1*fdd8201dSApple OSS Distributions#!/usr/local/bin/recon 2*fdd8201dSApple OSS Distributions 3*fdd8201dSApple OSS Distributionslocal ktrace = require 'ktrace' 4*fdd8201dSApple OSS Distributions 5*fdd8201dSApple OSS Distributionsif not arg[1] or arg[1] == '-h' then 6*fdd8201dSApple OSS Distributions print[[ 7*fdd8201dSApple OSS Distributionsusage: ktruss <syscall-name> [<more-names> ...] 8*fdd8201dSApple OSS Distributions 9*fdd8201dSApple OSS DistributionsUse Kernel TRace to print User Space Syscalls (ktruss).]] 10*fdd8201dSApple OSS Distributions os.exit(arg[1] == nil) 11*fdd8201dSApple OSS Distributionsend 12*fdd8201dSApple OSS Distributions 13*fdd8201dSApple OSS Distributionslocal sess = ktrace.Session.new() 14*fdd8201dSApple OSS Distributions 15*fdd8201dSApple OSS Distributionsfor i = 1, #arg do 16*fdd8201dSApple OSS Distributions sess:add_callback_pair('BSC_' .. arg[i], function (start, finish) 17*fdd8201dSApple OSS Distributions print(('%s[%d]: %s(0x%x, 0x%x, 0x%x, 0x%x) -> %d'):format( 18*fdd8201dSApple OSS Distributions sess:procname_for_threadid(start.threadid), 19*fdd8201dSApple OSS Distributions sess:pid_for_threadid(start.threadid), arg[1], start[1], start[2], 20*fdd8201dSApple OSS Distributions start[3], start[4], finish[2])) 21*fdd8201dSApple OSS Distributions end) 22*fdd8201dSApple OSS Distributionsend 23*fdd8201dSApple OSS Distributions 24*fdd8201dSApple OSS Distributionslocal ok, err = sess:start() 25*fdd8201dSApple OSS Distributionsif not ok then 26*fdd8201dSApple OSS Distributions io.stderr:write('tracing failed: ', err, '\n') 27*fdd8201dSApple OSS Distributions os.exit(1) 28*fdd8201dSApple OSS Distributionsend 29