xref: /xnu-10002.41.9/tools/trace/ktruss.lua (revision 699cd48037512bf4380799317ca44ca453c82f57)
1*699cd480SApple OSS Distributions#!/usr/local/bin/recon
2*699cd480SApple OSS Distributions
3*699cd480SApple OSS Distributionslocal ktrace = require 'ktrace'
4*699cd480SApple OSS Distributions
5*699cd480SApple OSS Distributionsif not arg[1] or arg[1] == '-h' then
6*699cd480SApple OSS Distributions  print[[
7*699cd480SApple OSS Distributionsusage: ktruss <syscall-name> [<more-names> ...]
8*699cd480SApple OSS Distributions
9*699cd480SApple OSS DistributionsUse Kernel TRace to print User Space Syscalls (ktruss).]]
10*699cd480SApple OSS Distributions  os.exit(arg[1] == nil)
11*699cd480SApple OSS Distributionsend
12*699cd480SApple OSS Distributions
13*699cd480SApple OSS Distributionslocal sess = ktrace.Session.new()
14*699cd480SApple OSS Distributions
15*699cd480SApple OSS Distributionsfor i = 1, #arg do
16*699cd480SApple OSS Distributions  sess:add_callback_pair('BSC_' .. arg[i], function (start, finish)
17*699cd480SApple OSS Distributions    print(('%s[%d]: %s(0x%x, 0x%x, 0x%x, 0x%x) -> %d'):format(
18*699cd480SApple OSS Distributions        sess:procname_for_threadid(start.threadid),
19*699cd480SApple OSS Distributions        sess:pid_for_threadid(start.threadid), arg[1], start[1], start[2],
20*699cd480SApple OSS Distributions        start[3], start[4], finish[2]))
21*699cd480SApple OSS Distributions  end)
22*699cd480SApple OSS Distributionsend
23*699cd480SApple OSS Distributions
24*699cd480SApple OSS Distributionslocal ok, err = sess:start()
25*699cd480SApple OSS Distributionsif not ok then
26*699cd480SApple OSS Distributions  io.stderr:write('tracing failed: ', err, '\n')
27*699cd480SApple OSS Distributions  os.exit(1)
28*699cd480SApple OSS Distributionsend
29