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From: Stephane Eranian on 30 Apr 2010 13:10
Hi,

I am trying to use perf trace to dump the raw samples.

$ perf record -R noploop 5
noploop for 5 seconds
[ perf record: Woken up 3 times to write data ]
[ perf record: Captured and wrote 0.269 MB perf.data (~11759 samples) ]

$ perf trace
Fatal: reading input file (size expected=3 received=-1)

Seems like trace does not understand the format of the perf.data file anymore.
This used to work. Did you change the purpose of perf trace?
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Prev: Staging: winbond: checkpatch.pl tool fixes
Next: patch usb-core-config.c-usb_get_configuration-simplified.patch added to gregkh-2.6 tree