[Pkg-opt-media-team] Bug#709971: dvd+rw-tools: growisofs more then 1 Bluray, since Debian 7 speed collapses

Thomas Schmitt scdbackup at gmx.net
Wed Jun 12 09:23:22 UTC 2013


Hi,

i have uploaded
  http://www.gnu.org/software/xorriso/xorriso-1.3.1.tar.gz
with improved time measurement in the SCSI log.

The time measurement is now done in userspace by gettimofday()
or optional clock_gettime(CLOCK_MONOTONIC).
The shown granularity is microseconds.

Additionally there is a timestamp in []-brackets which tells
the elapsed microseconds since startup of libburn.
The timestamps can be used to determine the time between
two SCSI commands resp. ioctl(SG_IO) calls.

E.g there is a time gap of 133672-130285-1936 = 1451 microseconds
between the end of the first command and the start the next one:

  PREVENT/ALLOW MEDIA REMOVAL
  1e 00 00 00 00 00 
       6394 us     [ 130285 ]

  START/STOP UNIT
  1b 00 00 00 03 00 
       1936 us     [ 133672 ]


Have a nice day :)

Thomas



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