> On Sep 16, 2019, at 10:31 AM, Benoit Ganne (bganne) via Lists.Fd.Io > <[email protected]> wrote: > >> Could these odd symbols I'm seeing be the result of link-time >> optimization? > > We do not do LTO. AFAIK the default for x86_64 is to omit frame pointer for > optimized builds so you probably do not have it in most cases in VPP builds > (but I did not check). > So when perf tries to interpret random data as frame pointer, this is what > you get :) > The most reliable (but slowest) should be dwarf. lbr should be the way to go > on Intel Haswell and later.
FWIW, this is being run on the Macchiatobin platform (i.e., aarch64 cortex-A72). :) Thanks, Chris. > > ben > -=-=-=-=-=-=-=-=-=-=-=- > Links: You receive all messages sent to this group. > > View/Reply Online (#13992): https://lists.fd.io/g/vpp-dev/message/13992 > Mute This Topic: https://lists.fd.io/mt/34128898/1826170 > Group Owner: [email protected] > Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [[email protected]] > -=-=-=-=-=-=-=-=-=-=-=-
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