1*bbb1b6f9SApple OSS Distributions#!/usr/local/bin/recon 2*bbb1b6f9SApple OSS Distributions 3*bbb1b6f9SApple OSS Distributionslocal ktrace = require 'ktrace' 4*bbb1b6f9SApple OSS Distributions 5*bbb1b6f9SApple OSS Distributionsif not arg[1] or arg[1] == '-h' then 6*bbb1b6f9SApple OSS Distributions print[[ 7*bbb1b6f9SApple OSS Distributionsusage: ktruss <syscall-name> [<more-names> ...] 8*bbb1b6f9SApple OSS Distributions 9*bbb1b6f9SApple OSS DistributionsUse Kernel TRace to print User Space Syscalls (ktruss).]] 10*bbb1b6f9SApple OSS Distributions os.exit(arg[1] == nil) 11*bbb1b6f9SApple OSS Distributionsend 12*bbb1b6f9SApple OSS Distributions 13*bbb1b6f9SApple OSS Distributionslocal sess = ktrace.Session.new() 14*bbb1b6f9SApple OSS Distributions 15*bbb1b6f9SApple OSS Distributionsfor i = 1, #arg do 16*bbb1b6f9SApple OSS Distributions sess:add_callback_pair('BSC_' .. arg[i], function (start, finish) 17*bbb1b6f9SApple OSS Distributions print(('%s[%d]: %s(0x%x, 0x%x, 0x%x, 0x%x) -> %d'):format( 18*bbb1b6f9SApple OSS Distributions sess:procname_for_threadid(start.threadid), 19*bbb1b6f9SApple OSS Distributions sess:pid_for_threadid(start.threadid), arg[1], start[1], start[2], 20*bbb1b6f9SApple OSS Distributions start[3], start[4], finish[2])) 21*bbb1b6f9SApple OSS Distributions end) 22*bbb1b6f9SApple OSS Distributionsend 23*bbb1b6f9SApple OSS Distributions 24*bbb1b6f9SApple OSS Distributionslocal ok, err = sess:start() 25*bbb1b6f9SApple OSS Distributionsif not ok then 26*bbb1b6f9SApple OSS Distributions io.stderr:write('tracing failed: ', err, '\n') 27*bbb1b6f9SApple OSS Distributions os.exit(1) 28*bbb1b6f9SApple OSS Distributionsend 29