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Ingo Molnar 8f6ee51d77 perf/core improvements and fixes:
x86/insn:
 
   Adrian Hunter:
 
   - Add some more Intel instructions to the opcode map:
 
         cldemote, encls, enclu, enclv, enqcmd, enqcmds, movdir64b,
         movdiri, pconfig, tpause, umonitor, umwait, wbnoinvd.
 
   - The instruction decoding can be tested using the perf tools'
     "x86 instruction decoder - new instructions" test as folllows:
 
     $ perf test -v "new " 2>&1 | grep -i cldemote
     Decoded ok: 0f 1c 00                    cldemote (%eax)
     Decoded ok: 0f 1c 05 78 56 34 12        cldemote 0x12345678
     Decoded ok: 0f 1c 84 c8 78 56 34 12     cldemote 0x12345678(%eax,%ecx,8)
     Decoded ok: 0f 1c 00                    cldemote (%rax)
     Decoded ok: 41 0f 1c 00                 cldemote (%r8)
     Decoded ok: 0f 1c 04 25 78 56 34 12     cldemote 0x12345678
     Decoded ok: 0f 1c 84 c8 78 56 34 12     cldemote 0x12345678(%rax,%rcx,8)
     Decoded ok: 41 0f 1c 84 c8 78 56 34 12  cldemote 0x12345678(%r8,%rcx,8)
     $ perf test -v "new " 2>&1 | grep -i tpause
     Decoded ok: 66 0f ae f3                 tpause %ebx
     Decoded ok: 66 0f ae f3                 tpause %ebx
     Decoded ok: 66 41 0f ae f0              tpause %r8d
 
 callchains:
 
   Adrian Hunter:
 
   - Fix segfault in thread__resolve_callchain_sample().
 
 perf probe:
 
   - Line fixes to show only lines where probes can be used with 'perf probe -L',
     and when reporting them via 'perf probe -l'.
 
   - Support multiprobe events.
 
 perf scripts python:
 
   Adrian Hunter:
 
   - Fix use of TRUE with SQLite < 3.23 in exported-sql-viewer.py.
 
 perf maps:
 
   - Trim 'struct map' by removing the rb_node member for sorting
     by map name, as that is only needed for processing kernel maps,
     and only when classifying symbols by section at load time.
     Sort them by name using qsort() and do lookups using bsearch()
     when map_groups__find_by_name() is used.
 
 perf parse:
 
   Ian Rogers:
 
   - Report initial event parsing error, providing a less cryptic message
     to state that a PMU wasn't found in the system.
 
 perf vendor events:
 
   James Clark:
 
   - Fix commas so that PMU event files for arm64, power8 and power nine
     become valid JSON.
 
 libtraceevent:
 
   Konstantin Khlebnikov:
 
   - Fix parsing of event %o and %X argument types.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo-5.5-20191119' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core

Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:

x86/insn:

  Adrian Hunter:

  - Add some more Intel instructions to the opcode map:

        cldemote, encls, enclu, enclv, enqcmd, enqcmds, movdir64b,
        movdiri, pconfig, tpause, umonitor, umwait, wbnoinvd.

  - The instruction decoding can be tested using the perf tools'
    "x86 instruction decoder - new instructions" test as folllows:

    $ perf test -v "new " 2>&1 | grep -i cldemote
    Decoded ok: 0f 1c 00                    cldemote (%eax)
    Decoded ok: 0f 1c 05 78 56 34 12        cldemote 0x12345678
    Decoded ok: 0f 1c 84 c8 78 56 34 12     cldemote 0x12345678(%eax,%ecx,8)
    Decoded ok: 0f 1c 00                    cldemote (%rax)
    Decoded ok: 41 0f 1c 00                 cldemote (%r8)
    Decoded ok: 0f 1c 04 25 78 56 34 12     cldemote 0x12345678
    Decoded ok: 0f 1c 84 c8 78 56 34 12     cldemote 0x12345678(%rax,%rcx,8)
    Decoded ok: 41 0f 1c 84 c8 78 56 34 12  cldemote 0x12345678(%r8,%rcx,8)
    $ perf test -v "new " 2>&1 | grep -i tpause
    Decoded ok: 66 0f ae f3                 tpause %ebx
    Decoded ok: 66 0f ae f3                 tpause %ebx
    Decoded ok: 66 41 0f ae f0              tpause %r8d

callchains:

  Adrian Hunter:

  - Fix segfault in thread__resolve_callchain_sample().

perf probe:

  - Line fixes to show only lines where probes can be used with 'perf probe -L',
    and when reporting them via 'perf probe -l'.

  - Support multiprobe events.

perf scripts python:

  Adrian Hunter:

  - Fix use of TRUE with SQLite < 3.23 in exported-sql-viewer.py.

perf maps:

  - Trim 'struct map' by removing the rb_node member for sorting
    by map name, as that is only needed for processing kernel maps,
    and only when classifying symbols by section at load time.
    Sort them by name using qsort() and do lookups using bsearch()
    when map_groups__find_by_name() is used.

perf parse:

  Ian Rogers:

  - Report initial event parsing error, providing a less cryptic message
    to state that a PMU wasn't found in the system.

perf vendor events:

  James Clark:

  - Fix commas so that PMU event files for arm64, power8 and power nine
    become valid JSON.

libtraceevent:

  Konstantin Khlebnikov:

  - Fix parsing of event %o and %X argument types.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-11-19 12:59:03 +01:00
arch perf/core improvements and fixes: 2019-11-19 12:59:03 +01:00
block blkcg: make blkcg_print_stat() print stats only for online blkgs 2019-11-06 17:08:38 -07:00
certs PKCS#7: Refactor verify_pkcs7_signature() 2019-08-05 18:40:18 -04:00
crypto Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-09-28 08:14:15 -07:00
Documentation Documentation: TLS: Add missing counter description 2019-11-05 18:34:06 -08:00
drivers ARM: SoC fixes 2019-11-10 13:41:59 -08:00
fs configfs regression fix for 5.4-rc 2019-11-10 12:59:34 -08:00
include perf/aux: Allow using AUX data in perf samples 2019-11-13 11:06:14 +01:00
init Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-09-28 08:14:15 -07:00
ipc ipc/sem.c: convert to use built-in RCU list checking 2019-09-25 17:51:41 -07:00
kernel perf/aux: Allow using AUX data in perf samples 2019-11-13 11:06:14 +01:00
lib lib: Remove select of inexistant GENERIC_IO 2019-11-10 10:38:43 -08:00
LICENSES LICENSES: Rename other to deprecated 2019-05-03 06:34:32 -06:00
mm mm: memcontrol: fix network errors from failing __GFP_ATOMIC charges 2019-11-06 08:47:50 -08:00
net vsock/virtio: fix sock refcnt holding during the shutdown 2019-11-08 12:17:50 -08:00
samples samples/bpf: fix build by setting HAVE_ATTR_TEST to zero 2019-10-31 21:39:15 +01:00
scripts Modules fixes for v5.4-rc7 2019-11-08 09:48:19 -08:00
security Linux 5.4-rc7 2019-11-11 07:59:06 +01:00
sound ASoC: Fixes for v5.4 2019-11-07 13:52:17 +01:00
tools perf parse: Report initial event parsing error 2019-11-18 19:14:29 -03:00
usr kbuild: update compile-test header list for v5.4-rc2 2019-10-05 15:29:49 +09:00
virt kvm: call kvm_arch_destroy_vm if vm creation fails 2019-10-31 12:13:16 +01:00
.clang-format clang-format: Update with the latest for_each macro list 2019-08-31 10:00:51 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore Modules updates for v5.4 2019-09-22 10:34:46 -07:00
.mailmap ARM: SoC fixes 2019-11-10 13:41:59 -08:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer 2019-10-10 08:12:51 -07:00
Kbuild kbuild: do not descend to ./Kbuild when cleaning 2019-08-21 21:03:58 +09:00
Kconfig docs: kbuild: convert docs to ReST and rename to *.rst 2019-06-14 14:21:21 -06:00
MAINTAINERS Linux 5.4-rc7 2019-11-11 07:59:06 +01:00
Makefile Linux 5.4-rc7 2019-11-10 16:17:15 -08:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.