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Message-Id: <1690525040-77423-5-git-send-email-renyu.zj@linux.alibaba.com>
Date: Fri, 28 Jul 2023 14:17:19 +0800
From: Jing Zhang <renyu.zj@...ux.alibaba.com>
To: John Garry <john.g.garry@...cle.com>,
Ian Rogers <irogers@...gle.com>
Cc: Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>,
Robin Murphy <robin.murphy@....com>,
Ilkka Koskinen <ilkka@...amperecomputing.com>,
Namhyung Kim <namhyung@...nel.org>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-perf-users@...r.kernel.org, linux-doc@...r.kernel.org,
Zhuo Song <zhuo.song@...ux.alibaba.com>,
Jing Zhang <renyu.zj@...ux.alibaba.com>,
Shuai Xue <xueshuai@...ux.alibaba.com>
Subject: [PATCH v5 4/5] perf jevents: Add support for Arm CMN PMU aliasing
Currently just add aliases for part of Arm CMN PMU events which are
general and compatible for any SoC and CMN-ANY.
"Compat" value "434*;436*;43c*;43a*" means it is compatible with all
CMN600/CMN650/CMN700/Ci700.
Signed-off-by: Jing Zhang <renyu.zj@...ux.alibaba.com>
---
.../pmu-events/arch/arm64/arm/cmn/sys/cmn.json | 266 +++++++++++++++++++++
tools/perf/pmu-events/jevents.py | 1 +
2 files changed, 267 insertions(+)
create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cmn/sys/cmn.json
diff --git a/tools/perf/pmu-events/arch/arm64/arm/cmn/sys/cmn.json b/tools/perf/pmu-events/arch/arm64/arm/cmn/sys/cmn.json
new file mode 100644
index 0000000..e54036c
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/arm/cmn/sys/cmn.json
@@ -0,0 +1,266 @@
+[
+ {
+ "EventName": "hnf_cache_miss",
+ "EventIdCode": "0x1",
+ "Type": "0x5",
+ "BriefDescription": "Counts total cache misses in first lookup result (high priority).",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hnf_slc_sf_cache_access",
+ "EventIdCode": "0x2",
+ "Type": "0x5",
+ "BriefDescription": "Counts number of cache accesses in first access (high priority).",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hnf_cache_fill",
+ "EventIdCode": "0x3",
+ "Type": "0x5",
+ "BriefDescription": "Counts total allocations in HN SLC (all cache line allocations to SLC).",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hnf_pocq_retry",
+ "EventIdCode": "0x4",
+ "Type": "0x5",
+ "BriefDescription": "Counts number of retried requests.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hnf_pocq_reqs_recvd",
+ "EventIdCode": "0x5",
+ "Type": "0x5",
+ "BriefDescription": "Counts number of requests that HN receives.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hnf_sf_hit",
+ "EventIdCode": "0x6",
+ "Type": "0x5",
+ "BriefDescription": "Counts number of SF hits.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hnf_sf_evictions",
+ "EventIdCode": "0x7",
+ "Type": "0x5",
+ "BriefDescription": "Counts number of SF eviction cache invalidations initiated.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hnf_dir_snoops_sent",
+ "EventIdCode": "0x8",
+ "Type": "0x5",
+ "BriefDescription": "Counts number of directed snoops sent (not including SF back invalidation).",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hnf_brd_snoops_sent",
+ "EventIdCode": "0x9",
+ "Type": "0x5",
+ "BriefDescription": "Counts number of multicast snoops sent (not including SF back invalidation).",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hnf_slc_eviction",
+ "EventIdCode": "0xa",
+ "Type": "0x5",
+ "BriefDescription": "Counts number of SLC evictions (dirty only).",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hnf_slc_fill_invalid_way",
+ "EventIdCode": "0xb",
+ "Type": "0x5",
+ "BriefDescription": "Counts number of SLC fills to an invalid way.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hnf_mc_retries",
+ "EventIdCode": "0xc",
+ "Type": "0x5",
+ "BriefDescription": "Counts number of retried transactions by the MC.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hnf_mc_reqs",
+ "EventIdCode": "0xd",
+ "Type": "0x5",
+ "BriefDescription": "Counts number of requests that are sent to MC.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hnf_qos_hh_retry",
+ "EventIdCode": "0xe",
+ "Type": "0x5",
+ "BriefDescription": "Counts number of times a HighHigh priority request is protocolretried at the HN‑F.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "rnid_s0_rdata_beats",
+ "EventIdCode": "0x1",
+ "Type": "0xa",
+ "BriefDescription": "Number of RData beats (RVALID and RREADY) dispatched on port 0. This event measures the read bandwidth, including CMO responses.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "rnid_s1_rdata_beats",
+ "EventIdCode": "0x2",
+ "Type": "0xa",
+ "BriefDescription": "Number of RData beats (RVALID and RREADY) dispatched on port 1. This event measures the read bandwidth, including CMO responses.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "rnid_s2_rdata_beats",
+ "EventIdCode": "0x3",
+ "Type": "0xa",
+ "BriefDescription": "Number of RData beats (RVALID and RREADY) dispatched on port 2. This event measures the read bandwidth, including CMO responses.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "rnid_rxdat_flits",
+ "EventIdCode": "0x4",
+ "Type": "0xa",
+ "BriefDescription": "Number of RXDAT flits received. This event measures the true read data bandwidth, excluding CMOs.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "rnid_txdat_flits",
+ "EventIdCode": "0x5",
+ "Type": "0xa",
+ "BriefDescription": "Number of TXDAT flits dispatched. This event measures the write bandwidth.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "rnid_txreq_flits_total",
+ "EventIdCode": "0x6",
+ "Type": "0xa",
+ "BriefDescription": "Number of TXREQ flits dispatched. This event measures the total request bandwidth.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "rnid_txreq_flits_retried",
+ "EventIdCode": "0x7",
+ "Type": "0xa",
+ "BriefDescription": "Number of retried TXREQ flits dispatched. This event measures the retry rate.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "sbsx_txrsp_retryack",
+ "EventIdCode": "0x4",
+ "Type": "0x7",
+ "BriefDescription": "Number of RXREQ flits dispatched. This event is a measure of the retry rate.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "sbsx_txdat_flitv",
+ "EventIdCode": "0x5",
+ "Type": "0x7",
+ "BriefDescription": "Number of TXDAT flits dispatched from XP to SBSX. This event is a measure of the write bandwidth.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "sbsx_arvalid_no_arready",
+ "EventIdCode": "0x21",
+ "Type": "0x7",
+ "BriefDescription": "Number of cycles the SBSX bridge is stalled because of backpressure on AR channel.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "sbsx_awvalid_no_awready",
+ "EventIdCode": "0x22",
+ "Type": "0x7",
+ "BriefDescription": "Number of cycles the SBSX bridge is stalled because of backpressure on AW channel.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "sbsx_wvalid_no_wready",
+ "EventIdCode": "0x23",
+ "Type": "0x7",
+ "BriefDescription": "Number of cycles the SBSX bridge is stalled because of backpressure on W channel.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hni_txrsp_retryack",
+ "EventIdCode": "0x2a",
+ "Type": "0x4",
+ "BriefDescription": "Number of RXREQ flits dispatched. This event is a measure of the retry rate.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hni_arvalid_no_arready",
+ "EventIdCode": "0x2b",
+ "Type": "0x4",
+ "BriefDescription": "Number of cycles the HN-I bridge is stalled because of backpressure on AR channel.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hni_arready_no_arvalid",
+ "EventIdCode": "0x2c",
+ "Type": "0x4",
+ "BriefDescription": "Number of cycles the AR channel is waiting for new requests from HN-I bridge.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hni_awvalid_no_awready",
+ "EventIdCode": "0x2d",
+ "Type": "0x4",
+ "BriefDescription": "Number of cycles the HN-I bridge is stalled because of backpressure on AW channel.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hni_awready_no_awvalid",
+ "EventIdCode": "0x2e",
+ "Type": "0x4",
+ "BriefDescription": "Number of cycles the AW channel is waiting for new requests from HN-I bridge.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hni_wvalid_no_wready",
+ "EventIdCode": "0x2f",
+ "Type": "0x4",
+ "BriefDescription": "Number of cycles the HN-I bridge is stalled because of backpressure on W channel.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ },
+ {
+ "EventName": "hni_txdat_stall",
+ "EventIdCode": "0x30",
+ "Type": "0x4",
+ "BriefDescription": "TXDAT valid but no link credit available.",
+ "Unit": "arm_cmn",
+ "Compat": "434*;436*;43c*;43a*"
+ }
+]
diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py
index 9c0f63a..bfdfb67 100755
--- a/tools/perf/pmu-events/jevents.py
+++ b/tools/perf/pmu-events/jevents.py
@@ -272,6 +272,7 @@ class JsonEvent:
'DFPMC': 'amd_df',
'cpu_core': 'cpu_core',
'cpu_atom': 'cpu_atom',
+ 'arm_cmn': 'arm_cmn',
}
return table[unit] if unit in table else f'uncore_{unit.lower()}'
--
1.8.3.1
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