Em Tue, Jun 09, 2015 at 02:30:36PM -0700, Alexei Starovoitov escreveu: > On 6/8/15 10:50 PM, Wang Nan wrote: > > # perf record --event lock_page.c ls / > > Added new event: > > perf_bpf_probe:lock_page (on __lock_page) > > > > You can now use it in all perf tools, such as:
> agree with Arnaldo. The output is misleading. > All these events will disappear when 'perf record' is over. > Please trim it. > btw we've been thinking how to make truly global programs > and maps, so that they can be used in 'perf probe' interface. > Right now in 'tc' we're using bpf_agent. It's a user space > demon that keeps prog_fd and map_fds and passes them to other > apps via scm_rights. > We've started experimenting with fuse for this purpose as well, > but that's similar user space demon and not very convenient > for perf to talk to such fuse. > The work in that area is still very rough, just fyi. Cool stuff, but please leave us without daemons, we've exorcised from day one ;-) - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
