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| author | Thomas Richter <tmricht@linux.ibm.com> | 2023-03-13 11:01:57 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-03-13 23:42:27 +0300 |
| commit | f8a6cea4839bc8c76804b301dbb5522a6cacf6d5 (patch) | |
| tree | 14b0730f40e12709b90c22a11fddab16b36ba9b4 /tools/perf/pmu-events/arch/s390 | |
| parent | 74395567a3011a07f51cf959be96c1eecb3e6df8 (diff) | |
| download | linux-f8a6cea4839bc8c76804b301dbb5522a6cacf6d5.tar.xz | |
perf vendor events s390: Add cache metrics for z16
Add metrics for s390 z16
- Percentage sourced from Level 2 cache
- Percentage sourced from Level 3 on same chip cache
- Percentage sourced from Level 4 Local cache on same book
- Percentage sourced from Level 4 Remote cache on different book
- Percentage sourced from memory
For details about the formulas see this documentation:
https://www.ibm.com/support/pages/system/files/inline-files/CPU%20MF%20Formulas%20including%20z16%20-%20May%202022_1.pdf
Output after:
# ./perf stat -M l4rp -- dd if=/dev/zero of=/dev/null bs=10M count=10K
.... dd output deleted
Performance counter stats for 'dd if=/dev/zero of=/dev/null bs=10M count=10K':
0 IDCW_OFF_DRAWER_CHIP_HIT # 0.00 l4rp
431,866 L1I_DIR_WRITES
2,395 IDCW_OFF_DRAWER_IV
0 ICW_OFF_DRAWER
0 IDCW_OFF_DRAWER_DRAWER_HIT
1,437 DCW_OFF_DRAWER
425,960,793 L1D_DIR_WRITES
12.165030699 seconds time elapsed
0.001037000 seconds user
12.162140000 seconds sys
#
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Acked-By: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Link: https://lore.kernel.org/r/20230313080201.2440201-1-tmricht@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/pmu-events/arch/s390')
| -rw-r--r-- | tools/perf/pmu-events/arch/s390/cf_z16/transaction.json | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/perf/pmu-events/arch/s390/cf_z16/transaction.json b/tools/perf/pmu-events/arch/s390/cf_z16/transaction.json index 86bf83b4504e..dde0735a7d22 100644 --- a/tools/perf/pmu-events/arch/s390/cf_z16/transaction.json +++ b/tools/perf/pmu-events/arch/s390/cf_z16/transaction.json @@ -18,5 +18,30 @@ "BriefDescription": "Level One Miss per 100 Instructions", "MetricName": "l1mp", "MetricExpr": "((L1I_DIR_WRITES + L1D_DIR_WRITES) / INSTRUCTIONS) * 100" + }, + { + "BriefDescription": "Percentage sourced from Level 2 cache", + "MetricName": "l2p", + "MetricExpr": "((DCW_REQ + DCW_REQ_IV + ICW_REQ + ICW_REQ_IV) / (L1I_DIR_WRITES + L1D_DIR_WRITES)) * 100" + }, + { + "BriefDescription": "Percentage sourced from Level 3 on same chip cache", + "MetricName": "l3p", + "MetricExpr": "((DCW_REQ_CHIP_HIT + DCW_ON_CHIP + DCW_ON_CHIP_IV + DCW_ON_CHIP_CHIP_HIT + ICW_REQ_CHIP_HIT + ICW_ON_CHIP + ICW_ON_CHIP_IV + ICW_ON_CHIP_CHIP_HIT) / (L1I_DIR_WRITES + L1D_DIR_WRITES)) * 100" + }, + { + "BriefDescription": "Percentage sourced from Level 4 Local cache on same book", + "MetricName": "l4lp", + "MetricExpr": "((DCW_REQ_DRAWER_HIT + DCW_ON_CHIP_DRAWER_HIT + DCW_ON_MODULE + DCW_ON_DRAWER + IDCW_ON_MODULE_IV + IDCW_ON_MODULE_CHIP_HIT + IDCW_ON_MODULE_DRAWER_HIT + IDCW_ON_DRAWER_IV + IDCW_ON_DRAWER_CHIP_HIT + IDCW_ON_DRAWER_DRAWER_HIT + ICW_REQ_DRAWER_HIT + ICW_ON_CHIP_DRAWER_HIT + ICW_ON_MODULE + ICW_ON_DRAWER) / (L1I_DIR_WRITES + L1D_DIR_WRITES)) * 100" + }, + { + "BriefDescription": "Percentage sourced from Level 4 Remote cache on different book", + "MetricName": "l4rp", + "MetricExpr": "((DCW_OFF_DRAWER + IDCW_OFF_DRAWER_IV + IDCW_OFF_DRAWER_CHIP_HIT + IDCW_OFF_DRAWER_DRAWER_HIT + ICW_OFF_DRAWER) / (L1I_DIR_WRITES + L1D_DIR_WRITES)) * 100" + }, + { + "BriefDescription": "Percentage sourced from memory", + "MetricName": "memp", + "MetricExpr": "((DCW_ON_CHIP_MEMORY + DCW_ON_MODULE_MEMORY + DCW_ON_DRAWER_MEMORY + DCW_OFF_DRAWER_MEMORY + ICW_ON_CHIP_MEMORY + ICW_ON_MODULE_MEMORY + ICW_ON_DRAWER_MEMORY + ICW_OFF_DRAWER_MEMORY) / (L1I_DIR_WRITES + L1D_DIR_WRITES)) * 100" } ] |