1*d4514f0bSApple OSS Distributions#!/usr/local/bin/recon 2*d4514f0bSApple OSS Distributions 3*d4514f0bSApple OSS Distributionslocal ktrace = require 'ktrace' 4*d4514f0bSApple OSS Distributions 5*d4514f0bSApple OSS Distributionsif not arg[1] or arg[1] == '-h' then 6*d4514f0bSApple OSS Distributions print[[ 7*d4514f0bSApple OSS Distributionsusage: ktruss <syscall-name> [<more-names> ...] 8*d4514f0bSApple OSS Distributions 9*d4514f0bSApple OSS DistributionsUse Kernel TRace to print User Space Syscalls (ktruss).]] 10*d4514f0bSApple OSS Distributions os.exit(arg[1] == nil) 11*d4514f0bSApple OSS Distributionsend 12*d4514f0bSApple OSS Distributions 13*d4514f0bSApple OSS Distributionslocal sess = ktrace.Session.new() 14*d4514f0bSApple OSS Distributions 15*d4514f0bSApple OSS Distributionsfor i = 1, #arg do 16*d4514f0bSApple OSS Distributions sess:add_callback_pair('BSC_' .. arg[i], function (start, finish) 17*d4514f0bSApple OSS Distributions print(('%s[%d]: %s(0x%x, 0x%x, 0x%x, 0x%x) -> %d'):format( 18*d4514f0bSApple OSS Distributions sess:procname_for_threadid(start.threadid), 19*d4514f0bSApple OSS Distributions sess:pid_for_threadid(start.threadid), arg[1], start[1], start[2], 20*d4514f0bSApple OSS Distributions start[3], start[4], finish[2])) 21*d4514f0bSApple OSS Distributions end) 22*d4514f0bSApple OSS Distributionsend 23*d4514f0bSApple OSS Distributions 24*d4514f0bSApple OSS Distributionslocal ok, err = sess:start() 25*d4514f0bSApple OSS Distributionsif not ok then 26*d4514f0bSApple OSS Distributions io.stderr:write('tracing failed: ', err, '\n') 27*d4514f0bSApple OSS Distributions os.exit(1) 28*d4514f0bSApple OSS Distributionsend 29