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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
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: architecture-ppc64le bot-comment bugnameltc-126351 severity-high
targetmilestone-inin14043
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perf trace sleep 1 command is not giving any output
https://bugs.launchpad.net/bugs/1470578
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