linux-kernel - [PATCH 8/8] perf/tools/pmu-events/powerpc: Add hv

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Message-Id: <20200214110335.31483-9-kjain@linux.ibm.com>
Date:   Fri, 14 Feb 2020 16:33:35 +0530
From:   Kajol Jain <kjain@...ux.ibm.com>
To:     acme@...nel.org, linuxppc-dev@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        anju@...ux.vnet.ibm.com, maddy@...ux.vnet.ibm.com,
        ravi.bangoria@...ux.ibm.com, peterz@...radead.org,
        yao.jin@...ux.intel.com, ak@...ux.intel.com, jolsa@...nel.org,
        kan.liang@...ux.intel.com, jmario@...hat.com,
        alexander.shishkin@...ux.intel.com, mingo@...nel.org,
        paulus@...abs.org, namhyung@...nel.org, mpetlan@...hat.com,
        gregkh@...uxfoundation.org, benh@...nel.crashing.org,
        kjain@...ux.ibm.com
Subject: [PATCH 8/8] perf/tools/pmu-events/powerpc: Add hv_24x7 socket/chip level metric events

The hv_24×7 feature in IBM® POWER9™ processor-based servers provide the
facility to continuously collect large numbers of hardware performance
metrics efficiently and accurately.
This patch adds hv_24x7 json metric file for different Socket/chip
resources.

Result:

power9 platform:

command:# ./perf stat --metric-only -M Memory_RD_BW_Chip -C 0
           -I 1000 sleep 1

time MB       Memory_RD_BW_Chip_0 MB   Memory_RD_BW_Chip_1 MB
1.000192635                      0.4                      0.0
1.001695883                      0.0                      0.0

Signed-off-by: Kajol Jain <kjain@...ux.ibm.com>
---
 .../arch/powerpc/power9/hv_24x7_metrics.json  | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 tools/perf/pmu-events/arch/powerpc/power9/hv_24x7_metrics.json

diff --git a/tools/perf/pmu-events/arch/powerpc/power9/hv_24x7_metrics.json b/tools/perf/pmu-events/arch/powerpc/power9/hv_24x7_metrics.json
new file mode 100644
index 000000000000..ac38f5540ac6
--- /dev/null
+++ b/tools/perf/pmu-events/arch/powerpc/power9/hv_24x7_metrics.json
@@ -0,0 +1,19 @@
+[
+    {
+        "MetricExpr": "(hv_24x7@...MCS01_128B_RD_DISP_PORT01\\,chip\\=?@ + hv_24x7@...MCS01_128B_RD_DISP_PORT23\\,chip\\=?@ + hv_24x7@...MCS23_128B_RD_DISP_PORT01\\,chip\\=?@ + hv_24x7@...MCS23_128B_RD_DISP_PORT23\\,chip\\=?@)",
+        "MetricName": "Memory_RD_BW_Chip",
+        "MetricGroup": "Memory_BW",
+        "ScaleUnit": "1.6e-2MB"
+    },
+    {
+    "MetricExpr": "(hv_24x7@...MCS01_128B_WR_DISP_PORT01\\,chip\\=?@ + hv_24x7@...MCS01_128B_WR_DISP_PORT23\\,chip\\=?@ + hv_24x7@...MCS23_128B_WR_DISP_PORT01\\,chip\\=?@ + hv_24x7@...MCS23_128B_WR_DISP_PORT23\\,chip\\=?@ )",
+        "MetricName": "Memory_WR_BW_Chip",
+        "MetricGroup": "Memory_BW",
+        "ScaleUnit": "1.6e-2MB"
+    },
+    {
+    "MetricExpr": "(hv_24x7@...PB_CYC\\,chip\\=?@ )",
+        "MetricName": "PowerBUS_Frequency",
+        "ScaleUnit": "2.5e-7GHz"
+    }
+]
-- 
2.18.1