[PATCH] oprofile: add support for Cavium ThunderX2

Dave Aldridge <[email protected]> Fri, 8 Mar 2019 03:27:46 -0800
Newsgroups gmane.linux.oprofile
Message-ID <[email protected]>
This commit adds support for Cavium ThunderX2 devices.

Orabug: 29315936

Signed-off-by: Dave Aldridge <[email protected]>
Reviewed-by: Eric Saint-Etienne <[email protected]>
---
 events/Makefile.am                    |   1 +
 events/arm/armv8-thunderx2/events     | 115 ++++++++++++++++++++++++++++++++++
 events/arm/armv8-thunderx2/unit_masks |   3 +
 libop/op_cpu_type.c                   |   6 ++
 libop/op_cpu_type.h                   |   1 +
 libop/op_events.c                     |   1 +
 utils/ophelp.c                        |   7 +++
 7 files changed, 134 insertions(+)
 create mode 100644 events/arm/armv8-thunderx2/events
 create mode 100644 events/arm/armv8-thunderx2/unit_masks

diff --git a/events/Makefile.am b/events/Makefile.am
index 174df0b..c57f0eb 100644
--- a/events/Makefile.am
+++ b/events/Makefile.am
@@ -59,6 +59,7 @@ event_files = \
 	arm/armv8-xgene/events arm/armv8-xgene/unit_masks \
 	arm/armv8-ca57/events arm/armv8-ca57/unit_masks \
 	arm/armv8-ca53/events arm/armv8-ca53/unit_masks \
+	arm/armv8-thunderx2/events arm/armv8-thunderx2/unit_masks \
 	mips/20K/events mips/20K/unit_masks \
 	mips/24K/events mips/24K/unit_masks \
 	mips/25K/events mips/25K/unit_masks \
diff --git a/events/arm/armv8-thunderx2/events b/events/arm/armv8-thunderx2/events
new file mode 100644
index 0000000..5871f42
--- /dev/null
+++ b/events/arm/armv8-thunderx2/events
@@ -0,0 +1,115 @@
+# Cavium ThunderX2 events
+#
+# The ThunderX2 processor excludes a few of the basic ARMv8 architected events.
+# Thus, need to explicitly list them rather than include
+# arm/armv8-pmuv3-common
+
+# The basic ARMv8 architect events supported by ThunderX2
+event:0x00 um:zero minimum:500 name:SW_INCR : Instruction architecturally executed, condition code check pass, software increment
+event:0x01 um:zero minimum:5000 name:L1I_CACHE_REFILL : Level 1 instruction cache refill
+event:0x02 um:zero minimum:5000 name:L1I_TLB_REFILL : Level 1 instruction TLB refill
+event:0x03 um:zero minimum:5000 name:L1D_CACHE_REFILL : Level 1 data cache refill
+event:0x04 um:zero minimum:5000 name:L1D_CACHE : Level 1 data cache access
+event:0x05 um:zero minimum:5000 name:L1D_TLB_REFILL : Level 1 data TLB refill
+event:0x06 um:zero minimum:100000 name:LD_RETIRED : Instruction architecturally executed, condition code check pass, load
+event:0x07 um:zero minimum:100000 name:ST_RETIRED : Instruction architecturally executed, condition code check pass, store
+event:0x08 um:zero minimum:100000 name:INST_RETIRED : Instruction architecturally executed
+event:0x09 um:zero minimum:500 name:EXC_TAKEN : Exception taken
+event:0x0A um:zero minimum:500 name:EXC_RETURN : Instruction architecturally executed, condition code check pass, exception return
+event:0x0B um:zero minimum:500 name:CID_WRITE_RETIRED : Instruction architecturally executed, condition code check pass, write to CONTEXTIDR
+event:0x0C um:zero minimum:5000 name:PC_WRITE_RETIRED : Instruction architecturally executed, condition code check pass, software change of the PC
+event:0x0D um:zero minimum:5000 name:BR_IMMED_RETIRED : Instruction architecturally executed, immediate branch
+event:0x0E um:zero minimum:5000 name:BR_RETURN_RETIRED : Instruction architecturally executed, condition code check pass, procedure return
+event:0x0F um:zero minimum:500 name:UNALIGNED_LDST_RETIRED : Instruction architecturally executed, condition code check pass, unaligned load or store
+event:0x10 um:zero minimum:5000 name:BR_MIS_PRED : Mispredicted or not predicted branch speculatively executed
+event:0x11 um:zero minimum:100000 name:CPU_CYCLES : Cycle
+event:0x12 um:zero minimum:5000 name:BR_PRED : Predictable branch speculatively executed
+event:0x13 um:zero minimum:100000 name:MEM_ACCESS : Data memory access
+event:0x14 um:zero minimum:5000 name:L1I_CACHE : Level 1 instruction cache access
+# event:0x15 um:zero minimum:5000 name:L1D_CACHE_WB : Level 1 data cache write-back
+# event:0x16 um:zero minimum:5000 name:L2D_CACHE : Level 2 data cache access
+# event:0x17 um:zero minimum:5000 name:L2D_CACHE_REFILL : Level 2 data cache refill
+# event:0x18 um:zero minimum:5000 name:L2D_CACHE_WB : Level 2 data cache write-back
+# event:0x19 um:zero minimum:5000 name:BUS_ACCESS : Bus access
+event:0x1A um:zero minimum:500 name:MEMORY_ERROR : Local memory error
+event:0x1B um:zero minimum:100000 name:INST_SPEC : Operation speculatively executed
+event:0x1C um:zero minimum:5000 name:TTBR_WRITE_RETIRED : Instruction architecturally executed, condition code check pass, write to TTBR
+# event:0x1D um:zero minimum:5000 name:BUS_CYCLES : Bus cycle
+event:0x1E um:zero minimum:5000 name:CHAIN : Odd-numbered counters, increment the count by one for each overflow of the preceding even-numbered counter. Even-numbered counters there is no increment
+# event:0x1F um:zero minimum:5000 name:L1D_CACHE_ALLOCATE : Level 1 data cache allocation without refill
+# event:0x20 um:zero minimum:5000 name:L2D_CACHE_ALLOCATE : Level 2 data cache allocation without refill
+event:0x21 um:zero minimum:5000 name:BR_RETIRED : Instruction architecturally executed, branch
+event:0x22 um:zero minimum:5000 name:BR_MIS_PRED_RETIRED : Instruction architecturally executed, mispredicted branch
+event:0x23 um:zero minimum:5000 name:STALL_FRONTEND : No operation issued due to the frontend
+event:0x24 um:zero minimum:5000 name:STALL_BACKEND : No operation issued due to backend
+event:0x25 um:zero minimum:5000 name:L1D_TLB : Attributable Level 1 data or unified TLB access
+event:0x26 um:zero minimum:5000 name:L1I_TLB : Attributable Level 1 instruction TLB access
+event:0x27 um:zero minimum:5000 name:L2I_CACHE : Attributable Level 2 instruction cache access
+event:0x28 um:zero minimum:5000 name:L2I_CACHE_REFILL : Attributable Level 2 instruction cache refill
+# event: 0x29 um:zero minimum:5000 name:L3D_CACHE_ALLOCATE : Attributable Level 3 data or unified cache allocation without refill
+event:0x2A um:zero minimum:5000 name:L3D_CACHE_REFILL : Attributable Level 3 data cache refill
+event:0x2B um:zero minimum:5000 name:L3D_CACHE : Attributable Level 3 data cache access
+event:0x2C um:zero minimum:5000 name:L3D_CACHE_WB : Attributable Level 3 data or unified cache write-back
+event:0x2D um:zero minimum:5000 name:L2D_TLB_REFILL : Attributable Level 2 data or unified TLB refill
+event:0x2E um:zero minimum:5000 name:L2I_TLB_REFILL : Attributable Level 2 instruction TLB refill
+event:0x2F um:zero minimum:5000 name:L2D_TLB : Attributable Level 2 data or unified TLB access
+# event: 0x30 um:zero minimum:5000 name:L2I_TLB : Attributable Level 2 instruction TLB access
+# event: 0x31 um:zero minimum:5000 name:REMOTE_ACCESS : Attributable access to another socket in a multi-socket system
+event:0x32 um:zero minimum:5000 name:LL_CACHE : Attributable Last Level data cache access
+event:0x33 um:zero minimum:5000 name:LL_CACHE_MISS : Attributable Last level data or unified cache miss
+event:0x34 um:zero minimum:5000 name:DTLB_WALK : Attributable data or unified TLB access with at least one translation table walk
+event:0x35 um:zero minimum:5000 name:ITLB_WALK : Attributable instruction TLB access with at least one translation table walk
+event:0x36 um:zero minimum:5000 name:LL_CACHE_RD : Attributable Last Level cache memory read
+event:0x37 um:zero minimum:5000 name:LL_CACHE_MISS_RD : Attributable Last Level cache memory read miss
+
+# ThunderX2 specific events
+event:0x040 um:zero minimum:10007 name:L1D_CACHE_LD : L1 data cache access - Read
+event:0x041 um:zero minimum:10007 name:L1D_CACHE_ST : L1 data cache access - Write
+event:0x042 um:zero minimum:10007 name:L1D_CACHE_REFILL_LD : L1 data cache refill - Read
+event:0x048 um:zero minimum:10007 name:L1D_CACHE_INVAL : L1 data cache invalidate
+event:0x04C um:zero minimum:10007 name:L1D_TLB_REFILL_LD : L1 data TLB refill - Read
+event:0x04D um:zero minimum:10007 name:L1D_TLB_REFILL_ST : L1 data TLB refill - Write
+event:0x04E um:zero minimum:10007 name:L1D_TLB_LD : L1 data TLB access - Read
+event:0x04F um:zero minimum:10007 name:L1D_TLB_ST : L1 data TLB access - Write
+event:0x05C um:zero minimum:10007 name:L2D_TLB_REFILL_LD : MTLB accesses that miss in the MTLB - Read
+event:0x05D um:zero minimum:10007 name:L2D_TLB_REFILL_ST : MTLB accesses that miss in the MTLB - Write
+event:0x068 um:zero minimum:10007 name:UNALIGNED_LD_SPEC : Unaligned access - Read
+event:0x069 um:zero minimum:10007 name:UNALIGNED_ST_SPEC : Unaligned access - Write
+event:0x06A um:zero minimum:10007 name:UNALIGNED_LDST_SPEC : Unaligned access
+event:0x06C um:zero minimum:10007 name:LDREX_SPEC : Exclusive operation speculatively executed - Load exclusive
+event:0x06D um:zero minimum:10007 name:STREX_PASS_SPEC : Exclusive operation speculative executed - Store exclusive pass
+event:0x06E um:zero minimum:10007 name:STREX_FAIL_SPEC : Exclusive operation speculative executed - Store exclusive fail
+event:0x070 um:zero minimum:10007 name:LD_SPEC : Operation speculatively executed - Load
+event:0x071 um:zero minimum:10007 name:ST_SPEC : Operation speculatively executed - Store
+event:0x072 um:zero minimum:10007 name:LDST_SPEC : Operation speculatively executed - Load or store
+event:0x073 um:zero minimum:10007 name:DP_SPEC : Operation speculatively executed - Integer data processing
+event:0x074 um:zero minimum:10007 name:ASE_SPEC : Operation speculatively executed - Advanced SIMD
+event:0x075 um:zero minimum:10007 name:VFP_SPEC : Operation speculatively executed - FP
+event:0x077 um:zero minimum:10007 name:CRYPTO_SPEC : Crypto instructions
+event:0x078 um:zero minimum:10007 name:BR_IMMED_SPEC : Branch speculative executed - Immediate branch
+event:0x079 um:zero minimum:10007 name:BR_RETURN_SPEC : Branch speculative executed - Procedure return
+event:0x07A um:zero minimum:10007 name:BR_INDIRECT_SPEC : Branch speculative executed - Indirect branch
+event:0x07C um:zero minimum:10007 name:ISB_SPEC : Barrier speculatively executed - ISB
+event:0x07D um:zero minimum:10007 name:DSB_SPEC : Barrier speculatively executed - DSB
+event:0x07E um:zero minimum:10007 name:DMB_SPEC : Barrier speculatively executed - DMB
+event:0x081 um:zero minimum:10007 name:EXC_UNDEF : Exception taken, other synchronous
+event:0x082 um:zero minimum:10007 name:EXC_SVC : Exception taken, Supervisor Call
+event:0x083 um:zero minimum:10007 name:EXC_PABORT : Exception taken, Instruction Abort
+event:0x084 um:zero minimum:10007 name:EXC_DABORT : Exception taken, Data Abort or SError
+event:0x086 um:zero minimum:10007 name:EXC_IRQ : Exception taken, IRQ
+event:0x087 um:zero minimum:10007 name:EXC_FIQ : Exception taken, FIQ
+event:0x088 um:zero minimum:10007 name:EXC_SMC : Exception taken, SMC
+event:0x08A um:zero minimum:10007 name:EXC_HVC : Exception taken, Hypervisor Call
+event:0x08B um:zero minimum:10007 name:EXC_TRAP_PABORT : Exception taken, Instruction Abort not taken locally
+event:0x08C um:zero minimum:10007 name:EXC_TRAP_DABORT : Exception taken, Data Abort or SError not taken locally
+event:0x08D um:zero minimum:10007 name:EXC_TRAP_OTHER : Exception taken, other traps not taken locally
+event:0x08E um:zero minimum:10007 name:EXC_TRAP_IRQ : Exception taken, IRQ not taken locally
+event:0x08F um:zero minimum:10007 name:EXC_TRAP_FIQ : Exception taken, FIQ not taken locally
+event:0x090 um:zero minimum:10007 name:RC_LD_SPEC : Release consistency instruction speculatively executed - Load Acquire
+event:0x091 um:zero minimum:10007 name:RC_ST_SPEC : Release consistency instruction speculatively executed - Store Release
+event:0x0A0 um:zero minimum:10007 name:L3D_CACHE_RD : L3 cache access - Read
+event:0x0A1 um:zero minimum:10007 name:L3D_CACHE_WR : L3 cache access - Write
+event:0x0A2 um:zero minimum:10007 name:L3D_CACHE_REFILL_RD : L3 cache refill - Read
+event:0x0A3 um:zero minimum:10007 name:L3D_CACHE_REFILL_WR : L3 cache refill - Write
+event:0x0A6 um:zero minimum:10007 name:L3D_CACHE_WB_VICTIM : L3 cache access that caused a writeback to occur
+
diff --git a/events/arm/armv8-thunderx2/unit_masks b/events/arm/armv8-thunderx2/unit_masks
new file mode 100644
index 0000000..9ace2eb
--- /dev/null
+++ b/events/arm/armv8-thunderx2/unit_masks
@@ -0,0 +1,3 @@
+# ARMv8 architected events unit masks
+#
+include:arm/armv8-pmuv3-common
diff --git a/libop/op_cpu_type.c b/libop/op_cpu_type.c
index d2babd1..061aa70 100644
--- a/libop/op_cpu_type.c
+++ b/libop/op_cpu_type.c
@@ -122,6 +122,7 @@ static struct cpu_descr const cpu_descrs[MAX_CPU_TYPE] = {
 	{ "ARM Cortex-A17", "arm/armv7-ca17", CPU_ARM_V7_CA17, 7 },
 	{ "ppc64 POWER9", "ppc64/power9", CPU_PPC64_POWER9, 6 },
 	{ "Intel Knights Landing", "i386/knightslanding", CPU_KNIGHTSLANDING, 4 },
+	{ "Cavium ThunderX2", "arm/armv8-thunderx2", CPU_ARM_V8_CAVIUM_THUNDERX2, 6 }, 
 };
  
 static size_t const nr_cpu_descrs = sizeof(cpu_descrs) / sizeof(struct cpu_descr);
@@ -442,6 +443,11 @@ static op_cpu _get_arm_cpu_type(void)
 		case 2:
 			return op_get_cpu_number("arm/xscale2");
 		}
+	} else if (vendorid == 0x43) { /* Cavium */
+		switch (cpuid) {
+		case 0x0af:
+			return op_get_cpu_number("arm/armv8-thunderx2"); 
+		}
 	}
 
 	return CPU_NO_GOOD;
diff --git a/libop/op_cpu_type.h b/libop/op_cpu_type.h
index 3bfd4eb..3ed9590 100644
--- a/libop/op_cpu_type.h
+++ b/libop/op_cpu_type.h
@@ -108,6 +108,7 @@ typedef enum {
 	CPU_ARM_V7_CA17, /* ARM Cortex-A17 */
 	CPU_PPC64_POWER9, /**< ppc64 POWER8 family */
 	CPU_KNIGHTSLANDING, /** Intel Knights Landing microarchitecture */
+	CPU_ARM_V8_CAVIUM_THUNDERX2, /* Cavium ThunderX2 */
 	MAX_CPU_TYPE
 } op_cpu;
 
diff --git a/libop/op_events.c b/libop/op_events.c
index 5125647..000b1dd 100644
--- a/libop/op_events.c
+++ b/libop/op_events.c
@@ -1247,6 +1247,7 @@ void op_default_event(op_cpu cpu_type, struct op_default_event_descr * descr)
 		case CPU_ARM_V8_APM_XGENE:
 		case CPU_ARM_V8_CA57:
 		case CPU_ARM_V8_CA53:
+		case CPU_ARM_V8_CAVIUM_THUNDERX2:
 			descr->name = "CPU_CYCLES";
 			break;
 
diff --git a/utils/ophelp.c b/utils/ophelp.c
index a07b215..764b871 100644
--- a/utils/ophelp.c
+++ b/utils/ophelp.c
@@ -662,6 +662,13 @@ int main(int argc, char const * argv[])
 			"Cortex A57 DDI (ARM DDI 0500D, revision r0p2)\n";
 		break;
 
+	case CPU_ARM_V8_CAVIUM_THUNDERX2:
+                event_doc =
+			"See ARM Architecture Reference Manual \n"
+			"ARMv8, for ARMv8-A architecture profile\n"
+			"DDI (ARM DDI0487D.a)\n";
+		break;
+
 	case CPU_PPC64_POWER4:
 	case CPU_PPC64_POWER5:
 	case CPU_PPC64_POWER6:
-- 
1.8.3.1