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