Merge run time accounting changes from the vmlocking branch. These make
the LWP "start time" per-thread instead of per-CPU.

In /proc/<pid>/statm, avoid leaking buffer space if the attempt to get
vmspace information fails.

Return the nice value properly to userland via the /proc/<pid>/stat entry.

Use vm sizes from vmspac

In /proc/<pid>/statm, avoid leaking buffer space if the attempt to get
vmspace information fails.

Return the nice value properly to userland via the /proc/<pid>/stat entry.

Use vm sizes from vmspace, rather than rusage structs, for the same
reasons as mentioned previously - see the comment in
kvm_proc.c::kvm_getproc2() about rusage values and zombie processes.

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Use a bit more common code for the MULTIPROCESSOR and !MULTIPROCESSOR
cases.

Use the lwp's priority when returning the priority value, rather than
returning the nice value.

Various changes for better Linux emulation:

+ in /proc/<pid>/statm emulation, use the memory values from vmspace,
rather than struct rusage, since the rusage values appear to be 0 for
all processes

Various changes for better Linux emulation:

+ in /proc/<pid>/statm emulation, use the memory values from vmspace,
rather than struct rusage, since the rusage values appear to be 0 for
all processes except zombies. cf dsl's comment in
kvm_proc.c::kvm_getproc2()

+ in /proc/<pid>/stat, instead of returning the tv_sec value, return the
number of ticks we've had (roughly equivalent to the Linux jiffies).
Calculate these values from the tv_usec values.

Also:

+ enclose CPU_INFO_ITERATOR and CPU_INFO_FOREACH usage in #ifdef
MULTIPROCESSOR, at the request of Nick Hudson

Together, these changes allow htop to work on NetBSD.

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use PRIu64, not llu, to unbork on 64-bit platforms.

Extend the Linux emulation of /proc to include

/proc/stat
/proc/loadavg and
/proc/<pid>/statm.

These are only present when -o linux is specified as a mount option
to procfs.

Factor out some com

Extend the Linux emulation of /proc to include

/proc/stat
/proc/loadavg and
/proc/<pid>/statm.

These are only present when -o linux is specified as a mount option
to procfs.

Factor out some common code so that it can be used by a number of
functions.

XXX The values returned in the statm emulation need to be verified.

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return a page less than the actual top of stack so that linux-java works.

- Make the proclist_lock a mutex. The write:read ratio is unfavourable,
and mutexes are cheaper use than RW locks.
- LOCK_ASSERT -> KASSERT in some places.
- Hold proclist_lock/kernel_lock longer i

- Make the proclist_lock a mutex. The write:read ratio is unfavourable,
and mutexes are cheaper use than RW locks.
- LOCK_ASSERT -> KASSERT in some places.
- Hold proclist_lock/kernel_lock longer in a couple of places.

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Merge newlock2 to head.

Add two comments. No functional change.

__unused removal on arguments; approved by core.

don't allocate large buffers on the stack.

PR/34888: Nicolas Joly: kernel panic while trying to access
/emul/linux/proc/0/stat

Patch applied, thanks for the report!

- sprinkle __unused on function decls.
- fix a couple of unused bugs
- no more -Wno-unused for i386

Emulate Linux's /proc/devices

PR/33815: Nicolas Joly: /emul/linux/proc/#/stat always report current
process status

merge ktrace-lwp.

- sprinkle const
- avoid shadowed variables.

Remove bogus len setting noted by J. Chapman Flack.

Give more space for cpu info and allocate it dynamically.

nuke trailing whitespace

add 'mounts' file for -o linux, which lists all currently mounted
filesystems; Linux glibc statvfs() uses this to get some of mount flags,
and this file is also useful as /emul/linux/etc/mtab (via sy

add 'mounts' file for -o linux, which lists all currently mounted
filesystems; Linux glibc statvfs() uses this to get some of mount flags,
and this file is also useful as /emul/linux/etc/mtab (via symlink)

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Do previous slightly differently - just pass a struct lwp * and derive the
struct proc *.

OK'd by Jaromir.

fix process used for /proc/<pid>/stat contents - it should be process
<pid>, not the current process looking at the information

sprintf -> snprintf