From 3f0bd8dad0db73f5d71b355aec5ab33b374260ba Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 19 Jun 2017 09:51:28 +1000
Subject: [PATCH] powerpc/perf: Add POWER9 alternate PM_RUN_CYC and
PM_RUN_INST_CMPL events
References: bsc#1137728, LTC#178106
Patch-mainline: v4.13-rc1
Git-commit: 3f0bd8dad0db73f5d71b355aec5ab33b374260ba
Similar to POWER8, POWER9 can count run cycles and run instructions
completed on more than one PMU.
Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Michal Suchanek <msuchanek@suse.de>
---
arch/powerpc/perf/power9-events-list.h | 4 ++++
arch/powerpc/perf/power9-pmu.c | 2 ++
2 files changed, 6 insertions(+)
diff --git a/arch/powerpc/perf/power9-events-list.h b/arch/powerpc/perf/power9-events-list.h
index 80204e064362..50689180a6c1 100644
--- a/arch/powerpc/perf/power9-events-list.h
+++ b/arch/powerpc/perf/power9-events-list.h
@@ -51,8 +51,12 @@ EVENT(PM_DTLB_MISS, 0x300fc)
EVENT(PM_ITLB_MISS, 0x400fc)
/* Run_Instructions */
EVENT(PM_RUN_INST_CMPL, 0x500fa)
+/* Alternate event code for PM_RUN_INST_CMPL */
+EVENT(PM_RUN_INST_CMPL_ALT, 0x400fa)
/* Run_cycles */
EVENT(PM_RUN_CYC, 0x600f4)
+/* Alternate event code for Run_cycles */
+EVENT(PM_RUN_CYC_ALT, 0x200f4)
/* Instruction Dispatched */
EVENT(PM_INST_DISP, 0x200f2)
EVENT(PM_INST_DISP_ALT, 0x300f2)
diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c
index f17435e4a489..2280cf87ff9c 100644
--- a/arch/powerpc/perf/power9-pmu.c
+++ b/arch/powerpc/perf/power9-pmu.c
@@ -107,6 +107,8 @@ extern struct attribute_group isa207_pmu_format_group;
/* Table of alternatives, sorted by column 0 */
static const unsigned int power9_event_alternatives[][MAX_ALT] = {
{ PM_INST_DISP, PM_INST_DISP_ALT },
+ { PM_RUN_CYC_ALT, PM_RUN_CYC },
+ { PM_RUN_INST_CMPL_ALT, PM_RUN_INST_CMPL },
};
static int power9_get_alternatives(u64 event, unsigned int flags, u64 alt[])
--
2.21.0