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Message-Id: <20200813222155.268183-1-pc@us.ibm.com>
Date: Thu, 13 Aug 2020 17:21:55 -0500
From: "Paul A. Clarke" <pc@...ibm.com>
To: acme@...nel.org
Cc: linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
jolsa@...hat.com, kjain@...ux.ibm.com, maddy@...ux.ibm.com,
irogers@...gle.com
Subject: [PATCH] perf stat: update POWER9 metrics to utilize other metrics
These changes take advantage of the new capability added in
merge commit 00e4db51259a5f936fec1424b884f029479d3981
"Allow using computed metrics in calculating other metrics".
The net is a simplification of the expressions for a handful
of metrics, but no functional change.
Signed-off-by: Paul A. Clarke <pc@...ibm.com>
---
.../arch/powerpc/power9/metrics.json | 48 +++++++++----------
1 file changed, 24 insertions(+), 24 deletions(-)
diff --git a/tools/perf/pmu-events/arch/powerpc/power9/metrics.json b/tools/perf/pmu-events/arch/powerpc/power9/metrics.json
index 80816d6402e9..f8784c608479 100644
--- a/tools/perf/pmu-events/arch/powerpc/power9/metrics.json
+++ b/tools/perf/pmu-events/arch/powerpc/power9/metrics.json
@@ -60,7 +60,7 @@
},
{
"BriefDescription": "Stalls due to short latency decimal floating ops.",
- "MetricExpr": "(PM_CMPLU_STALL_DFU - PM_CMPLU_STALL_DFLONG)/PM_RUN_INST_CMPL",
+ "MetricExpr": "dfu_stall_cpi - dflong_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "dfu_other_stall_cpi"
},
@@ -72,7 +72,7 @@
},
{
"BriefDescription": "Completion stall by Dcache miss which resolved off node memory/cache",
- "MetricExpr": "(PM_CMPLU_STALL_DMISS_L3MISS - PM_CMPLU_STALL_DMISS_L21_L31 - PM_CMPLU_STALL_DMISS_LMEM - PM_CMPLU_STALL_DMISS_REMOTE)/PM_RUN_INST_CMPL",
+ "MetricExpr": "dmiss_non_local_stall_cpi - dmiss_remote_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "dmiss_distant_stall_cpi"
},
@@ -90,7 +90,7 @@
},
{
"BriefDescription": "Completion stall due to cache miss that resolves in the L2 or L3 without conflict",
- "MetricExpr": "(PM_CMPLU_STALL_DMISS_L2L3 - PM_CMPLU_STALL_DMISS_L2L3_CONFLICT)/PM_RUN_INST_CMPL",
+ "MetricExpr": "dmiss_l2l3_stall_cpi - dmiss_l2l3_conflict_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "dmiss_l2l3_noconflict_stall_cpi"
},
@@ -114,7 +114,7 @@
},
{
"BriefDescription": "Completion stall by Dcache miss which resolved outside of local memory",
- "MetricExpr": "(PM_CMPLU_STALL_DMISS_L3MISS - PM_CMPLU_STALL_DMISS_L21_L31 - PM_CMPLU_STALL_DMISS_LMEM)/PM_RUN_INST_CMPL",
+ "MetricExpr": "dmiss_l3miss_stall_cpi - dmiss_l21_l31_stall_cpi - dmiss_lmem_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "dmiss_non_local_stall_cpi"
},
@@ -126,7 +126,7 @@
},
{
"BriefDescription": "Stalls due to short latency double precision ops.",
- "MetricExpr": "(PM_CMPLU_STALL_DP - PM_CMPLU_STALL_DPLONG)/PM_RUN_INST_CMPL",
+ "MetricExpr": "dp_stall_cpi - dplong_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "dp_other_stall_cpi"
},
@@ -155,7 +155,7 @@
"MetricName": "emq_full_stall_cpi"
},
{
- "MetricExpr": "(PM_CMPLU_STALL_ERAT_MISS + PM_CMPLU_STALL_EMQ_FULL)/PM_RUN_INST_CMPL",
+ "MetricExpr": "erat_miss_stall_cpi + emq_full_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "emq_stall_cpi"
},
@@ -173,7 +173,7 @@
},
{
"BriefDescription": "Completion stall due to execution units for other reasons.",
- "MetricExpr": "(PM_CMPLU_STALL_EXEC_UNIT - PM_CMPLU_STALL_FXU - PM_CMPLU_STALL_DP - PM_CMPLU_STALL_DFU - PM_CMPLU_STALL_PM - PM_CMPLU_STALL_CRYPTO - PM_CMPLU_STALL_VFXU - PM_CMPLU_STALL_VDP)/PM_RUN_INST_CMPL",
+ "MetricExpr": "exec_unit_stall_cpi - scalar_stall_cpi - vector_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "exec_unit_other_stall_cpi"
},
@@ -197,7 +197,7 @@
},
{
"BriefDescription": "Stalls due to short latency integer ops",
- "MetricExpr": "(PM_CMPLU_STALL_FXU - PM_CMPLU_STALL_FXLONG)/PM_RUN_INST_CMPL",
+ "MetricExpr": "fxu_stall_cpi - fxlong_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "fxu_other_stall_cpi"
},
@@ -221,7 +221,7 @@
},
{
"BriefDescription": "Instruction Completion Table 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",
+ "MetricExpr": "nothing_dispatched_cpi - ict_noslot_ic_miss_cpi - ict_noslot_br_mpred_icmiss_cpi - ict_noslot_br_mpred_cpi - ict_noslot_disp_held_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "ict_noslot_cyc_other_cpi"
},
@@ -245,7 +245,7 @@
},
{
"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",
+ "MetricExpr": "ict_noslot_disp_held_cpi - ict_noslot_disp_held_hb_full_cpi - ict_noslot_disp_held_sync_cpi - ict_noslot_disp_held_tbegin_cpi - ict_noslot_disp_held_issq_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "ict_noslot_disp_held_other_cpi"
},
@@ -263,7 +263,7 @@
},
{
"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",
+ "MetricExpr": "ict_noslot_ic_miss_cpi - ict_noslot_ic_l3_cpi - ict_noslot_ic_l3miss_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "ict_noslot_ic_l2_cpi"
},
@@ -286,7 +286,7 @@
"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",
+ "MetricExpr": "ntc_issue_held_darq_full_cpi + ntc_issue_held_arb_cpi + ntc_issue_held_other_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "issue_hold_cpi"
},
@@ -327,7 +327,7 @@
"MetricName": "lrq_other_stall_cpi"
},
{
- "MetricExpr": "(PM_CMPLU_STALL_LMQ_FULL + PM_CMPLU_STALL_ST_FWD + PM_CMPLU_STALL_LHS + PM_CMPLU_STALL_LSU_MFSPR + PM_CMPLU_STALL_LARX + PM_CMPLU_STALL_LRQ_OTHER)/PM_RUN_INST_CMPL",
+ "MetricExpr": "lmq_full_stall_cpi + st_fwd_stall_cpi + lhs_stall_cpi + lsu_mfspr_stall_cpi + larx_stall_cpi + lrq_other_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "lrq_stall_cpi"
},
@@ -338,7 +338,7 @@
"MetricName": "lsaq_arb_stall_cpi"
},
{
- "MetricExpr": "(PM_CMPLU_STALL_LRQ_FULL + PM_CMPLU_STALL_SRQ_FULL + PM_CMPLU_STALL_LSAQ_ARB)/PM_RUN_INST_CMPL",
+ "MetricExpr": "lrq_full_stall_cpi + srq_full_stall_cpi + lsaq_arb_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "lsaq_stall_cpi"
},
@@ -362,7 +362,7 @@
},
{
"BriefDescription": "Completion LSU stall for other reasons",
- "MetricExpr": "(PM_CMPLU_STALL_LSU - PM_CMPLU_STALL_LSU_FIN - PM_CMPLU_STALL_STORE_FINISH - PM_CMPLU_STALL_STORE_DATA - PM_CMPLU_STALL_EIEIO - PM_CMPLU_STALL_STCX - PM_CMPLU_STALL_SLB - PM_CMPLU_STALL_TEND - PM_CMPLU_STALL_PASTE - PM_CMPLU_STALL_TLBIE - PM_CMPLU_STALL_STORE_PIPE_ARB - PM_CMPLU_STALL_STORE_FIN_ARB - PM_CMPLU_STALL_LOAD_FINISH + PM_CMPLU_STALL_DCACHE_MISS - PM_CMPLU_STALL_LMQ_FULL - PM_CMPLU_STALL_ST_FWD - PM_CMPLU_STALL_LHS - PM_CMPLU_STALL_LSU_MFSPR - PM_CMPLU_STALL_LARX - PM_CMPLU_STALL_LRQ_OTHER + PM_CMPLU_STALL_ERAT_MISS + PM_CMPLU_STALL_EMQ_FULL - PM_CMPLU_STALL_LRQ_FULL - PM_CMPLU_STALL_SRQ_FULL - PM_CMPLU_STALL_LSAQ_ARB) / PM_RUN_INST_CMPL",
+ "MetricExpr": "lsu_stall_cpi - lsu_fin_stall_cpi - store_finish_stall_cpi - srq_stall_cpi - load_finish_stall_cpi + lsu_stall_dcache_miss_cpi - lrq_stall_cpi + emq_stall_cpi - lsaq_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "lsu_other_stall_cpi"
},
@@ -434,13 +434,13 @@
},
{
"BriefDescription": "Cycles unaccounted for.",
- "MetricExpr": "(PM_RUN_CYC - PM_1PLUS_PPC_CMPL - PM_CMPLU_STALL_THRD - PM_CMPLU_STALL - PM_ICT_NOSLOT_CYC)/PM_RUN_INST_CMPL",
+ "MetricExpr": "run_cpi - completion_cpi - thread_block_stall_cpi - stall_cpi - nothing_dispatched_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "other_cpi"
},
{
"BriefDescription": "Completion stall for other reasons",
- "MetricExpr": "(PM_CMPLU_STALL - PM_CMPLU_STALL_NTC_DISP_FIN - PM_CMPLU_STALL_NTC_FLUSH - PM_CMPLU_STALL_LSU - PM_CMPLU_STALL_EXEC_UNIT - PM_CMPLU_STALL_BRU)/PM_RUN_INST_CMPL",
+ "MetricExpr": "stall_cpi - ntc_disp_fin_stall_cpi - ntc_flush_stall_cpi - lsu_stall_cpi - exec_unit_stall_cpi - bru_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "other_stall_cpi"
},
@@ -469,7 +469,7 @@
"MetricName": "run_cyc_cpi"
},
{
- "MetricExpr": "(PM_CMPLU_STALL_FXU + PM_CMPLU_STALL_DP + PM_CMPLU_STALL_DFU + PM_CMPLU_STALL_PM + PM_CMPLU_STALL_CRYPTO)/PM_RUN_INST_CMPL",
+ "MetricExpr": "fxu_stall_cpi + dp_stall_cpi + dfu_stall_cpi + pm_stall_cpi + crypto_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "scalar_stall_cpi"
},
@@ -492,7 +492,7 @@
"MetricName": "srq_full_stall_cpi"
},
{
- "MetricExpr": "(PM_CMPLU_STALL_STORE_DATA + PM_CMPLU_STALL_EIEIO + PM_CMPLU_STALL_STCX + PM_CMPLU_STALL_SLB + PM_CMPLU_STALL_TEND + PM_CMPLU_STALL_PASTE + PM_CMPLU_STALL_TLBIE + PM_CMPLU_STALL_STORE_PIPE_ARB + PM_CMPLU_STALL_STORE_FIN_ARB)/PM_RUN_INST_CMPL",
+ "MetricExpr": "store_data_stall_cpi + eieio_stall_cpi + stcx_stall_cpi + slb_stall_cpi + tend_stall_cpi + paste_stall_cpi + tlbie_stall_cpi + store_pipe_arb_stall_cpi + store_fin_arb_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "srq_stall_cpi"
},
@@ -558,7 +558,7 @@
},
{
"BriefDescription": "Vector stalls due to small latency double precision ops",
- "MetricExpr": "(PM_CMPLU_STALL_VDP - PM_CMPLU_STALL_VDPLONG)/PM_RUN_INST_CMPL",
+ "MetricExpr": "vdp_stall_cpi - vdplong_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "vdp_other_stall_cpi"
},
@@ -575,7 +575,7 @@
"MetricName": "vdplong_stall_cpi"
},
{
- "MetricExpr": "(PM_CMPLU_STALL_VFXU + PM_CMPLU_STALL_VDP)/PM_RUN_INST_CMPL",
+ "MetricExpr": "vfxu_stall_cpi + vdp_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "vector_stall_cpi"
},
@@ -587,7 +587,7 @@
},
{
"BriefDescription": "Vector stalls due to small latency integer ops",
- "MetricExpr": "(PM_CMPLU_STALL_VFXU - PM_CMPLU_STALL_VFXLONG)/PM_RUN_INST_CMPL",
+ "MetricExpr": "vfxu_stall_cpi - vfxlong_stall_cpi",
"MetricGroup": "cpi_breakdown",
"MetricName": "vfxu_other_stall_cpi"
},
@@ -1844,7 +1844,7 @@
},
{
"BriefDescription": "% of DL1 reloads from Private L3, other core per Inst",
- "MetricExpr": "(PM_DATA_FROM_L31_MOD + PM_DATA_FROM_L31_SHR) * 100 / PM_RUN_INST_CMPL",
+ "MetricExpr": "dl1_reload_from_l31_mod_rate_percent + dl1_reload_from_l31_shr_rate_percent",
"MetricName": "dl1_reload_from_l31_rate_percent"
},
{
@@ -1979,7 +1979,7 @@
},
{
"BriefDescription": "Completion stall because a different thread was using the completion pipe",
- "MetricExpr": "(PM_CMPLU_STALL_THRD - PM_CMPLU_STALL_EXCEPTION - PM_CMPLU_STALL_ANY_SYNC - PM_CMPLU_STALL_SYNC_PMU_INT - PM_CMPLU_STALL_SPEC_FINISH - PM_CMPLU_STALL_FLUSH_ANY_THREAD - PM_CMPLU_STALL_LSU_FLUSH_NEXT - PM_CMPLU_STALL_NESTED_TBEGIN - PM_CMPLU_STALL_NESTED_TEND - PM_CMPLU_STALL_MTFPSCR)/PM_RUN_INST_CMPL",
+ "MetricExpr": "thread_block_stall_cpi - exception_stall_cpi - any_sync_stall_cpi - sync_pmu_int_stall_cpi - spec_finish_stall_cpi - flush_any_thread_stall_cpi - lsu_flush_next_stall_cpi - nested_tbegin_stall_cpi - nested_tend_stall_cpi - mtfpscr_stall_cpi",
"MetricName": "other_thread_cmpl_stall"
},
{
--
2.18.4
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