On Tue, Feb 12, 2019 at 07:02:58AM -0800, Ashley wrote: > So I upgraded my kernel version to 5.0.0-rc6, and it seems to consistently > work perfectly now, even with a much higher density of futex calls than I > was working with before. > > I'm still curious what the issue is, and I sadly can't say with any > confidence that it's definitely the kernel version, since I accidentally > broke my filesystem trying to resize it and had to make a fresh VM, so I > may have different BCC or dependency versions installed on this machine, > but I'm hoping to find time to dig a bit more in a few weeks to see if I > can determine what was going on here.
bcc now supports the maxactive kretprobe parameter [1], so if you want to test whether a higher maxactive value solves the issue you had, it's as easy as calling BPF.attach_kretprobe with a maxactive=your_value argument. 1 - https://github.com/iovisor/bcc/pull/2224 > > Thanks again for the help, Paul! I wouldn't have considered playing with > the kernel version without realising it was working fine for the kernel > module. > > Regards, > Ashley -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#1586): https://lists.iovisor.org/g/iovisor-dev/message/1586 Mute This Topic: https://lists.iovisor.org/mt/29702757/21656 Group Owner: iovisor-dev+ow...@lists.iovisor.org Unsubscribe: https://lists.iovisor.org/g/iovisor-dev/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
