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[PULL,28/35] kvm_stat: Add powerpc support

Message ID 1414776373-9704-29-git-send-email-pbonzini@redhat.com
State New
Headers show

Commit Message

Paolo Bonzini Oct. 31, 2014, 5:26 p.m. UTC 
From: Michael Ellerman <mpe@ellerman.id.au>

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@ellerman.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 scripts/kvm/kvm_stat | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)
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Patch

diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat
index a65d0a3..7b1437c 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):
@@ -194,7 +194,21 @@  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():
@@ -217,7 +231,7 @@  filters['kvm_userspace_exit'] = ('reason', invert(userspace_exit_reasons))
 if exit_reasons:
     filters['kvm_exit'] = ('exit_reason', invert(exit_reasons))
 
-import ctypes, struct, array
+import struct, array
 
 libc = ctypes.CDLL('libc.so.6')
 syscall = libc.syscall