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Message-ID: <20231103082441.1389842-1-jisheng.teoh@starfivetech.com>
Date:   Fri, 3 Nov 2023 16:24:41 +0800
From:   Ji Sheng Teoh <jisheng.teoh@...rfivetech.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>
CC:     Ji Sheng Teoh <jisheng.teoh@...rfivetech.com>,
        Ley Foon Tan <leyfoon.tan@...rfivetech.com>,
        <linux-perf-users@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>
Subject: [PATCH v2] perf vendor events riscv: add StarFive Dubhe-80 JSON file

StarFive's Dubhe-80 supports raw event id 0x00 - 0x22.
The raw events are enabled through PMU node of DT binding.
Besides raw event, add standard RISC-V firmware events to
support monitoring of firmware event.

Example of PMU DT node:
pmu {
	compatible = "riscv,pmu";
	riscv,raw-event-to-mhpmcounters =
		/* Event ID 1-31 */
		<0x00 0x00 0xFFFFFFFF 0xFFFFFFE0 0x00007FF8>,
		/* Event ID 32-33 */
		<0x00 0x20 0xFFFFFFFF 0xFFFFFFFE 0x00007FF8>,
		/* Event ID 34 */
		<0x00 0x22 0xFFFFFFFF 0xFFFFFF22 0x00007FF8>;
};

Example of Perf stat output:
[root@...r]# perf stat -a \
	-e access_mmu_stlb \
	-e miss_mmu_stlb \
	-e access_mmu_pte_c \
	-e rob_flush \
	-e btb_prediction_miss \
	-e itlb_miss \
	-e sync_del_fetch_g \
	-e icache_miss \
	-e bpu_br_retire \
	-e bpu_br_miss \
	-e ret_ins_retire \
	-e ret_ins_miss \
	-- openssl speed rsa2048

Doing 2048 bits private rsa's for 10s: 39 2048 bits private RSA's in
10.14s
Doing 2048 bits public rsa's for 10s: 1563 2048 bits public RSA's in
10.00s
version: 3.0.11
built on: Tue Sep 19 13:02:31 2023 UTC
options: bn(64,64)
CPUINFO: N/A
                  sign    verify    sign/s verify/s
rsa 2048 bits 0.260000s 0.006398s      3.8    156.3

 Performance counter stats for 'system wide':

           1338350      access_mmu_stlb
           1154025      miss_mmu_stlb
           1162691      access_mmu_pte_c
             34067      rob_flush
          11212384      btb_prediction_miss
           1256242      itlb_miss
         652523491      sync_del_fetch_g
            384465      icache_miss
          64635789      bpu_br_retire
            323440      bpu_br_miss
           8785143      ret_ins_retire
             31236      ret_ins_miss

      20.760822480 seconds time elapsed

Signed-off-by: Ji Sheng Teoh <jisheng.teoh@...rfivetech.com>
---
Changes since V1:
1. Add standard RISC-V firmware event
2. Update commit message to reflect addition of standard
    RISC-V firmware event.
---
 tools/perf/pmu-events/arch/riscv/mapfile.csv  |   1 +
 .../arch/riscv/starfive/dubhe-80/common.json  | 172 ++++++++++++++++++
 .../riscv/starfive/dubhe-80/firmware.json     |  68 +++++++
 3 files changed, 241 insertions(+)
 create mode 100644 tools/perf/pmu-events/arch/riscv/starfive/dubhe-80/common.json
 create mode 100644 tools/perf/pmu-events/arch/riscv/starfive/dubhe-80/firmware.json

diff --git a/tools/perf/pmu-events/arch/riscv/mapfile.csv b/tools/perf/pmu-events/arch/riscv/mapfile.csv
index c61b3d6ef616..ee61e26f90cd 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
+0x67e-0x80000000db000080-0x[[:xdigit:]]+,v1,starfive/dubhe-80,core
diff --git a/tools/perf/pmu-events/arch/riscv/starfive/dubhe-80/common.json b/tools/perf/pmu-events/arch/riscv/starfive/dubhe-80/common.json
new file mode 100644
index 000000000000..fbffcacb2ace
--- /dev/null
+++ b/tools/perf/pmu-events/arch/riscv/starfive/dubhe-80/common.json
@@ -0,0 +1,172 @@
+[
+  {
+    "EventName": "ACCESS_MMU_STLB",
+    "EventCode": "0x1",
+    "BriefDescription": "access MMU STLB"
+  },
+  {
+    "EventName": "MISS_MMU_STLB",
+    "EventCode": "0x2",
+    "BriefDescription": "miss MMU STLB"
+  },
+  {
+    "EventName": "ACCESS_MMU_PTE_C",
+    "EventCode": "0x3",
+    "BriefDescription": "access MMU PTE-Cache"
+  },
+  {
+    "EventName": "MISS_MMU_PTE_C",
+    "EventCode": "0x4",
+    "BriefDescription": "miss MMU PTE-Cache"
+  },
+  {
+    "EventName": "ROB_FLUSH",
+    "EventCode": "0x5",
+    "BriefDescription": "ROB flush (all kinds of exceptions)"
+  },
+  {
+    "EventName": "BTB_PREDICTION_MISS",
+    "EventCode": "0x6",
+    "BriefDescription": "BTB prediction miss"
+  },
+  {
+    "EventName": "ITLB_MISS",
+    "EventCode": "0x7",
+    "BriefDescription": "ITLB miss"
+  },
+  {
+    "EventName": "SYNC_DEL_FETCH_G",
+    "EventCode": "0x8",
+    "BriefDescription": "SYNC delivery a fetch-group"
+  },
+  {
+    "EventName": "ICACHE_MISS",
+    "EventCode": "0x9",
+    "BriefDescription": "ICache miss"
+  },
+  {
+    "EventName": "BPU_BR_RETIRE",
+    "EventCode": "0xA",
+    "BriefDescription": "condition branch instruction retire"
+  },
+  {
+    "EventName": "BPU_BR_MISS",
+    "EventCode": "0xB",
+    "BriefDescription": "condition branch instruction miss"
+  },
+  {
+    "EventName": "RET_INS_RETIRE",
+    "EventCode": "0xC",
+    "BriefDescription": "return instruction retire"
+  },
+  {
+    "EventName": "RET_INS_MISS",
+    "EventCode": "0xD",
+    "BriefDescription": "return instruction miss"
+  },
+  {
+    "EventName": "INDIRECT_JR_MISS",
+    "EventCode": "0xE",
+    "BriefDescription": "indirect JR instruction miss (inlcude without target)"
+  },
+  {
+    "EventName": "IBUF_VAL_ID_NORDY",
+    "EventCode": "0xF",
+    "BriefDescription": "IBUF valid while ID not ready"
+  },
+  {
+    "EventName": "IBUF_NOVAL_ID_RDY",
+    "EventCode": "0x10",
+    "BriefDescription": "IBUF not valid while ID ready"
+  },
+  {
+    "EventName": "REN_INT_PHY_REG_NORDY",
+    "EventCode": "0x11",
+    "BriefDescription": "REN integer physical register file is not ready"
+  },
+  {
+    "EventName": "REN_FP_PHY_REG_NORDY",
+    "EventCode": "0x12",
+    "BriefDescription": "REN floating point physical register file is not ready"
+  },
+  {
+    "EventName": "REN_CP_NORDY",
+    "EventCode": "0x13",
+    "BriefDescription": "REN checkpoint is not ready"
+  },
+  {
+    "EventName": "DEC_VAL_ROB_NORDY",
+    "EventCode": "0x14",
+    "BriefDescription": "DEC is valid and ROB is not ready"
+  },
+  {
+    "EventName": "OOD_FLUSH_LS_DEP",
+    "EventCode": "0x15",
+    "BriefDescription": "out of order flush due to load/store dependency"
+  },
+  {
+    "EventName": "BRU_RET_IJR_INS",
+    "EventCode": "0x16",
+    "BriefDescription": "BRU retire an IJR instruction"
+  },
+  {
+    "EventName": "ACCESS_DTLB",
+    "EventCode": "0x17",
+    "BriefDescription": "access DTLB"
+  },
+  {
+    "EventName": "MISS_DTLB",
+    "EventCode": "0x18",
+    "BriefDescription": "miss DTLB"
+  },
+  {
+    "EventName": "LOAD_INS_DCACHE",
+    "EventCode": "0x19",
+    "BriefDescription": "load instruction access DCache"
+  },
+  {
+    "EventName": "LOAD_INS_MISS_DCACHE",
+    "EventCode": "0x1A",
+    "BriefDescription": "load instruction miss DCache"
+  },
+  {
+    "EventName": "STORE_INS_DCACHE",
+    "EventCode": "0x1B",
+    "BriefDescription": "store/amo instruction access DCache"
+  },
+  {
+    "EventName": "STORE_INS_MISS_DCACHE",
+    "EventCode": "0x1C",
+    "BriefDescription": "store/amo instruction miss DCache"
+  },
+  {
+    "EventName": "LOAD_SCACHE",
+    "EventCode": "0x1D",
+    "BriefDescription": "load access SCache"
+  },
+  {
+    "EventName": "STORE_SCACHE",
+    "EventCode": "0x1E",
+    "BriefDescription": "store access SCache"
+  },
+  {
+    "EventName": "LOAD_MISS_SCACHE",
+    "EventCode": "0x1F",
+    "BriefDescription": "load miss SCache"
+  },
+  {
+    "EventName": "STORE_MISS_SCACHE",
+    "EventCode": "0x20",
+    "BriefDescription": "store miss SCache"
+  },
+  {
+    "EventName": "L2C_PF_REQ",
+    "EventCode": "0x21",
+    "BriefDescription": "L2C data-prefetcher request"
+  },
+  {
+    "EventName": "L2C_PF_HIT",
+    "EventCode": "0x22",
+    "BriefDescription": "L2C data-prefetcher hit"
+  }
+]
diff --git a/tools/perf/pmu-events/arch/riscv/starfive/dubhe-80/firmware.json b/tools/perf/pmu-events/arch/riscv/starfive/dubhe-80/firmware.json
new file mode 100644
index 000000000000..9b4a032186a7
--- /dev/null
+++ b/tools/perf/pmu-events/arch/riscv/starfive/dubhe-80/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"
+  }
+]
-- 
2.25.1

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