On 28/02/2024 23:21, John Hubbard wrote: > On 2/28/24 04:04, Alan Maguire wrote: >> On 28/02/2024 09:20, Jiri Olsa wrote: >>> On Tue, Feb 27, 2024 at 07:21:42PM -0800, John Hubbard wrote: > ... >>> do you have an actual count of percpu variables for your config? > > That's a very reasonable question... > >>> 10x seems a lot to me > > Me too. This was a "make the problem go away now please" type of "fix". :) > Running bpftool btf dump file vmlinux |grep "] VAR" ...should give us a sense of what's going on. I only see 375 per-cpu variables when I do this so maybe there's something kernel-config-specific that might explain why you have so many more? >>> >>> this might be a workaround, but we should make encoder->percpu.vars >>> dynamically allocated like we do for functions > > Yes, that's a much better design imho. > >>> >>> jirka >>> >> >> Good idea Jiri; John would you mind trying the attached patch? Thanks! > > It works perfectly for me. For that patch, please feel free to add: > > Tested-by: John Hubbard <jhubbard@xxxxxxxxxx> > that's great, thanks for testing this John! Alan > > thanks,
