155 lines
5.6 KiB
Plaintext
155 lines
5.6 KiB
Plaintext
-------------------------- general ------------------------
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Implement /usr/proc/bin tools like Solaris has.
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Don't these really belong in the procps package?
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killall pstree fuser lsof who
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(they are maintained elsewhere, which causes version problems)
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Cache results of dev_to_tty.
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---------------------- kernel -------------------------
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Add an "adopted child" flag to mark processes that are not
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natural children of init. This can make --forest work better.
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Add a thread group ID, to be shared by all tasks that are related by
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the clone() system call. This ID might be made unique from boot to
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shutdown, perhaps being a 16-bit CPU number and 48-bit per-CPU
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serial number.
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Make the kernel group /proc listing output by thread group.
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Without this, a thread-aware ps must always sort processes.
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Supply the task ID (the "PID"/"TID") of the thread group leader.
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I define "leader" as the first process of a thread group.
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Don't reuse the task ID of a thread group leader until all threads
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are dead. Better yet, don't let the leader exit.
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Supply better data for top's CPU state display. Currently top has
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to subtract old numbers from new numbers and divide that result by
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the number of processors. The kernel won't even supply the number
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of processors in a portable way.
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Mark threads, and supply a list of other threads.
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Supply data for the ADDR and JOBC fields.
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Support & supply data for SL and RE.
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Add a /proc/*/tty symlink to eliminate guessing when /proc/*/fd is
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not accessable.
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Put unique ID at the top of System.map and in /proc, to make sure
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there is never a mismatch.
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Add /proc/*/.bindata files to avoid string parsing. It should be an array
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of 64-bit values on all machines. New entries go on the end and obsolete
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ones get filled in with something logical -- entries must never be deleted!
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Add all the stuff Solaris has. This would also replace ptrace.
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---------------------- w --------------------------
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The LOGIN@ column sometimes has a space in it. This makes correct
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scripting difficult.
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Verify that DNS control does not give a user the power to specify
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arbitrary data for the FROM column. (could set root's VGA color map!)
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---------------------- vmstat --------------------------
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Extract /proc/stat parsing from vmstat into libproc somewhere.
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--------------------- libproc ----------------------
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Stop storing fields with duplicate info (often different
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units: kB and pages, seconds and jiffies) in the proc_t struct.
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---------------------- top -------------------------
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Share more stuff with ps.
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---------------- ps for now, maybe move to libproc ------------------
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With forest output and a tty named /dev/this_is_my_tty, the position
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of the command name gets messed up. (we print too many spaces) (fixed?)
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Fix missing stuff for these formats: FB_j FB_l FB_v HP_f HP_l HP_fl JFMT OL_m
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(jobc,cpu,sl,re,cpu,prmgrp,m_swap,m_share,vm_lib,m_dt)
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Note that "cpu" has two meanings.
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Add Beowulf support. This is ugly, since the current patches use a
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daemon to collect info and add a HOST field after the PID field.
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Query optimizer, put cheap/required process selection first.
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Avoid reading both /proc/*/status and /proc/*/stat.
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Maybe ps should put a 'C' in front of fields when they are affected
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by cumulative mode. Debian ps did that. (move flag to common.h...)
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Support printing the client hostname (the FROM that w(1) uses) in place
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of a pty. Maybe do this when PS_PERSONALITY=linux.
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Disambiguate narrow tty info. (/dev/tty7 == /dev/pts/7 now)
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1------8 1--4
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ttyS2 S2
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ttyI31 I31
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pts/7 7 Short form could be /999.
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pts/9999 9999 Short form could just be trunctuated to /999.
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tty7 7 Short form could be vc-7.
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tty63 63 Short form could be vc63.
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Internationalization, as specified by XPG3, Volume 1, Commands and Utilities.
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(and suggested by Unix98) LC_TIME affects date format.
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----------------------- ps -----------------------
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Add an option to select all processes that a user can kill.
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(related to RUID, EUID, tty, etc. -- but maybe ignore root power)
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Add a nice display option for killing things.
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ruser,euser,ppid,pid,pmem,stime,args isn't too bad
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Make the column alignment algorithm support this:
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FOO BAR
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8 44444
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453 45
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45 2989
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63666 0
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34 333
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(useful for the UNIX tty and time values, since the time might look
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like 100-10:40:32 for old processes and the tty might have extra room)
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Improve long sort/format specifiers documentation and fill in the missing
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code as much as the kernel can support. Make sure that memory amounts are in
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pages when they should be and in kB when they should be, not backwards.
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output encoding: UTF8 --nul --null
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Make BSD formats use non-standard BSD time format, at least when it
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doesn't violate the "no whitespace" rule.
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Try to make -jl fit in 80 columns. Do we need more than 1000 pty devices,
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9 flag bits, etc.? (hmmm, Linux supports 2048 pty devices now, and we
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might also want to steal whitespace there when the time column overflows)
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When not in strict Unix98 mode, let foo=8 specify that foo is 8
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characters wide. Debian did that. Then foo=8=bar and foo=bar=8
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could change both header and width.
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Better unmangling of '?' as a tty. The shell destroys '?' when there
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is a filename that matches. If the argument seems like garbage,
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check for a file that might have screwed up the '?'.
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If the 'O' option is given something already implied by 'O',
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assume the user wanted a sorting option.
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Conflict:
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Digital THREAD is user,pcpu,pri,scnt,wchan,usertime,systime
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AIX THREAD is uname,pid,ppid,tid,S,C,PRI,scount,WCHAN,F,tty,bnd,comm
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AIX looks like this:
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USER PID PPID TID S C PRI SC WCHAN FLAG TTY BND CMD
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