Hardware Breakpoint implementation in BCC Manali Shukla Aanandita Dhawan Maneesh Soni October 28, 2020 Hardware breakpoint Memory Used in debuggers Elegant mechanism to monitor memory access Perf hardware breakpoint implementation: mem:[:access] [Hardware breakpoint] Example: perf stat -e mem:0xffffffffbb65f478:rw 01 https://www

Being Friendly to Your Hardware Performance Engineering A gentle introduction to hardware for software engineers 2Where does C++ run? 3On an abstract C++ machine 4On an abstract C++ machine? specialty instructions, on-core and off- core accelerators • Data layout: both software and hardware characteristics 84 src dst • Alignment: source and destination • Size • Direction • LinearityExample

to all digitalization scenarios. This ecosystem empowers enterprises to develop their software, hardware, and application ecosystems. Development Roadmap 2021.12 1+ million openEuler-based installations complete offloading of the container management plane such as kubelet and dockerd, as well as the virtualization management plane libvirtd. It eliminates the need of splitting over 10,000 lines of code, thereby network FS File sharing Virtualization Container Compared to native NFS, eNFS boasts three key innovations. • It enables second-level failover in the event of software or hardware faults on I/O paths. It

2004-2010 Oracle Corporation http://www.virtualbox.org Contents 1 First steps 9 1.1 Why is virtualization useful? . . . . . . . . . . . . . . . . . . . . . . . . 10 1.2 Some terminology . . . . . . 3.1.2 64-bit guests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 3.2 Emulated hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 3.3 General settings . . . . . . . . . . 77 4.5 Hardware-accelerated video . . . . . . . . . . . . . . . . . . . . . . . . . 78 4.5.1 Hardware 3D acceleration (OpenGL and Direct3D 8/9) . . . . . 78 4.5.2 Hardware 2D video acceleration

2004-2011 Oracle Corporation http://www.virtualbox.org Contents 1 First steps 9 1.1 Why is virtualization useful? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.2 Some terminology . 64-bit guests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 3.2 Emulated hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 3.3 General settings . 64 4.4 Hardware-accelerated graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 4.4.1 Hardware 3D acceleration (OpenGL and Direct3D 8/9) . . . . . . . . . 64 4.4.2 Hardware 2D video acceleration

2004-2011 Oracle Corporation http://www.virtualbox.org Contents 1 First steps 9 1.1 Why is virtualization useful? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.2 Some terminology . 64-bit guests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 3.2 Emulated hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 3.3 General settings . 64 4.4 Hardware-accelerated graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 4.4.1 Hardware 3D acceleration (OpenGL and Direct3D 8/9) . . . . . . . . . 64 4.4.2 Hardware 2D video acceleration

2004-2010 Oracle Corporation http://www.virtualbox.org Contents 1 First steps 9 1.1 Why is virtualization useful? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.2 Some terminology . 64-bit guests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 3.2 Emulated hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 3.3 General settings . 65 4.4 Hardware-accelerated graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 4.4.1 Hardware 3D acceleration (OpenGL and Direct3D 8/9) . . . . . . . . . 65 4.4.2 Hardware 2D video acceleration

2004-2010 Oracle Corporation http://www.virtualbox.org Contents 1 First steps 9 1.1 Why is virtualization useful? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.2 Some terminology . 64-bit guests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 3.2 Emulated hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 3.3 General settings . 63 4.4 Hardware-accelerated graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 4.4.1 Hardware 3D acceleration (OpenGL and Direct3D 8/9) . . . . . . . . . 63 4.4.2 Hardware 2D video acceleration

2004-2012 Oracle Corporation http://www.virtualbox.org Contents 1 First steps 10 1.1 Why is virtualization useful? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.2 Some terminology . 64-bit guests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 3.2 Emulated hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 3.3 General settings . 67 4.4 Hardware-accelerated graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 4.4.1 Hardware 3D acceleration (OpenGL and Direct3D 8/9) . . . . . . . . . 67 4.4.2 Hardware 2D video acceleration

2004-2011 Oracle Corporation http://www.virtualbox.org Contents 1 First steps 9 1.1 Why is virtualization useful? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.2 Some terminology . 64-bit guests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 3.2 Emulated hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 3.3 General settings . 65 4.4 Hardware-accelerated graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 4.4.1 Hardware 3D acceleration (OpenGL and Direct3D 8/9) . . . . . . . . . 65 4.4.2 Hardware 2D video acceleration