| Commit message (Collapse) | Author | Age | Files | Lines |
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rather than hex.
Requested by: rwatson
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multithreaded instead of picking the time of the first thread found.
Reviewed by: jhb
Approved by: kan (mentor)
MFC after: 1 month
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is redundant (I think it's a leftover from an older implementation).
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writing outside of array bounds. This fully fixes -P display on
i386, where kern.cp_times prints zeroes for non-existing CPUs.
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The bug was unnoticed on non-i386 because mp_maxid is
initialized differently, kern.cp_times doesn't print
zeroes for non-existing CPUs, so no "writing outside of
array bounds" happens.
MFC after: 3 days
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our own.
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Submitted by: David Frascone <dave@frascone.com>
PR: 119490
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kthread_add() takes the same parameters as the old kthread_create()
plus a pointer to a process structure, and adds a kernel thread
to that process.
kproc_kthread_add() takes the parameters for kthread_add,
plus a process name and a pointer to a pointer to a process instead of just
a pointer, and if the proc * is NULL, it creates the process to the
specifications required, before adding the thread to it.
All other old kthread_xxx() calls return, but act on (struct thread *)
instead of (struct proc *). One reason to change the name is so that
any old kernel modules that are lying around and expect kthread_create()
to make a process will not just accidentally link.
fix top to show kernel threads by their thread name in -SH mode
add a tdnam formatting option to ps to show thread names.
make all idle threads actual kthreads and put them into their own idled process.
make all interrupt threads kthreads and put them in an interd process
(mainly for aesthetic and accounting reasons)
rename proc 0 to be 'kernel' and it's swapper thread is now 'swapper'
man page fixes to follow.
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- p_sflag was mostly protected by PROC_LOCK rather than the PROC_SLOCK or
previously the sched_lock. These bugs have existed for some time.
- Allow swapout to try each thread in a process individually and then
swapin the whole process if any of these fail. This allows us to move
most scheduler related swap flags into td_flags.
- Keep ki_sflag for backwards compat but change all in source tools to
use the new and more correct location of P_INMEM.
Reported by: pho
Reviewed by: attilio, kib
Approved by: re (kensmith)
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the cache queue.
Submitted by: alc
Approved by: re (kensmith)
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description of the "Inact" memory. (They count pages in
the cache/inactive page queues, respectively.)
Approved by: re (kensmith)
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priorities, etc.) in the NICE field:
Use a combination of pri_native and pri_user instead of pri_level to
guess the original realtime priority. Using pri_level here has been
wrong since 2001/02/12. Using only pri_native here would be correct
if the kernel actually initialized it reasonably. (The kernel exports
its raw td_base_priority as pri_native, but userland mostly wants a
refined base priority). Give up on waiting pri_native to work correctly
and only use it when there is nothing better (for kthreads).
This should reduce printing of bizarre pseudo-nice values. Bizarre
values are still printed if we observe a transient borrowed priority
for a kthread (transient borrowing is the main thing that makes the
raw td_base_priority almost useless in userland), or if there is a
kernel bug. One current kernel bug involves the kernel idprio thread
pagezero permanently changing its priority from PRI_MAX_IDLE (255) to
PUSER (160). Then the bizarre value "ki-6" is printed instead of
"ki31". Here "-6" is PRI_MIN_IDLE - PUSER = -64 truncated to 2
characters. We are observing a transient borrowed priority that has
become permanent due to a bug.
ps/print.c:priorityr() needs similar changes (including ones in stage 2
here).
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each process.
- While I'm here, keep help message sorted by keys
PR: 98489, 98975
Submitted by: clsung
Approved by: delphij (mentor)
MFC after: 2 weeks
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titles extracted from argv vector instead of the real executable names.
This is useful when you want to watch applications that set their status
information via setproctitle(3).
Approved by: alfred
MFC after: 2 weeks
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contains a sigdec[] vector of structures, but the generated output is
missing braces around the initializer of each struct, which
triggers warnings in WARNS=3:
src/usr.bin/top/sigdesc.h:10: warning: missing braces around initializer
src/usr.bin/top/sigdesc.h:10: warning: (near initialization for `sigdesc[0]')
* Fix the sigconv.awk script to generate a header with initializers
which look better.
* Add rules to usr.bin/top/Makefile that rebuilds a new sigconv.h
header which matches the correct signal set from the build-time
version of `${DESTDIR}/usr/include/signal.h' (so sigconv.h doesn't
get stale once changes are made to the header).
* Remove the old sigconv.h header, now that it is autoupdated at
build time.
* Various Makefile style fixes (the committed Makefile was kindly
submitted by Ruslan):
- Reorder .PATH, PROG, SRCS and CFLAGS to match style.Makefile(5)
- Split off the generated sources (sigdesc.h top.local.h) in an
SRCS+= line of their own.
- Add entries to CLEANFILES near the rules that generate the
respective files.
- Move the explicit rule which builds top.1 after the implicit
rules which generate its dependencies.
Reviewed by: ru, bde
Submitted by: ru (Makefile)
MFC after: 2 weeks
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priority class and use this to:
- print "-" instead of a garbage value for ithreads. Print "-" instead
of the unused nice value for kthreads which are (mis)classified as
PRI_TIMESHARE. For such threads, the nice value can be set to nonzero
by root, but it is never used (at least by the 4bsd scheduler). For
ithreads, we didn't even print the unused value.
- print "i<priority>" and "r<priority>" instead of a biased "<priority>"
for idletime and realtime threads, Here <priority> is the priority
parameter to idprio/rtprio(1). Just add the prefix and remove the
bias for now. <priority> has been stored indirectly in the kernel
since 2001/02/12, and even the kernel cannot recover the original
value in all cases. Here we need to handle more cases than pri_to_rtp(),
but actually handle fewer cases, and end up printing garbage after
a thread changes its current priority while in the kernel.
- for idletime and realtime threads, if they are kthreads then add a prefix
of "k" to the previous string.
- for idletime and realtime threads, if they in the FIFO scheduling class
then add a suffix of "F" to the previous string (if it fits; the other
parts of the string are sure to fit unless <priority> is garbage).
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machine.c. The traditional condition was (pctcpu > 0 || SRUN), but the
negation of the condition logic (from select to skip) made this come
out as (pctcpu > 0 && SRUN), leading to a very erratic display, except
for purely CPU bound processes.
This has been discussed in the mail lists some time ago and I have used
top with this patch on my systems for more than a year without problems
(just forgot to commit it earlier, since my systems were all fixed ...).
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so that it can be more easily unbroken and extended.
Try to use `static', `const' (as appropriate), prototypes declared together,
and parameter names in prototypes for all private functions, not just the
new one.
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last version and (2) remove a disabled debugging fprintf() that I
accidentally committed here.
Noticed by: simon (2)
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command that toggles between the two and update the ORDER_PCTCPU()
macro to sort correctly by the visible "cpu" value.
This saves 6 more columns in 80-column terminals, making things a lot
better for the COMMAND column.
Tested on: i386, sparc64 (panther), amd64 (sledge)
Approved by: davidxu (in principle)
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there are users on the system (even if not running a single process)
with a login > 8 chars.
I'm not all that happy limiting the username width like this, but it
restores sanity to top(1) output.
Discussed with: keramida
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of lines in SMP machines (which are wider), until we have a better way
of handling window sizes & columns in top.
Caught by: ache, Andre Guibert de Bruet <andy@siliconlandmark.com>
Point hat: keramida
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threads a process has. The THR column is disabled and disappears
when 'H' is hit, because then every thread gets its own output line.
- Allow sorting processes by "threads".
Approved by: davidxu
Inspired by: Jiawei Ye <leafy7382@gmail.com>
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example) view io stats while sorting by process size. Also adds
voluntary and involuntary context-switch stats to the io page because
there was lots of room.
Submitted by: Dan Nelson dnelson at allantgroup.com
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revisions ago)
Submitted by: Alex Vasylenko <lxv@omut.org>
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computing the io statistics over and over not as expensive.
This is a bit of a cop out, as I should just allocate a struct with
the computed values, but this will do for now.
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the -m "io" mode of top.
Approved by: alfred
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commit.
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all it does is provide broken prototypes for standard library functions.
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process filtering logic to prevent this from happening again.
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TODO: Show system totals.
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are doing. Toggle this mode by hitting "m" or passing the command line
option "-m io" to top(1). This allows one to identify disk bandwidth
hogs much easier.
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(and not thread) scope is to be displayed, use KERN_PROC_ALL and
accrue CPU% ourselves, as the kernel makes no attempt to do so.
Of course, this doesn't make most stats any less bogus when displaying
threaded processes, but at least the CPU time is added up and not just
always 0.00%. There are still issues with SCHED_ULE in top(1) that
cause other processes to display 0.00% CPU when they in fact have used
more.
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process. Option -H enables it and it is toggled at the interactive
screen by 'H'.
Submitted by: Jung-uk Kim <jkim@niksun.com>
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