[PATCH RFC 2/4] perf vendor events: Add JSON metrics for cmn700
Jing Zhang
renyu.zj at linux.alibaba.com
Sun Mar 26 19:46:10 PDT 2023
Add JSON metrics for cmn700. Currently just add part of cmn700 PMU
events and metrics which are general and compatible for any SoC.
Signed-off-by: Jing Zhang <renyu.zj at linux.alibaba.com>
---
.../pmu-events/arch/arm64/arm/cmn700/sys/cmn.json | 188 +++++++++++++++++++++
.../arch/arm64/arm/cmn700/sys/metrics.json | 74 ++++++++
tools/perf/pmu-events/jevents.py | 1 +
3 files changed, 263 insertions(+)
create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/cmn.json
create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/metrics.json
diff --git a/tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/cmn.json b/tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/cmn.json
new file mode 100644
index 0000000..a060d1d
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/cmn.json
@@ -0,0 +1,188 @@
+[
+ {
+ "EventName": "hnf_cache_miss",
+ "BriefDescription": "Counts total cache misses in first lookup result (high priority)",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hnf_slc_sf_cache_access",
+ "BriefDescription": "Counts number of cache accesses in first access (high priority)",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hnf_cache_fill",
+ "BriefDescription": "Counts total allocations in HN SLC (all cache line allocations to SLC)",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hnf_pocq_retry",
+ "BriefDescription": "Counts number of retried requests",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hnf_pocq_reqs_recvd",
+ "BriefDescription": "Counts number of requests that HN receives",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hnf_sf_hit",
+ "BriefDescription": "Counts number of SF hits",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hnf_sf_evictions",
+ "BriefDescription": "Counts number of SF eviction cache invalidations initiated",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hnf_dir_snoops_sent",
+ "BriefDescription": "Counts number of directed snoops sent (not including SF back invalidation)",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hnf_brd_snoops_sent",
+ "BriefDescription": "Counts number of multicast snoops sent (not including SF back invalidation)",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hnf_mc_retries",
+ "BriefDescription": "Counts number of retried transactions by the MC",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hnf_mc_reqs",
+ "BriefDescription": "Counts number of requests that are sent to MC",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hnf_qos_hh_retry",
+ "BriefDescription": "Counts number of times a HighHigh priority request is protocolretried at the HN‑F",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "rnid_s0_rdata_beats",
+ "BriefDescription": "Number of RData beats (RVALID and RREADY) dispatched on port 0. This event measures the read bandwidth, including CMO responses.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "rnid_s1_rdata_beats",
+ "BriefDescription": "Number of RData beats (RVALID and RREADY) dispatched on port 1. This event measures the read bandwidth, including CMO responses.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "rnid_s2_rdata_beats",
+ "BriefDescription": "Number of RData beats (RVALID and RREADY) dispatched on port 2. This event measures the read bandwidth, including CMO responses.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "rnid_rxdat_flits",
+ "BriefDescription": "Number of RXDAT flits received. This event measures the true read data bandwidth, excluding CMOs.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "rnid_txdat_flits",
+ "BriefDescription": "Number of TXDAT flits dispatched. This event measures the write bandwidth.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "rnid_txreq_flits_total",
+ "BriefDescription": "Number of TXREQ flits dispatched. This event measures the total request bandwidth.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "rnid_txreq_flits_retried",
+ "BriefDescription": "Number of retried TXREQ flits dispatched. This event measures the retry rate.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "sbsx_txdat_flitv",
+ "BriefDescription": "Number of TXDAT flits dispatched from XP to SBSX. This event is a measure of the write bandwidth.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "sbsx_txrsp_retryack",
+ "BriefDescription": "Number of RXREQ flits dispatched. This event is a measure of the retry rate.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "sbsx_arvalid_no_arready",
+ "BriefDescription": "Number of cycles the SBSX bridge is stalled because of backpressure on AR channel.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "sbsx_awvalid_no_awready",
+ "BriefDescription": "Number of cycles the SBSX bridge is stalled because of backpressure on AW channel.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "sbsx_wvalid_no_wready",
+ "BriefDescription": "Number of cycles the SBSX bridge is stalled because of backpressure on W channel.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hni_txdat_stall",
+ "BriefDescription": "TXDAT valid but no link credit available.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hni_txrsp_retryack",
+ "BriefDescription": "Number of RXREQ flits dispatched. This event is a measure of the retry rate.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hni_arvalid_no_arready",
+ "BriefDescription": "Number of cycles the HN-I bridge is stalled because of backpressure on AR channel.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hni_awvalid_no_awready",
+ "BriefDescription": "Number of cycles the HN-I bridge is stalled because of backpressure on AW channel.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hni_wvalid_no_wready",
+ "BriefDescription": "Number of cycles the HN-I bridge is stalled because of backpressure on W channel.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hni_arready_no_arvalid",
+ "BriefDescription": "Number of cycles the AR channel is waiting for new requests from HN-I bridge.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "EventName": "hni_awready_no_awvalid",
+ "BriefDescription": "Number of cycles the AW channel is waiting for new requests from HN-I bridge.",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/metrics.json b/tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/metrics.json
new file mode 100644
index 0000000..430567b
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/arm/cmn700/sys/metrics.json
@@ -0,0 +1,74 @@
+[
+ {
+ "MetricName": "slc_miss_rate",
+ "BriefDescription": "The system level cache miss rate include.",
+ "MetricGroup": "cmn700",
+ "MetricExpr": "hnf_cache_miss / hnf_slc_sf_cache_access",
+ "ScaleUnit": "100%",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "MetricName": "hnf_message_retry_rate",
+ "BriefDescription": "HN-F message retry rate indicates whether a lack of credits is causing the bottlenecks.",
+ "MetricGroup": "cmn700",
+ "MetricExpr": "hnf_pocq_retry / hnf_pocq_reqs_recvd",
+ "ScaleUnit": "100%",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "MetricName": "sf_hit_rate",
+ "BriefDescription": "Snoop filter hit rate can be used to measure the Snoop Filter efficiency.",
+ "MetricGroup": "cmn700",
+ "MetricExpr": "hnf_sf_hit / hnf_slc_sf_cache_access",
+ "ScaleUnit": "100%",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "MetricName": "mc_message_retry_rate",
+ "BriefDescription": "The memory controller request retries rate indicates whether the memory controller is the bottleneck.",
+ "MetricGroup": "cmn700",
+ "MetricExpr": "hnf_mc_retries / hnf_mc_reqs",
+ "ScaleUnit": "100%",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "MetricName": "rni_actual_read_bandwidth.all",
+ "BriefDescription": "This event measure the actual bandwidth(MB/sec) that RN-I bridge sends to the interconnect.",
+ "MetricGroup": "cmn700",
+ "MetricExpr": "rnid_rxdat_flits * 32 / 1e6 / duration_time",
+ "ScaleUnit": "1MB/s",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "MetricName": "rni_actual_write_bandwidth.all",
+ "BriefDescription": "This event measures the actual write bandwidth(MB/sec) at RN-I bridges.",
+ "MetricGroup": "cmn700",
+ "MetricExpr": "rnid_txdat_flits * 32 / 1e6 / duration_time",
+ "ScaleUnit": "1MB/s",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "MetricName": "rni_retry_rate",
+ "BriefDescription": "RN-I bridge retry rate indicates whether the memory controller is the bottleneck.",
+ "MetricGroup": "cmn700",
+ "MetricExpr": "rnid_txreq_flits_retried / rnid_txreq_flits_total",
+ "ScaleUnit": "100%",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ },
+ {
+ "MetricName": "sbsx_actual_write_bandwidth.all",
+ "BriefDescription": "sbsx actual write bandwidth(MB/sec).",
+ "MetricGroup": "cmn700",
+ "MetricExpr": "sbsx_txdat_flitv * 32 / 1e6 / duration_time",
+ "ScaleUnit": "1MB/s",
+ "Unit": "cmn700",
+ "Compat": "CMN700"
+ }
+]
diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py
index 2bcd07c..20ed492 100755
--- a/tools/perf/pmu-events/jevents.py
+++ b/tools/perf/pmu-events/jevents.py
@@ -256,6 +256,7 @@ class JsonEvent:
'DFPMC': 'amd_df',
'cpu_core': 'cpu_core',
'cpu_atom': 'cpu_atom',
+ 'cmn700': 'cmn700',
}
return table[unit] if unit in table else f'uncore_{unit.lower()}'
--
1.8.3.1
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