On Wed, Jul 22, 2015 at 4:32 PM, William Cohen <wco...@redhat.com> wrote: > Hi All, > > A while back I added event support to libpfm and papi for the ARM > Cortex A53 based on the publicly available documentation. However, > I didn't have a means of testing it until recently when I got a > 96board dragonboard 410c > (https://www.96boards.org/products/ce/dragonboard410c/) running Ubuntu > 15.04 with a custom kernel:
Nice little board and very affordable! > > $ uname -a > Linux linaro-alip 4.0.0-linaro-lt-qcom #1 SMP PREEMPT Thu Jun 18 09:43:10 UTC > 2015 aarch64 aarch64 aarch64 GNU/Linux > > I took a little time to build and run libpfm from libpfm-4.5.0.tar.gz > and the local validate test things loook good: > > $ ./validate > Libpfm structure tests: > libpfm ABI version : 0 > pfm_pmu_info_t : Passed > pfm_event_info_t : Passed > pfm_event_attr_info_t : Passed > pfm_pmu_encode_arg_t : Passed > pfm_perf_encode_arg_t : Passed > Libpfm internal table tests: > checking perf (80 events): Passed > checking perf_raw (1 events): Passed > Architecture specific tests: > All tests passed > > > Similarly built papi from the upstream git repository and ran the tests > > $ sudo ./run_tests.sh >& papi_git-ac53g.log > > Attached are the results of the tests and below are some comments > about the tests. > > The cortex a53 doesn't have support for monitoring floating point events so a > number of tests are "SKIPPED" or "PASSED with WARNING": > > api.c PASSED with WARNING > Running ctests/calibrate:calibrate.c SKIPPED > > > Only supported on specific architectures: > > Running ctests/data_range:data_range.c SKIPPED > Running ctests/earprofile:earprofile.c SKIPPED > Running ctests/p4_lst_ins:p4_lst_ins.c SKIPPED > Running ctests/zero_smp:zero_smp.c SKIPPED > > > Missing PAPI_REF_CYC event: > Running ctests/cycle_ratio:cycle_ratio.c SKIPPED > > Missing PAPI_L1_TCM event: > Running ctests/tenth:tenth.c SKIPPED > > arm using 20MHz for REAL_CYCLES > Running ctests/zero:zero.c FAILED > > Don't have openshmem > Running ctests/zero_shmem:zero_shmem.c SKIPPED > > > Seem to be related to running the run_test.sh with sudo: > Running ctests/exeinfo:exeinfo.c FAILED > Running ctests/profile_pthreads:profile_pthreads.c FAILED > Running ctests/profile_twoevents:profile_twoevents.c FAILED > > Looks like need to take a closer look at the domain (kernel/user) control: > Running > components/perf_event/tests/perf_event_system_wide:perf_event_system_wide.c > FAILED > Are you saying, there is something wrong withe the priv level filtering in libpfm4 for ARM64? ------------------------------------------------------------------------------ _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel
