the program to collect data about the program's runtime and generate a profiling file. 2. When compiling the program, enable the PGO option, and the compiler will optimize the program's performance based on the content in the .pgo file.
PGO). 2. Collect profiles from production. 3. When it’s time to release an updated binary, build from the latest source and provide the production profile. 4. GOTO 2
application. • Fetch /debug/pprof/profile?seconds=30 from an arbitrary instance of your service. • Continuous profiling automatically, which could then be used as a source of profiles for PGO.
filename default.pgo in the main package directory of the profiled binary. • Committing profiles directly in the source repository is recommended. • Before Go 1.21, the default is -pgo=off. PGO must be explicitly enabled. • You may directly pass a path to the profile to use.