function::returnstr - Formats the return value as a string
returnstr:string(format:long)
format
Variable to determine return type base value
This function is used by the nd_syscall tapset, and returns a string. Set format equal to 1 for a decimal, 2 for hex, 3 for octal.
Note that this function should only be used in dwarfless probes (i.e. 'kprobe.function(“foo”)'). Other probes should use return_str.
tapset::errno(3stap)