On Tue, 15 Oct 2019 21:21:04 -0700 Eric Sage <eric@xxxxxxxx> wrote: > I'm no longer able to build the samples with 'make M=samples/bpf'. > > I get errors in task_fd_query_user.c like: > > samples/bpf/task_fd_query_user.c:153:29: error: ‘PERF_EVENT_IOC_ENABLE’ > undeclared. > > Am I missing a dependancy? Have you remembered to run: make headers_install (As described in samples/bpf/README) -- Best regards, Jesper Dangaard Brouer MSc.CS, Principal Kernel Engineer at Red Hat LinkedIn: http://www.linkedin.com/in/brouer