** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Yakkety)
Importance: Undecided
Assignee: Taco Screen team (taco-screen-team)
Status: New
** Changed in: linux (Ubuntu Xenial)
Status: New => In Progress
** Changed in: linux (Ubuntu Xenial)
Assignee: (unassigned) => Tim Gardner (timg-tpi)
** Changed in: linux (Ubuntu Yakkety)
Status: New => Fix Released
** Changed in: linux (Ubuntu Yakkety)
Assignee: Taco Screen team (taco-screen-team) => (unassigned)
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https://bugs.launchpad.net/bugs/1578211
Title:
perf tool: Display event codes for Generic HW (PMU) events
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
In Progress
Status in linux source package in Yakkety:
Fix Released
Bug description:
== Comment: #0 - Sukadev Bhattiprolu <s...@us.ibm.com> - 2016-01-26 13:49:00
==
+++ This bug was initially created as a clone of Bug #136063 +++
+++ This bug was initially created as a clone of Bug #136062 +++
Perf supports a small set of so-called "generic" PMU events like "cycles",
"instructions" etc. But most CPUs support a wide variety of events, several
closely related to run cycles or instructions or branches etc. For performance
analysis it would be useful to know precisely which PMU event is being
monitored by a generic event. This feature is to design/implement a mechanism
to display the precise raw event codes for the generic events in a suitable
file in sysfs.
Following is a posting of the small patch set to the community
https://lkml.org/lkml/2016/1/11/982
== Comment: #3 - Diane Brent <drbr...@us.ibm.com> - 2016-03-01 13:59:30 ==
Any new news from maintainer? When is deemed too late to try to get this in
16.04? Feature freeze is passed. Kernel freeze is 4/07. Will this target
16.04.1/16.10?
== Comment: #5 - Sukadev Bhattiprolu <s...@us.ibm.com> - 2016-03-23 20:44:20
==
The patches were merged into mainline recently:
commit d4969e2
Author: Sukadev Bhattiprolu <suka...@linux.vnet.ibm.com>
Date: Mon Jan 11 14:55:25 2016 -0800
powerpc/perf: Remove PME_ prefix for power7 events
commit e0728b5
Author: Sukadev Bhattiprolu <suka...@linux.vnet.ibm.com>
Date: Mon Jan 11 14:55:26 2016 -0800
powerpc/perf: Export Power8 generic and cache events to sysfs
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/powerpc/perf/power7-pmu.c?id=d4969e2459c6e852a6862256cf8e869aaa3e8adf
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/powerpc/perf/power8-pmu.c?id=e0728b50d480da6be228dd160a43b37e4c0b1636
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