-void Process::reset_soft_dirty()
-{
- if (this->clear_refs_fd_ < 0) {
- this->clear_refs_fd_ = open_process_file(pid_, "clear_refs", O_WRONLY|O_CLOEXEC);
- if (this->clear_refs_fd_ < 0)
- xbt_die("Could not open clear_refs file for soft-dirty tracking. Run as root?");
- }
- if(::write(this->clear_refs_fd_, "4\n", 2) != 2)
- xbt_die("Could not reset softdirty bits");
-}
-
-void Process::read_pagemap(uint64_t* pagemap, size_t page_start, size_t page_count)
-{
- if (pagemap_fd_ < 0) {
- pagemap_fd_ = open_process_file(pid_, "pagemap", O_RDONLY|O_CLOEXEC);
- if (pagemap_fd_ < 0)
- xbt_die("Could not open pagemap file for soft-dirty tracking. Run as root?");
- }
- ssize_t bytesize = sizeof(uint64_t) * page_count;
- off_t offset = sizeof(uint64_t) * page_start;
- if (pread_whole(pagemap_fd_, pagemap, bytesize, offset) != bytesize)
- xbt_die("Could not read pagemap");
-}
-