On Wed, Sep 23, 2020 at 6:08 PM Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx> wrote: > > On Tue, Sep 22, 2020 at 08:38:45PM +0200, Toke Høiland-Jørgensen wrote: > > -const struct bench bench_trig_fmodret = { > > - .name = "trig-fmodret", > > - .validate = trigger_validate, > > - .setup = trigger_fmodret_setup, > > - .producer_thread = trigger_producer, > > - .consumer_thread = trigger_consumer, > > - .measure = trigger_measure, > > - .report_progress = hits_drops_report_progress, > > - .report_final = hits_drops_report_final, > > -}; > > diff --git a/tools/testing/selftests/bpf/progs/trigger_bench.c b/tools/testing/selftests/bpf/progs/trigger_bench.c > > index 9a4d09590b3d..1af23ac0c37c 100644 > > --- a/tools/testing/selftests/bpf/progs/trigger_bench.c > > +++ b/tools/testing/selftests/bpf/progs/trigger_bench.c > > @@ -45,10 +45,3 @@ int bench_trigger_fentry_sleep(void *ctx) > > __sync_add_and_fetch(&hits, 1); > > return 0; > > } > > - > > -SEC("fmod_ret/__x64_sys_getpgid") > > -int bench_trigger_fmodret(void *ctx) > > -{ > > - __sync_add_and_fetch(&hits, 1); > > - return -22; > > -} > > why are you removing this? There is no problem here. > All syscalls are error-injectable. > I'm surprised Andrii acked this :( Andrii didn't know that all syscalls are error-injectable, thanks for catching :) after fmod_ret/__set_task_comm I just assumed that I've been abusing fmod_ret all this time...