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From: Steven Rostedt <rostedt@goodmis.org>
To: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com>
Cc: linux-trace-devel@vger.kernel.org
Subject: Re: [PATCH v2 0/3] Initial trace-cmd support for ftrace uprobes
Date: Wed, 16 Sep 2020 09:26:44 -0400
Message-ID: <20200916092644.1d94cdc2@gandalf.local.home> (raw)
In-Reply-To: <20200916114709.291533-1-tz.stoyanov@gmail.com>

On Wed, 16 Sep 2020 14:47:06 +0300
"Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com> wrote:

> Ftrace supports uprobes - trace events on user space applications.
> Trace-cmd cannot configure uprobes, in order to support it this new
> functionality is introduced: 
>  - Function name to file offset mapping, this information is extracted
>   from the dwarf and ELF headers in the binary file.
>  - New options are added to "trace-cmd record" for setting a uprobe:
>     --uprobe file:function
>     --uprobe-ret file:function

Thanks Tzvetomir,

I'll take a look at this.

-- Steve

> 
> Tzvetomir Stoyanov (VMware) (3):
>   trace-cmd: Internal refactoring of pid address map logic
>   trace-cmd: New internal APIs for reading ELF header
>   trace-cmd: [POC] Add support for uprobes
> 
>  Makefile                       |  10 +
>  include/trace-cmd/trace-cmd.h  |   9 +
>  tracecmd/Makefile              |   2 +
>  tracecmd/include/trace-local.h |  49 +-
>  tracecmd/trace-obj-debug.c     | 823 +++++++++++++++++++++++++++++++++
>  tracecmd/trace-record.c        | 193 ++++----
>  tracecmd/trace-uprobes.c       | 221 +++++++++
>  tracecmd/trace-usage.c         |   4 +
>  8 files changed, 1197 insertions(+), 114 deletions(-)
>  create mode 100644 tracecmd/trace-obj-debug.c
>  create mode 100644 tracecmd/trace-uprobes.c
> 


  parent reply index

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-16 11:47 Tzvetomir Stoyanov (VMware)
2020-09-16 11:47 ` [PATCH v2 1/3] trace-cmd: Internal refactoring of pid address map logic Tzvetomir Stoyanov (VMware)
2020-09-16 11:47 ` [PATCH v2 2/3] trace-cmd: New internal APIs for reading ELF header Tzvetomir Stoyanov (VMware)
2020-09-17 13:42   ` Steven Rostedt
2020-09-16 11:47 ` [PATCH v2 3/3] trace-cmd: [POC] Add support for uprobes Tzvetomir Stoyanov (VMware)
2020-09-16 13:26 ` Steven Rostedt [this message]
2020-09-17  1:07 ` [PATCH v2 0/3] Initial trace-cmd support for ftrace uprobes Steven Rostedt
2020-09-24  7:14 Tzvetomir Stoyanov (VMware)

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