kernel-packages team mailing list archive

Thread
Date

[Bug 1470578] Comment bridged from LTC Bugzilla

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: bugproxy <bugproxy@xxxxxxxxxx>
Date: Thu, 02 Jul 2015 09:50:40 -0000
Reply-to: Bug 1470578 <1470578@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

------- Comment From vaish123@xxxxxxxxxx 2015-07-02 09:41 EDT-------
FYI, Bug ID https://bugzilla.linux.ibm.com/page.cgi?id=track/proxy.html&bug_id=120252 tracks similiar issue on 15.04 and Sukadev Bhattiprolu have provided the fix.

This fix has been merged into linux-tip:
http://git.kernel.org/cgit/linux/kernel/git/tip/tip.git/commit/?id=7951722da2963cc1f1a7831a37aa2311ac927056

commit 7951722da2963cc1f1a7831a37aa2311ac927056
Author: Sukadev Bhattiprolu <sukadev@xxxxxxxxxxxxxxxxxx>
Date:   Fri Jun 12 01:28:36 2015 -0400

perf trace: Fix race condition at the end of started workloads

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1470578

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

Status in linux package in Ubuntu:
  New

Bug description:
  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

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1470578/+subscriptions