55     pub fn new_init(start: usize, len: usize, phys_addr: PhysAddr) -> Self {  in new_init()
56         Self::init(start as _, len, phys_addr)  in new_init()
100         let sample_size = PerfSample::calculate_size(data.len());  in write_event()
160         let data_len = data.len();  in write_any()
180                     size: size_of::<SampleHeader>() as u16 + data.len() as u16,  in write_sample()
182                 size: data.len() as u32,  in write_sample()
233     pub fn do_mmap(&self, _start: usize, len: usize, offset: usize) -> Result<()> {  in do_mmap()
237             unsafe { LockedFrameAllocator.allocate(PageFrameCount::new(len / PAGE_SIZE)) }  in do_mmap()
250         let mmap_page = RingPage::new_init(virt_addr.data(), len, phy_addr);  in do_mmap()
268         let len = data.mmap_page.size;  in drop()  localVariable
269         let page_count = PageFrameCount::new(len / PAGE_SIZE);  in drop()
279     fn mmap(&self, start: usize, len: usize, offset: usize) -> Result<()> {  in mmap()
280         self.do_mmap(start, len, offset)  in mmap()