1*4d495c6eSApple OSS Distributions#!/usr/local/bin/recon 2*4d495c6eSApple OSS Distributions 3*4d495c6eSApple OSS Distributionslocal ktrace = require 'ktrace' 4*4d495c6eSApple OSS Distributions 5*4d495c6eSApple OSS Distributionsif not arg[1] or arg[1] == '-h' then 6*4d495c6eSApple OSS Distributions print[[ 7*4d495c6eSApple OSS Distributionsusage: ktruss <syscall-name> [<more-names> ...] 8*4d495c6eSApple OSS Distributions 9*4d495c6eSApple OSS DistributionsUse Kernel TRace to print User Space Syscalls (ktruss).]] 10*4d495c6eSApple OSS Distributions os.exit(arg[1] == nil) 11*4d495c6eSApple OSS Distributionsend 12*4d495c6eSApple OSS Distributions 13*4d495c6eSApple OSS Distributionslocal sess = ktrace.Session.new() 14*4d495c6eSApple OSS Distributions 15*4d495c6eSApple OSS Distributionsfor i = 1, #arg do 16*4d495c6eSApple OSS Distributions sess:add_callback_pair('BSC_' .. arg[i], function (start, finish) 17*4d495c6eSApple OSS Distributions print(('%s[%d]: %s(0x%x, 0x%x, 0x%x, 0x%x) -> %d'):format( 18*4d495c6eSApple OSS Distributions sess:procname_for_threadid(start.threadid), 19*4d495c6eSApple OSS Distributions sess:pid_for_threadid(start.threadid), arg[1], start[1], start[2], 20*4d495c6eSApple OSS Distributions start[3], start[4], finish[2])) 21*4d495c6eSApple OSS Distributions end) 22*4d495c6eSApple OSS Distributionsend 23*4d495c6eSApple OSS Distributions 24*4d495c6eSApple OSS Distributionslocal ok, err = sess:start() 25*4d495c6eSApple OSS Distributionsif not ok then 26*4d495c6eSApple OSS Distributions io.stderr:write('tracing failed: ', err, '\n') 27*4d495c6eSApple OSS Distributions os.exit(1) 28*4d495c6eSApple OSS Distributionsend 29