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*** This bug is a duplicate of bug 1410673 ***
    https://bugs.launchpad.net/bugs/1410673

------- Comment From pavsubra@xxxxxxxxxx 2015-12-18 10:28 EDT-------
I have installed Ubuntu 14.04.3 ISO on a Power 8 Bare Metal Hardware.
Then executed the same test scenario again on the OS.

root@lep8d:~# uname -a
Linux lep8d 3.19.0-41-generic #46~14.04.2-Ubuntu SMP Tue Dec 8 17:45:57 UTC 2015 ppc64le ppc64le ppc64le GNU/Linux
root@lep8d:~# cat /etc/os-release
NAME="Ubuntu"
VERSION="14.04.3 LTS, Trusty Tahr"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 14.04.3 LTS"
VERSION_ID="14.04"
HOME_URL="http://www.ubuntu.com/";
SUPPORT_URL="http://help.ubuntu.com/";
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/";

root@lep8d:~# perf trace sleep 1
root@lep8d:~# echo $?
0
root@lep8d:~# which perf
/usr/bin/perf

root@lep8d:~# dpkg -S /usr/bin/perf
linux-tools-common: /usr/bin/perf
root@lep8d:~# dpkg --list | grep linux-tools
ii  linux-tools-3.19.0-41-generic       3.19.0-41.46~14.04.2             ppc64el      Linux kernel version specific tools for version 3.19.0-41
ii  linux-tools-common                  3.13.0-73.116                    all          Linux kernel version specific tools for version 3.13.0

The issue is still happening with the latest Ubuntu 14.04.3 release.

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https://bugs.launchpad.net/bugs/1470578

Title:
  perf trace sleep 1 command is not giving any output

Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Vivid:
  In Progress

Bug description:
  [Impact]
  perf trace sleep 1 command is not giving any output

  [Test Case]
  # perf trace sleep 1

  [Fix]
  $ git describe 7951722da2963cc1f1a7831a37aa2311ac927056
  v4.1-rc5-310-g7951722

  --

  Problem Description
  =====================
  perf trace sleep 1 command is not giving any output

  ---uname output---
  Linux alp15 3.19.0-20-generic #20~14.04.1-Ubuntu SMP Sat May 30 00:14:50 UTC 2015 ppc64le ppc64le ppc64le GNU/Linux

  Machine Type = P8

  Steps to Reproduce
  =======================
  Install a P8 Power VM LPAR with Ubuntu 14.04.2 ISO image.
  Then install the Ubuntu 14.04.3 kernel on the same and reboot.

  root@alp15:~# perf trace sleep 1
  root@alp15:~# echo $?
  0
  root@alp15:~# which perf
  /usr/bin/perf
  root@alp15:~# dpkg -S /usr/bin/perf
  linux-tools-common: /usr/bin/perf
  root@alp15:~# dpkg --list | grep linux-tools
  ii  linux-tools-3.19.0-20-generic              3.19.0-20.20~14.04.1                       ppc64el      Linux kernel version specific tools for version 3.19.0-20
  ii  linux-tools-common                         3.13.0-54.91                               all          Linux kernel version specific tools for version 3.13.0

  Userspace tool common name: /usr/bin/perf
  Userspace rpm: linux-tools-common
   The userspace tool has the following bit modes: 64-bit

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