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Filename Latest commit message Latest commit date
Adrian Hunter 64e8b913c3 perf scripts python: exported-sql-viewer.py: Fix zero id in call tree 'Find' result
commit 031c8d5edb1ddeb6d398f7942ce2a01a1a51ada9 upstream.

Using ctrl-F ('Find') would not find 'unknown' because it matches id
zero.  Fix by excluding id zero from selection.

Example:

   $ perf record -e intel_pt//u uname
   Linux
   [ perf record: Woken up 1 times to write data ]
   [ perf record: Captured and wrote 0.034 MB perf.data ]
   $ perf script --itrace=bep -s ~/libexec/perf-core/scripts/python/export-to-sqlite.py perf.data.db branches calls
   2020-06-26 15:32:14.928997 Creating database ...
   2020-06-26 15:32:14.933971 Writing records...
   2020-06-26 15:32:15.535251 Adding indexes
   2020-06-26 15:32:15.542993 Dropping unused tables
   2020-06-26 15:32:15.549716 Done
   $ python3 ~/libexec/perf-core/scripts/python/exported-sql-viewer.py perf.data.db

   Select: Reports -> Call Tree
   Press: Ctrl-F
   Enter: unknown
   Press: Enter

Before: displays 'unknown' not found
After: tree is expanded to line showing 'unknown'

Fixes: ae8b887c00 ("perf scripts python: exported-sql-viewer.py: Add call tree")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org
Link: http://lore.kernel.org/lkml/20200629091955.17090-6-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-07-16 08:16:47 +02:00
arch s390/mm: fix huge pte soft dirty copying 2020-07-16 08:16:47 +02:00
block blk-mq: consider non-idle request as "inflight" in blk_mq_rq_inflight() 2020-07-16 08:16:47 +02:00
certs
crypto crypto: af_alg - fix use-after-free in af_alg_accept() due to bh_lock_sock() 2020-07-09 09:37:52 +02:00
Documentation dt-bindings: display: mediatek: control dpi pins mode to avoid leakage 2020-06-22 09:30:58 +02:00
drivers dm writecache: reject asynchronous pmem devices 2020-07-16 08:16:47 +02:00
fs btrfs: fix double put of block group with nocow 2020-07-16 08:16:45 +02:00
include bpf: Check correct cred for CAP_SYSLOG in bpf_dump_raw_ok() 2020-07-16 08:16:45 +02:00
init x86: Fix early boot crash on gcc-10, third try 2020-05-20 08:20:34 +02:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2020-05-20 08:20:16 +02:00
kernel bpf: Check correct cred for CAP_SYSLOG in bpf_dump_raw_ok() 2020-07-16 08:16:45 +02:00
lib test_objagg: Fix potential memory leak in error handling 2020-06-30 15:37:04 -04:00
LICENSES
mm mm, compaction: make capture control handling safe wrt interrupts 2020-07-09 09:37:57 +02:00
net bpf: Check correct cred for CAP_SYSLOG in bpf_dump_raw_ok() 2020-07-16 08:16:45 +02:00
samples samples/vfs: avoid warning in statx override 2020-07-09 09:37:54 +02:00
scripts recordmcount: support >64k sections 2020-06-30 15:37:05 -04:00
security selinux: fix double free 2020-06-24 17:50:48 +02:00
sound ALSA: hda/realtek: Enable headset mic of Acer Veriton N4660G with ALC269VC 2020-07-16 08:16:43 +02:00
tools perf scripts python: exported-sql-viewer.py: Fix zero id in call tree 'Find' result 2020-07-16 08:16:47 +02:00
usr
virt KVM: arm64: Save the host's PtrAuth keys in non-preemptible context 2020-06-17 16:40:38 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
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COPYING
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Makefile Linux 5.4.51 2020-07-09 09:37:57 +02:00
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.