LCOV - code coverage report
Current view: top level - pageserver/src - virtual_file.rs (source / functions) Coverage Total Hit
Test: ccf45ed1c149555259baec52d6229a81013dcd6a.info Lines: 94.1 % 988 930
Test Date: 2024-08-21 17:32:46 Functions: 92.0 % 213 196

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>::sync_data 0
::sync_data 0
::sync_data::{closure#0} 0
pageserver::virtual_file::init 0
pageserver::virtual_file::on_fatal_io_error 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>>::{closure#0}::{closure#0} 2
pageserver::virtual_file::is_fatal_io_error 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::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::VirtualFile>::write_all_at::<_> 4
::write_all_at::<_> 0
::write_all_at::> 4
<pageserver::virtual_file::VirtualFile>::write_all_at::<_>::{closure#0} 4
::write_all_at::<_>::{closure#0} 0
::write_all_at::>::{closure#0} 4
<pageserver::virtual_file::VirtualFile>::write_all_at::<_>::{closure#0}::{closure#0} 4
::write_all_at::<_>::{closure#0}::{closure#0} 0
::write_all_at::>::{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::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}::A> 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}::A>::{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::test_read_exact_at_impl::MockReadAt as core::ops::drop::Drop>::drop 8
<pageserver::virtual_file::tests::MaybeVirtualFile>::write_all::<alloc::vec::Vec<u8>> 8
<pageserver::virtual_file::tests::MaybeVirtualFile>::write_all::<alloc::vec::Vec<u8>>::{closure#0} 8
<pageserver::virtual_file::tests::MaybeVirtualFile>::write_all_at::<alloc::vec::Vec<u8>> 8
<pageserver::virtual_file::tests::MaybeVirtualFile>::write_all_at::<alloc::vec::Vec<u8>>::{closure#0} 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::VirtualFile>::remove 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 188
pageserver::virtual_file::get_open_files::{closure#0} 188
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}::B as pageserver::virtual_file::tests::Adapter>::open 206
<pageserver::virtual_file::tests::test_physical_files::{closure#0}::B as pageserver::virtual_file::tests::Adapter>::open::{closure#0} 206
<pageserver::virtual_file::tests::test_virtual_files::{closure#0}::A as pageserver::virtual_file::tests::Adapter>::open 206
<pageserver::virtual_file::tests::test_virtual_files::{closure#0}::A as pageserver::virtual_file::tests::Adapter>::open::{closure#0} 206
<pageserver::virtual_file::tests::MaybeVirtualFile>::read_exact_at 404
<pageserver::virtual_file::tests::MaybeVirtualFile>::read_exact_at::{closure#0} 404
<pageserver::virtual_file::tests::MaybeVirtualFile>::read_string_at 404
<pageserver::virtual_file::tests::MaybeVirtualFile>::read_string_at::{closure#0} 404
<pageserver::virtual_file::VirtualFile>::read_to_end 448
::read_to_end 224
::read_to_end::{closure#0} 224
<pageserver::virtual_file::tests::MaybeVirtualFile>::read_string 884
::read_string 442
::read_string::{closure#0} 442
<pageserver::virtual_file::VirtualFile>::create::<&camino::Utf8Path> 1449
::create::<&camino::Utf8Path> 40
::create::<&camino::Utf8PathBuf> 1409
<pageserver::virtual_file::VirtualFile>::create::<&camino::Utf8Path>::{closure#0} 1449
::create::<&camino::Utf8Path>::{closure#0} 40
::create::<&camino::Utf8PathBuf>::{closure#0} 1409
<core::result::Result<(), std::io::error::Error> as pageserver::virtual_file::MaybeFatalIo<()>>::fatal_err 2038
, std::io::error::Error> as pageserver::virtual_file::MaybeFatalIo>>::fatal_err 0
as pageserver::virtual_file::MaybeFatalIo>::fatal_err 0
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 1002
as pageserver::virtual_file::MaybeFatalIo<()>>::fatal_err 1012
<pageserver::virtual_file::VirtualFile>::open::<&camino::Utf8Path> 2196
::open:: 32
::open::<&camino::Utf8PathBuf> 1016
::open::<&camino::Utf8Path> 1148
<pageserver::virtual_file::VirtualFile>::open::<&camino::Utf8Path>::{closure#0} 2196
::open::::{closure#0} 32
::open::<&camino::Utf8PathBuf>::{closure#0} 1016
::open::<&camino::Utf8Path>::{closure#0} 1148
<pageserver::virtual_file::VirtualFile>::metadata 3368
::metadata 1684
::metadata::{closure#0} 1684
<pageserver::virtual_file::VirtualFile as core::ops::drop::Drop>::drop::clean_slot::{closure#0} 4276
<pageserver::virtual_file::VirtualFile as core::ops::drop::Drop>::drop 4827
<pageserver::virtual_file::VirtualFile as core::ops::drop::Drop>::drop::clean_slot 4827
<pageserver::virtual_file::VirtualFile>::sync_all 5374
::sync_all 2687
::sync_all::{closure#0} 2687
<pageserver::virtual_file::VirtualFile>::open_with_options::<&camino::Utf8Path> 5617
::open_with_options::<&camino::Utf8PathBuf> 1972
::open_with_options::<&camino::Utf8Path> 3645
<pageserver::virtual_file::VirtualFile>::open_with_options::<&camino::Utf8Path>::{closure#0} 5617
::open_with_options::<&camino::Utf8PathBuf>::{closure#0} 1972
::open_with_options::<&camino::Utf8Path>::{closure#0} 3645
<pageserver::virtual_file::VirtualFile as pageserver::virtual_file::owned_buffers_io::write::OwnedAsyncWriter>::write_all::<bytes::bytes::Bytes> 6613
::write_all:: 0
::write_all:: 3
::write_all::> 6610
<pageserver::virtual_file::VirtualFile as pageserver::virtual_file::owned_buffers_io::write::OwnedAsyncWriter>::write_all::<bytes::bytes::Bytes>::{closure#0} 6613
::write_all::::{closure#0} 0
::write_all::::{closure#0} 3
::write_all::>::{closure#0} 6610
<pageserver::virtual_file::VirtualFile as pageserver::virtual_file::owned_buffers_io::write::OwnedAsyncWriter>::write_all::<bytes::bytes::Bytes>::{closure#0}::{closure#0} 6613
::write_all::::{closure#0}::{closure#0} 0
::write_all::::{closure#0}::{closure#0} 3
::write_all::>::{closure#0}::{closure#0} 6610
<pageserver::virtual_file::VirtualFile>::seek 10172
::seek 5086
::seek::{closure#0} 5086
<pageserver::virtual_file::VirtualFile>::read_blk 20916
<pageserver::virtual_file::VirtualFile>::read_blk::{closure#0} 20916
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf_mut::IoBufMut>::set_init 61860
<pageserver::virtual_file::VirtualFile>::read_exact_at_page 61860
<pageserver::virtual_file::VirtualFile>::read_exact_at_page::{closure#0} 61860
<pageserver::virtual_file::VirtualFile>::read_exact_at_page::{closure#0}::{closure#0} 61860
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf_mut::IoBufMut>::stable_mut_ptr 92901
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf::IoBuf>::bytes_total 185580
<pageserver::virtual_file::OpenFiles>::find_victim_slot::{closure#0}::{closure#0} 186439
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf::IoBuf>::stable_ptr 247662
<pageserver::virtual_file::OpenFiles>::find_victim_slot 381932
::find_victim_slot 190966
::find_victim_slot::{closure#0} 190966
<pageserver::virtual_file::PageWriteGuardBuf as uring_common::buf::io_buf::IoBuf>::bytes_init 464283
<pageserver::virtual_file::VirtualFile>::read_exact_at::<alloc::vec::Vec<u8>>::{closure#0}::{closure#0} 496145
::read_exact_at::::{closure#0}::{closure#0} 61860
::read_exact_at::::{closure#0}::{closure#0} 212613
::read_exact_at::>::{closure#0}::{closure#0} 221672
<pageserver::virtual_file::VirtualFile>::read_exact_at::<alloc::vec::Vec<u8>> 496359
::read_exact_at:: 61860
::read_exact_at:: 212613
::read_exact_at::> 221886
<pageserver::virtual_file::VirtualFile>::read_exact_at::<alloc::vec::Vec<u8>>::{closure#0} 496359
::read_exact_at::::{closure#0} 61860
::read_exact_at::::{closure#0} 212613
::read_exact_at::>::{closure#0} 221886
<pageserver::virtual_file::VirtualFile>::read_exact_at::<alloc::vec::Vec<u8>>::{closure#0}::{closure#1} 496359
::read_exact_at::::{closure#0}::{closure#1} 61860
::read_exact_at::::{closure#0}::{closure#1} 212613
::read_exact_at::>::{closure#0}::{closure#1} 221886
pageserver::virtual_file::read_exact_at_impl::<alloc::vec::Vec<u8>, <pageserver::virtual_file::VirtualFile>::read_exact_at<alloc::vec::Vec<u8>>::{closure#0}::{closure#0}, <pageserver::virtual_file::VirtualFile>::read_at<alloc::vec::Vec<u8>>::{closure#0}> 496367
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}> 61860
pageserver::virtual_file::read_exact_at_impl::::read_exact_at::{closure#0}::{closure#0}, ::read_at::{closure#0}> 212613
pageserver::virtual_file::read_exact_at_impl::, ::read_exact_at>::{closure#0}::{closure#0}, ::read_at>::{closure#0}> 221886
pageserver::virtual_file::read_exact_at_impl::<alloc::vec::Vec<u8>, <pageserver::virtual_file::VirtualFile>::read_exact_at<alloc::vec::Vec<u8>>::{closure#0}::{closure#0}, <pageserver::virtual_file::VirtualFile>::read_at<alloc::vec::Vec<u8>>::{closure#0}>::{closure#0} 496367
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} 61860
pageserver::virtual_file::read_exact_at_impl::::read_exact_at::{closure#0}::{closure#0}, ::read_at::{closure#0}>::{closure#0} 212613
pageserver::virtual_file::read_exact_at_impl::, ::read_exact_at>::{closure#0}::{closure#0}, ::read_at>::{closure#0}>::{closure#0} 221886
<pageserver::virtual_file::VirtualFile>::read_at::<alloc::vec::Vec<u8>> 496589
::read_at:: 61860
::read_at:: 212613
::read_at::> 222116
<pageserver::virtual_file::VirtualFile>::read_at::<alloc::vec::Vec<u8>>::{closure#0} 496589
::read_at::::{closure#0} 61860
::read_at::::{closure#0} 212613
::read_at::>::{closure#0} 222116
<pageserver::virtual_file::FileGuard as uring_common::io_fd::IoFd>::as_fd 813815
<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>> 813925
::with_std_file::<::metadata::{closure#0}::{closure#0}, core::result::Result> 842
::with_std_file::<::sync_all::{closure#0}::{closure#0}, core::result::Result<(), std::io::error::Error>> 1342
::with_std_file::<::write_at>::{closure#0}::{closure#0}, core::result::Result> 3305
::with_std_file::<::write_at>::{closure#0}::{closure#0}, core::result::Result> 8649
::with_std_file::<::read_at::{closure#0}::{closure#0}, core::result::Result> 31041
::with_std_file::<::read_at::{closure#0}::{closure#0}, core::result::Result> 106247
::with_std_file::<::read_at>::{closure#0}::{closure#0}, core::result::Result> 111058
::with_std_file::<::write_at::{closure#0}::{closure#0}, core::result::Result> 273169
::with_std_file::<::write_at::{closure#0}::{closure#0}, core::result::Result> 278272
<pageserver::virtual_file::VirtualFile>::write::<alloc::vec::Vec<u8>> 1126776
::write::> 6610
::write::> 17294
::write:: 546341
::write:: 556531
<pageserver::virtual_file::VirtualFile>::write::<alloc::vec::Vec<u8>>::{closure#0} 1126776
::write::>::{closure#0} 6610
::write::>::{closure#0} 17294
::write::::{closure#0} 546341
::write::::{closure#0} 556531
<pageserver::virtual_file::VirtualFile>::write_at::<alloc::vec::Vec<u8>> 1126780
::write_at::> 6610
::write_at::> 17298
::write_at:: 546341
::write_at:: 556531
<pageserver::virtual_file::VirtualFile>::write_at::<alloc::vec::Vec<u8>>::{closure#0} 1126780
::write_at::>::{closure#0} 6610
::write_at::>::{closure#0} 17298
::write_at::::{closure#0} 546341
::write_at::::{closure#0} 556531
<pageserver::virtual_file::VirtualFile>::write_at_inner::<alloc::vec::Vec<u8>> 1126780
::write_at_inner::> 6610
::write_at_inner::> 17298
::write_at_inner:: 546341
::write_at_inner:: 556531
<pageserver::virtual_file::VirtualFile>::write_at_inner::<alloc::vec::Vec<u8>>::{closure#0} 1126780
::write_at_inner::>::{closure#0} 6610
::write_at_inner::>::{closure#0} 17298
::write_at_inner::::{closure#0} 546341
::write_at_inner::::{closure#0} 556531
<core::result::Result<(), std::io::error::Error> as pageserver::virtual_file::MaybeFatalIo<()>>::maybe_fatal_err 1126802
as pageserver::virtual_file::MaybeFatalIo<()>>::maybe_fatal_err 22
as pageserver::virtual_file::MaybeFatalIo>::maybe_fatal_err 1126780
<pageserver::virtual_file::VirtualFile>::write_all::<alloc::vec::Vec<u8>> 1126814
::write_all::> 6610
::write_all::> 17332
::write_all:: 546341
::write_all:: 556531
<pageserver::virtual_file::VirtualFile>::write_all::<alloc::vec::Vec<u8>>::{closure#0} 1126814
::write_all::>::{closure#0} 6610
::write_all::>::{closure#0} 17332
::write_all::::{closure#0} 546341
::write_all::::{closure#0} 556531
<pageserver::virtual_file::VirtualFile>::write_all::<alloc::vec::Vec<u8>>::{closure#0}::{closure#0} 1126814
::write_all::>::{closure#0}::{closure#0} 6610
::write_all::>::{closure#0}::{closure#0} 17332
::write_all::::{closure#0}::{closure#0} 546341
::write_all::::{closure#0}::{closure#0} 556531
<pageserver::virtual_file::FileGuard as core::convert::AsRef<std::os::fd::owned::OwnedFd>>::as_ref 1627744
pageserver::virtual_file::get_open_files 1638188
<pageserver::virtual_file::VirtualFile>::lock_file 3255488
::lock_file 1627744
::lock_file::{closure#0} 1627744

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