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Milian Wolff 9add8fe8e6 perf script: Share code and output format for uregs and iregs output 
The iregs output was missing the newline at end as well as the leading
ABI output. This made it hard to compare the iregs and uregs values.
Instead, use a single function to output the register values and use it
for both, iregs and uregs, to ensure the output is consistent.

Before:

  perf  7049 [-01]  1343.354347:          1 cycles:ppp:
        ffffffffa7bc21ce perf_event_exec+0x18e (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
        ffffffffa7c7ead3 setup_new_exec+0xf3 (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
        ffffffffa7cd7be5 load_elf_binary+0x395 (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
        ffffffffa7c7e540 search_binary_handler+0x80 (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
        ffffffffa7c7f1aa __do_execve_file.isra.13+0x58a (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
        ffffffffa7c7f561 do_execve+0x21 (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
        ffffffffa7c7f596 __x64_sys_execve+0x26 (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
        ffffffffa7a041cb do_syscall_64+0x5b (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
        ffffffffa840008c entry_SYSCALL_64+0x7c (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
    AX:0x80000000    BX:0x0    CX:0x0    DX:0x7    SI:0xf    DI:0x286    BP:0xffff95bc8213a460    SP:0xffffacbf0ba97d18    IP:0xffffffffa7bc21cd FLAGS:0x28e    CS:0x10    SS:0x18    R8:0x2    R9:0x21440   R10:0x33816fb3b8c   R11:0x1   R12:0xffff95bc8213a460   R13:0xffff95bc8213a400   R14:0xffff95bc8213a400   R15:0x1  ABI:2    AX:0xffffffffffffffda    BX:0xffffffffffffffff    CX:0x7f84ad85798b    DX:0x560209699d50    SI:0x7ffe2c7a6820    DI:0x7ffe2c7a8c9b    BP:0x7ffe2c7a20d0    SP:0x7ffe2c7a2058    IP:0x7f84ad85798b FLAGS:0x206    CS:0x33    SS:0x2b    R8:0x7ffe2c7a2030    R9:0x7f84ae55f010   R10:0x8   R11:0x206   R12:0xffffffffffffffff   R13:0xffffffffffffffff   R14:0xffffffffffffffff   R15:0xffffffffffffffff

  perf  7049 [-01]  1343.354363:          1 cycles:ppp:
        ...

After:

  perf  7049 [-01]  1343.354347:          1 cycles:ppp:
        ffffffffa7bc21ce perf_event_exec+0x18e (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
        ffffffffa7c7ead3 setup_new_exec+0xf3 (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
        ffffffffa7cd7be5 load_elf_binary+0x395 (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
        ffffffffa7c7e540 search_binary_handler+0x80 (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
        ffffffffa7c7f1aa __do_execve_file.isra.13+0x58a (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
        ffffffffa7c7f561 do_execve+0x21 (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
        ffffffffa7c7f596 __x64_sys_execve+0x26 (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
        ffffffffa7a041cb do_syscall_64+0x5b (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
        ffffffffa840008c entry_SYSCALL_64+0x7c (/lib/modules/4.20.0-rc1perf-devel-05115-gc0bc98f76e39-dirty/build/vmlinux)
    ABI:2    AX:0x80000000    BX:0x0    CX:0x0    DX:0x7    SI:0xf    DI:0x286    BP:0xffff95bc8213a460    SP:0xffffacbf0ba97d18    IP:0xffffffffa7bc21cd FLAGS:0x28e    CS:0x10    SS:0x18    R8:0x2    R9:0x21440   R10:0x33816fb3b8c   R11:0x1   R12:0xffff95bc8213a460   R13:0xffff95bc8213a400   R14:0xffff95bc8213a400   R15:0x1
    ABI:2    AX:0xffffffffffffffda    BX:0xffffffffffffffff    CX:0x7f84ad85798b    DX:0x560209699d50    SI:0x7ffe2c7a6820    DI:0x7ffe2c7a8c9b    BP:0x7ffe2c7a20d0    SP:0x7ffe2c7a2058    IP:0x7f84ad85798b FLAGS:0x206    CS:0x33    SS:0x2b    R8:0x7ffe2c7a2030    R9:0x7f84ae55f010   R10:0x8   R11:0x206   R12:0xffffffffffffffff   R13:0xffffffffffffffff   R14:0xffffffffffffffff   R15:0xffffffffffffffff

  perf  7049 [-01]  1343.354363:          1 cycles:ppp:
        ...

Signed-off-by: Milian Wolff <milian.wolff@kdab.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20181107223437.9071-1-milian.wolff@kdab.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-11-21 12:00:32 -03:00
arch perf/x86/intel: Fix regression by default disabling perfmon v4 interrupt handling 2018-11-20 18:57:48 +01:00
block SCSI: fix queue cleanup race before queue initialization is done 2018-11-14 08:19:10 -07:00
certs export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR() 2018-08-22 23:21:44 +09:00
crypto crypto: user - Zeroize whole structure given to user space 2018-11-09 17:35:43 +08:00
Documentation perf/x86/intel: Fix regression by default disabling perfmon v4 interrupt handling 2018-11-20 18:57:48 +01:00
drivers libnvdimm 4.20-rc3 2018-11-18 12:21:09 -08:00
firmware kbuild: remove all dummy assignments to obj- 2017-11-18 11:46:06 +09:00
fs ocfs2: free up write context when direct IO failed 2018-11-18 10:15:09 -08:00
include Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-11-18 10:52:26 -08:00
init memblock: stop using implicit alignment to SMP_CACHE_BYTES 2018-10-31 08:54:16 -07:00
ipc ipc: IPCMNI limit check for semmni 2018-10-31 08:54:14 -07:00
kernel Merge branch 'akpm' (patches from Andrew) 2018-11-18 11:31:26 -08:00
lib lib/ubsan.c: don't mark __ubsan_handle_builtin_unreachable as noreturn 2018-11-18 10:15:10 -08:00
LICENSES This is a fairly typical cycle for documentation. There's some welcome 2018-10-24 18:01:11 +01:00
mm mm/memblock.c: fix a typo in __next_mem_pfn_range() comments 2018-11-18 10:15:10 -08:00
net NFS client bugfixes for Linux 4.20 2018-11-15 10:59:37 -06:00
samples VFIO updates for v4.20 2018-10-31 11:01:38 -07:00
scripts scripts/spdxcheck.py: make python3 compliant 2018-11-18 10:15:10 -08:00
security selinux/stable-4.20 PR 20181115 2018-11-15 11:26:09 -06:00
sound ALSA: hda - Fix incorrect clearance of thinkpad_acpi hooks 2018-11-06 16:33:53 +01:00
tools perf script: Share code and output format for uregs and iregs output 2018-11-21 12:00:32 -03:00
usr initramfs: move gen_initramfs_list.sh from scripts/ to usr/ 2018-08-22 23:21:44 +09:00
virt Revert "mm, mmu_notifier: annotate mmu notifiers with blockable invalidate callbacks" 2018-10-26 16:25:19 -07:00
.clang-format page cache: Convert find_get_pages_contig to XArray 2018-10-21 10:46:34 -04:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore Kbuild updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
.mailmap mailmap: Update email for Punit Agrawal 2018-11-05 10:02:11 +00:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS MAINTAINERS: update OMAP MMC entry 2018-11-18 10:15:09 -08:00
Kbuild Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
Kconfig kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt 2018-08-02 08:06:55 +09:00
MAINTAINERS MAINTAINERS: update OMAP MMC entry 2018-11-18 10:15:09 -08:00
Makefile Linux 4.20-rc3 2018-11-18 13:33:44 -08:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

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.