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The goal of the project is now to develop a user library called libpfm4 to help setup performance events for use with the perf_events Linuxkernel interface. The development of the perfmon kernel subsystem, libpfm and pfmon has now stopped.
OProfile is a low-overhead, transparent profiler for Linux, capable of instruction-grain profiling of all processes, shared libraries, the kernel and device drivers, via the hardware performance counters.
Function call tracing in the Linuxkernel and userspace applications. Dynamically sets probes (using VProbes, a KProbes variant) and displays the function call trace of a process calling kernel or application functions. The superior of strace and ltrace.
Kernel Analyzer is tool for Linux that monitor task preemptions and interruptions in the LinuxKernel.
Basically it is a Kernel Patch, that comes also with a user proc interface, a KDB interface, and a Java GUI to display charts.
Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.
Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.