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Changbin Du f7d6316fb4 mm, tracing: Print symbol name for call_site in trace events
To improve the readability of raw slab trace points, print the call_site ip
using '%pS'. Then we can grep events with function names.

[002] ....   808.188897: kmem_cache_free: call_site=putname+0x47/0x50 ptr=00000000cef40c80
[002] ....   808.188898: kfree: call_site=security_cred_free+0x42/0x50 ptr=0000000062400820
[002] ....   808.188904: kmem_cache_free: call_site=put_cred_rcu+0x88/0xa0 ptr=0000000058d74ef8
[002] ....   808.188913: kmem_cache_alloc: call_site=prepare_creds+0x26/0x100 ptr=0000000058d74ef8 bytes_req=168 bytes_alloc=576 gfp_flags=GFP_KERNEL
[002] ....   808.188917: kmalloc: call_site=security_prepare_creds+0x77/0xa0 ptr=0000000062400820 bytes_req=8 bytes_alloc=336 gfp_flags=GFP_KERNEL|__GFP_ZERO
[002] ....   808.188920: kmem_cache_alloc: call_site=getname_flags+0x4f/0x1e0 ptr=00000000cef40c80 bytes_req=4096 bytes_alloc=4480 gfp_flags=GFP_KERNEL
[002] ....   808.188925: kmem_cache_free: call_site=putname+0x47/0x50 ptr=00000000cef40c80
[002] ....   808.188926: kfree: call_site=security_cred_free+0x42/0x50 ptr=0000000062400820
[002] ....   808.188931: kmem_cache_free: call_site=put_cred_rcu+0x88/0xa0 ptr=0000000058d74ef8

Link: http://lkml.kernel.org/r/20190914103215.23301-1-changbin.du@gmail.com

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2019-09-28 17:13:39 -04:00
arch tracing/arm64: Have max stack tracer handle the case of return address after data 2019-08-31 12:19:40 -04:00
block
certs
crypto
Documentation tracing/probe: Add immediate parameter support 2019-08-31 12:19:39 -04:00
drivers A minor auxdisplay improvement: 2019-08-25 11:43:17 -07:00
fs
include mm, tracing: Print symbol name for call_site in trace events 2019-09-28 17:13:39 -04:00
init
ipc
kernel tracing: Have error path in predicate_parse() free its allocated memory 2019-09-28 17:13:39 -04:00
lib
LICENSES
mm
net
samples
scripts recordmcount: Clarify what cleanup() does 2019-08-31 12:19:40 -04:00
security
sound
tools selftests/ftrace: Update kprobe event error testcase 2019-09-19 11:09:40 -04:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.3-rc6 2019-08-25 12:01:23 -07:00
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.