webmcp
annotate framework/env/trace/__init.lua @ 299:47c5f33e4a6b
Trace real time and CPU time
| author | jbe |
|---|---|
| date | Sun Mar 22 19:25:38 2015 +0100 (2015-03-22) |
| parents | a9ad9186a922 |
| children | a3da58aae6ce |
| rev | line source |
|---|---|
| jbe@287 | 1 local seq = 0 |
| jbe@287 | 2 local saved_tree |
| jbe@287 | 3 |
| jbe@287 | 4 request.for_each(function() |
| jbe@287 | 5 if seq == 0 then |
| jbe@287 | 6 -- prepare for configuration/initialization phase |
| jbe@287 | 7 trace._disabled = false |
| jbe@299 | 8 trace._tree = { type = "root" } |
| jbe@287 | 9 trace._stack = { trace._tree } |
| jbe@287 | 10 seq = 1 |
| jbe@287 | 11 elseif seq == 1 then |
| jbe@287 | 12 -- save current state before processing first request |
| jbe@287 | 13 if not (trace._stack[1] == trace._tree and trace._stack[2] == nil) then |
| jbe@287 | 14 error("Trace stack unbalanced after initialization") |
| jbe@287 | 15 end |
| jbe@287 | 16 if not trace._disabled then |
| jbe@287 | 17 saved_tree = table.new(trace._tree) |
| jbe@287 | 18 end |
| jbe@287 | 19 seq = 2 |
| jbe@287 | 20 elseif saved_tree then |
| jbe@287 | 21 -- restore state before processing next request |
| jbe@287 | 22 if saved_tree then |
| jbe@287 | 23 trace._disabled = false |
| jbe@287 | 24 trace._tree = table.new(saved_tree) |
| jbe@287 | 25 trace._stack = { trace._tree } |
| jbe@287 | 26 end |
| jbe@287 | 27 end |
| jbe@287 | 28 end) |