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author | Michael Ellerman <mpe@ellerman.id.au> | 2014-06-17 17:54:34 +1000 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-10-31 16:35:15 +0100 |
commit | a15d5642a03a0b6c6cf327e497e688d1ba4c676d (patch) | |
tree | 9fe389191548c82b5a28ff844405073474ac6a6a /scripts | |
parent | 4d4103ff32ee4c88857727515b5e596a1debc227 (diff) | |
download | qemu-a15d5642a03a0b6c6cf327e497e688d1ba4c676d.zip qemu-a15d5642a03a0b6c6cf327e497e688d1ba4c676d.tar.gz qemu-a15d5642a03a0b6c6cf327e497e688d1ba4c676d.tar.bz2 |
kvm_stat: Abstract ioctl numbers
Unfortunately ioctl numbers are platform specific, so abstract them out
of the code so they can be overridden. As it happens x86 and s390 share
the same values, so nothing needs to change yet.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'scripts')
-rwxr-xr-x | scripts/kvm/kvm_stat | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat index 00d4c5d..a65d0a3 100755 --- a/scripts/kvm/kvm_stat +++ b/scripts/kvm/kvm_stat @@ -177,6 +177,12 @@ x86_exit_reasons = { sc_perf_evt_open = None exit_reasons = None +ioctl_numbers = { + 'SET_FILTER' : 0x40082406, + 'ENABLE' : 0x00002400, + 'DISABLE' : 0x00002401, +} + def x86_init(flag): globals().update({ 'sc_perf_evt_open' : 298, @@ -301,14 +307,14 @@ class Event(object): raise Exception('perf_event_open failed') if filter: import fcntl - fcntl.ioctl(fd, 0x40082406, filter) + fcntl.ioctl(fd, ioctl_numbers['SET_FILTER'], filter) self.fd = fd def enable(self): import fcntl - fcntl.ioctl(self.fd, 0x00002400, 0) + fcntl.ioctl(self.fd, ioctl_numbers['ENABLE'], 0) def disable(self): import fcntl - fcntl.ioctl(self.fd, 0x00002401, 0) + fcntl.ioctl(self.fd, ioctl_numbers['DISABLE'], 0) class TracepointProvider(object): def __init__(self): |