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Message-ID: <IA1PR20MB4953DD82D0116EC291C21777BBE2A@IA1PR20MB4953.namprd20.prod.outlook.com>
Date: Sat, 26 Aug 2023 16:44:38 +0800
From: Inochi Amaoto <inochiama@...look.com>
To: Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Ian Rogers <irogers@...gle.com>,
Adrian Hunter <adrian.hunter@...el.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Nikita Shubin <n.shubin@...ro.com>, Wei Fu <wefu@...hat.com>,
Guo Ren <guoren@...nel.org>,
Inochi Amaoto <inochiama@...look.com>
Cc: linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
linux-riscv@...ts.infradead.org
Subject: [PATCH V4] perf vendor events riscv: add T-HEAD C9xx JSON file
Add json file of T-HEAD C9xx series events.
The event idx (raw value) is summary as following:
event id range | support cpu
0x01 - 0x2a | c906,c910,c920
The event ids are based on the public document of T-HEAD and cover
the c900 series.
These events are the max that c900 series support.
Since T-HEAD let manufacturers decide whether events are usable,
the final support of the perf events is determined by the pmu node
of the soc dtb.
Signed-off-by: Inochi Amaoto <inochiama@...look.com>
---
Change from V3:
1. fix some typo in json file
2. correct the event id range in commit
3. rename directory to c900-legacy to identify the old T-HEAD cpus
This patch need the following patches for opensbi to function normaly:
https://lists.infradead.org/pipermail/opensbi/2023-August/005500.html
The dtb patch:
https://lists.infradead.org/pipermail/linux-riscv/2023-August/039040.html
A test result on D1 board with mainline opensbi and mainline kernel:
[root@...t perf]# ./perf stat -a \
> -e l1_icache_access \
> -e l1_icache_miss \
> -e itlb_miss \
> -e dtlb_miss \
> -e jtlb_miss \
> -e inst_branch_mispredict \
> -e inst_branch \
> -e inst_store \
> -e l1_dcache_read_access \
> -e l1_dcache_read_miss \
> -e l1_dcache_write_access \
> -e l1_dcache_write_miss \
> -- openssl speed rsa2048
Doing 2048 bits private rsa's for 10s: 100 2048 bits private RSA's in 10.06s
Doing 2048 bits public rsa's for 10s: 4051 2048 bits public RSA's in 10.00s
version: 3.1.2
built on: Sat Aug 5 14:56:47 2023 UTC
options: bn(64,64)
CPUINFO: N/A
sign verify sign/s verify/s
rsa 2048 bits 0.100600s 0.002469s 9.9 405.1
Performance counter stats for 'system wide':
7,120,831,110 l1_icache_access
2,145,279 l1_icache_miss
1,307,935 itlb_miss
2,477,482 dtlb_miss
402,760 jtlb_miss
8,043,723 inst_branch_mispredict
153,469,454 inst_branch
537,300,381 inst_store
947,508,099 l1_dcache_read_access
770,550 l1_dcache_read_miss
537,262,702 l1_dcache_write_access
171,436 l1_dcache_write_miss
20.315046885 seconds time elapsed
---
tools/perf/pmu-events/arch/riscv/mapfile.csv | 1 +
.../arch/riscv/thead/c900-legacy/cache.json | 67 ++++++++++++++++
.../riscv/thead/c900-legacy/firmware.json | 68 ++++++++++++++++
.../riscv/thead/c900-legacy/instruction.json | 72 +++++++++++++++++
.../riscv/thead/c900-legacy/microarch.json | 80 +++++++++++++++++++
5 files changed, 288 insertions(+)
create mode 100644 tools/perf/pmu-events/arch/riscv/thead/c900-legacy/cache.json
create mode 100644 tools/perf/pmu-events/arch/riscv/thead/c900-legacy/firmware.json
create mode 100644 tools/perf/pmu-events/arch/riscv/thead/c900-legacy/instruction.json
create mode 100644 tools/perf/pmu-events/arch/riscv/thead/c900-legacy/microarch.json
diff --git a/tools/perf/pmu-events/arch/riscv/mapfile.csv b/tools/perf/pmu-events/arch/riscv/mapfile.csv
index c61b3d6ef616..b42b65d09c36 100644
--- a/tools/perf/pmu-events/arch/riscv/mapfile.csv
+++ b/tools/perf/pmu-events/arch/riscv/mapfile.csv
@@ -15,3 +15,4 @@
#
#MVENDORID-MARCHID-MIMPID,Version,Filename,EventType
0x489-0x8000000000000007-0x[[:xdigit:]]+,v1,sifive/u74,core
+0x5b7-0x0-0x0,v1,thead/c900-legacy,core
diff --git a/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/cache.json b/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/cache.json
new file mode 100644
index 000000000000..2b142348d635
--- /dev/null
+++ b/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/cache.json
@@ -0,0 +1,67 @@
+[
+ {
+ "EventName": "L1_ICACHE_ACCESS",
+ "EventCode": "0x00000001",
+ "BriefDescription": "L1 instruction cache access"
+ },
+ {
+ "EventName": "L1_ICACHE_MISS",
+ "EventCode": "0x00000002",
+ "BriefDescription": "L1 instruction cache miss"
+ },
+ {
+ "EventName": "ITLB_MISS",
+ "EventCode": "0x00000003",
+ "BriefDescription": "I-UTLB miss"
+ },
+ {
+ "EventName": "DTLB_MISS",
+ "EventCode": "0x00000004",
+ "BriefDescription": "D-UTLB miss"
+ },
+ {
+ "EventName": "JTLB_MISS",
+ "EventCode": "0x00000005",
+ "BriefDescription": "JTLB miss"
+ },
+ {
+ "EventName": "L1_DCACHE_READ_ACCESS",
+ "EventCode": "0x0000000c",
+ "BriefDescription": "L1 data cache read access"
+ },
+ {
+ "EventName": "L1_DCACHE_READ_MISS",
+ "EventCode": "0x0000000d",
+ "BriefDescription": "L1 data cache read miss"
+ },
+ {
+ "EventName": "L1_DCACHE_WRITE_ACCESS",
+ "EventCode": "0x0000000e",
+ "BriefDescription": "L1 data cache write access"
+ },
+ {
+ "EventName": "L1_DCACHE_WRITE_MISS",
+ "EventCode": "0x0000000f",
+ "BriefDescription": "L1 data cache write miss"
+ },
+ {
+ "EventName": "LL_CACHE_READ_ACCESS",
+ "EventCode": "0x00000010",
+ "BriefDescription": "LL Cache read access"
+ },
+ {
+ "EventName": "LL_CACHE_READ_MISS",
+ "EventCode": "0x00000011",
+ "BriefDescription": "LL Cache read miss"
+ },
+ {
+ "EventName": "LL_CACHE_WRITE_ACCESS",
+ "EventCode": "0x00000012",
+ "BriefDescription": "LL Cache write access"
+ },
+ {
+ "EventName": "LL_CACHE_WRITE_MISS",
+ "EventCode": "0x00000013",
+ "BriefDescription": "LL Cache write miss"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/firmware.json b/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/firmware.json
new file mode 100644
index 000000000000..9b4a032186a7
--- /dev/null
+++ b/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/firmware.json
@@ -0,0 +1,68 @@
+[
+ {
+ "ArchStdEvent": "FW_MISALIGNED_LOAD"
+ },
+ {
+ "ArchStdEvent": "FW_MISALIGNED_STORE"
+ },
+ {
+ "ArchStdEvent": "FW_ACCESS_LOAD"
+ },
+ {
+ "ArchStdEvent": "FW_ACCESS_STORE"
+ },
+ {
+ "ArchStdEvent": "FW_ILLEGAL_INSN"
+ },
+ {
+ "ArchStdEvent": "FW_SET_TIMER"
+ },
+ {
+ "ArchStdEvent": "FW_IPI_SENT"
+ },
+ {
+ "ArchStdEvent": "FW_IPI_RECEIVED"
+ },
+ {
+ "ArchStdEvent": "FW_FENCE_I_SENT"
+ },
+ {
+ "ArchStdEvent": "FW_FENCE_I_RECEIVED"
+ },
+ {
+ "ArchStdEvent": "FW_SFENCE_VMA_SENT"
+ },
+ {
+ "ArchStdEvent": "FW_SFENCE_VMA_RECEIVED"
+ },
+ {
+ "ArchStdEvent": "FW_SFENCE_VMA_RECEIVED"
+ },
+ {
+ "ArchStdEvent": "FW_SFENCE_VMA_ASID_RECEIVED"
+ },
+ {
+ "ArchStdEvent": "FW_HFENCE_GVMA_SENT"
+ },
+ {
+ "ArchStdEvent": "FW_HFENCE_GVMA_RECEIVED"
+ },
+ {
+ "ArchStdEvent": "FW_HFENCE_GVMA_VMID_SENT"
+ },
+ {
+ "ArchStdEvent": "FW_HFENCE_GVMA_VMID_RECEIVED"
+ },
+ {
+ "ArchStdEvent": "FW_HFENCE_VVMA_SENT"
+ },
+ {
+ "ArchStdEvent": "FW_HFENCE_VVMA_RECEIVED"
+ },
+ {
+ "ArchStdEvent": "FW_HFENCE_VVMA_ASID_SENT"
+ },
+ {
+ "ArchStdEvent": "FW_HFENCE_VVMA_ASID_RECEIVED"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/instruction.json b/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/instruction.json
new file mode 100644
index 000000000000..c822b5373333
--- /dev/null
+++ b/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/instruction.json
@@ -0,0 +1,72 @@
+[
+ {
+ "EventName": "INST_BRANCH_MISPREDICT",
+ "EventCode": "0x00000006",
+ "BriefDescription": "Mispredicted branch instructions"
+ },
+ {
+ "EventName": "INST_BRANCH",
+ "EventCode": "0x00000007",
+ "BriefDescription": "Retired branch instructions"
+ },
+ {
+ "EventName": "INST_JMP_MISPREDICT",
+ "EventCode": "0x00000008",
+ "BriefDescription": "Indirect branch mispredict"
+ },
+ {
+ "EventName": "INST_JMP",
+ "EventCode": "0x00000009",
+ "BriefDescription": "Retired jmp instructions"
+ },
+ {
+ "EventName": "INST_STORE",
+ "EventCode": "0x0000000b",
+ "BriefDescription": "Retired store instructions"
+ },
+ {
+ "EventName": "INST_ALU",
+ "EventCode": "0x0000001d",
+ "BriefDescription": "Retired ALU instructions"
+ },
+ {
+ "EventName": "INST_LDST",
+ "EventCode": "0x0000001e",
+ "BriefDescription": "Retired Load/Store instructions"
+ },
+ {
+ "EventName": "INST_VECTOR",
+ "EventCode": "0x0000001f",
+ "BriefDescription": "Retired Vector instructions"
+ },
+ {
+ "EventName": "INST_CSR",
+ "EventCode": "0x00000020",
+ "BriefDescription": "Retired CSR instructions"
+ },
+ {
+ "EventName": "INST_SYNC",
+ "EventCode": "0x00000021",
+ "BriefDescription": "Retired sync instructions (AMO/LR/SC instructions)"
+ },
+ {
+ "EventName": "INST_UNALIGNED_ACCESS",
+ "EventCode": "0x00000022",
+ "BriefDescription": "Retired Store/Load instructions with unaligned memory access"
+ },
+ {
+ "EventName": "INST_ECALL",
+ "EventCode": "0x00000025",
+ "BriefDescription": "Retired ecall instructions"
+ },
+ {
+ "EventName": "INST_LONG_JP",
+ "EventCode": "0x00000026",
+ "BriefDescription": "Retired long jump instructions"
+ },
+ {
+ "EventName": "INST_FP",
+ "EventCode": "0x0000002a",
+ "BriefDescription": "Retired FPU instructions"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/microarch.json b/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/microarch.json
new file mode 100644
index 000000000000..0ab6f288af91
--- /dev/null
+++ b/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/microarch.json
@@ -0,0 +1,80 @@
+[
+ {
+ "EventName": "LSU_SPEC_FAIL",
+ "EventCode": "0x0000000a",
+ "BriefDescription": "LSU speculation fail"
+ },
+ {
+ "EventName": "IDU_RF_PIPE_FAIL",
+ "EventCode": "0x00000014",
+ "BriefDescription": "Instruction decode unit launch pipeline failed in RF state"
+ },
+ {
+ "EventName": "IDU_RF_REG_FAIL",
+ "EventCode": "0x00000015",
+ "BriefDescription": "Instruction decode unit launch register file fail in RF state"
+ },
+ {
+ "EventName": "IDU_RF_INSTRUCTION",
+ "EventCode": "0x00000016",
+ "BriefDescription": "retired instruction count of Instruction decode unit in RF (Register File) stage"
+ },
+ {
+ "EventName": "LSU_4K_STALL",
+ "EventCode": "0x00000017",
+ "BriefDescription": "LSU stall times for long distance data access (Over 4K)",
+ "PublicDescription": "This stall occurs when translate virtual address with page offset over 4k"
+ },
+ {
+ "EventName": "LSU_OTHER_STALL",
+ "EventCode": "0x00000018",
+ "BriefDescription": "LSU stall times for other reasons (except the 4k stall)"
+ },
+ {
+ "EventName": "LSU_SQ_OTHER_DIS",
+ "EventCode": "0x00000019",
+ "BriefDescription": "LSU store queue discard others"
+ },
+ {
+ "EventName": "LSU_SQ_DATA_DISCARD",
+ "EventCode": "0x0000001a",
+ "BriefDescription": "LSU store queue discard data (uops)"
+ },
+ {
+ "EventName": "BRANCH_DIRECTION_MISPREDICTION",
+ "EventCode": "0x0000001b",
+ "BriefDescription": "Branch misprediction in BTB"
+ },
+ {
+ "EventName": "BRANCH_DIRECTION_PREDICTION",
+ "EventCode": "0x0000001c",
+ "BriefDescription": "All branch prediction in BTB",
+ "PublicDescription": "This event including both successful prediction and failed prediction in BTB"
+ },
+ {
+ "EventName": "INTERRUPT_ACK_COUNT",
+ "EventCode": "0x00000023",
+ "BriefDescription": "acknowledged interrupt count"
+ },
+ {
+ "EventName": "INTERRUPT_OFF_CYCLE",
+ "EventCode": "0x00000024",
+ "BriefDescription": "PLIC arbitration time when the interrupt is not responded",
+ "PublicDescription": "The arbitration time is recorded while meeting any of the following:\n- CPU is M-mode and MIE == 0\n- CPU is S-mode and delegation and SIE == 0\n"
+ },
+ {
+ "EventName": "IFU_STALLED_CYCLE",
+ "EventCode": "0x00000027",
+ "BriefDescription": "Number of stall cycles of the instruction fetch unit (IFU)."
+ },
+ {
+ "EventName": "IDU_STALLED_CYCLE",
+ "EventCode": "0x00000028",
+ "BriefDescription": "hpcp_backend_stall Number of stall cycles of the instruction decoding unit (IDU) and next-level pipeline unit."
+ },
+ {
+ "EventName": "SYNC_STALL",
+ "EventCode": "0x00000029",
+ "BriefDescription": "Sync instruction stall cycle fence/fence.i/sync/sfence"
+ }
+]
--
2.41.0
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