Value

Default

Description

TR_PATH

Path

[1]

Directory name or Filename of destination trace file.

TR_MAX_FILES_PER_VM

1-20

1

If this parameter is set to 1, a new trace file will be written to until its size reaches set max file size. When it exceeds the max file size writing of tracing lines will restart from the beginning of the trace file. In this case, the timestamping will implicitly be turned on.

TIMESTAMP

y/n/h

N

Add a time stamp (current time) to start of every trace line.

Y = do with default OS precision (1 second typical).

H =  [Win32 only] High-precision (1 millisecond resolution for NT, 10 millisecond for Win98)

TR_SIZE

number

0

Size of intermediate trace buffer (0 = immediate flush to disk)

TR_SUPPRESS

y/n

N

Suppress trace output.

TR_CRT

y/n

N

Also "trace to Screen" as well as to trace file (“trace to screen means use the DBWIN code)

DBWIN

y/n

N

[Win32 only] [Only used if enabled via TR_CRT] Trace to Windows Debugger Window, or Dialog Box

TR_DTOSF

y/n

N

Trace "Dirty Screen" (_dtosf)  flag value. (A ‘+’ is prefixed to every trace line if the flag is on, or a space if off.)  [for Internal Use]

XMALLOC

y/n

Y

Enable Memory allocation Debug & Trace code. (This is a debug rather than trace option; TRACEMEM is used for tracing.) (For most platforms, this option is only functional for a debug kernel.)