On 17.06.14 09:54, Michael Ellerman wrote:
Add support for powerpc platforms. We use uname -m, which allows us to
detect ppc, ppc64 and ppc64le/el.
Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Could you please add support for PR KVM tracepoints along the way? There
we do know the exit reason for every single guest <-> host transition. I
would like to move to a similar model with HV in the future, so we can
hopefully just reuse this by then.
Alex
---
scripts/kvm/kvm_stat | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat
index 2e0f5ed..db867fe 100755
--- a/scripts/kvm/kvm_stat
+++ b/scripts/kvm/kvm_stat
@@ -12,7 +12,7 @@
# the COPYING file in the top-level directory.
import curses
-import sys, os, time, optparse
+import sys, os, time, optparse, ctypes
class DebugfsProvider(object):
def __init__(self):
@@ -199,7 +199,21 @@ def s390_init():
'sc_perf_evt_open' : 331,
})
+def ppc_init():
+ globals().update({
+ 'sc_perf_evt_open' : 319,
+ 'ioctl_numbers' : {
+ 'SET_FILTER' : 0x80002406 | (ctypes.sizeof(ctypes.c_char_p) << 16),
+ 'ENABLE' : 0x20002400,
+ 'DISABLE' : 0x20002401,
+ }
+ })
+
def detect_platform():
+ if os.uname()[4].startswith('ppc'):
+ ppc_init()
+ return
+
for line in file('/proc/cpuinfo').readlines():
if line.startswith('flags'):
for flag in line.split():
@@ -220,7 +234,7 @@ def invert(d):
for f in filters:
filters[f] = (filters[f][0], invert(filters[f][1]))
-import ctypes, struct, array
+import struct, array
libc = ctypes.CDLL('libc.so.6')
syscall = libc.syscall
--
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