This patchset added support of ITS PMU, and new version of MN PMU.
ITS PMU supports counting number and latency of interrupts by
category, and statistics of micro-ops of ITS.
The new version of MN PMU added cycles event, to be used for MN
metric computing.
Changes:
v3:
- Added check_filter callback to refuse new filtered events when there
are already filtered ones running as per Sashiko.
Link to v2: https://lore.kernel.org/all/20260612093812.1249049-1-wangyushan12@huawei.com/
Link to Sashiko review report: https://sashiko.dev/#/message/20260612093812.1249049-1-wangyushan12%40huawei.com
v2:
- Added int_en filter to tell if int_id is used, enabling filtering
interrupt with 0 int_id per Sashiko.
- Changed event format width to align with register width per Sashiko.
Link to v1: https://lore.kernel.org/all/20260423152959.1458563-1-wangyushan12@huawei.com/
Link to Sashiko review report: https://sashiko.dev/#/patchset/20260423152959.1458563-1-wangyushan12%40huawei.com
Yifan Wu (1):
drivers/perf: hisi: Add new function for HiSilicon MN PMU driver
Yushan Wang (1):
drivers/perf: hisi: Support uncore ITS PMU
Documentation/admin-guide/perf/hisi-pmu.rst | 13 +
drivers/perf/hisilicon/Makefile | 2 +-
drivers/perf/hisilicon/hisi_uncore_its_pmu.c | 393 +++++++++++++++++++
drivers/perf/hisilicon/hisi_uncore_mn_pmu.c | 63 ++-
4 files changed, 463 insertions(+), 8 deletions(-)
create mode 100644 drivers/perf/hisilicon/hisi_uncore_its_pmu.c
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2.33.0