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[Qemu-devel] [PULL 09/31] kvm_stat: Remove


From: Paolo Bonzini
Subject: [Qemu-devel] [PULL 09/31] kvm_stat: Remove
Date: Fri, 27 May 2016 12:06:22 +0200

The source has moved to the Linux kernel tree.

Signed-off-by: Paolo Bonzini <address@hidden>
---
 Makefile                  |   9 -
 scripts/kvm/kvm_stat      | 825 ----------------------------------------------
 scripts/kvm/kvm_stat.texi |  55 ----
 3 files changed, 889 deletions(-)
 delete mode 100755 scripts/kvm/kvm_stat
 delete mode 100644 scripts/kvm/kvm_stat.texi

diff --git a/Makefile b/Makefile
index 3a9782e..51403f1 100644
--- a/Makefile
+++ b/Makefile
@@ -92,9 +92,6 @@ HELPERS-$(CONFIG_LINUX) = qemu-bridge-helper$(EXESUF)
 ifdef BUILD_DOCS
 DOCS=qemu-doc.html qemu-tech.html qemu.1 qemu-img.1 qemu-nbd.8 qemu-ga.8
 DOCS+=qmp-commands.txt
-ifdef CONFIG_LINUX
-DOCS+=kvm_stat.1
-endif
 ifdef CONFIG_VIRTFS
 DOCS+=fsdev/virtfs-proxy-helper.1
 endif
@@ -571,12 +568,6 @@ qemu-ga.8: qemu-ga.texi
          $(POD2MAN) --section=8 --center=" " --release=" " qemu-ga.pod > $@, \
          "  GEN   $@")
 
-kvm_stat.1: scripts/kvm/kvm_stat.texi
-       $(call quiet-command, \
-         perl -Ww -- $(SRC_PATH)/scripts/texi2pod.pl $< kvm_stat.pod && \
-         $(POD2MAN) --section=1 --center=" " --release=" " kvm_stat.pod > $@, \
-         "  GEN   $@")
-
 dvi: qemu-doc.dvi qemu-tech.dvi
 html: qemu-doc.html qemu-tech.html
 info: qemu-doc.info qemu-tech.info
diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat
deleted file mode 100755
index 769d884..0000000
--- a/scripts/kvm/kvm_stat
+++ /dev/null
@@ -1,825 +0,0 @@
-#!/usr/bin/python
-#
-# top-like utility for displaying kvm statistics
-#
-# Copyright 2006-2008 Qumranet Technologies
-# Copyright 2008-2011 Red Hat, Inc.
-#
-# Authors:
-#  Avi Kivity <address@hidden>
-#
-# This work is licensed under the terms of the GNU GPL, version 2.  See
-# the COPYING file in the top-level directory.
-
-import curses
-import sys
-import os
-import time
-import optparse
-import ctypes
-import fcntl
-import resource
-import struct
-import re
-from collections import defaultdict
-from time import sleep
-
-VMX_EXIT_REASONS = {
-    'EXCEPTION_NMI':        0,
-    'EXTERNAL_INTERRUPT':   1,
-    'TRIPLE_FAULT':         2,
-    'PENDING_INTERRUPT':    7,
-    'NMI_WINDOW':           8,
-    'TASK_SWITCH':          9,
-    'CPUID':                10,
-    'HLT':                  12,
-    'INVLPG':               14,
-    'RDPMC':                15,
-    'RDTSC':                16,
-    'VMCALL':               18,
-    'VMCLEAR':              19,
-    'VMLAUNCH':             20,
-    'VMPTRLD':              21,
-    'VMPTRST':              22,
-    'VMREAD':               23,
-    'VMRESUME':             24,
-    'VMWRITE':              25,
-    'VMOFF':                26,
-    'VMON':                 27,
-    'CR_ACCESS':            28,
-    'DR_ACCESS':            29,
-    'IO_INSTRUCTION':       30,
-    'MSR_READ':             31,
-    'MSR_WRITE':            32,
-    'INVALID_STATE':        33,
-    'MWAIT_INSTRUCTION':    36,
-    'MONITOR_INSTRUCTION':  39,
-    'PAUSE_INSTRUCTION':    40,
-    'MCE_DURING_VMENTRY':   41,
-    'TPR_BELOW_THRESHOLD':  43,
-    'APIC_ACCESS':          44,
-    'EPT_VIOLATION':        48,
-    'EPT_MISCONFIG':        49,
-    'WBINVD':               54,
-    'XSETBV':               55,
-    'APIC_WRITE':           56,
-    'INVPCID':              58,
-}
-
-SVM_EXIT_REASONS = {
-    'READ_CR0':       0x000,
-    'READ_CR3':       0x003,
-    'READ_CR4':       0x004,
-    'READ_CR8':       0x008,
-    'WRITE_CR0':      0x010,
-    'WRITE_CR3':      0x013,
-    'WRITE_CR4':      0x014,
-    'WRITE_CR8':      0x018,
-    'READ_DR0':       0x020,
-    'READ_DR1':       0x021,
-    'READ_DR2':       0x022,
-    'READ_DR3':       0x023,
-    'READ_DR4':       0x024,
-    'READ_DR5':       0x025,
-    'READ_DR6':       0x026,
-    'READ_DR7':       0x027,
-    'WRITE_DR0':      0x030,
-    'WRITE_DR1':      0x031,
-    'WRITE_DR2':      0x032,
-    'WRITE_DR3':      0x033,
-    'WRITE_DR4':      0x034,
-    'WRITE_DR5':      0x035,
-    'WRITE_DR6':      0x036,
-    'WRITE_DR7':      0x037,
-    'EXCP_BASE':      0x040,
-    'INTR':           0x060,
-    'NMI':            0x061,
-    'SMI':            0x062,
-    'INIT':           0x063,
-    'VINTR':          0x064,
-    'CR0_SEL_WRITE':  0x065,
-    'IDTR_READ':      0x066,
-    'GDTR_READ':      0x067,
-    'LDTR_READ':      0x068,
-    'TR_READ':        0x069,
-    'IDTR_WRITE':     0x06a,
-    'GDTR_WRITE':     0x06b,
-    'LDTR_WRITE':     0x06c,
-    'TR_WRITE':       0x06d,
-    'RDTSC':          0x06e,
-    'RDPMC':          0x06f,
-    'PUSHF':          0x070,
-    'POPF':           0x071,
-    'CPUID':          0x072,
-    'RSM':            0x073,
-    'IRET':           0x074,
-    'SWINT':          0x075,
-    'INVD':           0x076,
-    'PAUSE':          0x077,
-    'HLT':            0x078,
-    'INVLPG':         0x079,
-    'INVLPGA':        0x07a,
-    'IOIO':           0x07b,
-    'MSR':            0x07c,
-    'TASK_SWITCH':    0x07d,
-    'FERR_FREEZE':    0x07e,
-    'SHUTDOWN':       0x07f,
-    'VMRUN':          0x080,
-    'VMMCALL':        0x081,
-    'VMLOAD':         0x082,
-    'VMSAVE':         0x083,
-    'STGI':           0x084,
-    'CLGI':           0x085,
-    'SKINIT':         0x086,
-    'RDTSCP':         0x087,
-    'ICEBP':          0x088,
-    'WBINVD':         0x089,
-    'MONITOR':        0x08a,
-    'MWAIT':          0x08b,
-    'MWAIT_COND':     0x08c,
-    'XSETBV':         0x08d,
-    'NPF':            0x400,
-}
-
-# EC definition of HSR (from arch/arm64/include/asm/kvm_arm.h)
-AARCH64_EXIT_REASONS = {
-    'UNKNOWN':      0x00,
-    'WFI':          0x01,
-    'CP15_32':      0x03,
-    'CP15_64':      0x04,
-    'CP14_MR':      0x05,
-    'CP14_LS':      0x06,
-    'FP_ASIMD':     0x07,
-    'CP10_ID':      0x08,
-    'CP14_64':      0x0C,
-    'ILL_ISS':      0x0E,
-    'SVC32':        0x11,
-    'HVC32':        0x12,
-    'SMC32':        0x13,
-    'SVC64':        0x15,
-    'HVC64':        0x16,
-    'SMC64':        0x17,
-    'SYS64':        0x18,
-    'IABT':         0x20,
-    'IABT_HYP':     0x21,
-    'PC_ALIGN':     0x22,
-    'DABT':         0x24,
-    'DABT_HYP':     0x25,
-    'SP_ALIGN':     0x26,
-    'FP_EXC32':     0x28,
-    'FP_EXC64':     0x2C,
-    'SERROR':       0x2F,
-    'BREAKPT':      0x30,
-    'BREAKPT_HYP':  0x31,
-    'SOFTSTP':      0x32,
-    'SOFTSTP_HYP':  0x33,
-    'WATCHPT':      0x34,
-    'WATCHPT_HYP':  0x35,
-    'BKPT32':       0x38,
-    'VECTOR32':     0x3A,
-    'BRK64':        0x3C,
-}
-
-# From include/uapi/linux/kvm.h, KVM_EXIT_xxx
-USERSPACE_EXIT_REASONS = {
-    'UNKNOWN':          0,
-    'EXCEPTION':        1,
-    'IO':               2,
-    'HYPERCALL':        3,
-    'DEBUG':            4,
-    'HLT':              5,
-    'MMIO':             6,
-    'IRQ_WINDOW_OPEN':  7,
-    'SHUTDOWN':         8,
-    'FAIL_ENTRY':       9,
-    'INTR':             10,
-    'SET_TPR':          11,
-    'TPR_ACCESS':       12,
-    'S390_SIEIC':       13,
-    'S390_RESET':       14,
-    'DCR':              15,
-    'NMI':              16,
-    'INTERNAL_ERROR':   17,
-    'OSI':              18,
-    'PAPR_HCALL':       19,
-    'S390_UCONTROL':    20,
-    'WATCHDOG':         21,
-    'S390_TSCH':        22,
-    'EPR':              23,
-    'SYSTEM_EVENT':     24,
-}
-
-IOCTL_NUMBERS = {
-    'SET_FILTER':  0x40082406,
-    'ENABLE':      0x00002400,
-    'DISABLE':     0x00002401,
-    'RESET':       0x00002403,
-}
-
-class Arch(object):
-    """Class that encapsulates global architecture specific data like
-    syscall and ioctl numbers.
-
-    """
-    @staticmethod
-    def get_arch():
-        machine = os.uname()[4]
-
-        if machine.startswith('ppc'):
-            return ArchPPC()
-        elif machine.startswith('aarch64'):
-            return ArchA64()
-        elif machine.startswith('s390'):
-            return ArchS390()
-        else:
-            # X86_64
-            for line in open('/proc/cpuinfo'):
-                if not line.startswith('flags'):
-                    continue
-
-                flags = line.split()
-                if 'vmx' in flags:
-                    return ArchX86(VMX_EXIT_REASONS)
-                if 'svm' in flags:
-                    return ArchX86(SVM_EXIT_REASONS)
-                return
-
-class ArchX86(Arch):
-    def __init__(self, exit_reasons):
-        self.sc_perf_evt_open = 298
-        self.ioctl_numbers = IOCTL_NUMBERS
-        self.exit_reasons = exit_reasons
-
-class ArchPPC(Arch):
-    def __init__(self):
-        self.sc_perf_evt_open = 319
-        self.ioctl_numbers = IOCTL_NUMBERS
-        self.ioctl_numbers['ENABLE'] = 0x20002400
-        self.ioctl_numbers['DISABLE'] = 0x20002401
-
-        # PPC comes in 32 and 64 bit and some generated ioctl
-        # numbers depend on the wordsize.
-        char_ptr_size = ctypes.sizeof(ctypes.c_char_p)
-        self.ioctl_numbers['SET_FILTER'] = 0x80002406 | char_ptr_size << 16
-
-class ArchA64(Arch):
-    def __init__(self):
-        self.sc_perf_evt_open = 241
-        self.ioctl_numbers = IOCTL_NUMBERS
-        self.exit_reasons = AARCH64_EXIT_REASONS
-
-class ArchS390(Arch):
-    def __init__(self):
-        self.sc_perf_evt_open = 331
-        self.ioctl_numbers = IOCTL_NUMBERS
-        self.exit_reasons = None
-
-ARCH = Arch.get_arch()
-
-
-def walkdir(path):
-    """Returns os.walk() data for specified directory.
-
-    As it is only a wrapper it returns the same 3-tuple of (dirpath,
-    dirnames, filenames).
-    """
-    return next(os.walk(path))
-
-
-def parse_int_list(list_string):
-    """Returns an int list from a string of comma separated integers and
-    integer ranges."""
-    integers = []
-    members = list_string.split(',')
-
-    for member in members:
-        if '-' not in member:
-            integers.append(int(member))
-        else:
-            int_range = member.split('-')
-            integers.extend(range(int(int_range[0]),
-                                  int(int_range[1]) + 1))
-
-    return integers
-
-
-def get_online_cpus():
-    with open('/sys/devices/system/cpu/online') as cpu_list:
-        cpu_string = cpu_list.readline()
-        return parse_int_list(cpu_string)
-
-
-def get_filters():
-    filters = {}
-    filters['kvm_userspace_exit'] = ('reason', USERSPACE_EXIT_REASONS)
-    if ARCH.exit_reasons:
-        filters['kvm_exit'] = ('exit_reason', ARCH.exit_reasons)
-    return filters
-
-libc = ctypes.CDLL('libc.so.6', use_errno=True)
-syscall = libc.syscall
-
-class perf_event_attr(ctypes.Structure):
-    _fields_ = [('type', ctypes.c_uint32),
-                ('size', ctypes.c_uint32),
-                ('config', ctypes.c_uint64),
-                ('sample_freq', ctypes.c_uint64),
-                ('sample_type', ctypes.c_uint64),
-                ('read_format', ctypes.c_uint64),
-                ('flags', ctypes.c_uint64),
-                ('wakeup_events', ctypes.c_uint32),
-                ('bp_type', ctypes.c_uint32),
-                ('bp_addr', ctypes.c_uint64),
-                ('bp_len', ctypes.c_uint64),
-                ]
-
-    def __init__(self):
-        super(self.__class__, self).__init__()
-        self.type = PERF_TYPE_TRACEPOINT
-        self.size = ctypes.sizeof(self)
-        self.read_format = PERF_FORMAT_GROUP
-
-def perf_event_open(attr, pid, cpu, group_fd, flags):
-    return syscall(ARCH.sc_perf_evt_open, ctypes.pointer(attr),
-                   ctypes.c_int(pid), ctypes.c_int(cpu),
-                   ctypes.c_int(group_fd), ctypes.c_long(flags))
-
-PERF_TYPE_TRACEPOINT = 2
-PERF_FORMAT_GROUP = 1 << 3
-
-PATH_DEBUGFS_TRACING = '/sys/kernel/debug/tracing'
-PATH_DEBUGFS_KVM = '/sys/kernel/debug/kvm'
-
-class Group(object):
-    def __init__(self):
-        self.events = []
-
-    def add_event(self, event):
-        self.events.append(event)
-
-    def read(self):
-        length = 8 * (1 + len(self.events))
-        read_format = 'xxxxxxxx' + 'Q' * len(self.events)
-        return dict(zip([event.name for event in self.events],
-                        struct.unpack(read_format,
-                                      os.read(self.events[0].fd, length))))
-
-class Event(object):
-    def __init__(self, name, group, trace_cpu, trace_point, trace_filter,
-                 trace_set='kvm'):
-        self.name = name
-        self.fd = None
-        self.setup_event(group, trace_cpu, trace_point, trace_filter,
-                         trace_set)
-
-    def setup_event_attribute(self, trace_set, trace_point):
-        id_path = os.path.join(PATH_DEBUGFS_TRACING, 'events', trace_set,
-                               trace_point, 'id')
-
-        event_attr = perf_event_attr()
-        event_attr.config = int(open(id_path).read())
-        return event_attr
-
-    def setup_event(self, group, trace_cpu, trace_point, trace_filter,
-                    trace_set):
-        event_attr = self.setup_event_attribute(trace_set, trace_point)
-
-        group_leader = -1
-        if group.events:
-            group_leader = group.events[0].fd
-
-        fd = perf_event_open(event_attr, -1, trace_cpu,
-                             group_leader, 0)
-        if fd == -1:
-            err = ctypes.get_errno()
-            raise OSError(err, os.strerror(err),
-                          'while calling sys_perf_event_open().')
-
-        if trace_filter:
-            fcntl.ioctl(fd, ARCH.ioctl_numbers['SET_FILTER'],
-                        trace_filter)
-
-        self.fd = fd
-
-    def enable(self):
-        fcntl.ioctl(self.fd, ARCH.ioctl_numbers['ENABLE'], 0)
-
-    def disable(self):
-        fcntl.ioctl(self.fd, ARCH.ioctl_numbers['DISABLE'], 0)
-
-    def reset(self):
-        fcntl.ioctl(self.fd, ARCH.ioctl_numbers['RESET'], 0)
-
-class TracepointProvider(object):
-    def __init__(self):
-        self.group_leaders = []
-        self.filters = get_filters()
-        self._fields = self.get_available_fields()
-        self.setup_traces()
-        self.fields = self._fields
-
-    def get_available_fields(self):
-        path = os.path.join(PATH_DEBUGFS_TRACING, 'events', 'kvm')
-        fields = walkdir(path)[1]
-        extra = []
-        for field in fields:
-            if field in self.filters:
-                filter_name_, filter_dicts = self.filters[field]
-                for name in filter_dicts:
-                    extra.append(field + '(' + name + ')')
-        fields += extra
-        return fields
-
-    def setup_traces(self):
-        cpus = get_online_cpus()
-
-        # The constant is needed as a buffer for python libs, std
-        # streams and other files that the script opens.
-        newlim = len(cpus) * len(self._fields) + 50
-        try:
-            softlim_, hardlim = resource.getrlimit(resource.RLIMIT_NOFILE)
-
-            if hardlim < newlim:
-                # Now we need CAP_SYS_RESOURCE, to increase the hard limit.
-                resource.setrlimit(resource.RLIMIT_NOFILE, (newlim, newlim))
-            else:
-                # Raising the soft limit is sufficient.
-                resource.setrlimit(resource.RLIMIT_NOFILE, (newlim, hardlim))
-
-        except ValueError:
-            sys.exit("NOFILE rlimit could not be raised to {0}".format(newlim))
-
-        for cpu in cpus:
-            group = Group()
-            for name in self._fields:
-                tracepoint = name
-                tracefilter = None
-                match = re.match(r'(.*)\((.*)\)', name)
-                if match:
-                    tracepoint, sub = match.groups()
-                    tracefilter = ('%s==%d\0' %
-                                   (self.filters[tracepoint][0],
-                                    self.filters[tracepoint][1][sub]))
-
-                group.add_event(Event(name=name,
-                                      group=group,
-                                      trace_cpu=cpu,
-                                      trace_point=tracepoint,
-                                      trace_filter=tracefilter))
-            self.group_leaders.append(group)
-
-    def available_fields(self):
-        return self.get_available_fields()
-
-    @property
-    def fields(self):
-        return self._fields
-
-    @fields.setter
-    def fields(self, fields):
-        self._fields = fields
-        for group in self.group_leaders:
-            for index, event in enumerate(group.events):
-                if event.name in fields:
-                    event.reset()
-                    event.enable()
-                else:
-                    # Do not disable the group leader.
-                    # It would disable all of its events.
-                    if index != 0:
-                        event.disable()
-
-    def read(self):
-        ret = defaultdict(int)
-        for group in self.group_leaders:
-            for name, val in group.read().iteritems():
-                if name in self._fields:
-                    ret[name] += val
-        return ret
-
-class DebugfsProvider(object):
-    def __init__(self):
-        self._fields = self.get_available_fields()
-
-    def get_available_fields(self):
-        return walkdir(PATH_DEBUGFS_KVM)[2]
-
-    @property
-    def fields(self):
-        return self._fields
-
-    @fields.setter
-    def fields(self, fields):
-        self._fields = fields
-
-    def read(self):
-        def val(key):
-            return int(file(PATH_DEBUGFS_KVM + '/' + key).read())
-        return dict([(key, val(key)) for key in self._fields])
-
-class Stats(object):
-    def __init__(self, providers, fields=None):
-        self.providers = providers
-        self._fields_filter = fields
-        self.values = {}
-        self.update_provider_filters()
-
-    def update_provider_filters(self):
-        def wanted(key):
-            if not self._fields_filter:
-                return True
-            return re.match(self._fields_filter, key) is not None
-
-        # As we reset the counters when updating the fields we can
-        # also clear the cache of old values.
-        self.values = {}
-        for provider in self.providers:
-            provider_fields = [key for key in provider.get_available_fields()
-                               if wanted(key)]
-            provider.fields = provider_fields
-
-    @property
-    def fields_filter(self):
-        return self._fields_filter
-
-    @fields_filter.setter
-    def fields_filter(self, fields_filter):
-        self._fields_filter = fields_filter
-        self.update_provider_filters()
-
-    def get(self):
-        for provider in self.providers:
-            new = provider.read()
-            for key in provider.fields:
-                oldval = self.values.get(key, (0, 0))
-                newval = new.get(key, 0)
-                newdelta = None
-                if oldval is not None:
-                    newdelta = newval - oldval[0]
-                self.values[key] = (newval, newdelta)
-        return self.values
-
-LABEL_WIDTH = 40
-NUMBER_WIDTH = 10
-
-class Tui(object):
-    def __init__(self, stats):
-        self.stats = stats
-        self.screen = None
-        self.drilldown = False
-        self.update_drilldown()
-
-    def __enter__(self):
-        """Initialises curses for later use.  Based on curses.wrapper
-           implementation from the Python standard library."""
-        self.screen = curses.initscr()
-        curses.noecho()
-        curses.cbreak()
-
-        # The try/catch works around a minor bit of
-        # over-conscientiousness in the curses module, the error
-        # return from C start_color() is ignorable.
-        try:
-            curses.start_color()
-        except:
-            pass
-
-        curses.use_default_colors()
-        return self
-
-    def __exit__(self, *exception):
-        """Resets the terminal to its normal state.  Based on curses.wrappre
-           implementation from the Python standard library."""
-        if self.screen:
-            self.screen.keypad(0)
-            curses.echo()
-            curses.nocbreak()
-            curses.endwin()
-
-    def update_drilldown(self):
-        if not self.stats.fields_filter:
-            self.stats.fields_filter = r'^[^\(]*$'
-
-        elif self.stats.fields_filter == r'^[^\(]*$':
-            self.stats.fields_filter = None
-
-    def refresh(self, sleeptime):
-        self.screen.erase()
-        self.screen.addstr(0, 0, 'kvm statistics - summary', curses.A_BOLD)
-        self.screen.addstr(2, 1, 'Event')
-        self.screen.addstr(2, 1 + LABEL_WIDTH + NUMBER_WIDTH -
-                           len('Total'), 'Total')
-        self.screen.addstr(2, 1 + LABEL_WIDTH + NUMBER_WIDTH + 8 -
-                           len('Current'), 'Current')
-        row = 3
-        stats = self.stats.get()
-        def sortkey(x):
-            if stats[x][1]:
-                return (-stats[x][1], -stats[x][0])
-            else:
-                return (0, -stats[x][0])
-        for key in sorted(stats.keys(), key=sortkey):
-
-            if row >= self.screen.getmaxyx()[0]:
-                break
-            values = stats[key]
-            if not values[0] and not values[1]:
-                break
-            col = 1
-            self.screen.addstr(row, col, key)
-            col += LABEL_WIDTH
-            self.screen.addstr(row, col, '%10d' % (values[0],))
-            col += NUMBER_WIDTH
-            if values[1] is not None:
-                self.screen.addstr(row, col, '%8d' % (values[1] / sleeptime,))
-            row += 1
-        self.screen.refresh()
-
-    def show_filter_selection(self):
-        while True:
-            self.screen.erase()
-            self.screen.addstr(0, 0,
-                               "Show statistics for events matching a regex.",
-                               curses.A_BOLD)
-            self.screen.addstr(2, 0,
-                               "Current regex: {0}"
-                               .format(self.stats.fields_filter))
-            self.screen.addstr(3, 0, "New regex: ")
-            curses.echo()
-            regex = self.screen.getstr()
-            curses.noecho()
-            if len(regex) == 0:
-                return
-            try:
-                re.compile(regex)
-                self.stats.fields_filter = regex
-                return
-            except re.error:
-                continue
-
-    def show_stats(self):
-        sleeptime = 0.25
-        while True:
-            self.refresh(sleeptime)
-            curses.halfdelay(int(sleeptime * 10))
-            sleeptime = 3
-            try:
-                char = self.screen.getkey()
-                if char == 'x':
-                    self.drilldown = not self.drilldown
-                    self.update_drilldown()
-                if char == 'q':
-                    break
-                if char == 'f':
-                    self.show_filter_selection()
-            except KeyboardInterrupt:
-                break
-            except curses.error:
-                continue
-
-def batch(stats):
-    s = stats.get()
-    time.sleep(1)
-    s = stats.get()
-    for key in sorted(s.keys()):
-        values = s[key]
-        print '%-42s%10d%10d' % (key, values[0], values[1])
-
-def log(stats):
-    keys = sorted(stats.get().iterkeys())
-    def banner():
-        for k in keys:
-            print '%s' % k,
-        print
-    def statline():
-        s = stats.get()
-        for k in keys:
-            print ' %9d' % s[k][1],
-        print
-    line = 0
-    banner_repeat = 20
-    while True:
-        time.sleep(1)
-        if line % banner_repeat == 0:
-            banner()
-        statline()
-        line += 1
-
-def get_options():
-    description_text = """
-This script displays various statistics about VMs running under KVM.
-The statistics are gathered from the KVM debugfs entries and / or the
-currently available perf traces.
-
-The monitoring takes additional cpu cycles and might affect the VM's
-performance.
-
-Requirements:
-- Access to:
-    /sys/kernel/debug/kvm
-    /sys/kernel/debug/trace/events/*
-    /proc/pid/task
-- /proc/sys/kernel/perf_event_paranoid < 1 if user has no
-  CAP_SYS_ADMIN and perf events are used.
-- CAP_SYS_RESOURCE if the hard limit is not high enough to allow
-  the large number of files that are possibly opened.
-"""
-
-    class PlainHelpFormatter(optparse.IndentedHelpFormatter):
-        def format_description(self, description):
-            if description:
-                return description + "\n"
-            else:
-                return ""
-
-    optparser = optparse.OptionParser(description=description_text,
-                                      formatter=PlainHelpFormatter())
-    optparser.add_option('-1', '--once', '--batch',
-                         action='store_true',
-                         default=False,
-                         dest='once',
-                         help='run in batch mode for one second',
-                         )
-    optparser.add_option('-l', '--log',
-                         action='store_true',
-                         default=False,
-                         dest='log',
-                         help='run in logging mode (like vmstat)',
-                         )
-    optparser.add_option('-t', '--tracepoints',
-                         action='store_true',
-                         default=False,
-                         dest='tracepoints',
-                         help='retrieve statistics from tracepoints',
-                         )
-    optparser.add_option('-d', '--debugfs',
-                         action='store_true',
-                         default=False,
-                         dest='debugfs',
-                         help='retrieve statistics from debugfs',
-                         )
-    optparser.add_option('-f', '--fields',
-                         action='store',
-                         default=None,
-                         dest='fields',
-                         help='fields to display (regex)',
-                         )
-    (options, _) = optparser.parse_args(sys.argv)
-    return options
-
-def get_providers(options):
-    providers = []
-
-    if options.tracepoints:
-        providers.append(TracepointProvider())
-    if options.debugfs:
-        providers.append(DebugfsProvider())
-    if len(providers) == 0:
-        providers.append(TracepointProvider())
-
-    return providers
-
-def check_access(options):
-    if not os.path.exists('/sys/kernel/debug'):
-        sys.stderr.write('Please enable CONFIG_DEBUG_FS in your kernel.')
-        sys.exit(1)
-
-    if not os.path.exists(PATH_DEBUGFS_KVM):
-        sys.stderr.write("Please make sure, that debugfs is mounted and "
-                         "readable by the current user:\n"
-                         "('mount -t debugfs debugfs /sys/kernel/debug')\n"
-                         "Also ensure, that the kvm modules are loaded.\n")
-        sys.exit(1)
-
-    if not os.path.exists(PATH_DEBUGFS_TRACING) and (options.tracepoints
-                                                     or not options.debugfs):
-        sys.stderr.write("Please enable CONFIG_TRACING in your kernel "
-                         "when using the option -t (default).\n"
-                         "If it is enabled, make {0} readable by the "
-                         "current user.\n"
-                         .format(PATH_DEBUGFS_TRACING))
-        if options.tracepoints:
-            sys.exit(1)
-
-        sys.stderr.write("Falling back to debugfs statistics!\n")
-        options.debugfs = True
-        sleep(5)
-
-    return options
-
-def main():
-    options = get_options()
-    options = check_access(options)
-    providers = get_providers(options)
-    stats = Stats(providers, fields=options.fields)
-
-    if options.log:
-        log(stats)
-    elif not options.once:
-        with Tui(stats) as tui:
-            tui.show_stats()
-    else:
-        batch(stats)
-
-if __name__ == "__main__":
-    main()
diff --git a/scripts/kvm/kvm_stat.texi b/scripts/kvm/kvm_stat.texi
deleted file mode 100644
index 6ce00d8..0000000
--- a/scripts/kvm/kvm_stat.texi
+++ /dev/null
@@ -1,55 +0,0 @@
address@hidden
address@hidden man begin SYNOPSIS
-usage: kvm_stat [OPTION]...
address@hidden man end
address@hidden example
-
address@hidden man begin DESCRIPTION
-
-kvm_stat prints counts of KVM kernel module trace events.  These events signify
-state transitions such as guest mode entry and exit.
-
-This tool is useful for observing guest behavior from the host perspective.
-Often conclusions about performance or buggy behavior can be drawn from the
-output.
-
-The set of KVM kernel module trace events may be specific to the kernel version
-or architecture.  It is best to check the KVM kernel module source code for the
-meaning of events.
-
-Note that trace events are counted globally across all running guests.
-
address@hidden man end
-
address@hidden man begin OPTIONS
address@hidden @option
address@hidden -1, --once, --batch
-  run in batch mode for one second
address@hidden -l, --log
-  run in logging mode (like vmstat)
address@hidden -t, --tracepoints
-  retrieve statistics from tracepoints
address@hidden -d, --debugfs
-  retrieve statistics from debugfs
address@hidden -f, address@hidden
-  fields to display (regex)
address@hidden -h, --help
-  show help message
address@hidden table
-
address@hidden man end
-
address@hidden
-
address@hidden kvm_stat
address@hidden Report KVM kernel module event counters.
-
address@hidden man begin AUTHOR
-Stefan Hajnoczi <address@hidden>
address@hidden man end
-
address@hidden man begin SEEALSO
-perf(1), trace-cmd(1)
address@hidden man end
-
address@hidden ignore
-- 
2.5.5





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