Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Wed, 26 Apr 2023 00:00:13 -0700
In-Reply-To: <20230426070050.1315519-1-irogers@google.com>
Message-Id: <20230426070050.1315519-4-irogers@google.com>
Mime-Version: 1.0
References: <20230426070050.1315519-1-irogers@google.com>
Subject: [PATCH v1 03/40] perf vendor events intel: Add icelake metric constraints
From:   Ian Rogers <irogers@google.com>
To:     Arnaldo Carvalho de Melo <acme@kernel.org>,
        Kan Liang <kan.liang@linux.intel.com>,
        Ahmad Yasin <ahmad.yasin@intel.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Stephane Eranian <eranian@google.com>,
        Andi Kleen <ak@linux.intel.com>,
        Perry Taylor <perry.taylor@intel.com>,
        Samantha Alt <samantha.alt@intel.com>,
        Caleb Biggers <caleb.biggers@intel.com>,
        Weilin Wang <weilin.wang@intel.com>,
        Edward Baker <edward.baker@intel.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Florian Fischer <florian.fischer@muhq.space>,
        Rob Herring <robh@kernel.org>,
        Zhengjun Xing <zhengjun.xing@linux.intel.com>,
        John Garry <john.g.garry@oracle.com>,
        Kajol Jain <kjain@linux.ibm.com>,
        Sumanth Korikkar <sumanthk@linux.ibm.com>,
        Thomas Richter <tmricht@linux.ibm.com>,
        Tiezhu Yang <yangtiezhu@loongson.cn>,
        Ravi Bangoria <ravi.bangoria@amd.com>,
        Leo Yan <leo.yan@linaro.org>,
        Yang Jihong <yangjihong1@huawei.com>,
        James Clark <james.clark@arm.com>,
        Suzuki Poulouse <suzuki.poulose@arm.com>,
        Kang Minchul <tegongkang@gmail.com>,
        Athira Rajeev <atrajeev@linux.vnet.ibm.com>,
        linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Cc:     Ian Rogers <irogers@google.com>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Precedence: bulk

Previously these constraints were disabled as they contained topdown
events. Since:
https://lore.kernel.org/all/20230312021543.3060328-9-irogers@google.com/
the topdown events are correctly grouped even if no group exists.

This change was created by PR:
https://github.com/intel/perfmon/pull/71

Signed-off-by: Ian Rogers <irogers@google.com>
---
 .../perf/pmu-events/arch/x86/icelake/icl-metrics.json | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tools/perf/pmu-events/arch/x86/icelake/icl-metrics.json b/tool=
s/perf/pmu-events/arch/x86/icelake/icl-metrics.json
index f45ae3483df4..cb58317860ea 100644
--- a/tools/perf/pmu-events/arch/x86/icelake/icl-metrics.json
+++ b/tools/perf/pmu-events/arch/x86/icelake/icl-metrics.json
@@ -311,6 +311,7 @@
     },
     {
         "BriefDescription": "This metric represents overall arithmetic flo=
ating-point (FP) operations fraction the CPU has executed (retired)",
+        "MetricConstraint": "NO_GROUP_EVENTS",
         "MetricExpr": "tma_x87_use + tma_fp_scalar + tma_fp_vector",
         "MetricGroup": "HPC;TopdownL3;tma_L3_group;tma_light_operations_gr=
oup",
         "MetricName": "tma_fp_arith",
@@ -413,6 +414,7 @@
     },
     {
         "BriefDescription": "Branch Misprediction Cost: Fraction of TMA sl=
ots wasted per non-speculative branch misprediction (retired JEClear)",
+        "MetricConstraint": "NO_GROUP_EVENTS",
         "MetricExpr": "(tma_branch_mispredicts + tma_fetch_latency * tma_m=
ispredicts_resteers / (tma_branch_resteers + tma_dsb_switches + tma_icache_=
misses + tma_itlb_misses + tma_lcp + tma_ms_switches)) * tma_info_slots / B=
R_MISP_RETIRED.ALL_BRANCHES",
         "MetricGroup": "Bad;BrMispredicts;tma_issueBM",
         "MetricName": "tma_info_branch_misprediction_cost",
@@ -458,6 +460,7 @@
     },
     {
         "BriefDescription": "Probability of Core Bound bottleneck hidden b=
y SMT-profiling artifacts",
+        "MetricConstraint": "NO_GROUP_EVENTS",
         "MetricExpr": "(100 * (1 - tma_core_bound / tma_ports_utilization =
if tma_core_bound < tma_ports_utilization else 1) if tma_info_smt_2t_utiliz=
ation > 0.5 else 0)",
         "MetricGroup": "Cor;SMT",
         "MetricName": "tma_info_core_bound_likely",
@@ -510,6 +513,7 @@
     },
     {
         "BriefDescription": "Total pipeline cost of DSB (uop cache) misses=
 - subset of the Instruction_Fetch_BW Bottleneck",
+        "MetricConstraint": "NO_GROUP_EVENTS",
         "MetricExpr": "100 * (tma_fetch_latency * tma_dsb_switches / (tma_=
branch_resteers + tma_dsb_switches + tma_icache_misses + tma_itlb_misses + =
tma_lcp + tma_ms_switches) + tma_fetch_bandwidth * tma_mite / (tma_dsb + tm=
a_lsd + tma_mite))",
         "MetricGroup": "DSBmiss;Fed;tma_issueFB",
         "MetricName": "tma_info_dsb_misses",
@@ -591,6 +595,7 @@
     },
     {
         "BriefDescription": "Total pipeline cost of instruction fetch band=
width related bottlenecks",
+        "MetricConstraint": "NO_GROUP_EVENTS",
         "MetricExpr": "100 * (tma_frontend_bound - tma_fetch_latency * tma=
_mispredicts_resteers / (tma_branch_resteers + tma_dsb_switches + tma_icach=
e_misses + tma_itlb_misses + tma_lcp + tma_ms_switches)) - tma_info_big_cod=
e",
         "MetricGroup": "Fed;FetchBW;Frontend",
         "MetricName": "tma_info_instruction_fetch_bw",
@@ -929,6 +934,7 @@
     },
     {
         "BriefDescription": "Total pipeline cost of Memory Address Transla=
tion related bottlenecks (data-side TLBs)",
+        "MetricConstraint": "NO_GROUP_EVENTS",
         "MetricExpr": "100 * tma_memory_bound * (tma_l1_bound / max(tma_me=
mory_bound, tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + t=
ma_store_bound) * (tma_dtlb_load / max(tma_l1_bound, tma_4k_aliasing + tma_=
dtlb_load + tma_fb_full + tma_lock_latency + tma_split_loads + tma_store_fw=
d_blk)) + tma_store_bound / (tma_dram_bound + tma_l1_bound + tma_l2_bound +=
 tma_l3_bound + tma_store_bound) * (tma_dtlb_store / (tma_dtlb_store + tma_=
false_sharing + tma_split_stores + tma_store_latency + tma_streaming_stores=
)))",
         "MetricGroup": "Mem;MemoryTLB;Offcore;tma_issueTLB",
         "MetricName": "tma_info_memory_data_tlbs",
@@ -937,6 +943,7 @@
     },
     {
         "BriefDescription": "Total pipeline cost of Memory Latency related=
 bottlenecks (external memory and off-core caches)",
+        "MetricConstraint": "NO_GROUP_EVENTS",
         "MetricExpr": "100 * tma_memory_bound * (tma_dram_bound / (tma_dra=
m_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound) * (=
tma_mem_latency / (tma_mem_bandwidth + tma_mem_latency)) + tma_l3_bound / (=
tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bou=
nd) * (tma_l3_hit_latency / (tma_contested_accesses + tma_data_sharing + tm=
a_l3_hit_latency + tma_sq_full)) + tma_l2_bound / (tma_dram_bound + tma_l1_=
bound + tma_l2_bound + tma_l3_bound + tma_store_bound))",
         "MetricGroup": "Mem;MemoryLat;Offcore;tma_issueLat",
         "MetricName": "tma_info_memory_latency",
@@ -945,6 +952,7 @@
     },
     {
         "BriefDescription": "Total pipeline cost of Branch Misprediction r=
elated bottlenecks",
+        "MetricConstraint": "NO_GROUP_EVENTS",
         "MetricExpr": "100 * (tma_branch_mispredicts + tma_fetch_latency *=
 tma_mispredicts_resteers / (tma_branch_resteers + tma_dsb_switches + tma_i=
cache_misses + tma_itlb_misses + tma_lcp + tma_ms_switches))",
         "MetricGroup": "Bad;BadSpec;BrMispredicts;tma_issueBM",
         "MetricName": "tma_info_mispredictions",
@@ -996,6 +1004,7 @@
     },
     {
         "BriefDescription": "Average number of Uops retired in cycles wher=
e at least one uop has retired.",
+        "MetricConstraint": "NO_GROUP_EVENTS",
         "MetricExpr": "tma_retiring * tma_info_slots / cpu@UOPS_RETIRED.SL=
OTS\\,cmask\\=3D1@",
         "MetricGroup": "Pipeline;Ret",
         "MetricName": "tma_info_retire"
@@ -1196,6 +1205,7 @@
     },
     {
         "BriefDescription": "This metric represents fraction of slots wher=
e the CPU was retiring memory operations -- uops for memory load or store a=
ccesses.",
+        "MetricConstraint": "NO_GROUP_EVENTS",
         "MetricExpr": "tma_light_operations * MEM_INST_RETIRED.ANY / INST_=
RETIRED.ANY",
         "MetricGroup": "Pipeline;TopdownL3;tma_L3_group;tma_light_operatio=
ns_group",
         "MetricName": "tma_memory_operations",
@@ -1266,6 +1276,7 @@
     },
     {
         "BriefDescription": "This metric represents the remaining light uo=
ps fraction the CPU has executed - remaining means not covered by other sib=
ling nodes",
+        "MetricConstraint": "NO_GROUP_EVENTS",
         "MetricExpr": "max(0, tma_light_operations - (tma_fp_arith + tma_m=
emory_operations + tma_branch_instructions + tma_nop_instructions))",
         "MetricGroup": "Pipeline;TopdownL3;tma_L3_group;tma_light_operatio=
ns_group",
         "MetricName": "tma_other_light_ops",
--=20
2.40.1.495.gc816e09b53d-goog