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| author | Thomas Richter <[email protected]> | 2023-03-13 08:01:58 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2023-03-14 21:35:48 +0000 |
| commit | bdecfecac8aba6ca5e2fde8f09b4fba1d1326997 (patch) | |
| tree | 6a08bdadb8d5fb0c86b07121e6907a4955525fb6 /tools/perf/util/trace-event-scripting.c | |
| parent | perf vendor events intel: Update skylake events (diff) | |
| download | kernel-bdecfecac8aba6ca5e2fde8f09b4fba1d1326997.tar.gz kernel-bdecfecac8aba6ca5e2fde8f09b4fba1d1326997.zip | |
perf vendor events s390: Add cache metrics for z15
Add metrics for s390 z15
- 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
Outpuf after:
# ./perf stat -M l4rp -- find /
.... find output deleted
Performance counter stats for 'find /':
5 L1I_OFFDRAWER_L4_SOURCED_WRITES # 0.01 l4rp
187 L1D_OFFDRAWER_L4_SOURCED_WRITES
0 L1I_OFFDRAWER_L3_SOURCED_WRITES
231,333,165 L1I_DIR_WRITES
3,303 L1D_OFFDRAWER_L3_SOURCED_WRITES
47,461 L1D_OFFDRAWER_L3_SOURCED_WRITES_IV
0 L1I_OFFDRAWER_L3_SOURCED_WRITES_IV
126,706,244 L1D_DIR_WRITES
27.870355461 seconds time elapsed
0.521562000 seconds user
12.494503000 seconds sys
#
Signed-off-by: Thomas Richter <[email protected]>
Acked-By: Sumanth Korikkar <[email protected]>
Acked-by: Ian Rogers <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Sven Schnelle <[email protected]>
Cc: Vasily Gorbik <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/perf/util/trace-event-scripting.c')
0 files changed, 0 insertions, 0 deletions