Not able to execute rr

Robert O'Callahan robert at
Mon Mar 28 09:20:55 UTC 2016

On Mon, Mar 28, 2016 at 10:09 PM, Kumar, Atul 3. (Nokia - IN/Bangalore) <
atul.3.kumar at> wrote:

> rr -F record a.out
> rr: Saving the execution of `a.out' to trace directory
> `/root/.local/share/rr/a.out-4'.
> rr internal recorder error: Performance counter doesn't seem to be
> working. Are you perhaps running rr in a VM but didn't enable perf-counter
> virtualization?

Are you running rr in a VM?

What does 'perf list' show?

What does 'dmesg|grep PMU' show?

lbir ye,ea yer.tnietoehr  rdn rdsme,anea lurpr  edna e hnysnenh hhe uresyf
selthor  stor  edna  siewaoeodm  or v sstvr  esBa  kbvted,t
o l euetiuruewFa  kbn e hnystoivateweh uresyf tulsa rehr  rdm  or rnea
.a war hsrer holsa rodvted,t  nenh hneireseoouot.tniesiewaoeivatewt sstvr
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