Add lkvm detection

Signed-off-by: Andrew Jones <drjones@redhat.com>
(cherry picked from commit 18d21a55c9551b76f0cdb93cd8e7b127173f083b)

diff --git a/Makefile.am b/Makefile.am
index 1c14948..46ff548 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -46,6 +46,7 @@ TESTS = \
        tests/test-kvm.sh \
        tests/test-kvm-explicit-cpu.sh \
        tests/test-linux-vserver.sh \
+       tests/test-lkvm.sh \
        tests/test-lxc.sh \
        tests/test-lx86.sh \
        tests/test-parallels-desktop.sh \
@@ -95,6 +96,11 @@ EXTRA_DIST = \
        tests/linux-vserver/sbin/dmidecode \
        tests/linux-vserver/sbin/uname \
        tests/linux-vserver/sbin/virt-what-cpuid-helper \
+       tests/lkvm/proc/cpuinfo \
+       tests/lkvm/proc/self/status \
+       tests/lkvm/sbin/dmidecode \
+       tests/lkvm/sbin/uname \
+       tests/lkvm/sbin/virt-what-cpuid-helper \
        tests/lxc/proc/1/environ \
        tests/lxc/proc/cpuinfo \
        tests/lxc/proc/self/status \

diff --git a/tests/lkvm/proc/cpuinfo b/tests/lkvm/proc/cpuinfo
new file mode 100644 (file)
index 0000000..a53a4b9
--- /dev/null
+++ b/tests/lkvm/proc/cpuinfo
@@ -0,0 +1,19 @@
+processor      : 0
+vendor_id      : GenuineIntel
+cpu family     : 6
+model          : 15
+model name     : Intel(R) Core(TM)2 Duo CPU     T7700  @ 2.40GHz
+stepping       : 11
+cpu MHz                : 2659.998
+cache size     : 4096 KB
+fpu            : yes
+fpu_exception  : yes
+cpuid level    : 10
+wp             : yes
+flags          : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx lm constant_tsc up rep_good pni ssse3 cx16 hypervisor lahf_lm
+bogomips       : 5319.99
+clflush size   : 64
+cache_alignment        : 64
+address sizes  : 40 bits physical, 48 bits virtual
+power management:
+

diff --git a/tests/lkvm/proc/self/status b/tests/lkvm/proc/self/status
new file mode 100644 (file)
index 0000000..264981d
--- /dev/null
+++ b/tests/lkvm/proc/self/status
@@ -0,0 +1,39 @@
+Name:  cat
+State: R (running)
+Tgid:  1618
+Pid:   1618
+PPid:  1609
+TracerPid:     0
+Uid:   0       0       0       0
+Gid:   0       0       0       0
+Utrace:        0
+FDSize:        256
+Groups:        0 1 2 3 4 6 10 
+VmPeak:          101012 kB
+VmSize:          101012 kB
+VmLck:        0 kB
+VmHWM:      472 kB
+VmRSS:      472 kB
+VmData:             184 kB
+VmStk:      136 kB
+VmExe:       44 kB
+VmLib:     1728 kB
+VmPTE:       44 kB
+VmSwap:               0 kB
+Threads:       1
+SigQ:  0/7858
+SigPnd:        0000000000000000
+ShdPnd:        0000000000000000
+SigBlk:        0000000000000000
+SigIgn:        0000000000000000
+SigCgt:        0000000000000000
+CapInh:        0000000000000000
+CapPrm:        ffffffffffffffff
+CapEff:        ffffffffffffffff
+CapBnd:        ffffffffffffffff
+Cpus_allowed:  1
+Cpus_allowed_list:     0
+Mems_allowed:  00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001
+Mems_allowed_list:     0
+voluntary_ctxt_switches:       0
+nonvoluntary_ctxt_switches:    1

diff --git a/tests/lkvm/sbin/dmidecode b/tests/lkvm/sbin/dmidecode
new file mode 100755 (executable)
index 0000000..e53c12f
--- /dev/null
+++ b/tests/lkvm/sbin/dmidecode
@@ -0,0 +1,2 @@
+#!/bin/sh -
+exit 1

diff --git a/tests/lkvm/sbin/uname b/tests/lkvm/sbin/uname
new file mode 100755 (executable)
index 0000000..ab0ec89
--- /dev/null
+++ b/tests/lkvm/sbin/uname
@@ -0,0 +1,2 @@
+#!/bin/sh -
+echo x86_64

diff --git a/tests/lkvm/sbin/virt-what-cpuid-helper b/tests/lkvm/sbin/virt-what-cpuid-helper
new file mode 100755 (executable)
index 0000000..2b068cd
--- /dev/null
+++ b/tests/lkvm/sbin/virt-what-cpuid-helper
@@ -0,0 +1,2 @@
+#!/bin/sh -
+echo LKVMLKVMLKVM

diff --git a/tests/test-lkvm.sh b/tests/test-lkvm.sh
new file mode 100755 (executable)
index 0000000..6eb326c
--- /dev/null
+++ b/tests/test-lkvm.sh
@@ -0,0 +1,34 @@
+# Test for LKVM
+# Copyright (C) 2015 Red Hat Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+root=tests/lkvm
+
+output="$(./virt-what --test-root=$root 2>&1)"
+expected="lkvm"
+
+if [ "$output" != "$expected" ]; then
+    echo "$0: test failed because output did not match expected"
+    echo "Expected output was:"
+    echo "----------------------------------------"
+    echo "$expected"
+    echo "----------------------------------------"
+    echo "But the actual output of the program was:"
+    echo "----------------------------------------"
+    echo "$output"
+    echo "----------------------------------------"
+    exit 1
+fi

diff --git a/virt-what.in b/virt-what.in
index 0770070..ed08dae 100644 (file)
--- a/virt-what.in
+++ b/virt-what.in
@@ -30,6 +30,7 @@
 set -u
 root=''
 skip_qemu_kvm=false
+skip_lkvm=false
 
 VERSION="@VERSION@"
 
@@ -215,6 +216,7 @@ elif [ -d "${root}/proc/xen" ]; then
         echo xen-domU
     fi
     skip_qemu_kvm=true
+    skip_lkvm=true
 elif [ -f "${root}/sys/hypervisor/type" ] &&
     grep -q "xen" "${root}/sys/hypervisor/type"; then
     # Ordinary kernel with pv_ops.  There does not seem to be
@@ -259,6 +261,12 @@ if ! "$skip_qemu_kvm"; then
     fi
 fi
 
+if ! "$skip_lkvm"; then
+    if [ "$cpuid" = "LKVMLKVMLKVM" ]; then
+        echo lkvm
+    fi
+fi
+
 # Check for Docker.
 if [ -f "${root}/.dockerinit" ]; then
        echo docker

diff --git a/virt-what.pod b/virt-what.pod
index 8fd9bc4..0e2e8a5 100644 (file)
--- a/virt-what.pod
+++ b/virt-what.pod
@@ -101,6 +101,14 @@ instead.
 
 Status: confirmed by RWMJ.
 
+=item B<lkvm>
+
+This guest is running on the KVM hypervisor using hardware
+acceleration, and the userspace component of the hypervisor
+is lkvm (a.k.a kvmtool).
+
+Status: contributed by Andrew Jones
+
 =item B<openvz>
 
 The guest appears to be running inside an OpenVZ or Virtuozzo