[Xen-devel] Error message using xentrace.

[Parisa Heidari <parisa.heidari@xxxxxxxxxx>]

Hello,

I'm taking a trace using Xentrace. Everything seems to be ok and I 'm able to
take the trace. Then, seeing the result by xentrace_format, I receive this
error message:
$xentrace_format  /etc/xen/formats < ~/Traces/xentrace.dat > ~/Traces/def1
Traceback (most recent call last):
  File "./xentrace_format", line 108, in ?
    (tsc, event, d1, d2, d3, d4, d5) = struct.unpack(TRCREC, line)
struct.error: unpack str size does not match format


However it gives me a file. And the output is like:
CPU0  1637436031845 (+       0)  do_block               [ domid = 0x00000000,
edomid = 0x00000000 ]
CPU0  1637436034822 (+    2977)  unknown (0x000000000002f00e)  [ 0x00000000
0x0002f2aa 0x00000000 0x00000000 0x00000000 ]
CPU0  1637436035370 (+     548)  unknown (0x000000000002f00f)  [ 0x00007fff
0x0002f2aa 0x01c9c380 0x00000000 0x00000000 ]

......

Am I doing something wrong? What is the problem with the unknown events?

Thanks in advance,
Parissa.

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