| Message ID | CA+g2S9pkFLRV1foEHpEkaRwjMKOVQTxJrM=-sQsqoud92_WNFw@mail.gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Update objtrace usage in Documentation/trace/events.rst | expand |
Hi renhai, On Tue, Oct 31, 2023 at 10:46 AM renhai_lenovo <kean0048@gmail.com> wrote: > > Documentation: trace/objtrace: Move the line entering the trace > directory to the first step, so that the commands in the first step > can be executed smoothly. > > Signed-off-by: Renhai <rh_king@163.com> > > diff --git a/Documentation/trace/events.rst b/Documentation/trace/events.rst > index 52ac8ca8ab64..d5fadf7966de 100644 > --- a/Documentation/trace/events.rst > +++ b/Documentation/trace/events.rst > @@ -583,6 +583,7 @@ The following commands are supported: > > .. code-block:: > > + # cd /sys/kernel/debug/tracing/ > # echo 'p bio_add_page arg1=$arg1' > ./kprobe_events > > Secondly, we can get the value dynamically based on the object: > @@ -597,7 +598,6 @@ The following commands are supported: > # echo 'objtrace:add:arg1,0x28:u32:1 if comm == "cat"' > > ./events/kprobes/ \ > p_bio_add_page_0/trigger > > - # cd /sys/kernel/debug/tracing/ > # echo 'p bio_add_page arg1=$arg1' > ./kprobe_events > # echo 'objtrace:add:arg1,0x28:u32:1 if comm == "cat"' > > ./events/kprobes/p_bio_add_page_0/trigger Thank you for your interest in the objtrace function. I am currently busy with other things. I will come back soon to update this function. When I update it, I will add your suggestions.
diff --git a/Documentation/trace/events.rst b/Documentation/trace/events.rst index 52ac8ca8ab64..d5fadf7966de 100644 --- a/Documentation/trace/events.rst +++ b/Documentation/trace/events.rst @@ -583,6 +583,7 @@ The following commands are supported: .. code-block:: + # cd /sys/kernel/debug/tracing/ # echo 'p bio_add_page arg1=$arg1' > ./kprobe_events Secondly, we can get the value dynamically based on the object: @@ -597,7 +598,6 @@ The following commands are supported: # echo 'objtrace:add:arg1,0x28:u32:1 if comm == "cat"' > ./events/kprobes/ \ p_bio_add_page_0/trigger - # cd /sys/kernel/debug/tracing/ # echo 'p bio_add_page arg1=$arg1' > ./kprobe_events # echo 'objtrace:add:arg1,0x28:u32:1 if comm == "cat"' >
Documentation: trace/objtrace: Move the line entering the trace directory to the first step, so that the commands in the first step can be executed smoothly. Signed-off-by: Renhai <rh_king@163.com> ./events/kprobes/p_bio_add_page_0/trigger