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authorBruce Ashfield <bruce.ashfield@windriver.com>2010-08-05 16:38:23 -0400
committerRichard Purdie <rpurdie@linux.intel.com>2010-08-09 17:20:36 +0100
commita924ea57ffd876dabc76d7bfb424b634c022063f (patch)
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perf: performance analysis tools for Linux
Performance counters for Linux are a new kernel-based subsystem that provide a framework for all things performance analysis. It covers hardware level (CPU/PMU, Performance Monitoring Unit) features and software features (software counters, tracepoints) as well. To enforce the coupling between userspace and kernel, this commit introduces perf as a subpackage of the linux-wrs tree. perf is built directly inside the kernel tree (and hence picks up all appropriate patches), but is packaged as a separate utility that can be added to the rootfs and used to analyze the kernel. Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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