Debug Tracing Options
Windows httpd supports debug tracing to help isolate problems with HTTP, network I/O, and control flow. To enable tracing, include the -x option on the command line. The numeric argument to this option controls which event classes are traced, and can be in decimal or hex (preceded by "0x"). Hex is easier to deal with. The trace classes supported in the current release, and their mask values, are shown below:
0x00000010 Main dispatcher control flow
0x00000020 Transaction thread control flow
0x00001000 HTTP
0x00002000 Network I/O and aynchronous event handling
0x00040000 Hex/ASCII dump of transmitted packets
For example:
-x0x3030
will trace Main and transaction control flow, HTTP, and Net I/O.
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