From: Namhyung Kim <namhyung@kernel.org>
To: Xu Yang <xu.yang_2@nxp.com>
Cc: Frank Li <Frank.li@nxp.com>, Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
John Garry <john.g.garry@oracle.com>,
James Clark <james.clark@linaro.org>,
Mike Leach <mike.leach@linaro.org>, Leo Yan <leo.yan@linux.dev>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
linux-arm-kernel@lists.infradead.org,
linux-perf-users@vger.kernel.org, devicetree@vger.kernel.org,
imx@lists.linux.dev, Peng Fan <peng.fan@nxp.com>
Subject: Re: [PATCH v2 3/5] perf vendor events arm64:: Add i.MX94 DDR Performance Monitor metrics
Date: Thu, 6 Nov 2025 17:47:19 -0800 [thread overview]
Message-ID: <aQ1Pp6GF6svXDXoy@google.com> (raw)
In-Reply-To: <wlziowwtfqbhzsltffm4l3pxntev3lgjan44wfixztnk3gw5d7@z2selm5eczsq>
Hello,
On Tue, Nov 04, 2025 at 02:33:08PM +0800, Xu Yang wrote:
> Hi Namhyung,
>
> Could you please take this one?
Yep, will add this patch to perf-tools-next soon.
Thanks,
Namhyung
> On Thu, Aug 21, 2025 at 07:01:51PM +0800, Xu Yang wrote:
> > Add JSON metrics for i.MX94 DDR Performance Monitor.
> >
> > Reviewed-by: Peng Fan <peng.fan@nxp.com>
> > Reviewed-by: Frank Li <Frank.Li@nxp.com>
> > Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
> >
> > ---
> > Changes in v2:
> > - add Rb tag
> > ---
> > .../arch/arm64/freescale/imx94/sys/ddrc.json | 9 +
> > .../arch/arm64/freescale/imx94/sys/metrics.json | 450 +++++++++++++++++++++
> > 2 files changed, 459 insertions(+)
> >
> > diff --git a/tools/perf/pmu-events/arch/arm64/freescale/imx94/sys/ddrc.json b/tools/perf/pmu-events/arch/arm64/freescale/imx94/sys/ddrc.json
> > new file mode 100644
> > index 0000000000000000000000000000000000000000..aa7b58721dc7e23dc9d9905a79e0c1778b7bbf11
> > --- /dev/null
> > +++ b/tools/perf/pmu-events/arch/arm64/freescale/imx94/sys/ddrc.json
> > @@ -0,0 +1,9 @@
> > +[
> > + {
> > + "BriefDescription": "ddr cycles event",
> > + "EventCode": "0x00",
> > + "EventName": "imx94_ddr.cycles",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + }
> > +]
> > diff --git a/tools/perf/pmu-events/arch/arm64/freescale/imx94/sys/metrics.json b/tools/perf/pmu-events/arch/arm64/freescale/imx94/sys/metrics.json
> > new file mode 100644
> > index 0000000000000000000000000000000000000000..629f1f52761e2210ef43a9cbba175871817e1230
> > --- /dev/null
> > +++ b/tools/perf/pmu-events/arch/arm64/freescale/imx94/sys/metrics.json
> > @@ -0,0 +1,450 @@
> > +[
> > + {
> > + "BriefDescription": "bandwidth usage for lpddr5 evk board",
> > + "MetricName": "imx94_bandwidth_usage.lpddr5",
> > + "MetricExpr": "(( imx9_ddr0@eddrtq_pm_rd_beat_filt0\\,axi_mask\\=0x000\\,axi_id\\=0x000@ + imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x000\\,axi_id\\=0x000@ ) * 32 / duration_time) / (4266 * 1000000 * 4)",
> > + "ScaleUnit": "1e2%",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bandwidth usage for lpddr4 evk board",
> > + "MetricName": "imx94_bandwidth_usage.lpddr4",
> > + "MetricExpr": "(( imx9_ddr0@eddrtq_pm_rd_beat_filt0\\,axi_mask\\=0x000\\,axi_id\\=0x000@ + imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x000\\,axi_id\\=0x000@ ) * 32 / duration_time) / (4266 * 1000000 * 4)",
> > + "ScaleUnit": "1e2%",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of all masters read from ddr",
> > + "MetricName": "imx94_ddr_read.all",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt0\\,axi_mask\\=0x000\\,axi_id\\=0x000@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of all masters write to ddr",
> > + "MetricName": "imx94_ddr_write.all",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x000\\,axi_id\\=0x000@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of all a55 read from ddr",
> > + "MetricName": "imx94_ddr_read.a55_all",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt1\\,axi_mask\\=0x3fc\\,axi_id\\=0x000@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of all a55 write from ddr",
> > + "MetricName": "imx94_ddr_write.a55_all",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x3fc\\,axi_id\\=0x000@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of a55 core 0 read from ddr",
> > + "MetricName": "imx94_ddr_read.a55_0",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt2\\,axi_mask\\=0x3ff\\,axi_id\\=0x000@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of a55 core 0 write to ddr",
> > + "MetricName": "imx94_ddr_write.a55_0",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x3ff\\,axi_id\\=0x000@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of a55 core 1 read from ddr",
> > + "MetricName": "imx94_ddr_read.a55_1",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt0\\,axi_mask\\=0x00f\\,axi_id\\=0x001@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of a55 core 1 write to ddr",
> > + "MetricName": "imx94_ddr_write.a55_1",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x00f\\,axi_id\\=0x001@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of a55 core 2 read from ddr",
> > + "MetricName": "imx94_ddr_read.a55_2",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt1\\,axi_mask\\=0x00f\\,axi_id\\=0x002@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of a55 core 2 write to ddr",
> > + "MetricName": "imx94_ddr_write.a55_2",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x00f\\,axi_id\\=0x002@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of a55 core 3 read from ddr",
> > + "MetricName": "imx94_ddr_read.a55_3",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt2\\,axi_mask\\=0x00f\\,axi_id\\=0x003@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of a55 core 3 write to ddr",
> > + "MetricName": "imx94_ddr_write.a55_3",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x00f\\,axi_id\\=0x003@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of m7 core1 read from ddr",
> > + "MetricName": "imx94_ddr_read.m7_1",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt0\\,axi_mask\\=0x00f\\,axi_id\\=0x004@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of m7 core1 write to ddr",
> > + "MetricName": "imx94_ddr_write.m7_1",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x00f\\,axi_id\\=0x004@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of m33 core1 (in netc) read from ddr",
> > + "MetricName": "imx94_ddr_read.m33_1",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt1\\,axi_mask\\=0x00f\\,axi_id\\=0x005@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of m33 core1 (in netc) write to ddr",
> > + "MetricName": "imx94_ddr_write.m33_1",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x00f\\,axi_id\\=0x005@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of pcie2 read from ddr",
> > + "MetricName": "imx94_ddr_read.pcie2",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt2\\,axi_mask\\=0x00f\\,axi_id\\=0x006@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of pcie2 write to ddr",
> > + "MetricName": "imx94_ddr_write.pcie2",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x00f\\,axi_id\\=0x006@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of Cortex-A DSU L3 evicted/ACP transactions read from ddr",
> > + "MetricName": "imx94_ddr_read.cortex_a_dsu",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt0\\,axi_mask\\=0x00f\\,axi_id\\=0x007@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of Cortex-A DSU L3 evicted/ACP transactions write to ddr",
> > + "MetricName": "imx94_ddr_write.cortex_a_dsu",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x00f\\,axi_id\\=0x007@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of m33 core0 read from ddr",
> > + "MetricName": "imx94_ddr_read.m33_0",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt1\\,axi_mask\\=0x00f\\,axi_id\\=0x008@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of m33 core0 write to ddr",
> > + "MetricName": "imx94_ddr_write.m33_0",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x00f\\,axi_id\\=0x008@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of m7 core0 read from ddr",
> > + "MetricName": "imx94_ddr_read.m7_0",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt2\\,axi_mask\\=0x00f\\,axi_id\\=0x009@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of m7 core0 write to ddr",
> > + "MetricName": "imx94_ddr_write.m7_0",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x00f\\,axi_id\\=0x009@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of sentinel read from ddr",
> > + "MetricName": "imx94_ddr_read.sentinel",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt0\\,axi_mask\\=0x00f\\,axi_id\\=0x00a@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of sentinel write to ddr",
> > + "MetricName": "imx94_ddr_write.sentinel",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x00f\\,axi_id\\=0x00a@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of edma1 read from ddr",
> > + "MetricName": "imx94_ddr_read.edma1",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt1\\,axi_mask\\=0x00f\\,axi_id\\=0x00b@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of edma1 write to ddr",
> > + "MetricName": "imx94_ddr_write.edma1",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x00f\\,axi_id\\=0x00b@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of edma2 read from ddr",
> > + "MetricName": "imx94_ddr_read.edma2",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt2\\,axi_mask\\=0x00f\\,axi_id\\=0x00c@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of edma2 write to ddr",
> > + "MetricName": "imx94_ddr_write.edma2",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x00f\\,axi_id\\=0x00c@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of netc read from ddr",
> > + "MetricName": "imx94_ddr_read.netc",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt0\\,axi_mask\\=0x00f\\,axi_id\\=0x00d@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of netc write to ddr",
> > + "MetricName": "imx94_ddr_write.netc",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x00f\\,axi_id\\=0x00d@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of aonmix read from ddr",
> > + "MetricName": "imx94_ddr_read.aonmix",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt2\\,axi_mask\\=0x00f\\,axi_id\\=0x00f@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of aonmix write to ddr",
> > + "MetricName": "imx94_ddr_write.aonmix",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x00f\\,axi_id\\=0x00f@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of npumix read from ddr",
> > + "MetricName": "imx94_ddr_read.npumix",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt0\\,axi_mask\\=0x3f0\\,axi_id\\=0x010@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of npumix write to ddr",
> > + "MetricName": "imx94_ddr_write.npumix",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x3f0\\,axi_id\\=0x010@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of usdhc1 read from ddr",
> > + "MetricName": "imx94_ddr_read.usdhc1",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt1\\,axi_mask\\=0x3f0\\,axi_id\\=0x0b0@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of usdhc1 write to ddr",
> > + "MetricName": "imx94_ddr_write.usdhc1",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x3f0\\,axi_id\\=0x0b0@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of usdhc2 read from ddr",
> > + "MetricName": "imx94_ddr_read.usdhc2",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt2\\,axi_mask\\=0x3f0\\,axi_id\\=0x0c0@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of usdhc2 write to ddr",
> > + "MetricName": "imx94_ddr_write.usdhc2",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x3f0\\,axi_id\\=0x0c0@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of usdhc3 read from ddr",
> > + "MetricName": "imx94_ddr_read.usdhc3",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt0\\,axi_mask\\=0x3f0\\,axi_id\\=0x0d0@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of usdhc3 write to ddr",
> > + "MetricName": "imx94_ddr_write.usdhc3",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x3f0\\,axi_id\\=0x0d0@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of xspi read from ddr",
> > + "MetricName": "imx94_ddr_read.xspi",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt2\\,axi_mask\\=0x3f0\\,axi_id\\=0x0f0@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of xspi write to ddr",
> > + "MetricName": "imx94_ddr_write.xspi",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x3f0\\,axi_id\\=0x0f0@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of pcie1 read from ddr",
> > + "MetricName": "imx94_ddr_read.pcie1",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt0\\,axi_mask\\=0x3f0\\,axi_id\\=0x100@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of pcie1 write to ddr",
> > + "MetricName": "imx94_ddr_write.pcie1",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x3f0\\,axi_id\\=0x100@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of usb1 read from ddr",
> > + "MetricName": "imx94_ddr_read.usb1",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt1\\,axi_mask\\=0x3f0\\,axi_id\\=0x140@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of usb1 write to ddr",
> > + "MetricName": "imx94_ddr_write.usb1",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x3f0\\,axi_id\\=0x140@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of usb2 read from ddr",
> > + "MetricName": "imx94_ddr_read.usb2",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt2\\,axi_mask\\=0x3f0\\,axi_id\\=0x150@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of usb2 write to ddr",
> > + "MetricName": "imx94_ddr_write.usb2",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x3f0\\,axi_id\\=0x150@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of pxp read from ddr",
> > + "MetricName": "imx94_ddr_read.pxp",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt0\\,axi_mask\\=0x3f0\\,axi_id\\=0x2a0@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of pxp write to ddr",
> > + "MetricName": "imx94_ddr_write.pxp",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x3f0\\,axi_id\\=0x2a0@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of dcif read from ddr",
> > + "MetricName": "imx94_ddr_read.dcif",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_rd_beat_filt1\\,axi_mask\\=0x3f0\\,axi_id\\=0x2b0@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + },
> > + {
> > + "BriefDescription": "bytes of dcif write to ddr",
> > + "MetricName": "imx94_ddr_write.dcif",
> > + "MetricExpr": "( imx9_ddr0@eddrtq_pm_wr_beat_filt\\,axi_mask\\=0x3f0\\,axi_id\\=0x2b0@ ) * 32",
> > + "ScaleUnit": "9.765625e-4KB",
> > + "Unit": "imx9_ddr",
> > + "Compat": "imx94"
> > + }
> > +]
> >
> > --
> > 2.34.1
> >
next prev parent reply other threads:[~2025-11-07 1:47 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-21 11:01 [PATCH v2 0/5] add imx94 DDR Performance Monitor support Xu Yang
2025-08-21 11:01 ` [PATCH v2 1/5] dt-bindings: perf: fsl-imx-ddr: Add a compatible string fsl,imx94-ddr-pmu for i.MX94 Xu Yang
2025-08-21 11:01 ` [PATCH v2 2/5] perf: imx_perf: add support for i.MX94 platform Xu Yang
2025-08-21 11:01 ` [PATCH v2 3/5] perf vendor events arm64:: Add i.MX94 DDR Performance Monitor metrics Xu Yang
2025-11-04 6:33 ` Xu Yang
2025-11-07 1:47 ` Namhyung Kim [this message]
2025-11-07 17:54 ` Namhyung Kim
2025-11-04 17:40 ` Ian Rogers
2025-11-07 2:55 ` Xu Yang
2025-08-21 11:01 ` [PATCH v2 4/5] MAINTAINERS: include fsl_imx9_ddr_perf.c and some perf metric files Xu Yang
2025-08-21 11:01 ` [PATCH v2 5/5] arm64: dts: imx94: add DDR Perf Monitor node Xu Yang
2025-08-21 14:51 ` Frank Li
2025-10-20 10:01 ` Shawn Guo
2025-09-18 16:43 ` [PATCH v2 0/5] add imx94 DDR Performance Monitor support Will Deacon
2025-09-26 2:55 ` Xu Yang
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