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CVS log for src/share/man/man9/kernhist.9

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Default branch: MAIN


Revision 1.10 / (download) - annotate - [select for diffs], Sat Dec 11 19:24:19 2021 UTC (2 years, 4 months ago) by mrg
Branch: MAIN
CVS Tags: netbsd-10-base, netbsd-10-0-RELEASE, netbsd-10-0-RC6, netbsd-10-0-RC5, netbsd-10-0-RC4, netbsd-10-0-RC3, netbsd-10-0-RC2, netbsd-10-0-RC1, netbsd-10, HEAD
Changes since 1.9: +1 -3 lines
Diff to previous 1.9 (colored)

remove clause 3 from all my licenses that aren't conflicting with
another copyright claim line.  again.  (i did this in 2008 and then
did not update all of my personal templates.)

Revision 1.4.8.1 / (download) - annotate - [select for diffs], Thu Nov 2 21:29:51 2017 UTC (6 years, 5 months ago) by snj
Branch: netbsd-8
CVS Tags: netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, matt-nb8-mediatek-base, matt-nb8-mediatek
Changes since 1.4: +101 -25 lines
Diff to previous 1.4 (colored) next main 1.5 (colored)

Pull up following revision(s) (requested by pgoyette in ticket #335):
	share/man/man9/kernhist.9: 1.5-1.8
	sys/arch/acorn26/acorn26/pmap.c: 1.39
	sys/arch/arm/arm32/fault.c: 1.105 via patch
	sys/arch/arm/arm32/pmap.c: 1.350, 1.359
	sys/arch/arm/broadcom/bcm2835_bsc.c: 1.7
	sys/arch/arm/omap/if_cpsw.c: 1.20
	sys/arch/arm/omap/tiotg.c: 1.7
	sys/arch/evbarm/conf/RPI2_INSTALL: 1.3
	sys/dev/ic/sl811hs.c: 1.98
	sys/dev/usb/ehci.c: 1.256
	sys/dev/usb/if_axe.c: 1.83
	sys/dev/usb/motg.c: 1.18
	sys/dev/usb/ohci.c: 1.274
	sys/dev/usb/ucom.c: 1.119
	sys/dev/usb/uhci.c: 1.277
	sys/dev/usb/uhub.c: 1.137
	sys/dev/usb/umass.c: 1.160-1.162
	sys/dev/usb/umass_quirks.c: 1.100
	sys/dev/usb/umass_scsipi.c: 1.55
	sys/dev/usb/usb.c: 1.168
	sys/dev/usb/usb_mem.c: 1.70
	sys/dev/usb/usb_subr.c: 1.221
	sys/dev/usb/usbdi.c: 1.175
	sys/dev/usb/usbdi_util.c: 1.67-1.70
	sys/dev/usb/usbroothub.c: 1.3
	sys/dev/usb/xhci.c: 1.75
	sys/external/bsd/drm2/dist/drm/i915/i915_gem.c: 1.34
	sys/kern/kern_history.c: 1.15
	sys/kern/kern_xxx.c: 1.74
	sys/kern/vfs_bio.c: 1.275-1.276
	sys/miscfs/genfs/genfs_io.c: 1.71
	sys/sys/kernhist.h: 1.21
	sys/ufs/ffs/ffs_balloc.c: 1.63
	sys/ufs/lfs/lfs_vfsops.c: 1.361
	sys/ufs/lfs/ulfs_inode.c: 1.21
	sys/ufs/lfs/ulfs_vnops.c: 1.52
	sys/ufs/ufs/ufs_inode.c: 1.102
	sys/ufs/ufs/ufs_vnops.c: 1.239
	sys/uvm/pmap/pmap.c: 1.37-1.39
	sys/uvm/pmap/pmap_tlb.c: 1.22
	sys/uvm/uvm_amap.c: 1.108
	sys/uvm/uvm_anon.c: 1.64
	sys/uvm/uvm_aobj.c: 1.126
	sys/uvm/uvm_bio.c: 1.91
	sys/uvm/uvm_device.c: 1.66
	sys/uvm/uvm_fault.c: 1.201
	sys/uvm/uvm_km.c: 1.144
	sys/uvm/uvm_loan.c: 1.85
	sys/uvm/uvm_map.c: 1.353
	sys/uvm/uvm_page.c: 1.194
	sys/uvm/uvm_pager.c: 1.111
	sys/uvm/uvm_pdaemon.c: 1.109
	sys/uvm/uvm_swap.c: 1.175
	sys/uvm/uvm_vnode.c: 1.103
	usr.bin/vmstat/vmstat.c: 1.219
Reorder to test for null before null deref in debug code
--
Reorder to test for null before null deref in debug code
--
KNF
--
No need for '\n' in UVMHIST_LOG
--
normalise a BIOHIST log message
--
Update the kernhist(9) kernel history code to address issues identified
in PR kern/52639, as well as some general cleaning-up...
(As proposed on tech-kern@ with additional changes and enhancements.)
Details of changes:
* All history arguments are now stored as uintmax_t values[1], both in
   the kernel and in the structures used for exporting the history data
   to userland via sysctl(9).  This avoids problems on some architectures
   where passing a 64-bit (or larger) value to printf(3) can cause it to
   process the value as multiple arguments.  (This can be particularly
   problematic when printf()'s format string is not a literal, since in
   that case the compiler cannot know how large each argument should be.)
* Update the data structures used for exporting kernel history data to
   include a version number as well as the length of history arguments.
* All [2] existing users of kernhist(9) have had their format strings
   updated.  Each format specifier now includes an explicit length
   modifier 'j' to refer to numeric values of the size of uintmax_t.
* All [2] existing users of kernhist(9) have had their format strings
   updated to replace uses of "%p" with "%#jx", and the pointer
   arguments are now cast to (uintptr_t) before being subsequently cast
   to (uintmax_t).  This is needed to avoid compiler warnings about
   casting "pointer to integer of a different size."
* All [2] existing users of kernhist(9) have had instances of "%s" or
   "%c" format strings replaced with numeric formats; several instances
   of mis-match between format string and argument list have been fixed.
* vmstat(1) has been modified to handle the new size of arguments in the
   history data as exported by sysctl(9).
* vmstat(1) now provides a warning message if the history requested with
   the -u option does not exist (previously, this condition was silently
   ignored, with only a single blank line being printed).
* vmstat(1) now checks the version and argument length included in the
   data exported via sysctl(9) and exits if they do not match the values
   with which vmstat was built.
* The kernhist(9) man-page has been updated to note the additional
   requirements imposed on the format strings, along with several other
   minor changes and enhancements.
[1] It would have been possible to use an explicit length (for example,
     uint64_t) for the history arguments.  But that would require another
     "rototill" of all the users in the future when we add support for an
     architecture that supports a larger size.  Also, the printf(3)
format
     specifiers for explicitly-sized values, such as "%"PRIu64, are much
     more verbose (and less aesthetically appealing, IMHO) than simply
     using "%ju".
[2] I've tried very hard to find "all [the] existing users of
kernhist(9)"
     but it is possible that I've missed some of them.  I would be glad
to
     update any stragglers that anyone identifies.
--
For some reason this single kernel seems to have outgrown its declared
size as a result of the kernhist(9) changes.  Bump the size.
XXX The amount of increase may be excessive - anyone with more detailed
XXX knowledge please feel free to further adjust the value
appropriately.
--
Misssed one cast of pointer --> uintptr_t in previous kernhist(9) commit
--
And yet another one.  :(
--
Use correct mark-up for NetBSD version.
--
More improvements in grammar and readability.
--
Remove a stray '"' (obvious typo) and add a couple of casts that are
probably needed.
--
And replace an instance of "%p" conversion with "%#jx"
--
Whitespace fix. Give Bl tag table a width. Fix Xr.

Revision 1.9 / (download) - annotate - [select for diffs], Wed Nov 1 23:00:05 2017 UTC (6 years, 5 months ago) by wiz
Branch: MAIN
CVS Tags: phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, netbsd-9-base, netbsd-9-3-RELEASE, netbsd-9-2-RELEASE, netbsd-9-1-RELEASE, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, is-mlppp-base, is-mlppp, cjep_sun2x-base1, cjep_sun2x-base, cjep_sun2x, cjep_staticlib_x-base1, cjep_staticlib_x-base, cjep_staticlib_x
Changes since 1.8: +2 -2 lines
Diff to previous 1.8 (colored)

Add space.

Revision 1.8 / (download) - annotate - [select for diffs], Mon Oct 30 15:55:53 2017 UTC (6 years, 5 months ago) by wiz
Branch: MAIN
Changes since 1.7: +4 -4 lines
Diff to previous 1.7 (colored)

Whitespace fix. Give Bl tag table a width. Fix Xr.

Revision 1.7 / (download) - annotate - [select for diffs], Sun Oct 29 09:51:42 2017 UTC (6 years, 5 months ago) by pgoyette
Branch: MAIN
Changes since 1.6: +20 -17 lines
Diff to previous 1.6 (colored)

More improvements in grammar and readability.

Revision 1.6 / (download) - annotate - [select for diffs], Sun Oct 29 09:17:42 2017 UTC (6 years, 5 months ago) by pgoyette
Branch: MAIN
Changes since 1.5: +3 -3 lines
Diff to previous 1.5 (colored)

Use correct mark-up for NetBSD version.

Revision 1.5 / (download) - annotate - [select for diffs], Sat Oct 28 00:37:11 2017 UTC (6 years, 5 months ago) by pgoyette
Branch: MAIN
Changes since 1.4: +94 -21 lines
Diff to previous 1.4 (colored)

Update the kernhist(9) kernel history code to address issues identified
in PR kern/52639, as well as some general cleaning-up...

(As proposed on tech-kern@ with additional changes and enhancements.)

Details of changes:

* All history arguments are now stored as uintmax_t values[1], both in
  the kernel and in the structures used for exporting the history data
  to userland via sysctl(9).  This avoids problems on some architectures
  where passing a 64-bit (or larger) value to printf(3) can cause it to
  process the value as multiple arguments.  (This can be particularly
  problematic when printf()'s format string is not a literal, since in
  that case the compiler cannot know how large each argument should be.)

* Update the data structures used for exporting kernel history data to
  include a version number as well as the length of history arguments.

* All [2] existing users of kernhist(9) have had their format strings
  updated.  Each format specifier now includes an explicit length
  modifier 'j' to refer to numeric values of the size of uintmax_t.

* All [2] existing users of kernhist(9) have had their format strings
  updated to replace uses of "%p" with "%#jx", and the pointer
  arguments are now cast to (uintptr_t) before being subsequently cast
  to (uintmax_t).  This is needed to avoid compiler warnings about
  casting "pointer to integer of a different size."

* All [2] existing users of kernhist(9) have had instances of "%s" or
  "%c" format strings replaced with numeric formats; several instances
  of mis-match between format string and argument list have been fixed.

* vmstat(1) has been modified to handle the new size of arguments in the
  history data as exported by sysctl(9).

* vmstat(1) now provides a warning message if the history requested with
  the -u option does not exist (previously, this condition was silently
  ignored, with only a single blank line being printed).

* vmstat(1) now checks the version and argument length included in the
  data exported via sysctl(9) and exits if they do not match the values
  with which vmstat was built.

* The kernhist(9) man-page has been updated to note the additional
  requirements imposed on the format strings, along with several other
  minor changes and enhancements.

[1] It would have been possible to use an explicit length (for example,
    uint64_t) for the history arguments.  But that would require another
    "rototill" of all the users in the future when we add support for an
    architecture that supports a larger size.  Also, the printf(3) format
    specifiers for explicitly-sized values, such as "%"PRIu64, are much
    more verbose (and less aesthetically appealing, IMHO) than simply
    using "%ju".

[2] I've tried very hard to find "all [the] existing users of kernhist(9)"
    but it is possible that I've missed some of them.  I would be glad to
    update any stragglers that anyone identifies.

Revision 1.4 / (download) - annotate - [select for diffs], Thu Oct 29 00:32:55 2015 UTC (8 years, 5 months ago) by mrg
Branch: MAIN
CVS Tags: prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-8-base, localcount-20160914, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan
Branch point for: netbsd-8
Changes since 1.3: +25 -11 lines
Diff to previous 1.3 (colored)

flesh out the descrition of kernhist_dumpmask()

Revision 1.3 / (download) - annotate - [select for diffs], Mon Oct 26 17:23:00 2015 UTC (8 years, 5 months ago) by mrg
Branch: MAIN
Changes since 1.2: +2 -2 lines
Diff to previous 1.2 (colored)

oops, i really did mean a section 9 reference for usb -- but as usbdi(9).

Revision 1.2 / (download) - annotate - [select for diffs], Mon Oct 26 09:06:52 2015 UTC (8 years, 5 months ago) by wiz
Branch: MAIN
Changes since 1.1: +15 -12 lines
Diff to previous 1.1 (colored)

Various fixes and improvements.

Guess what the end of a sentence could be.

Revision 1.1 / (download) - annotate - [select for diffs], Mon Oct 26 07:07:36 2015 UTC (8 years, 5 months ago) by mrg
Branch: MAIN

add documentation on "options KERNHIST".

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