linux/kernel
Ingo Molnar 07031e14c1 [PATCH] KVM: add VM-exit profiling
This adds the profile=kvm boot option, which enables KVM to profile VM
exits.

Use: "readprofile -m ./System.map | sort -n" to see the resulting
output:

   [...]
   18246 serial_out                               148.3415
   18945 native_flush_tlb                         378.9000
   23618 serial_in                                212.7748
   29279 __spin_unlock_irq                        622.9574
   43447 native_apic_write                        2068.9048
   52702 enable_8259A_irq                         742.2817
   54250 vgacon_scroll                             89.3740
   67394 ide_inb                                  6126.7273
   79514 copy_page_range                           98.1654
   84868 do_wp_page                                86.6000
  140266 pit_read                                 783.6089
  151436 ide_outb                                 25239.3333
  152668 native_io_delay                          21809.7143
  174783 mask_and_ack_8259A                       783.7803
  362404 native_set_pte_at                        36240.4000
 1688747 total                                      0.5009

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-11 18:18:21 -08:00
..
irq [PATCH] x86-64: Make noirqdebug_setup function non init to fix modpost warning 2007-01-11 01:52:44 +01:00
power [PATCH] swsusp: Do not fail if resume device is not set 2007-01-05 23:55:22 -08:00
time
.gitignore
acct.c
audit.c
audit.h
auditfilter.c [PATCH] audit: fix kstrdup() error check 2006-12-22 08:55:49 -08:00
auditsc.c
capability.c
compat.c
configs.c
cpu.c [PATCH] Change cpu_up and co from __devinit to __cpuinit 2007-01-11 18:18:20 -08:00
cpuset.c [PATCH] cpuset procfs warning fix 2006-12-30 10:56:43 -08:00
delayacct.c
dma.c
exec_domain.c
exit.c [PATCH] restore ->pdeath_signal behaviour 2006-12-31 14:41:18 -08:00
extable.c
fork.c
futex_compat.c
futex.c
hrtimer.c
itimer.c
kallsyms.c
Kconfig.hz
Kconfig.preempt
kexec.c
kfifo.c
kmod.c
kprobes.c
ksysfs.c
kthread.c
latency.c
lockdep_internals.h
lockdep_proc.c
lockdep.c [PATCH] lockdep: printk warning fix 2006-12-30 10:56:43 -08:00
Makefile
module.c [PATCH] Driver core: Fix prefix driver links in /sys/module by bus-name 2007-01-05 12:33:38 -08:00
mutex-debug.c
mutex-debug.h
mutex.c
mutex.h
nsproxy.c
panic.c
params.c [PATCH] kernelparams: detect if and which parameter parsing enabled irq's 2007-01-05 23:55:21 -08:00
pid.c
posix-cpu-timers.c
posix-timers.c
printk.c [PATCH] make kernel/printk.c:ignore_loglevel_setup() static 2006-12-22 08:55:47 -08:00
profile.c [PATCH] KVM: add VM-exit profiling 2007-01-11 18:18:21 -08:00
ptrace.c
rcupdate.c
rcutorture.c [PATCH] rcu: rcutorture suspend fix 2006-12-30 10:55:55 -08:00
relay.c [PATCH] relay: remove inlining 2006-12-22 08:55:51 -08:00
resource.c
rtmutex_common.h
rtmutex-debug.c
rtmutex-debug.h
rtmutex-tester.c
rtmutex.c
rtmutex.h
rwsem.c
sched.c [PATCH] sched: tasks cannot run on cpus onlined after boot 2007-01-11 18:18:20 -08:00
seccomp.c
signal.c
softirq.c
softlockup.c
spinlock.c
srcu.c
stacktrace.c
stop_machine.c
sys_ni.c
sys.c
sysctl.c
taskstats.c
time.c
timer.c [PATCH] schedule_timeout(): improve warning message 2006-12-22 08:55:49 -08:00
tsacct.c
uid16.c
user.c
utsname.c
wait.c
workqueue.c [PATCH] fix kernel-doc warnings in 2.6.20-rc1 2006-12-22 08:55:47 -08:00