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From: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
To: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Jiri Olsa <jolsa@kernel.org>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Stephane Eranian <eranian@gmail.com>,
	Russell King <linux@arm.linux.org.uk>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Subject: [PATCH 08/13] powerpc/perf: Add support for perf_arch_regs for newer Power processor
Date: Mon, 29 Aug 2016 02:30:53 +0530	[thread overview]
Message-ID: <1472418058-28659-9-git-send-email-maddy@linux.vnet.ibm.com> (raw)
In-Reply-To: <1472418058-28659-1-git-send-email-maddy@linux.vnet.ibm.com>

Add code to define support functions and registers mask for
Power8 and later processor.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Stephane Eranian <eranian@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
---
 arch/powerpc/perf/isa207-common.c | 18 ++++++++++++++++++
 arch/powerpc/perf/isa207-common.h | 10 ++++++++++
 arch/powerpc/perf/power8-pmu.c    |  2 ++
 arch/powerpc/perf/power9-pmu.c    |  2 ++
 4 files changed, 32 insertions(+)

diff --git a/arch/powerpc/perf/isa207-common.c b/arch/powerpc/perf/isa207-common.c
index 6143c99f3ec5..43931c695ecb 100644
--- a/arch/powerpc/perf/isa207-common.c
+++ b/arch/powerpc/perf/isa207-common.c
@@ -261,3 +261,21 @@ void isa207_disable_pmc(unsigned int pmc, unsigned long mmcr[])
 	if (pmc <= 3)
 		mmcr[1] &= ~(0xffUL << MMCR1_PMCSEL_SHIFT(pmc + 1));
 }
+
+void isa207_get_arch_regs(struct perf_arch_regs *regs)
+{
+	regs->regs[PERF_ARCH_REG_POWERPC_PVR] = mfspr(SPRN_PVR);
+	regs->regs[PERF_ARCH_REG_POWERPC_PMC1] = mfspr(SPRN_PMC1);
+	regs->regs[PERF_ARCH_REG_POWERPC_PMC2] = mfspr(SPRN_PMC2);
+	regs->regs[PERF_ARCH_REG_POWERPC_PMC3] = mfspr(SPRN_PMC3);
+	regs->regs[PERF_ARCH_REG_POWERPC_PMC4] = mfspr(SPRN_PMC4);
+	regs->regs[PERF_ARCH_REG_POWERPC_PMC5] = mfspr(SPRN_PMC5);
+	regs->regs[PERF_ARCH_REG_POWERPC_PMC6] = mfspr(SPRN_PMC6);
+	regs->regs[PERF_ARCH_REG_POWERPC_MMCR0] = mfspr(SPRN_MMCR0);
+	regs->regs[PERF_ARCH_REG_POWERPC_MMCR1] = mfspr(SPRN_MMCR1);
+	regs->regs[PERF_ARCH_REG_POWERPC_SIER] = mfspr(SPRN_SIER);
+	regs->regs[PERF_ARCH_REG_POWERPC_SIAR] = mfspr(SPRN_SIAR);
+	regs->regs[PERF_ARCH_REG_POWERPC_SDAR] = mfspr(SPRN_SDAR);
+	regs->regs[PERF_ARCH_REG_POWERPC_MMCRA] = mfspr(SPRN_MMCRA);
+	regs->regs[PERF_ARCH_REG_POWERPC_MMCR2] = mfspr(SPRN_MMCR2);
+}
diff --git a/arch/powerpc/perf/isa207-common.h b/arch/powerpc/perf/isa207-common.h
index 4d0a4e5017c2..94bf8dd548ac 100644
--- a/arch/powerpc/perf/isa207-common.h
+++ b/arch/powerpc/perf/isa207-common.h
@@ -16,6 +16,7 @@
 #include <linux/perf_event.h>
 #include <asm/firmware.h>
 #include <asm/cputable.h>
+#include <uapi/asm/perf_regs.h>
 
 /*
  * Raw event encoding for PowerISA v2.07:
@@ -227,10 +228,19 @@
 #define MAX_ALT				2
 #define MAX_PMU_COUNTERS		6
 
+#define	ISA207_ARCH_REGS_MASK  (PERF_ARCH_REG_PVR |\
+		PERF_ARCH_REG_PMC1 | PERF_ARCH_REG_PMC2 |\
+		PERF_ARCH_REG_PMC3 | PERF_ARCH_REG_PMC4 |\
+		PERF_ARCH_REG_PMC5 | PERF_ARCH_REG_PMC6 |\
+		PERF_ARCH_REG_MMCR0 | PERF_ARCH_REG_MMCR1 |\
+		PERF_ARCH_REG_SIER | PERF_ARCH_REG_SIAR |\
+		PERF_ARCH_REG_SDAR | PERF_ARCH_REG_MMCRA | PERF_ARCH_REG_MMCR2)
+
 int isa207_get_constraint(u64 event, unsigned long *maskp, unsigned long *valp);
 int isa207_compute_mmcr(u64 event[], int n_ev,
 				unsigned int hwc[], unsigned long mmcr[],
 				struct perf_event *pevents[]);
 void isa207_disable_pmc(unsigned int pmc, unsigned long mmcr[]);
+void isa207_get_arch_regs(struct perf_arch_regs *regs);
 
 #endif
diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c
index 5fde2b192fec..8c8bc5083eb2 100644
--- a/arch/powerpc/perf/power8-pmu.c
+++ b/arch/powerpc/perf/power8-pmu.c
@@ -394,6 +394,8 @@ static struct power_pmu power8_pmu = {
 	.cache_events		= &power8_cache_events,
 	.attr_groups		= power8_pmu_attr_groups,
 	.bhrb_nr		= 32,
+	.ar_mask		= ISA207_ARCH_REGS_MASK,
+	.get_arch_regs		= isa207_get_arch_regs,
 };
 
 static int __init init_power8_pmu(void)
diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c
index 788346303852..1e66ec36b90f 100644
--- a/arch/powerpc/perf/power9-pmu.c
+++ b/arch/powerpc/perf/power9-pmu.c
@@ -307,6 +307,8 @@ static struct power_pmu power9_pmu = {
 	.cache_events		= &power9_cache_events,
 	.attr_groups		= power9_pmu_attr_groups,
 	.bhrb_nr		= 32,
+	.ar_mask                = ISA207_ARCH_REGS_MASK,
+	.get_arch_regs          = isa207_get_arch_regs,
 };
 
 static int __init init_power9_pmu(void)
-- 
2.7.4

  parent reply	other threads:[~2016-08-28 21:02 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-28 21:00 [PATCH 00/13] Add support for perf_arch_regs Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 01/13] perf/core: Add perf_arch_regs and mask to perf_regs structure Madhavan Srinivasan
2016-08-28 21:22   ` kbuild test robot
2016-08-28 23:41   ` kbuild test robot
2016-08-29  0:21   ` kbuild test robot
2016-09-01  7:26   ` Peter Zijlstra
2016-09-06  4:25     ` Madhavan Srinivasan
2016-09-06  9:10       ` Peter Zijlstra
2016-09-09  0:44         ` Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 02/13] perf/core: Extend perf_sample_regs_intr() to include perf_arch_regs update Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 03/13] perf/core: Update perf_*_sample() to include perf_arch_regs Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 04/13] perf/core: Extend perf_output_sample_regs() " Madhavan Srinivasan
2016-08-30 16:11   ` Nilay Vaish
2016-09-01  3:42     ` Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 05/13] powerpc/perf: Define enums for perf_arch_regs registers Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 06/13] powerpc/perf: Add support for perf_arch_regs in powerpc Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 07/13] powerpc/perf: Add support for perf_arch_regs for Power7 processor Madhavan Srinivasan
2016-08-28 21:00 ` Madhavan Srinivasan [this message]
2016-08-28 21:00 ` [PATCH 09/13] powerpc/perf: Add support for perf_arch_regs for PPC970 processor Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 10/13] tool/perf: Add support for perf_arch_regs Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 11/13] tools/perf: Fix the mask in regs_dump__printf and print_sample_iregs Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 12/13] tool/perf: Add perf_arch_reg mask and arch_reg_names structure Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 13/13] powerpc/perf: Add support to dump only arch_regs Madhavan Srinivasan
2016-08-30 16:01 ` [PATCH 00/13] Add support for perf_arch_regs Nilay Vaish
2016-09-01  3:08   ` Madhavan Srinivasan

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