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From: Ingo Molnar <mingo@kernel.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Arnaldo Carvalho de Melo <acme@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: [GIT PULL] perf fix
Date: Wed, 23 May 2012 20:50:54 +0200	[thread overview]
Message-ID: <20120523185054.GA17700@gmail.com> (raw)

Linus,

Please pull the latest perf-urgent-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf-urgent-for-linus

   HEAD: 5bcdf5e4fee3c45e1281c25e4941f2163cb28c65 perf/x86: Update event scheduling constraints for AMD family 15h models

Leftover AMD PMU driver fix fix from the end of the v3.4 
stabilization cycle.

 Thanks,

	Ingo

------------------>
Robert Richter (1):
      perf/x86: Update event scheduling constraints for AMD family 15h models


 arch/x86/kernel/cpu/perf_event_amd.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c
index 95e7fe1..9edc786 100644
--- a/arch/x86/kernel/cpu/perf_event_amd.c
+++ b/arch/x86/kernel/cpu/perf_event_amd.c
@@ -493,6 +493,7 @@ static __initconst const struct x86_pmu amd_pmu = {
  * 0x023	DE	PERF_CTL[2:0]
  * 0x02D	LS	PERF_CTL[3]
  * 0x02E	LS	PERF_CTL[3,0]
+ * 0x031	LS	PERF_CTL[2:0] (**)
  * 0x043	CU	PERF_CTL[2:0]
  * 0x045	CU	PERF_CTL[2:0]
  * 0x046	CU	PERF_CTL[2:0]
@@ -506,10 +507,12 @@ static __initconst const struct x86_pmu amd_pmu = {
  * 0x0DD	LS	PERF_CTL[5:0]
  * 0x0DE	LS	PERF_CTL[5:0]
  * 0x0DF	LS	PERF_CTL[5:0]
+ * 0x1C0	EX	PERF_CTL[5:3]
  * 0x1D6	EX	PERF_CTL[5:0]
  * 0x1D8	EX	PERF_CTL[5:0]
  *
- * (*) depending on the umask all FPU counters may be used
+ * (*)  depending on the umask all FPU counters may be used
+ * (**) only one unitmask enabled at a time
  */
 
 static struct event_constraint amd_f15_PMC0  = EVENT_CONSTRAINT(0, 0x01, 0);
@@ -559,6 +562,12 @@ amd_get_event_constraints_f15h(struct cpu_hw_events *cpuc, struct perf_event *ev
 			return &amd_f15_PMC3;
 		case 0x02E:
 			return &amd_f15_PMC30;
+		case 0x031:
+			if (hweight_long(hwc->config & ARCH_PERFMON_EVENTSEL_UMASK) <= 1)
+				return &amd_f15_PMC20;
+			return &emptyconstraint;
+		case 0x1C0:
+			return &amd_f15_PMC53;
 		default:
 			return &amd_f15_PMC50;
 		}

             reply	other threads:[~2012-05-23 18:51 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-23 18:50 Ingo Molnar [this message]
2012-05-23 18:56 ` [GIT PULL] perf fix Josh Boyer
2012-05-23 18:57   ` Josh Boyer
2012-05-23 20:04   ` Ingo Molnar
2012-05-23 20:10     ` Josh Boyer
2012-05-23 20:20       ` Ingo Molnar
  -- strict thread matches above, loose matches on Subject: below --
2024-04-07  7:55 Ingo Molnar
2024-04-07 16:44 ` pr-tracker-bot
2021-06-24  7:01 Ingo Molnar
2021-06-24 16:34 ` pr-tracker-bot
2020-10-11  8:00 Ingo Molnar
2020-10-11 18:23 ` pr-tracker-bot
2020-06-28 18:33 Ingo Molnar
2020-06-28 22:05 ` pr-tracker-bot
2019-09-12  8:39 Ingo Molnar
2019-09-12 10:15 ` pr-tracker-bot
2019-04-27 14:38 Ingo Molnar
2019-04-27 18:45 ` pr-tracker-bot
2018-01-17 15:27 Ingo Molnar
2017-10-27 19:14 Ingo Molnar
2017-08-26  7:12 Ingo Molnar
2016-07-13 12:49 Ingo Molnar
2016-05-10 11:43 Ingo Molnar
2016-04-23 11:24 Ingo Molnar
2015-03-28 10:24 Ingo Molnar
2013-12-17 13:35 Ingo Molnar
2013-09-28 18:03 [GIT PULL] perf fixes Ingo Molnar
2013-09-29 11:47 ` Markus Trippelsdorf
2013-09-29 14:26   ` [GIT PULL] perf fix Ingo Molnar
2013-09-03 13:37 Ingo Molnar
2013-06-27 13:11 Ingo Molnar
2013-04-27  7:50 Ingo Molnar
2012-03-03  7:50 Ingo Molnar
2011-12-17 20:53 Ingo Molnar
2011-10-01  7:52 Ingo Molnar
2011-07-23  8:57 Ingo Molnar
2010-05-15  6:00 Ingo Molnar
2010-05-04 17:52 Ingo Molnar
2010-04-20  7:32 Ingo Molnar
2010-04-08 13:52 [PATCH] perf: Fix unsafe frame rewinding with hot regs fetching Eric Dumazet
2010-04-08 17:31 ` [GIT PULL] perf fix Frederic Weisbecker
2010-04-13 22:51   ` Ingo Molnar

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