[Xen-devel] Xenalyze?

[Thomas Graves <tgraves@xxxxxxxxxxxxx>]

Hello, 

I'm new to using xentrace and xenalyze and I am having problems running
xenalyze on a large trace file. It is always giving me a fatal error. If I
run it on like a 30 second trace it seems to work fine.

Is this a known issue or am I possibly doing something wrong?  Do you think
it would work if I truncate the file or would it be missing stuff xenalyze
expects?   If there is no way to truncate it  perhaps I'll see if I can
modify it to only show me certain time frame - I haven't looked at the code
yet so I guess I'll have to see if that is possible.

I'm using xen3.4.3 with rhel5.4 dom0 running a rhel5.4 vm.

I'm trying to debug a vm hang at boot which sporadically occurs so I just
have trace running while I do a bunch of creates and deletes so the trace
file gets fairly large.  If you have other ideas what might work better I
would be interested in hearing them.


-------
-bash-3.2$ ls -la trace.raw
-rw-r--r-- 1 root root 13238044416 Jul  7 23:02 trace.raw
-bash-3.2$ xenalyze/xenalyze --cpu-hz=2.43G --summary  trace.raw > out

-------
..
..
..
..
runstate_change old_runstate blocked, d1402v0 runstate runnable.  Possible
tsc skew.
runstate_change old_runstate blocked, d1402v0 runstate runnable.  Possible
tsc skew.
runstate_change old_runstate runnable, d1402v0 runstate running.  Possible
tsc skew.
 Not updating.
FATAL: p->current null
]  20f101(20:f:101) 3 [ 802061ea ffffffff f ]
-----


Any help is appreciated,
Thanks,
Tom Graves


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