From: Joakim Zhang <qiangqing.zhang@nxp.com>
To: john.garry@huawei.com, acme@kernel.org, jolsa@redhat.com
Cc: will@kernel.org, linux-perf-users@vger.kernel.org,
linux-imx@nxp.com, mark.rutland@arm.com,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH V1 3/4] perf vendor events: Add JSON metrics for imx8mq DDR Perf
Date: Tue, 19 Jan 2021 10:56:46 +0800 [thread overview]
Message-ID: <20210119025647.12569-4-qiangqing.zhang@nxp.com> (raw)
In-Reply-To: <20210119025647.12569-1-qiangqing.zhang@nxp.com>
Add JSON metrics for imx8mq DDR Perf.
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
---
.../arch/arm64/freescale/imx8mq/sys/ddrc.json | 37 +++++++++++++++++++
.../arm64/freescale/imx8mq/sys/metrics.json | 26 +++++++++++++
2 files changed, 63 insertions(+)
create mode 100644 tools/perf/pmu-events/arch/arm64/freescale/imx8mq/sys/ddrc.json
create mode 100644 tools/perf/pmu-events/arch/arm64/freescale/imx8mq/sys/metrics.json
diff --git a/tools/perf/pmu-events/arch/arm64/freescale/imx8mq/sys/ddrc.json b/tools/perf/pmu-events/arch/arm64/freescale/imx8mq/sys/ddrc.json
new file mode 100644
index 000000000000..c8682728ddad
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/freescale/imx8mq/sys/ddrc.json
@@ -0,0 +1,37 @@
+[
+ {
+ "BriefDescription": "ddr cycles event",
+ "EventCode": "0x00",
+ "EventName": "imx8mq_ddr.cycles",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MQ"
+ },
+ {
+ "BriefDescription": "ddr read-cycles event",
+ "EventCode": "0x2a",
+ "EventName": "imx8mq_ddr.read_cycles",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MQ"
+ },
+ {
+ "BriefDescription": "ddr write-cycles event",
+ "EventCode": "0x2b",
+ "EventName": "imx8mq_ddr.write_cycles",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MQ"
+ },
+ {
+ "BriefDescription": "ddr read event",
+ "EventCode": "0x35",
+ "EventName": "imx8mq_ddr.read",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MQ"
+ },
+ {
+ "BriefDescription": "ddr write event",
+ "EventCode": "0x38",
+ "EventName": "imx8mq_ddr.write",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MQ"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/arm64/freescale/imx8mq/sys/metrics.json b/tools/perf/pmu-events/arch/arm64/freescale/imx8mq/sys/metrics.json
new file mode 100644
index 000000000000..c3e9f89a4a4d
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/freescale/imx8mq/sys/metrics.json
@@ -0,0 +1,26 @@
+[
+ {
+ "BriefDescription": "bandwidth usage for lpddr4 evk board",
+ "MetricName": "imx8mq_bandwidth_usage.lpddr4",
+ "MetricExpr": "(( imx8_ddr0@read\\-cycles@ + imx8_ddr0@write\\-cycles@ ) * 4 * 4 / duration_time) / (800 * 1000000 * 4 * 4)",
+ "ScaleUnit": "1e2%",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MQ"
+ },
+ {
+ "BriefDescription": "bytes all masters read from ddr based on read-cycles event",
+ "MetricName": "imx8mq_ddr_read.all",
+ "MetricExpr": "imx8mq_ddr.read_cycles * 4 * 4",
+ "ScaleUnit": "9.765625e-4KB",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MQ"
+ },
+ {
+ "BriefDescription": "bytes all masters write to ddr based on write-cycles event",
+ "MetricName": "imx8mq_ddr_write.all",
+ "MetricExpr": "imx8mq_ddr.write_cycles * 4 * 4",
+ "ScaleUnit": "9.765625e-4KB",
+ "Unit": "imx8_ddr",
+ "Compat": "i.MX8MQ"
+ }
+]
--
2.17.1
next prev parent reply other threads:[~2021-01-19 2:59 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-19 2:56 [PATCH V1 0/4] tools: perf: Add JSON metrics for i.MX8M platforms Joakim Zhang
2021-01-19 2:56 ` [PATCH V1 1/4] perf vendor events: Add bandwidth metric for imx8mm Joakim Zhang
2021-01-19 2:56 ` [PATCH V1 2/4] perf vendor events: Add JSON metrics for imx8mn DDR Perf Joakim Zhang
2021-01-19 2:56 ` Joakim Zhang [this message]
2021-01-19 10:40 ` [PATCH V1 3/4] perf vendor events: Add JSON metrics for imx8mq " John Garry
2021-01-19 11:00 ` Joakim Zhang
2021-01-19 12:27 ` John Garry
2021-01-20 5:46 ` Joakim Zhang
2021-01-20 9:25 ` John Garry
2021-01-21 10:24 ` Joakim Zhang
2021-01-19 2:56 ` [PATCH V1 4/4] perf vendor events: Add JSON metrics for imx8mp " Joakim Zhang
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