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Masami Hiramatsu (Google) c88dbbcd88 fprobe, samples: Add use_trace option and show hit/missed counter
Add use_trace option to use trace_printk() instead of pr_info()
so that the handler doesn't involve the RCU operations.
And show the hit and missed counter so that the user can check
how many times the probe handler hit and missed.

Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/165461826247.280167.11939123218334322352.stgit@devnote2
2022-06-17 21:53:29 +02:00
Documentation docs: networking: phy: Fix a typo 2022-06-13 23:12:44 -07:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
arch bpf, x86: Fix tail call count offset calculation on bpf2bpf call 2022-06-16 21:48:24 +02:00
block for-5.19/drivers-2022-06-02 2022-06-03 10:25:56 -07:00
certs certs: Convert spaces in certs/Makefile to a tab 2022-06-10 11:42:02 -07:00
crypto This update includes the following changes: 2022-05-27 18:06:49 -07:00
drivers mlxsw: spectrum_cnt: Reorder counter pools 2022-06-14 16:00:37 +02:00
fs zonefs fixes for 5.19-rc2 2022-06-10 10:56:28 -07:00
include ATA fixes for 5.19-rc2 2022-06-10 10:30:43 -07:00
init gcc-12: disable '-Warray-bounds' universally for now 2022-06-09 10:11:12 -07:00
ipc These changes update the ipc sysctls so that they are fundamentally 2022-06-03 15:54:57 -07:00
kernel bpf: Force cookies array to follow symbols sorting 2022-06-16 19:42:21 -07:00
lib Bitmap patches for 5.19-rc1 2022-06-04 14:04:27 -07:00
mm Hot fixes for 5.19-rc1. 2022-06-05 17:05:38 -07:00
net bpf: Fix request_sock leak in sk lookup helpers 2022-06-15 16:10:07 +02:00
samples fprobe, samples: Add use_trace option and show hit/missed counter 2022-06-17 21:53:29 +02:00
scripts cert host tools: Stop complaining about deprecated OpenSSL functions 2022-06-08 13:18:39 -07:00
security KEYS: trusted: tpm2: Fix migratable logic 2022-06-08 14:12:13 +03:00
sound sound fixes for 5.19-rc2 2022-06-10 10:20:57 -07:00
tools selftest/bpf: Fix kprobe_multi bench test 2022-06-16 19:42:21 -07:00
usr Not a lot of material this cycle. Many singleton patches against various 2022-05-27 11:22:03 -07:00
virt * Fix syzkaller NULL pointer dereference 2022-06-08 09:16:31 -07:00
.clang-format clang-format: Fix space after for_each macros 2022-05-20 19:27:16 +02:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore kbuild: split the second line of *.mod into *.usyms 2022-05-08 03:16:59 +09:00
.mailmap Hot fixes for 5.19-rc1. 2022-06-05 17:05:38 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: replace a Microchip AT91 maintainer 2022-02-09 11:30:01 +01:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS bpf, docs: Update some of the JIT/maintenance entries 2022-06-17 12:47:53 -07:00
Makefile gcc-12: disable '-Warray-bounds' universally for now 2022-06-09 10:11:12 -07:00
README

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.