Hi - > WARNING: nginx pid 3525 target 3525 > ERROR: read fault [man error::fault] at 0x561c9d23e380 near operator > '@var' at samples/openresty.stp:18:17 > WARNING: Number of errors: 1, skipped probes: 0 > WARNING: /usr/bin/staprun exited with status: 1 > Pass 5: run completed in 0usr/70sys/569real ms. > Pass 5: run failed. [man error::pass5] > Tip: /usr/share/doc/systemtap/README.Debian should help you get > started. > > However, not all global var access will fail, if I build luajit from > source code, and get a global var named globalL, it will success.
Please raise this with the openresty folks instead of debian. A robust stap script must be prepared for intermittent access errors of @var() type expressions, via constructs such as try/catch. - FChE