diff --git a/scripts/create_perf_json.py b/scripts/create_perf_json.py
index 955eb21d..bc5f1c22 100644
--- a/scripts/create_perf_json.py
+++ b/scripts/create_perf_json.py
@@ -1365,6 +1365,18 @@ def append_to_desc(s: str):
                     'tma_split_stores': nmi,
                     'tma_store_fwd_blk': nmi,
                 }
+                # Alderlake/sapphirerapids add topdown l2 events
+                # meaning fewer events and triggering NMI issues.
+                alderlake_constraints = {
+                    # Metrics with more events than counters.
+                    'tma_info_system_mem_read_latency': no_group,
+                    'tma_info_system_mem_request_latency': no_group,
+                    # Metrics that would fit were the NMI watchdog disabled.
+                    'tma_ports_utilized_2': nmi,
+                    'tma_ports_utilized_3m': nmi,
+                    'tma_memory_fence': nmi,
+                    'tma_slow_pause': nmi,
+                }
                 errata_constraints = {
                     # 4 programmable, 3 fixed counters per HT
                     'JKT': sandybridge_constraints,
@@ -1391,10 +1403,11 @@ def append_to_desc(s: str):
                     'ICX': icelake_constraints,
                     'RKL': icelake_constraints,
                     'TGL': icelake_constraints,
-                    'ADL': icelake_constraints,
-                    'ADLN': icelake_constraints,
-                    'RPL': icelake_constraints,
-                    'SPR': icelake_constraints,
+                    # As above but l2 topdown counters
+                    'ADL': alderlake_constraints,
+                    'ADLN': alderlake_constraints,
+                    'RPL': alderlake_constraints,
+                    'SPR': alderlake_constraints,
                 }
                 if name in errata_constraints[self.shortname]:
                     j['MetricConstraint'] = errata_constraints[self.shortname][name]