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The criticism of Linux focuses on issues concerning use of operating systems which use the Linux kernel. While the Linux-based Android operating system dominates the smartphone market in many countries, [ 1 ] [ 2 ] and Linux is used on the New York Stock Exchange and most supercomputers , [ 3 ] it is used in few desktop and laptop computers. [ 4 ]
Test suite that automatically detects and diagnoses software defects and performance problems. Proprietary DTrace by Sun Microsystems: Solaris, Linux, BSD, macOS Comprehensive dynamic tracing framework for troubleshooting kernel and application problems on production systems in real time. Free/open source dynamoRIO by RIO Linux, Windows
The Linux kernel received a patch for CFS in November 2010 for the 2.6.38 kernel that has made the scheduler "fairer" for use on desktops and workstations. Developed by Mike Galbraith using ideas suggested by Linus Torvalds, the patch implements a feature called auto-grouping that significantly boosts interactive desktop performance. [6]
perf (sometimes called perf_events [1] or perf tools, originally Performance Counters for Linux, PCL) [2] is a performance analyzing tool in Linux, ...
The following is an implementation of the Linux kernel final initialization in kernel_init(): [13] static int __ref kernel_init (void * unused) {...
Phoronix is a technology website that offers information on the development of the Linux kernel, product reviews, interviews, and news regarding free and open-source software by monitoring the Linux kernel mailing list or interviews. Phoronix was started in June 2004 by Michael Larabel, who currently serves as the owner and editor-in-chief.
It is a multi-purpose benchmark that features tests for CPU, memory, I/O, and database performance testing. [3] It is a basic command line utility that offers a direct way to benchmark computer hardware. It now comes packaged in most major Linux distribution repositories such as Debian, Ubuntu, CentOS and Arch Linux. [4]
See the main article at Performance engineering. Performance engineering is the discipline encompassing roles, skills, activities, practices, tools, and deliverables used to meet the non-functional requirements of a designed system, such as increase business revenue, reduction of system failure, delayed projects, and avoidance of unnecessary usage of resources or work.