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| H A D | transaction.json | f8a6cea4 Mon Mar 13 03:01:57 CDT 2023 Thomas Richter <tmricht@linux.ibm.com> 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>
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