Can't see any symbols running perf call graph on an arm 64 target with 32-bit application.
perf record -F 999 -g -o /tmp/perf.data ./lratSampleAppArmLm perf report -i /tmp/perf.data > /tmp/xxxxxx_perf.out Sample application attached. Result: Running on a 32-bit system: 16.82% 16.82% lratSampleAppAr lratSampleAppArmLm [.] calculate_meaning_of_life | ---calculate_meaning_of_life going_to_hyperdrive aligning_the_stars gathering_the_bits illustrate_call_chains do_something 0x60f4 0xd56a0 main | |--0.02%-- __libc_start_main --99.98%-- [...] 15.59% 15.58% lratSampleAppAr Running on a 64-bit system with a 32-bit root file system: lratSampleAppArmLm [.] calculate_meaning_of_life | ---calculate_meaning_of_life | |--16.68%-- 0xf4879e2c | |--16.67%-- 0xf6079e2c | |--10.14%-- 0xf4079e2c | |--10.14%-- 0xf5079e2c | |--10.10%-- 0xf3879e2c | |--10.01%-- 0xf2879e2c | |--9.60%-- 0xf6879e2c | |--6.80%-- 0xf5879e2c | |--6.60%-- 0xf3079e2c | --3.26%-- 0xf7079e2c Full results attached. Additional info: Perf seems to work fine if the application and its dependencies are 64-bit. It doesn't matter if perf is 32 or 64-bit.