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Message-Id: <1588868938-21933-3-git-send-email-pc@us.ibm.com>
Date: Thu, 7 May 2020 11:28:58 -0500
From: "Paul A. Clarke" <pc@...ibm.com>
To: linux-perf-users@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, acme@...nel.org,
ananth@...ux.vnet.ibm.com, maddy@...ux.vnet.ibm.com,
naveen.n.rao@...ux.vnet.ibm.com, sukadev@...ux.ibm.com,
mpe@...erman.id.au, irogers@...gle.com
Subject: [PATCH 2/2] perf: Add missing metrics to POWER9 'cpi_breakdown'
From: "Paul A. Clarke" <pc@...ibm.com>
Add the following metrics to the POWER9 'cpi_breakdown' metricgroup:
- ict_noslot_br_mpred_cpi
- ict_noslot_br_mpred_icmiss_cpi
- ict_noslot_cyc_other_cpi
- ict_noslot_disp_held_cpi
- ict_noslot_disp_held_hb_full_cpi
- ict_noslot_disp_held_issq_cpi
- ict_noslot_disp_held_other_cpi
- ict_noslot_disp_held_sync_cpi
- ict_noslot_disp_held_tbegin_cpi
- ict_noslot_ic_l2_cpi
- ict_noslot_ic_l3_cpi
- ict_noslot_ic_l3miss_cpi
- ict_noslot_ic_miss_cpi
Signed-off-by: Paul A. Clarke <pc@...ibm.com>
---
.../arch/powerpc/power9/metrics.json | 143 ++++++++++--------
1 file changed, 78 insertions(+), 65 deletions(-)
diff --git a/tools/perf/pmu-events/arch/powerpc/power9/metrics.json b/tools/perf/pmu-events/arch/powerpc/power9/metrics.json
index 811c2a8c1c9e..6169351a72c8 100644
--- a/tools/perf/pmu-events/arch/powerpc/power9/metrics.json
+++ b/tools/perf/pmu-events/arch/powerpc/power9/metrics.json
@@ -207,6 +207,84 @@
"MetricGroup": "cpi_breakdown",
"MetricName": "fxu_stall_cpi"
},
+ {
+ "BriefDescription": "Ict empty for this thread due to branch mispred",
+ "MetricExpr": "PM_ICT_NOSLOT_BR_MPRED/PM_RUN_INST_CMPL",
+ "MetricGroup": "cpi_breakdown",
+ "MetricName": "ict_noslot_br_mpred_cpi"
+ },
+ {
+ "BriefDescription": "Ict empty for this thread due to Icache Miss and branch mispred",
+ "MetricExpr": "PM_ICT_NOSLOT_BR_MPRED_ICMISS/PM_RUN_INST_CMPL",
+ "MetricGroup": "cpi_breakdown",
+ "MetricName": "ict_noslot_br_mpred_icmiss_cpi"
+ },
+ {
+ "BriefDescription": "ICT other stalls",
+ "MetricExpr": "(PM_ICT_NOSLOT_CYC - PM_ICT_NOSLOT_IC_MISS - PM_ICT_NOSLOT_BR_MPRED_ICMISS - PM_ICT_NOSLOT_BR_MPRED - PM_ICT_NOSLOT_DISP_HELD)/PM_RUN_INST_CMPL",
+ "MetricGroup": "cpi_breakdown",
+ "MetricName": "ict_noslot_cyc_other_cpi"
+ },
+ {
+ "BriefDescription": "Cycles in which the NTC instruciton is held at dispatch for any reason",
+ "MetricExpr": "PM_ICT_NOSLOT_DISP_HELD/PM_RUN_INST_CMPL",
+ "MetricGroup": "cpi_breakdown",
+ "MetricName": "ict_noslot_disp_held_cpi"
+ },
+ {
+ "BriefDescription": "Ict empty for this thread due to dispatch holds because the History Buffer was full. Could be GPR/VSR/VMR/FPR/CR/XVF",
+ "MetricExpr": "PM_ICT_NOSLOT_DISP_HELD_HB_FULL/PM_RUN_INST_CMPL",
+ "MetricGroup": "cpi_breakdown",
+ "MetricName": "ict_noslot_disp_held_hb_full_cpi"
+ },
+ {
+ "BriefDescription": "Ict empty for this thread due to dispatch hold on this thread due to Issue q full, BRQ full, XVCF Full, Count cache, Link, Tar full",
+ "MetricExpr": "PM_ICT_NOSLOT_DISP_HELD_ISSQ/PM_RUN_INST_CMPL",
+ "MetricGroup": "cpi_breakdown",
+ "MetricName": "ict_noslot_disp_held_issq_cpi"
+ },
+ {
+ "BriefDescription": "ICT_NOSLOT_DISP_HELD_OTHER_CPI",
+ "MetricExpr": "(PM_ICT_NOSLOT_DISP_HELD - PM_ICT_NOSLOT_DISP_HELD_HB_FULL - PM_ICT_NOSLOT_DISP_HELD_SYNC - PM_ICT_NOSLOT_DISP_HELD_TBEGIN - PM_ICT_NOSLOT_DISP_HELD_ISSQ)/PM_RUN_INST_CMPL",
+ "MetricGroup": "cpi_breakdown",
+ "MetricName": "ict_noslot_disp_held_other_cpi"
+ },
+ {
+ "BriefDescription": "Dispatch held due to a synchronizing instruction at dispatch",
+ "MetricExpr": "PM_ICT_NOSLOT_DISP_HELD_SYNC/PM_RUN_INST_CMPL",
+ "MetricGroup": "cpi_breakdown",
+ "MetricName": "ict_noslot_disp_held_sync_cpi"
+ },
+ {
+ "BriefDescription": "the NTC instruction is being held at dispatch because it is a tbegin instruction and there is an older tbegin in the pipeline that must complete before the younger tbegin can dispatch",
+ "MetricExpr": "PM_ICT_NOSLOT_DISP_HELD_TBEGIN/PM_RUN_INST_CMPL",
+ "MetricGroup": "cpi_breakdown",
+ "MetricName": "ict_noslot_disp_held_tbegin_cpi"
+ },
+ {
+ "BriefDescription": "ICT_NOSLOT_IC_L2_CPI",
+ "MetricExpr": "(PM_ICT_NOSLOT_IC_MISS - PM_ICT_NOSLOT_IC_L3 - PM_ICT_NOSLOT_IC_L3MISS)/PM_RUN_INST_CMPL",
+ "MetricGroup": "cpi_breakdown",
+ "MetricName": "ict_noslot_ic_l2_cpi"
+ },
+ {
+ "BriefDescription": "Ict empty for this thread due to icache misses that were sourced from the local L3",
+ "MetricExpr": "PM_ICT_NOSLOT_IC_L3/PM_RUN_INST_CMPL",
+ "MetricGroup": "cpi_breakdown",
+ "MetricName": "ict_noslot_ic_l3_cpi"
+ },
+ {
+ "BriefDescription": "Ict empty for this thread due to icache misses that were sourced from beyond the local L3. The source could be local/remote/distant memory or another core's cache",
+ "MetricExpr": "PM_ICT_NOSLOT_IC_L3MISS/PM_RUN_INST_CMPL",
+ "MetricGroup": "cpi_breakdown",
+ "MetricName": "ict_noslot_ic_l3miss_cpi"
+ },
+ {
+ "BriefDescription": "Ict empty for this thread due to Icache Miss",
+ "MetricExpr": "PM_ICT_NOSLOT_IC_MISS/PM_RUN_INST_CMPL",
+ "MetricGroup": "cpi_breakdown",
+ "MetricName": "ict_noslot_ic_miss_cpi"
+ },
{
"MetricExpr": "(PM_NTC_ISSUE_HELD_DARQ_FULL + PM_NTC_ISSUE_HELD_ARB + PM_NTC_ISSUE_HELD_OTHER)/PM_RUN_INST_CMPL",
"MetricGroup": "cpi_breakdown",
@@ -1819,71 +1897,6 @@
"MetricExpr": "PM_FXU_IDLE / PM_CYC",
"MetricName": "fxu_all_idle"
},
- {
- "BriefDescription": "Ict empty for this thread due to branch mispred",
- "MetricExpr": "PM_ICT_NOSLOT_BR_MPRED/PM_RUN_INST_CMPL",
- "MetricName": "ict_noslot_br_mpred_cpi"
- },
- {
- "BriefDescription": "Ict empty for this thread due to Icache Miss and branch mispred",
- "MetricExpr": "PM_ICT_NOSLOT_BR_MPRED_ICMISS/PM_RUN_INST_CMPL",
- "MetricName": "ict_noslot_br_mpred_icmiss_cpi"
- },
- {
- "BriefDescription": "ICT other stalls",
- "MetricExpr": "(PM_ICT_NOSLOT_CYC - PM_ICT_NOSLOT_IC_MISS - PM_ICT_NOSLOT_BR_MPRED_ICMISS - PM_ICT_NOSLOT_BR_MPRED - PM_ICT_NOSLOT_DISP_HELD)/PM_RUN_INST_CMPL",
- "MetricName": "ict_noslot_cyc_other_cpi"
- },
- {
- "BriefDescription": "Cycles in which the NTC instruciton is held at dispatch for any reason",
- "MetricExpr": "PM_ICT_NOSLOT_DISP_HELD/PM_RUN_INST_CMPL",
- "MetricName": "ict_noslot_disp_held_cpi"
- },
- {
- "BriefDescription": "Ict empty for this thread due to dispatch holds because the History Buffer was full. Could be GPR/VSR/VMR/FPR/CR/XVF",
- "MetricExpr": "PM_ICT_NOSLOT_DISP_HELD_HB_FULL/PM_RUN_INST_CMPL",
- "MetricName": "ict_noslot_disp_held_hb_full_cpi"
- },
- {
- "BriefDescription": "Ict empty for this thread due to dispatch hold on this thread due to Issue q full, BRQ full, XVCF Full, Count cache, Link, Tar full",
- "MetricExpr": "PM_ICT_NOSLOT_DISP_HELD_ISSQ/PM_RUN_INST_CMPL",
- "MetricName": "ict_noslot_disp_held_issq_cpi"
- },
- {
- "BriefDescription": "ICT_NOSLOT_DISP_HELD_OTHER_CPI",
- "MetricExpr": "(PM_ICT_NOSLOT_DISP_HELD - PM_ICT_NOSLOT_DISP_HELD_HB_FULL - PM_ICT_NOSLOT_DISP_HELD_SYNC - PM_ICT_NOSLOT_DISP_HELD_TBEGIN - PM_ICT_NOSLOT_DISP_HELD_ISSQ)/PM_RUN_INST_CMPL",
- "MetricName": "ict_noslot_disp_held_other_cpi"
- },
- {
- "BriefDescription": "Dispatch held due to a synchronizing instruction at dispatch",
- "MetricExpr": "PM_ICT_NOSLOT_DISP_HELD_SYNC/PM_RUN_INST_CMPL",
- "MetricName": "ict_noslot_disp_held_sync_cpi"
- },
- {
- "BriefDescription": "the NTC instruction is being held at dispatch because it is a tbegin instruction and there is an older tbegin in the pipeline that must complete before the younger tbegin can dispatch",
- "MetricExpr": "PM_ICT_NOSLOT_DISP_HELD_TBEGIN/PM_RUN_INST_CMPL",
- "MetricName": "ict_noslot_disp_held_tbegin_cpi"
- },
- {
- "BriefDescription": "ICT_NOSLOT_IC_L2_CPI",
- "MetricExpr": "(PM_ICT_NOSLOT_IC_MISS - PM_ICT_NOSLOT_IC_L3 - PM_ICT_NOSLOT_IC_L3MISS)/PM_RUN_INST_CMPL",
- "MetricName": "ict_noslot_ic_l2_cpi"
- },
- {
- "BriefDescription": "Ict empty for this thread due to icache misses that were sourced from the local L3",
- "MetricExpr": "PM_ICT_NOSLOT_IC_L3/PM_RUN_INST_CMPL",
- "MetricName": "ict_noslot_ic_l3_cpi"
- },
- {
- "BriefDescription": "Ict empty for this thread due to icache misses that were sourced from beyond the local L3. The source could be local/remote/distant memory or another core's cache",
- "MetricExpr": "PM_ICT_NOSLOT_IC_L3MISS/PM_RUN_INST_CMPL",
- "MetricName": "ict_noslot_ic_l3miss_cpi"
- },
- {
- "BriefDescription": "Ict empty for this thread due to Icache Miss",
- "MetricExpr": "PM_ICT_NOSLOT_IC_MISS/PM_RUN_INST_CMPL",
- "MetricName": "ict_noslot_ic_miss_cpi"
- },
{
"BriefDescription": "Rate of IERAT reloads from L2",
"MetricExpr": "PM_IPTEG_FROM_L2 * 100 / PM_RUN_INST_CMPL",
--
2.18.2
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