scripts/kvm/kvm_stat: Removed unneeded PERF constants

Only two of the constants are actually needed to set up the events, so
the others were removed. All variables that used them were also removed.
Signed-off-by: NJanosch Frank <frankja@linux.vnet.ibm.com>
Message-Id: <1452525484-32309-5-git-send-email-frankja@linux.vnet.ibm.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

scripts/kvm/kvm_stat

@@ -325,29 +325,8 @@ def _perf_event_open(attr, pid, cpu, group_fd, flags):
                    ctypes.c_int(cpu), ctypes.c_int(group_fd),
                    ctypes.c_long(flags))
 
-PERF_TYPE_HARDWARE              = 0
-PERF_TYPE_SOFTWARE              = 1
-PERF_TYPE_TRACEPOINT            = 2
-PERF_TYPE_HW_CACHE              = 3
-PERF_TYPE_RAW                   = 4
-PERF_TYPE_BREAKPOINT            = 5
-
-PERF_SAMPLE_IP                  = 1 << 0
-PERF_SAMPLE_TID                 = 1 << 1
-PERF_SAMPLE_TIME                = 1 << 2
-PERF_SAMPLE_ADDR                = 1 << 3
-PERF_SAMPLE_READ                = 1 << 4
-PERF_SAMPLE_CALLCHAIN           = 1 << 5
-PERF_SAMPLE_ID                  = 1 << 6
-PERF_SAMPLE_CPU                 = 1 << 7
-PERF_SAMPLE_PERIOD              = 1 << 8
-PERF_SAMPLE_STREAM_ID           = 1 << 9
-PERF_SAMPLE_RAW                 = 1 << 10
-
-PERF_FORMAT_TOTAL_TIME_ENABLED  = 1 << 0
-PERF_FORMAT_TOTAL_TIME_RUNNING  = 1 << 1
-PERF_FORMAT_ID                  = 1 << 2
-PERF_FORMAT_GROUP               = 1 << 3
+PERF_TYPE_TRACEPOINT = 2
+PERF_FORMAT_GROUP = 1 << 3
 
 sys_tracing = '/sys/kernel/debug/tracing'
 
@@ -378,9 +357,6 @@ class Event(object):
                                tracepoint, 'id')
         id = int(file(id_path).read())
         attr.config = id
-        attr.sample_type = (PERF_SAMPLE_RAW
-                            | PERF_SAMPLE_TIME
-                            | PERF_SAMPLE_CPU)
         attr.sample_period = 1
         attr.read_format = PERF_FORMAT_GROUP
         group_leader = -1