2.4. perf

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The perf tool uses hardware performance counters and kernel tracepoints to track the impact of other commands and applications on your system. Various perf subcommands display and record statistics for common performance events, and analyze and report on the data recorded.
For detailed information about perf and its subcommands, see Section A.6, “perf”.
Alternatively, more information is available in the Red Hat Enterprise Linux 7 Developer Guide.
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