linux-kernel - Re: [PATCH v3 0/5] powerpc/perf: Miscellaneous fixes

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Date:	Mon, 6 Oct 2014 23:23:05 -0700
From:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>, ak@...ux.intel.com,
	Jiri Olsa <jolsa@...hat.com>, peterz@...radead.org,
	eranian@...gle.com, Paul Mackerras <paulus@...ba.org>
Cc:	Michael Ellerman <michaele@....ibm.com>,
	linux-kernel@...r.kernel.org, dev@...yps.com,
	linuxppc-dev@...ts.ozlabs.org,
	Anshuman Khandual <khandual@...ux.vnet.ibm.com>
Subject: Re: [PATCH v3 0/5] powerpc/perf: Miscellaneous fixes

Sukadev Bhattiprolu [sukadev@...ux.vnet.ibm.com] wrote:
| Miscellaenous fixes for perf and 24x7 counters in powerpc.
| 
| Patches 1,3,4 were submitted earlier as a part of the parametrized
| events for 24x7 counters. But they are not directly related to the
| parametrized events.
| 
| Patch 2 simplifies and fixes a bug in catalog_read() which causes the
| catalog file to not read first page.
| 
| Changelog[v3]
| 	[Michael Ellerman] Cleanup patches 1 and 2 and fix a bug
| 	Add patch 5/5 to update contact info for 24x7 and GPCI counters
| 
| Changelog[v2]
| 	Rebase to perf/core tree.
| 
| Cody P Schafer (3):
|   powerpc/perf/hv-24x7: use kmem_cache instead of aligned stack
|     allocations
|   perf Documentation: sysfs events/ interfaces
|   perf Documentation: remove duplicated docs for powerpc cpu specific
|     events

Per Michael Ellerman's suggestion, attaching an informal test case to
demonstrate the bug and the fix.

Sukadev

View attachment "cp-catalog.c" of type "text/x-csrc" (1421 bytes)