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Date: Fri, 31 May 2013 05:22:56 -0700
From: tip-bot for Sukadev Bhattiprolu <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: acme@...hat.com, linux-kernel@...r.kernel.org, paulus@...ba.org,
hpa@...or.com, mingo@...nel.org, benh@...nel.crashing.org,
tglx@...utronix.de, sukadev@...ux.vnet.ibm.com
Subject: [tip:perf/core] perf: Power7:
Make CPI stack events available in sysfs
Commit-ID: bd1060eb7b46968a8fbdc58e7d8b4575406a5c93
Gitweb: http://git.kernel.org/tip/bd1060eb7b46968a8fbdc58e7d8b4575406a5c93
Author: Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
AuthorDate: Sat, 6 Apr 2013 08:48:26 -0700
Committer: Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 29 May 2013 16:04:18 +0300
perf: Power7: Make CPI stack events available in sysfs
A set of Power7 events are often used for Cycles Per Instruction (CPI) stack
analysis. Make these events available in sysfs (/sys/devices/cpu/events/) so
they can be identified using their symbolic names:
perf stat -e 'cpu/PM_CMPLU_STALL_DCACHE_MISS/' /bin/ls
Signed-off-by: Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Acked-by: Paul Mackerras <paulus@...ba.org>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: linuxppc-dev@...abs.org
Link: http://lkml.kernel.org/r/20130406164803.GA408@us.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
arch/powerpc/perf/power7-pmu.c | 73 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 73 insertions(+)
diff --git a/arch/powerpc/perf/power7-pmu.c b/arch/powerpc/perf/power7-pmu.c
index 3c475d6..13c3f0e 100644
--- a/arch/powerpc/perf/power7-pmu.c
+++ b/arch/powerpc/perf/power7-pmu.c
@@ -62,6 +62,29 @@
#define PME_PM_BRU_FIN 0x10068
#define PME_PM_BRU_MPRED 0x400f6
+#define PME_PM_CMPLU_STALL_FXU 0x20014
+#define PME_PM_CMPLU_STALL_DIV 0x40014
+#define PME_PM_CMPLU_STALL_SCALAR 0x40012
+#define PME_PM_CMPLU_STALL_SCALAR_LONG 0x20018
+#define PME_PM_CMPLU_STALL_VECTOR 0x2001c
+#define PME_PM_CMPLU_STALL_VECTOR_LONG 0x4004a
+#define PME_PM_CMPLU_STALL_LSU 0x20012
+#define PME_PM_CMPLU_STALL_REJECT 0x40016
+#define PME_PM_CMPLU_STALL_ERAT_MISS 0x40018
+#define PME_PM_CMPLU_STALL_DCACHE_MISS 0x20016
+#define PME_PM_CMPLU_STALL_STORE 0x2004a
+#define PME_PM_CMPLU_STALL_THRD 0x1001c
+#define PME_PM_CMPLU_STALL_IFU 0x4004c
+#define PME_PM_CMPLU_STALL_BRU 0x4004e
+#define PME_PM_GCT_NOSLOT_IC_MISS 0x2001a
+#define PME_PM_GCT_NOSLOT_BR_MPRED 0x4001a
+#define PME_PM_GCT_NOSLOT_BR_MPRED_IC_MISS 0x4001c
+#define PME_PM_GRP_CMPL 0x30004
+#define PME_PM_1PLUS_PPC_CMPL 0x100f2
+#define PME_PM_CMPLU_STALL_DFU 0x2003c
+#define PME_PM_RUN_CYC 0x200f4
+#define PME_PM_RUN_INST_CMPL 0x400fa
+
/*
* Layout of constraint bits:
* 6666555555555544444444443333333333222222222211111111110000000000
@@ -393,6 +416,31 @@ POWER_EVENT_ATTR(LD_MISS_L1, LD_MISS_L1);
POWER_EVENT_ATTR(BRU_FIN, BRU_FIN)
POWER_EVENT_ATTR(BRU_MPRED, BRU_MPRED);
+POWER_EVENT_ATTR(CMPLU_STALL_FXU, CMPLU_STALL_FXU);
+POWER_EVENT_ATTR(CMPLU_STALL_DIV, CMPLU_STALL_DIV);
+POWER_EVENT_ATTR(CMPLU_STALL_SCALAR, CMPLU_STALL_SCALAR);
+POWER_EVENT_ATTR(CMPLU_STALL_SCALAR_LONG, CMPLU_STALL_SCALAR_LONG);
+POWER_EVENT_ATTR(CMPLU_STALL_VECTOR, CMPLU_STALL_VECTOR);
+POWER_EVENT_ATTR(CMPLU_STALL_VECTOR_LONG, CMPLU_STALL_VECTOR_LONG);
+POWER_EVENT_ATTR(CMPLU_STALL_LSU, CMPLU_STALL_LSU);
+POWER_EVENT_ATTR(CMPLU_STALL_REJECT, CMPLU_STALL_REJECT);
+
+POWER_EVENT_ATTR(CMPLU_STALL_ERAT_MISS, CMPLU_STALL_ERAT_MISS);
+POWER_EVENT_ATTR(CMPLU_STALL_DCACHE_MISS, CMPLU_STALL_DCACHE_MISS);
+POWER_EVENT_ATTR(CMPLU_STALL_STORE, CMPLU_STALL_STORE);
+POWER_EVENT_ATTR(CMPLU_STALL_THRD, CMPLU_STALL_THRD);
+POWER_EVENT_ATTR(CMPLU_STALL_IFU, CMPLU_STALL_IFU);
+POWER_EVENT_ATTR(CMPLU_STALL_BRU, CMPLU_STALL_BRU);
+POWER_EVENT_ATTR(GCT_NOSLOT_IC_MISS, GCT_NOSLOT_IC_MISS);
+
+POWER_EVENT_ATTR(GCT_NOSLOT_BR_MPRED, GCT_NOSLOT_BR_MPRED);
+POWER_EVENT_ATTR(GCT_NOSLOT_BR_MPRED_IC_MISS, GCT_NOSLOT_BR_MPRED_IC_MISS);
+POWER_EVENT_ATTR(GRP_CMPL, GRP_CMPL);
+POWER_EVENT_ATTR(1PLUS_PPC_CMPL, 1PLUS_PPC_CMPL);
+POWER_EVENT_ATTR(CMPLU_STALL_DFU, CMPLU_STALL_DFU);
+POWER_EVENT_ATTR(RUN_CYC, RUN_CYC);
+POWER_EVENT_ATTR(RUN_INST_CMPL, RUN_INST_CMPL);
+
static struct attribute *power7_events_attr[] = {
GENERIC_EVENT_PTR(CYC),
GENERIC_EVENT_PTR(GCT_NOSLOT_CYC),
@@ -411,6 +459,31 @@ static struct attribute *power7_events_attr[] = {
POWER_EVENT_PTR(LD_MISS_L1),
POWER_EVENT_PTR(BRU_FIN),
POWER_EVENT_PTR(BRU_MPRED),
+
+ POWER_EVENT_PTR(CMPLU_STALL_FXU),
+ POWER_EVENT_PTR(CMPLU_STALL_DIV),
+ POWER_EVENT_PTR(CMPLU_STALL_SCALAR),
+ POWER_EVENT_PTR(CMPLU_STALL_SCALAR_LONG),
+ POWER_EVENT_PTR(CMPLU_STALL_VECTOR),
+ POWER_EVENT_PTR(CMPLU_STALL_VECTOR_LONG),
+ POWER_EVENT_PTR(CMPLU_STALL_LSU),
+ POWER_EVENT_PTR(CMPLU_STALL_REJECT),
+
+ POWER_EVENT_PTR(CMPLU_STALL_ERAT_MISS),
+ POWER_EVENT_PTR(CMPLU_STALL_DCACHE_MISS),
+ POWER_EVENT_PTR(CMPLU_STALL_STORE),
+ POWER_EVENT_PTR(CMPLU_STALL_THRD),
+ POWER_EVENT_PTR(CMPLU_STALL_IFU),
+ POWER_EVENT_PTR(CMPLU_STALL_BRU),
+ POWER_EVENT_PTR(GCT_NOSLOT_IC_MISS),
+ POWER_EVENT_PTR(GCT_NOSLOT_BR_MPRED),
+
+ POWER_EVENT_PTR(GCT_NOSLOT_BR_MPRED_IC_MISS),
+ POWER_EVENT_PTR(GRP_CMPL),
+ POWER_EVENT_PTR(1PLUS_PPC_CMPL),
+ POWER_EVENT_PTR(CMPLU_STALL_DFU),
+ POWER_EVENT_PTR(RUN_CYC),
+ POWER_EVENT_PTR(RUN_INST_CMPL),
NULL
};
--
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