lr_cstats is a set of libraries to collect and report high resolution histograms in multi-threaded programs. At the moment it comes in the following v

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2021-06-23 13:00:11

lr_cstats is a set of libraries to collect and report high resolution histograms in multi-threaded programs. At the moment it comes in the following variants:

Example: N=5 frac_bits=2 creates the following buckets: 0 1 2 3 4 5 6 7 8-9 10-11 12-13 14-15 16-19 20-23 24-27 28-31 and values 32 and above go in the overflow bucket.

kstats also provides a way to dynamically attach to a kernel function and record samples of the execution time of that function:

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