Joe Damato questions

Joe Damato answers

• How to tune the polling period of NAPI?
• UDP packet drops by linux kernel
• Capture vDSO in strace
• strace -f strace /bin/ls failed with PTRACE_TRACEME EPERM (Operation not permitted)
• UDP Packet drop - INErrors Vs .RcvbufErrors
• How does strace work?
• Why is memory allocation for processes slow and can it be faster?
• apt-get install quiet and --assume-yes but checking if package is signed
• SoftIRQs and Fast Packet Processing on Linux network
• How can we generate MCE(machine check errors)