7 terms
htop is an interactive, color terminal process viewer for Linux that shows per-core CPU, memory, load and every process in a scrollable, sortable list.
iostat is a Linux monitoring tool from the sysstat package that reports CPU usage and per-device disk I/O rates, latency, queue depth and utilization.
lsof is the Linux monitoring command that lists open files per process, including regular files, directories, pipes, devices and network sockets.
Pressure stall information (PSI) is a Linux kernel metric showing how much time tasks lose waiting for CPU, memory or I/O resources.
strace is a Linux diagnostic tool that traces the system calls and signals of a process, showing how a program interacts with the kernel.
top is the interactive Linux monitoring command that shows a live, sorted view of processes, CPU load, memory use and system load averages.
vmstat is a Linux monitoring command that reports virtual memory, processes, swapping, block I/O, interrupts and CPU activity at fixed intervals.