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perf/arm-cmn: Fix DVM node events

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The new DVM node events added in CMN-700 also apply to CMN S3; fix
the model encoding so that we can expose the aliases and handle
occupancy filtering on newer CMNs too.

Cc: stable@vger.kernel.org
Fixes: 0dc2f4963f ("perf/arm-cmn: Support CMN S3")
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Robin Murphy
2026-05-29 15:33:45 +01:00
committed by Will Deacon
parent 3ef020a3c9
commit 5936245125
1 changed files with 12 additions and 11 deletions
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23
drivers/perf/arm-cmn.c
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@@ -197,13 +197,14 @@
enum cmn_model {
CMN600 = 1,
CMN650 = 2,
CMN700 = 4,
CI700 = 8,
CI700 = 4,
CMN700 = 8,
CMNS3 = 16,
/* ...and then we can use bitmap tricks for commonality */
CMN_ANY = -1,
NOT_CMN600 = -2,
CMN_650ON = CMN650 | CMN700 | CMNS3,
CMN_700ON = ~(CMN700 - 1),
CMN_650ON = CMN_700ON | CMN650,
};
/* Actual part numbers and revision IDs defined by the hardware */
@@ -919,14 +920,14 @@ static struct attribute *arm_cmn_event_attrs[] = {
CMN_EVENT_DVM(NOT_CMN600, txsnp_stall, 0x0a),
CMN_EVENT_DVM(NOT_CMN600, trkfull, 0x0b),
CMN_EVENT_DVM_OCC(NOT_CMN600, trk_occupancy, 0x0c),
CMN_EVENT_DVM_OCC(CMN700, trk_occupancy_cxha, 0x0d),
CMN_EVENT_DVM_OCC(CMN700, trk_occupancy_pdn, 0x0e),
CMN_EVENT_DVM(CMN700, trk_alloc, 0x0f),
CMN_EVENT_DVM(CMN700, trk_cxha_alloc, 0x10),
CMN_EVENT_DVM(CMN700, trk_pdn_alloc, 0x11),
CMN_EVENT_DVM(CMN700, txsnp_stall_limit, 0x12),
CMN_EVENT_DVM(CMN700, rxsnp_stall_starv, 0x13),
CMN_EVENT_DVM(CMN700, txsnp_sync_stall_op, 0x14),
CMN_EVENT_DVM_OCC(CMN_700ON, trk_occupancy_cxha, 0x0d),
CMN_EVENT_DVM_OCC(CMN_700ON, trk_occupancy_pdn, 0x0e),
CMN_EVENT_DVM(CMN_700ON, trk_alloc, 0x0f),
CMN_EVENT_DVM(CMN_700ON, trk_cxha_alloc, 0x10),
CMN_EVENT_DVM(CMN_700ON, trk_pdn_alloc, 0x11),
CMN_EVENT_DVM(CMN_700ON, txsnp_stall_limit, 0x12),
CMN_EVENT_DVM(CMN_700ON, rxsnp_stall_starv, 0x13),
CMN_EVENT_DVM(CMN_700ON, txsnp_sync_stall_op, 0x14),
CMN_EVENT_HNF(CMN_ANY, cache_miss, 0x01),
CMN_EVENT_HNF(CMN_ANY, slc_sf_cache_access, 0x02),