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From: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com>
To: rostedt@goodmis.org
Cc: linux-trace-devel@vger.kernel.org
Subject: [PATCH v2 0/3] Initial trace-cmd support for ftrace uprobes
Date: Thu, 24 Sep 2020 10:14:55 +0300
Message-ID: <20200924071458.101326-1-tz.stoyanov@gmail.com> (raw)

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

[
 v2 changes:
   - Renamed some internal trace-cmd functions, to not overlap the bfd
     library namespace. Suggested by Steven Rostedt.
]

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 +
 tracecmd/Makefile              |   2 +
 tracecmd/include/trace-local.h |  56 ++-
 tracecmd/trace-obj-debug.c     | 823 +++++++++++++++++++++++++++++++++
 tracecmd/trace-record.c        | 193 ++++----
 tracecmd/trace-uprobes.c       | 221 +++++++++
 tracecmd/trace-usage.c         |   4 +
 7 files changed, 1195 insertions(+), 114 deletions(-)
 create mode 100644 tracecmd/trace-obj-debug.c
 create mode 100644 tracecmd/trace-uprobes.c

-- 
2.26.2


             reply index

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

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