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Performance profiler (sampled or instrumented) and analyzer, focused on game development. Proprietary Systemtap: Linux Programmable system tracing/probing tool; may be scripted to generate time- or performance-counter- or function-based profiles of the kernel and/or its userspace. Open source Valgrind: Linux, macOS, Solaris, Android
This tool supports a large number of code metrics, allows for visualization of dependencies using directed graphs and dependency matrix. PHP, Perl and Python. Devel::NYTProf : a Perl performance analyser and call chart generator; phpCallGraph : a call graph generator for PHP programs that uses Graphviz. It is written in PHP and requires at ...
This can cause performance counter events to be attributed to the wrong instructions, making precise performance analysis difficult or impossible. AMD introduced methods to mitigate some of these drawbacks. For example, the Opteron processors have implemented [4] in 2007 a technique known as Instruction Based Sampling (or IBS). AMD's ...
The documentation of perf is not very detailed (as of 2014); for example, it does not document most events or explain their aliases (often external tools are used to get names and codes of events [15]). [16] Perf tools also cannot profile based on true wall-clock time., [16] something that has been addressed by the addition of off-CPU profiling.
In computer science, Performance Application Programming Interface (PAPI) is a portable interface (in the form of a library) to hardware performance counters on modern microprocessors. It is being widely used to collect low level performance metrics (e.g. instruction counts, clock cycles , cache misses ) of computer systems running UNIX / Linux ...
Pandas (styled as pandas) is a software library written for the Python programming language for data manipulation and analysis.In particular, it offers data structures and operations for manipulating numerical tables and time series.
Performance Monitor can display information as a graph, bar chart, or list of numeric values, and can update information using a range of time intervals. The categories of information that can be monitored depend on which networking services are installed, but always include file system , kernel , and memory manager .
In computer architecture, cycles per instruction (aka clock cycles per instruction, clocks per instruction, or CPI) is one aspect of a processor's performance: the average number of clock cycles per instruction for a program or program fragment. [1] It is the multiplicative inverse of instructions per cycle.