diff options
| author | Stephane Eranian <eranian@google.com> | 2023-04-19 14:42:41 -0700 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2023-04-21 13:24:23 +0200 |
| commit | 743767d6f6b8f28228be181fe369657f7ecd1eb2 (patch) | |
| tree | cc258226e7b6352e009167d9f3ef8b37d559982e /arch/x86/events | |
| parent | 15def34e2635ab7e0e96f1bc32e1b69609f14942 (diff) | |
perf/x86/intel/uncore: Add events for Intel SPR IMC PMU
Add missing clockticks and cas_count_* events for Intel SapphireRapids IMC
PMU. These events are useful to measure memory bandwidth.
Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Link: https://lore.kernel.org/r/20230419214241.2310385-1-eranian@google.com
Diffstat (limited to 'arch/x86/events')
| -rw-r--r-- | arch/x86/events/intel/uncore_snbep.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index 7d1199554fe3..fa9b209a11fa 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -6068,6 +6068,17 @@ static struct intel_uncore_ops spr_uncore_mmio_ops = { .read_counter = uncore_mmio_read_counter, }; +static struct uncore_event_desc spr_uncore_imc_events[] = { + INTEL_UNCORE_EVENT_DESC(clockticks, "event=0x01,umask=0x00"), + INTEL_UNCORE_EVENT_DESC(cas_count_read, "event=0x05,umask=0xcf"), + INTEL_UNCORE_EVENT_DESC(cas_count_read.scale, "6.103515625e-5"), + INTEL_UNCORE_EVENT_DESC(cas_count_read.unit, "MiB"), + INTEL_UNCORE_EVENT_DESC(cas_count_write, "event=0x05,umask=0xf0"), + INTEL_UNCORE_EVENT_DESC(cas_count_write.scale, "6.103515625e-5"), + INTEL_UNCORE_EVENT_DESC(cas_count_write.unit, "MiB"), + { /* end: all zeroes */ }, +}; + static struct intel_uncore_type spr_uncore_imc = { SPR_UNCORE_COMMON_FORMAT(), .name = "imc", @@ -6075,6 +6086,7 @@ static struct intel_uncore_type spr_uncore_imc = { .fixed_ctr = SNR_IMC_MMIO_PMON_FIXED_CTR, .fixed_ctl = SNR_IMC_MMIO_PMON_FIXED_CTL, .ops = &spr_uncore_mmio_ops, + .event_descs = spr_uncore_imc_events, }; static void spr_uncore_pci_enable_event(struct intel_uncore_box *box, |