Continued Notes on Profiling

• callgrind (part of valgrind) in fact does profiling
  • https://web.stanford.edu/class/archive/cs/cs107/cs107.1174/guide_callgrind.html
• what is a call graph?
  • https://en.wikipedia.org/wiki/Call_graph
• when running as gluex@sandd1 and launching profile_cron.sh on ifarm1901 via ssh via the command line, lots of binary output comes back to stdout/err

• callgrind (part of valgrind) in fact does profiling
  • https://web.stanford.edu/class/archive/cs/cs107/cs107.1174/guide_callgrind.html
• what is a call graph?
  • https://en.wikipedia.org/wiki/Call_graph
• when running as gluex@sandd1 and launching profile_cron.sh on ifarm1901 via ssh via the command line, lots of binary output comes back to stdout/err
• when doing the same as a cron job, nothing every comes back (no email)
• profile_cron.sh runs fine as gluex on ifarm1901 interactively