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2013-03-15all: import netsniff-ng 0.5.8-rc0 sourceDaniel Borkmann1-0/+42
We decided to get rid of the old Git history and start a new one for several reasons: *) Allow / enforce only high-quality commits (which was not the case for many commits in the history), have a policy that is more close to the one from the Linux kernel. With high quality commits, we mean code that is logically split into commits and commit messages that are signed-off and have a proper subject and message body. We do not allow automatic Github merges anymore, since they are total bullshit. However, we will either cherry-pick your patches or pull them manually. *) The old archive was about ~27MB for no particular good reason. This basically derived from the bad decision that also some PDF files where stored there. From this moment onwards, no binary objects are allowed to be stored in this repository anymore. The old archive is not wiped away from the Internet. You will still be able to find it, e.g. on git.cryptoism.org etc. Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
he newly created per-vcpu debugfs directory: - TSC offset (as a signed number) - TSC scaling ratio - TSC scaling ratio fractinal bits The original intention of this commit was to export only the TSC offset, but the TSC scaling information is exported for completeness. We need to retrieve the TSC offset from user-space in order to support the merging of host and guest traces in trace-cmd. Today, we use the kvm_write_tsc_offset tracepoint, but it has a number of problems (mainly, it requires a running VM to be rebooted, ftrace setup, and also tracepoints are not supposed to be ABIs). The merging of host and guest traces is explained in more detail in this thread: [Qemu-devel] [RFC] host and guest kernel trace merging https://lists.nongnu.org/archive/html/qemu-devel/2016-03/msg00887.html This commit creates the following files in debugfs: /sys/kernel/debug/kvm/66828-10/vcpu0/tsc-offset /sys/kernel/debug/kvm/66828-10/vcpu0/tsc-scaling-ratio /sys/kernel/debug/kvm/66828-10/vcpu0/tsc-scaling-ratio-frac-bits The last two are only created if TSC scaling is supported. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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