Lines         Copies      Function name
  -----         ------      -------------
  18174 (100%)  758 (100%)  (TOTAL)
    626 (3.4%)    2 (0.3%)  core::str::pattern::TwoWaySearcher::next
    625 (3.4%)   12 (1.6%)  <core::result::Result<T,E> as core::ops::try_trait::Try>::branch
    537 (3.0%)    9 (1.2%)  alloc::alloc::box_free
    477 (2.6%)   11 (1.5%)  <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
    426 (2.3%)    1 (0.1%)  std::thread::Builder::spawn_unchecked_
    326 (1.8%)    1 (0.1%)  jobserver::imp::spawn_helper
    320 (1.8%)    1 (0.1%)  jobserver::imp::Client::acquire_allow_interrupts
    306 (1.7%)    6 (0.8%)  core::mem::replace
    275 (1.5%)    5 (0.7%)  <alloc::sync::Weak<T> as core::ops::drop::Drop>::drop
    246 (1.4%)    5 (0.7%)  core::option::Option<T>::map
    241 (1.3%)    1 (0.1%)  core::char::methods::encode_utf8_raw
    233 (1.3%)    1 (0.1%)  jobserver::imp::Client::mk
    229 (1.3%)    1 (0.1%)  jobserver::imp::Client::new
    226 (1.2%)    1 (0.1%)  <core::str::pattern::CharSearcher as core::str::pattern::Searcher>::next_match
    211 (1.2%)    1 (0.1%)  <core::str::pattern::StrSearcher as core::str::pattern::Searcher>::next
    210 (1.2%)    5 (0.7%)  alloc::sync::Weak<T>::inner
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    196 (1.1%)    2 (0.3%)  std::thread::Builder::spawn_unchecked_::{{closure}}
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    186 (1.0%)    1 (0.1%)  core::sync::atomic::atomic_compare_exchange
    186 (1.0%)    1 (0.1%)  std::io::Write::write_all
    183 (1.0%)    3 (0.4%)  core::result::Result<T,E>::unwrap_or_else
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    162 (0.9%)    1 (0.1%)  <std::sync::mutex::Mutex<T> as core::fmt::Debug>::fmt
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    139 (0.8%)    9 (1.2%)  core::mem::maybe_uninit::MaybeUninit<T>::assume_init
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     66 (0.4%)    1 (0.1%)  std::panicking::try
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     56 (0.3%)   14 (1.8%)  <&T as core::fmt::Debug>::fmt
     56 (0.3%)    2 (0.3%)  alloc::boxed::Box<T>::new
     56 (0.3%)    1 (0.1%)  <core::option::Option<T> as core::cmp::PartialEq>::eq
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     54 (0.3%)    1 (0.1%)  alloc::sync::Arc<T>::is_unique
     52 (0.3%)    2 (0.3%)  <core::option::Option<T> as core::ops::try_trait::Try>::branch
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     51 (0.3%)    1 (0.1%)  core::alloc::layout::Layout::array
     50 (0.3%)    1 (0.1%)  <core::option::Option<T> as core::fmt::Debug>::fmt
     50 (0.3%)    1 (0.1%)  core::fmt::Arguments::new_v1
     49 (0.3%)    1 (0.1%)  <T as alloc::slice::hack::ConvertVec>::to_vec
     49 (0.3%)    1 (0.1%)  <jobserver::Acquired as core::fmt::Debug>::fmt
     49 (0.3%)    1 (0.1%)  <jobserver::HelperInner as core::fmt::Debug>::fmt
     48 (0.3%)    1 (0.1%)  jobserver::HelperThread::request_token
     47 (0.3%)    1 (0.1%)  core::option::Option<T>::unwrap_unchecked
     47 (0.3%)    1 (0.1%)  core::result::Result<T,E>::expect
     45 (0.2%)    5 (0.7%)  core::mem::align_of_val_raw
     45 (0.2%)    5 (0.7%)  core::mem::size_of_val_raw
     45 (0.2%)    2 (0.3%)  core::mem::zeroed
     45 (0.2%)    1 (0.1%)  <core::ops::range::Range<T> as core::iter::range::RangeIteratorImpl>::spec_next_back
     44 (0.2%)    1 (0.1%)  core::ptr::drop_in_place<jobserver::imp::spawn_helper::{{closure}}>
     44 (0.2%)    1 (0.1%)  core::ptr::drop_in_place<std::thread::JoinInner<()>>
     44 (0.2%)    1 (0.1%)  jobserver::imp::Client::from_fds
     43 (0.2%)    1 (0.1%)  core::ptr::drop_in_place<alloc::boxed::Box<dyn core::any::Any+core::marker::Send>>
     43 (0.2%)    1 (0.1%)  core::ptr::drop_in_place<alloc::boxed::Box<dyn core::ops::function::FnMut<(core::result::Result<jobserver::Acquired,std::io::error::Error>,)>+Output = ()+core::marker::Send>>
     43 (0.2%)    1 (0.1%)  core::ptr::drop_in_place<alloc::boxed::Box<dyn std::error::Error+core::marker::Send+core::marker::Sync>>
     42 (0.2%)    1 (0.1%)  <char as core::str::pattern::Pattern>::into_searcher
     41 (0.2%)    1 (0.1%)  core::str::<impl str>::find
     41 (0.2%)    1 (0.1%)  std::process::Command::env
     40 (0.2%)    6 (0.8%)  core::ptr::write
     40 (0.2%)    1 (0.1%)  <core::slice::iter::Iter<T> as core::iter::traits::iterator::Iterator>::next
     40 (0.2%)    1 (0.1%)  core::str::<impl str>::is_char_boundary
     40 (0.2%)    1 (0.1%)  core::str::traits::<impl core::slice::index::SliceIndex<str> for core::ops::range::RangeFrom<usize>>::index
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     39 (0.2%)    5 (0.7%)  core::mem::manually_drop::ManuallyDrop<T>::new
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     39 (0.2%)    1 (0.1%)  <jobserver::imp::Client as core::fmt::Debug>::fmt
     39 (0.2%)    1 (0.1%)  <jobserver::imp::Helper as core::fmt::Debug>::fmt
     39 (0.2%)    1 (0.1%)  core::slice::iter::Iter<T>::new
     38 (0.2%)    6 (0.8%)  core::ptr::non_null::NonNull<T>::cast
     38 (0.2%)    1 (0.1%)  <jobserver::Acquired as core::ops::drop::Drop>::drop
     38 (0.2%)    1 (0.1%)  <std::thread::Packet<T> as core::ops::drop::Drop>::drop
     38 (0.2%)    1 (0.1%)  core::slice::iter::Iter<T>::post_inc_start
     38 (0.2%)    1 (0.1%)  std::io::error::Error::kind
     37 (0.2%)    1 (0.1%)  jobserver::HelperState::producer_done
     36 (0.2%)    1 (0.1%)  core::slice::memchr::memchr
     35 (0.2%)    1 (0.1%)  <core::ops::range::Range<usize> as core::slice::index::SliceIndex<[T]>>::get
     35 (0.2%)    1 (0.1%)  <std::process::Command as std::os::unix::process::CommandExt>::pre_exec
     35 (0.2%)    1 (0.1%)  alloc::raw_vec::RawVec<T,A>::new_in
     34 (0.2%)    6 (0.8%)  <T as core::convert::Into<U>>::into
     34 (0.2%)    3 (0.4%)  std::sync::poison::PoisonError<T>::new
     34 (0.2%)    1 (0.1%)  core::num::<impl usize>::overflowing_mul
     34 (0.2%)    1 (0.1%)  std::io::error::Error::raw_os_error
     33 (0.2%)    3 (0.4%)  core::ops::function::FnOnce::call_once{{vtable.shim}}
     33 (0.2%)    1 (0.1%)  <std::os::fd::owned::OwnedFd as std::os::fd::raw::FromRawFd>::from_raw_fd
     33 (0.2%)    1 (0.1%)  core::str::iter::SplitNInternal<P>::next
     33 (0.2%)    1 (0.1%)  jobserver::imp::cvt
     33 (0.2%)    1 (0.1%)  std::sys_common::backtrace::__rust_begin_short_backtrace
     32 (0.2%)    1 (0.1%)  core::num::<impl usize>::checked_mul
     32 (0.2%)    1 (0.1%)  core::str::<impl str>::splitn
     32 (0.2%)    1 (0.1%)  std::env::var
     31 (0.2%)    1 (0.1%)  core::option::Option<T>::unwrap_or
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     31 (0.2%)    1 (0.1%)  core::ptr::metadata::from_raw_parts
     31 (0.2%)    1 (0.1%)  core::ptr::metadata::from_raw_parts_mut
     30 (0.2%)   10 (1.3%)  core::ptr::unique::Unique<T>::as_ptr
     30 (0.2%)    9 (1.2%)  core::mem::maybe_uninit::MaybeUninit<T>::uninit
     30 (0.2%)    2 (0.3%)  alloc::boxed::Box<T,A>::leak
     30 (0.2%)    2 (0.3%)  std::thread::Builder::spawn_unchecked_<[closure@src/unix.rs:239:39: 254:6], 
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      1 (0.0%)    1 (0.1%)  core::ptr::drop_in_place<&bool>
      1 (0.0%)    1 (0.1%)  core::ptr::drop_in_place<&core::option::Option<jobserver::imp::Helper>>
      1 (0.0%)    1 (0.1%)  core::ptr::drop_in_place<&i32>
      1 (0.0%)    1 (0.1%)  core::ptr::drop_in_place<&jobserver::HelperInner>
      1 (0.0%)    1 (0.1%)  core::ptr::drop_in_place<&jobserver::imp::Acquired>
      1 (0.0%)    1 (0.1%)  core::ptr::drop_in_place<&jobserver::imp::Helper>
      1 (0.0%)    1 (0.1%)  core::ptr::drop_in_place<&std::fs::File>
      1 (0.0%)    1 (0.1%)  core::ptr::drop_in_place<&std::sync::condvar::Condvar>
      1 (0.0%)    1 (0.1%)  core::ptr::drop_in_place<&std::sync::mutex::Mutex<jobserver::HelperInner>>
      1 (0.0%)    1 (0.1%)  core::ptr::drop_in_place<&std::thread::JoinHandle<()>>
      1 (0.0%)    1 (0.1%)  core::ptr::drop_in_place<&u8>
      1 (0.0%)    1 (0.1%)  core::ptr::drop_in_place<&usize>
      1 (0.0%)    1 (0.1%)  core::ptr::drop_in_place<<std::sync::mutex::Mutex<T> as core::fmt::Debug>::fmt::LockedPlaceholder>
      1 (0.0%)    1 (0.1%)  core::ptr::drop_in_place<bool>
      1 (0.0%)    1 (0.1%)  core::ptr::drop_in_place<jobserver::imp::Client::configure::{{closure}}>
      1 (0.0%)    1 (0.1%)  core::ptr::drop_in_place<std::sync::once::Once::call_once<jobserver::imp::spawn_helper::{{closure}}>::{{closure}}>
      1 (0.0%)    1 (0.1%)  core::ptr::null
      1 (0.0%)    1 (0.1%)  core::slice::raw::debug_check_data_len
      1 (0.0%)    1 (0.1%)  core::str::<impl str>::find::{{closure}}
      1 (0.0%)    1 (0.1%)  jobserver::imp::sigusr1_handler
      1 (0.0%)    1 (0.1%)  std::sync::poison::PoisonError<T>::get_ref