned_buffer::buffer::AlignedBuffer<pageserver::virtual_file::owned_buffers_io::aligned_buffer::alignment::ConstAlign<512>>>::{closure#0}::{closure#0} 19808
<pageserver::virtual_file::VirtualFileInner>::write_at::<pageserver::virtual_file::owned_buffers_io::aligned_buffer::buffer::AlignedBuffer<pageserver::virtual_file::owned_buffers_io::aligned_buffer::alignment::ConstAlign<512>>> 19808
<pageserver::virtual_file::VirtualFileInner>::write_at::<pageserver::virtual_file::owned_buffers_io::aligned_buffer::buffer::AlignedBuffer<pageserver::virtual_file::owned_buffers_io::aligned_buffer::alignment::ConstAlign<512>>>::{closure#0} 19808
<pageserver::virtual_file::test_read_exact_at_impl::MockReadAt as core::ops::drop::Drop>::drop 4
<pageserver::virtual_file::test_read_exact_at_impl::MockReadAt>::read_at 6
<pageserver::virtual_file::test_read_exact_at_impl::MockReadAt>::read_at::{closure#0} 6
pageserver::virtual_file::IO_MODE::{closure#0} 122
pageserver::virtual_file::get_io_buffer_alignment 0
pageserver::virtual_file::get_io_mode 2654
pageserver::virtual_file::get_open_files 306694
pageserver::virtual_file::get_open_files::{closure#0} 122
pageserver::virtual_file::init 0
pageserver::virtual_file::is_fatal_io_error 1
pageserver::virtual_file::on_fatal_io_error 0
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}> 278586
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}> 1
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}> 1
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}> 1
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}> 1
pageserver::virtual_file::read_exact_at_impl::::read_exact_at::{closure#0}::{closure#0}, ::read_at::{closure#0}> 17319
pageserver::virtual_file::read_exact_at_impl::>, ::read_exact_at>>::{closure#0}::{closure#0}, ::read_at>>::{closure#0}> 261263
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} 278586
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} 1
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} 1
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} 1
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} 1
pageserver::virtual_file::read_exact_at_impl::::read_exact_at::{closure#0}::{closure#0}, ::read_at::{closure#0}>::{closure#0} 17319
pageserver::virtual_file::read_exact_at_impl::>, ::read_exact_at>>::{closure#0}::{closure#0}, ::read_at>>::{closure#0}>::{closure#0} 261263
pageserver::virtual_file::set_io_mode 0
pageserver::virtual_file::test_read_exact_at_impl::test_basic 2
pageserver::virtual_file::test_read_exact_at_impl::test_basic 1
pageserver::virtual_file::test_read_exact_at_impl::test_basic::{closure#0} 1
pageserver::virtual_file::test_read_exact_at_impl::test_basic::{closure#0}::{closure#0} 1
pageserver::virtual_file::test_read_exact_at_impl::test_basic::{closure#0}::{closure#0}::{closure#0} 1
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 1
pageserver::virtual_file::test_read_exact_at_impl::test_empty_buf_issues_no_syscall::{closure#0} 1
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_eof_before_buffer_full 2
pageserver::virtual_file::test_read_exact_at_impl::test_eof_before_buffer_full 1
pageserver::virtual_file::test_read_exact_at_impl::test_eof_before_buffer_full::{closure#0} 1
pageserver::virtual_file::test_read_exact_at_impl::test_eof_before_buffer_full::{closure#0}::{closure#0} 3
pageserver::virtual_file::test_read_exact_at_impl::test_eof_before_buffer_full::{closure#0}::{closure#0}::{closure#0} 3
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 1
pageserver::virtual_file::test_read_exact_at_impl::test_two_read_at_calls_needed_until_buf_filled::{closure#0} 1
pageserver::virtual_file::test_read_exact_at_impl::test_two_read_at_calls_needed_until_buf_filled::{closure#0}::{closure#0} 2
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::tests::test_atomic_overwrite_basic 2
pageserver::virtual_file::tests::test_atomic_overwrite_basic 1
pageserver::virtual_file::tests::test_atomic_overwrite_basic::{closure#0} 1
pageserver::virtual_file::tests::test_atomic_overwrite_preexisting_tmp 2
pageserver::virtual_file::tests::test_atomic_overwrite_preexisting_tmp 1
pageserver::virtual_file::tests::test_atomic_overwrite_preexisting_tmp::{closure#0} 1
pageserver::virtual_file::tests::test_vfile_concurrency 2
pageserver::virtual_file::tests::test_vfile_concurrency 1
pageserver::virtual_file::tests::test_vfile_concurrency::{closure#0} 1
pageserver::virtual_file::tests::test_vfile_concurrency::{closure#0}::{closure#0} 100
pageserver::virtual_file::tests::test_virtual_files 2
pageserver::virtual_file::tests::test_virtual_files 1
pageserver::virtual_file::tests::test_virtual_files::{closure#0} 1
pageserver::virtual_file::tests::test_virtual_files::{closure#0}::{closure#0} 203
pageserver::virtual_file::tests::test_virtual_files::{closure#0}::{closure#1} 402
pageserver::virtual_file::tests::test_virtual_files::{closure#0}::{closure#1} 201
pageserver::virtual_file::tests::test_virtual_files::{closure#0}::{closure#1}::{closure#0}:: 201

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