diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py
index 0093c998cb6e..16f17d335f8e 100755
--- a/tools/perf/pmu-events/jevents.py
+++ b/tools/perf/pmu-events/jevents.py
@@ -23,6 +23,8 @@ _metric_tables = []
 _sys_metric_tables = []
 # Mapping between sys event table names and sys metric table names.
 _sys_event_table_to_metric_table_mapping = {}
+# List of regular PMU counter layout tables.
+_pmu_layouts_tables = []
 # Map from an event name to an architecture standard
 # JsonEvent. Architecture standard events are in json files in the top
 # f'{_args.starting_dir}/{_args.arch}' directory.
@@ -31,6 +33,9 @@ _arch_std_events = {}
 _pending_events = []
 # Name of events table to be written out
 _pending_events_tblname = None
+# PMU counter layout to write out when the table is closed
+_pending_pmu_counts = [] # Name of PMU counter layout table to be written out
+_pending_pmu_counts_tblname = None
 # Metrics to write out when the table is closed
 _pending_metrics = []
 # Name of metrics table to be written out
@@ -47,10 +52,17 @@ _json_event_attributes = [
     'event',
     # Short things in alphabetical order.
     'compat', 'deprecated', 'perpkg', 'unit',
+    # Counter this event could use
+    'counter',
     # Longer things (the last won't be iterated over during decompress).
     'long_desc'
 ]
 
+# Attributes that are in pmu_unit_layout.
+_json_layout_attributes = [
+    'pmu', 'desc', 'size', 'fixed_size'
+]
+
 # Attributes that are in pmu_metric rather than pmu_event.
 _json_metric_attributes = [
     'metric_name', 'metric_group', 'metric_expr', 'metric_threshold',
@@ -58,7 +70,9 @@ _json_metric_attributes = [
     'default_metricgroup_name', 'aggr_mode', 'event_grouping'
 ]
 # Attributes that are bools or enum int values, encoded as '0', '1',...
-_json_enum_attributes = ['aggr_mode', 'deprecated', 'event_grouping', 'perpkg']
+_json_enum_attributes = ['aggr_mode', 'deprecated', 'event_grouping', 'perpkg',
+    'size', 'fixed_size'
+]
 
 def removesuffix(s: str, suffix: str) -> str:
   """Remove the suffix from a string
@@ -316,6 +330,9 @@ class JsonEvent:
     if 'Errata' in jd:
       extra_desc += '  Spec update: ' + jd['Errata']
     self.pmu = unit_to_pmu(jd.get('Unit'))
+    self.counter = jd.get('Counter')
+    self.size = jd.get('Size')
+    self.fixed_size = jd.get('FixedSize')
     filter = jd.get('Filter')
     self.unit = jd.get('ScaleUnit')
     self.perpkg = jd.get('PerPkg')
@@ -386,8 +403,16 @@ class JsonEvent:
         s += f'\t{attr} = {value},\n'
     return s + '}'
 
-  def build_c_string(self, metric: bool) -> str:
+  def build_c_string(self, metric: bool, layout: bool = False) -> str:
     s = ''
+    if layout:
+      for attr in _json_layout_attributes:
+        x = getattr(self, attr)
+        if attr in _json_enum_attributes:
+          s += x if x else '0'
+        else:
+          s += f'{x}\\000' if x else '\\000'
+      return s
     for attr in _json_metric_attributes if metric else _json_event_attributes:
       x = getattr(self, attr)
       if metric and x and attr == 'metric_expr':
@@ -402,10 +427,10 @@ class JsonEvent:
         s += f'{x}\\000' if x else '\\000'
     return s
 
-  def to_c_string(self, metric: bool) -> str:
+  def to_c_string(self, metric: bool, layout: bool = False) -> str:
     """Representation of the event as a C struct initializer."""
 
-    s = self.build_c_string(metric)
+    s = self.build_c_string(metric, layout)
     return f'{{ { _bcs.offsets[s] } }}, /* {s} */\n'
 
 
@@ -442,6 +467,8 @@ def preprocess_arch_std_files(archpath: str) -> None:
           _arch_std_events[event.name.lower()] = event
         if event.metric_name:
           _arch_std_events[event.metric_name.lower()] = event
+        if event.size:
+          _arch_std_events[event.pmu.lower()] = event
 
 
 def add_events_table_entries(item: os.DirEntry, topic: str) -> None:
@@ -451,6 +478,8 @@ def add_events_table_entries(item: os.DirEntry, topic: str) -> None:
       _pending_events.append(e)
     if e.metric_name:
       _pending_metrics.append(e)
+    if e.size:
+      _pending_pmu_counts.append(e)
 
 
 def print_pending_events() -> None:
@@ -564,6 +593,33 @@ const struct pmu_table_entry {_pending_metrics_tblname}[] = {{
 """)
   _args.output_file.write('};\n\n')
 
+def print_pending_pmu_counts() -> None:
+
+  def pmu_counts_cmp_key(j: JsonEvent) -> Tuple[bool, str, str]:
+    def fix_none(s: Optional[str]) -> str:
+      if s is None:
+        return ''
+      return s
+
+    return (j.desc is not None, fix_none(j.pmu), fix_none(j.size))
+
+  global _pending_pmu_counts
+  if not _pending_pmu_counts:
+    return
+
+  global _pending_pmu_counts_tblname
+  global pmu_layouts_tables
+  _pmu_layouts_tables.append(_pending_pmu_counts_tblname)
+
+  _args.output_file.write(
+      f'static const struct compact_pmu_event {_pending_pmu_counts_tblname}[] = {{\n')
+
+  for pmu_layout in sorted(_pending_pmu_counts, key=pmu_counts_cmp_key):
+    _args.output_file.write(pmu_layout.to_c_string(metric=False, layout=True))
+    _pending_pmu_counts = []
+
+  _args.output_file.write('};\n\n')
+
 def get_topic(topic: str) -> str:
   if topic.endswith('metrics.json'):
     return 'metrics'
@@ -604,6 +660,8 @@ def preprocess_one_file(parents: Sequence[str], item: os.DirEntry) -> None:
     if event.metric_name:
       _bcs.add(pmu_name, metric=True)
       _bcs.add(event.build_c_string(metric=True), metric=True)
+    if event.size:
+      _bcs.add(event.build_c_string(metric=False, layout=True), metric=False)
 
 def process_one_file(parents: Sequence[str], item: os.DirEntry) -> None:
   """Process a JSON file during the main walk."""
@@ -617,11 +675,14 @@ def process_one_file(parents: Sequence[str], item: os.DirEntry) -> None:
   if item.is_dir() and is_leaf_dir(item.path):
     print_pending_events()
     print_pending_metrics()
+    print_pending_pmu_counts()
 
     global _pending_events_tblname
     _pending_events_tblname = file_name_to_table_name('pmu_events_', parents, item.name)
     global _pending_metrics_tblname
     _pending_metrics_tblname = file_name_to_table_name('pmu_metrics_', parents, item.name)
+    global _pending_pmu_counts_tblname
+    _pending_pmu_counts_tblname = file_name_to_table_name('pmu_layouts_', parents, item.name)
 
     if item.name == 'sys':
       _sys_event_table_to_metric_table_mapping[_pending_events_tblname] = _pending_metrics_tblname
@@ -655,6 +716,12 @@ struct pmu_metrics_table {
         uint32_t num_pmus;
 };
 
+/* Struct used to make the PMU counter layout table implementation opaque to callers. */
+struct pmu_layouts_table {
+        const struct compact_pmu_event *entries;
+        size_t length;
+};
+
 /*
  * Map a CPU to its table of PMU events. The CPU is identified by the
  * cpuid field, which is an arch-specific identifier for the CPU.
@@ -668,6 +735,7 @@ struct pmu_events_map {
         const char *cpuid;
         struct pmu_events_table event_table;
         struct pmu_metrics_table metric_table;
+        struct pmu_layouts_table layout_table;
 };
 
 /*
@@ -712,6 +780,12 @@ const struct pmu_events_map pmu_events_map[] = {
               metric_size = '0'
             if event_size == '0' and metric_size == '0':
               continue
+            layout_tblname = file_name_to_table_name('pmu_layouts_', [], row[2].replace('/', '_'))
+            if layout_tblname in _pmu_layouts_tables:
+              layout_size = f'ARRAY_SIZE({layout_tblname})'
+            else:
+              layout_tblname = 'NULL'
+              layout_size = '0'
             cpuid = row[0].replace('\\', '\\\\')
             _args.output_file.write(f"""{{
 \t.arch = "{arch}",
@@ -723,6 +797,10 @@ const struct pmu_events_map pmu_events_map[] = {
 \t.metric_table = {{
 \t\t.pmus = {metric_tblname},
 \t\t.num_pmus = {metric_size}
+\t}},
+\t.layout_table = {{
+\t\t.entries = {layout_tblname},
+\t\t.length = {layout_size}
 \t}}
 }},
 """)
@@ -733,6 +811,7 @@ const struct pmu_events_map pmu_events_map[] = {
 \t.cpuid = 0,
 \t.event_table = { 0, 0 },
 \t.metric_table = { 0, 0 },
+\t.layout_table = { 0, 0 },
 }
 };
 """)
@@ -821,6 +900,24 @@ static void decompress_metric(int offset, struct pmu_metric *pm)
       _args.output_file.write('\twhile (*p++);')
   _args.output_file.write("""}
 
+static void decompress_layout(int offset, struct pmu_layout *pm)
+{
+\tconst char *p = &big_c_string[offset];
+""")
+  for attr in _json_layout_attributes:
+    _args.output_file.write(f'\n\tpm->{attr} = ')
+    if attr in _json_enum_attributes:
+      _args.output_file.write("*p - '0';\n")
+    else:
+      _args.output_file.write("(*p == '\\0' ? NULL : p);\n")
+    if attr == _json_layout_attributes[-1]:
+      continue
+    if attr in _json_enum_attributes:
+      _args.output_file.write('\tp++;')
+    else:
+      _args.output_file.write('\twhile (*p++);')
+  _args.output_file.write("""}
+
 static int pmu_events_table__for_each_event_pmu(const struct pmu_events_table *table,
                                                 const struct pmu_table_entry *pmu,
                                                 pmu_event_iter_fn fn,
@@ -976,6 +1073,21 @@ int pmu_metrics_table__for_each_metric(const struct pmu_metrics_table *table,
         return 0;
 }
 
+int pmu_layouts_table__for_each_layout(const struct pmu_layouts_table *table,
+                                     pmu_layout_iter_fn fn,
+                                     void *data) {
+        for (size_t i = 0; i < table->length; i++) {
+                struct pmu_layout pm;
+                int ret;
+
+                decompress_layout(table->entries[i].offset, &pm);
+                ret = fn(&pm, data);
+                if (ret)
+                        return ret;
+        }
+        return 0;
+}
+
 static const struct pmu_events_map *map_for_pmu(struct perf_pmu *pmu)
 {
         static struct {
@@ -1071,6 +1183,33 @@ const struct pmu_metrics_table *perf_pmu__find_metrics_table(struct perf_pmu *pm
         return NULL;
 }
 
+const struct pmu_layouts_table *perf_pmu__find_layouts_table(struct perf_pmu *pmu)
+{
+        const struct pmu_layouts_table *table = NULL;
+        char *cpuid = perf_pmu__getcpuid(pmu);
+        int i;
+
+        /* on some platforms which uses cpus map, cpuid can be NULL for
+         * PMUs other than CORE PMUs.
+         */
+        if (!cpuid)
+                return NULL;
+
+        i = 0;
+        for (;;) {
+                const struct pmu_events_map *map = &pmu_events_map[i++];
+                if (!map->arch)
+                        break;
+
+                if (!strcmp_cpuid_str(map->cpuid, cpuid)) {
+                        table = &map->layout_table;
+                        break;
+                }
+        }
+        free(cpuid);
+        return table;
+}
+
 const struct pmu_events_table *find_core_events_table(const char *arch, const char *cpuid)
 {
         for (const struct pmu_events_map *tables = &pmu_events_map[0];
@@ -1092,6 +1231,16 @@ const struct pmu_metrics_table *find_core_metrics_table(const char *arch, const
         }
         return NULL;
 }
+const struct pmu_layouts_table *find_core_layouts_table(const char *arch, const char *cpuid)
+{
+        for (const struct pmu_events_map *tables = &pmu_events_map[0];
+             tables->arch;
+             tables++) {
+                if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid))
+                        return &tables->layout_table;
+        }
+        return NULL;
+}
 
 int pmu_for_each_core_event(pmu_event_iter_fn fn, void *data)
 {
@@ -1120,6 +1269,19 @@ int pmu_for_each_core_metric(pmu_metric_iter_fn fn, void *data)
         return 0;
 }
 
+int pmu_for_each_core_layout(pmu_layout_iter_fn fn, void *data)
+{
+        for (const struct pmu_events_map *tables = &pmu_events_map[0];
+             tables->arch;
+             tables++) {
+                int ret = pmu_layouts_table__for_each_layout(&tables->layout_table, fn, data);
+
+                if (ret)
+                        return ret;
+        }
+        return 0;
+}
+
 const struct pmu_events_table *find_sys_events_table(const char *name)
 {
         for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
@@ -1276,6 +1438,7 @@ struct pmu_table_entry {
     ftw(arch_path, [], process_one_file)
     print_pending_events()
     print_pending_metrics()
+    print_pending_pmu_counts()
 
   print_mapping_table(archs)
   print_system_mapping_table()
diff --git a/tools/perf/pmu-events/pmu-events.h b/tools/perf/pmu-events/pmu-events.h
index f5aa96f1685c..65e0c5dd8bb4 100644
--- a/tools/perf/pmu-events/pmu-events.h
+++ b/tools/perf/pmu-events/pmu-events.h
@@ -45,6 +45,7 @@ struct pmu_event {
 	const char *desc;
 	const char *topic;
 	const char *long_desc;
+	const char *counter;
 	const char *pmu;
 	const char *unit;
 	bool perpkg;
@@ -67,8 +68,16 @@ struct pmu_metric {
 	enum metric_event_groups event_grouping;
 };
 
+struct pmu_layout {
+	const char *pmu;
+	const char *desc;
+	int size;
+	int fixed_size;
+};
+
 struct pmu_events_table;
 struct pmu_metrics_table;
+struct pmu_layouts_table;
 
 typedef int (*pmu_event_iter_fn)(const struct pmu_event *pe,
 				 const struct pmu_events_table *table,
@@ -78,15 +87,20 @@ typedef int (*pmu_metric_iter_fn)(const struct pmu_metric *pm,
 				  const struct pmu_metrics_table *table,
 				  void *data);
 
+typedef int (*pmu_layout_iter_fn)(const struct pmu_layout *pm,
+				  void *data);
+
 int pmu_events_table__for_each_event(const struct pmu_events_table *table,
 				    struct perf_pmu *pmu,
 				    pmu_event_iter_fn fn,
 				    void *data);
 int pmu_events_table__find_event(const struct pmu_events_table *table,
-                                 struct perf_pmu *pmu,
-                                 const char *name,
-                                 pmu_event_iter_fn fn,
-				 void *data);
+				struct perf_pmu *pmu,
+				const char *name,
+				pmu_event_iter_fn fn,
+				void *data);
+int pmu_layouts_table__for_each_layout(const struct pmu_layouts_table *table, pmu_layout_iter_fn fn,
+				     void *data);
 size_t pmu_events_table__num_events(const struct pmu_events_table *table,
 				    struct perf_pmu *pmu);
 
@@ -95,10 +109,13 @@ int pmu_metrics_table__for_each_metric(const struct pmu_metrics_table *table, pm
 
 const struct pmu_events_table *perf_pmu__find_events_table(struct perf_pmu *pmu);
 const struct pmu_metrics_table *perf_pmu__find_metrics_table(struct perf_pmu *pmu);
+const struct pmu_layouts_table *perf_pmu__find_layouts_table(struct perf_pmu *pmu);
 const struct pmu_events_table *find_core_events_table(const char *arch, const char *cpuid);
 const struct pmu_metrics_table *find_core_metrics_table(const char *arch, const char *cpuid);
+const struct pmu_layouts_table *find_core_layouts_table(const char *arch, const char *cpuid);
 int pmu_for_each_core_event(pmu_event_iter_fn fn, void *data);
 int pmu_for_each_core_metric(pmu_metric_iter_fn fn, void *data);
+int pmu_for_each_core_layout(pmu_layout_iter_fn fn, void *data);
 
 const struct pmu_events_table *find_sys_events_table(const char *name);
 const struct pmu_metrics_table *find_sys_metrics_table(const char *name);
