How and When You Should Measure CPU Overhead of eBPF Programs Bryce Kahle, Datadog October 28, 2020 Why should I profile eBPF programs? CI variance tracking Tools kernel.bpf_stats_enabled kernel

viewer The left toolbar contains the following commands: 90 Use the select tool Interactively measure between two points Display grid dots or lines Switch between polar and cartesian coordinate systems decade sweep of stimulus frequency. To run an AC analysis you must choose a number of points to measure per decade and the start and end frequencies for the decade sweep. The output is displayed as a pop-up menu offering the following measurements: Measure Min Measure Max Measure RMS Measure Peak-to-peak Measure Time-of-min Measure Time-of-max Measure Integral Measurement results are displayed in

3D viewer The left toolbar contains the following commands: Use the select tool Interactively measure between two points Display grid dots or lines Switch between polar and cartesian coordinate systems decade sweep of stimulus frequency. To run an AC analysis you must choose a number of points to measure per decade and the start and end frequencies for the decade sweep. The output is displayed as a pop-up menu offering the following measurements: Measure Min Measure Max Measure RMS Measure Peak-to-peak Measure Time-of-min Measure Time-of-max Measure Integral Measurement results are displayed in

decade sweep of stimulus frequency. To run an AC analysis you must choose a number of points to measure per decade and the start and end frequencies for the decade sweep. The output is displayed as a menu offering the following measurements: Measure Min Measure Max Measure RMS Measure Peak-to-peak 150 Measure Time-of-min Measure Time-of-max Measure Integral Measurement results are displayed display as multiple rows in this area. Measure Min measures the minimum value of the entire signal, Measure Max measures the minimum value of the entire signal, Measure RMS measures the root-mean-square value

materialization ▪ Use appropriate data structures ▪ Leverage serialization techniques ▪ Measure, measure, measure 31 (C) Dos Reis & DaCamara; CppCon 2021A short story of MSVC modules performance #include having an option to validate the IFC integrity 45 (C) Dos Reis & DaCamara; CppCon 2021Measure, measure, measure ▪ The mantra of any software engineer ▪ The final throughput gain was had by finding

demonstrate interim capabilities to users and stakeholders monthly. These frequent iterations effectively measure progress, reduce technical and programmatic risk, and respond to feedback and changes more quickly This enables the team to plan the amount of work to accomplish in the next sprint and continually measure its performance. Teams use burn down charts (Figure 3) to track progress during a sprint. to compare the size of one story to another, thus ultimately enabling programs to comparatively measure the size of the entire pool of requirements. Some common scoring systems that teams may use to assign

SUCCESS LEADS TO OPERATIONAL SUCCESS In publishing its latest report, DORA has done more than simply measure the impact of DevOps practices. It has identified four key performance indicators that correlate the average time from check-in to production release. Businesses that perform best against this measure report average lead times of less than a day. Businesses that are not performing well reported an GitOps Boosts Business Performance: The Facts 4 4. Change failure rate This can be seen as a measure of quality in the release process. The best performers in the DORA study reported a change failure

Commitment Teams need to commit to continued investment in maintaining software quality and continuously measure their RoI by tracking developer productivity. Education Engineers need to understand their product promote continuous improvements. Continuously measure developer experience and productivity.67 Aurora Innovation Proving business value Continuously: Measure developer experience and productivity. Monitor for low maintenance cost. Single use-case test frameworks have the same cost as production code. Measure test coverage in terms of veri�ed business requirements.70 Aurora Innovation Learning when to run

, uint32_t> q2 = x; //==> milli(meters)(3'000) 5 API passing: // Legacy interfaces: MyMeters measure_length(const Object& o); void evaluate(const MyMeters& m); 42.5Cross-library interop <=> Initialization: 5 API passing: // Legacy interfaces: MyMeters measure_length(const Object& o); void evaluate(const MyMeters& m); // Client code: MyMeters m = measure_length(my_object); evaluate(m); 42.6Cross-library refactoring: Quantity measure_length(const Object& o); void evaluate(const Quantity& m); // Client code: MyMeters m = measure_length(my_object); evaluate(m); 42.7nholthaus

be theorems that cannot be proven within the system. Adrian Colyer blog.acolyer.org/2020/02/03/measure-mismeasure-fairness/All consistent axiomatic formulations of number theory include undecidable printf("%s\n%zu\n", s, strlen(s)); }One premise of many models of fairness in machine learning is that you can measure (‘prove’) fairness of a machine learning model from within the system – i.e. from properties of fair, you need information from outside of the system. Adrian Colyer blog.acolyer.org/2020/02/03/measure-mismeasure-fairness/99 second hand smartphones are transported in a handcart to generate virtual