UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

Documentation: {u,k}probes: fix filename for event enabling 

The per-event files to enable or disable kprobes and uprobes
are named 'enable', not 'enabled'. Fix the corresponding
documentation.

Signed-off-by: Andreas Ziegler <andreas.ziegler@fau.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Andreas Ziegler 2018-07-16 13:05:57 +02:00 committed by Jonathan Corbet
parent 655c75a206
commit e50891d6ef
2 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
Documentation/trace/kprobetrace.rst
View File

@ -18,7 +18,7 @@ To enable this feature, build your kernel with CONFIG_KPROBE_EVENTS=y.
Similar to the events tracer, this doesn't need to be activated via
current_tracer. Instead of that, add probe points via
/sys/kernel/debug/tracing/kprobe_events, and enable it via
/sys/kernel/debug/tracing/events/kprobes/<EVENT>/enabled.
/sys/kernel/debug/tracing/events/kprobes/<EVENT>/enable.
Synopsis of kprobe_events
@ -81,9 +81,9 @@ Per-probe event filtering feature allows you to set different filter on each
probe and gives you what arguments will be shown in trace buffer. If an event
name is specified right after 'p:' or 'r:' in kprobe_events, it adds an event
under tracing/events/kprobes/<EVENT>, at the directory you can see 'id',
'enabled', 'format' and 'filter'.
'enable', 'format' and 'filter'.
enabled:
enable:
You can enable/disable the probe by writing 1 or 0 on it.
format:

2
Documentation/trace/uprobetracer.rst
View File

@ -13,7 +13,7 @@ To enable this feature, build your kernel with CONFIG_UPROBE_EVENTS=y.
Similar to the kprobe-event tracer, this doesn't need to be activated via
current_tracer. Instead of that, add probe points via
/sys/kernel/debug/tracing/uprobe_events, and enable it via
/sys/kernel/debug/tracing/events/uprobes/<EVENT>/enabled.
/sys/kernel/debug/tracing/events/uprobes/<EVENT>/enable.
However unlike kprobe-event tracer, the uprobe event interface expects the
user to calculate the offset of the probepoint in the object.