1 files changed, 70 insertions, 39 deletions

diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py
index e42efc16723e..7499a35bfadd 100755
--- a/tools/perf/pmu-events/jevents.py
+++ b/tools/perf/pmu-events/jevents.py
@@ -284,6 +284,7 @@ class JsonEvent:
           'hisi_sccl,hha': 'hisi_sccl,hha',
           'hisi_sccl,l3c': 'hisi_sccl,l3c',
           'imx8_ddr': 'imx8_ddr',
+          'imx9_ddr': 'imx9_ddr',
           'L3PMC': 'amd_l3',
           'DFPMC': 'amd_df',
           'UMCPMC': 'amd_umc',
@@ -291,6 +292,7 @@ class JsonEvent:
           'cpu_atom': 'cpu_atom',
           'ali_drw': 'ali_drw',
           'arm_cmn': 'arm_cmn',
+          'tool': 'tool',
       }
       return table[unit] if unit in table else f'uncore_{unit.lower()}'
 
@@ -428,8 +430,11 @@ class JsonEvent:
   def to_c_string(self, metric: bool) -> str:
     """Representation of the event as a C struct initializer."""
 
+    def fix_comment(s: str) -> str:
+        return s.replace('*/', r'\*\/')
+
     s = self.build_c_string(metric)
-    return f'{{ { _bcs.offsets[s] } }}, /* {s} */\n'
+    return f'{{ { _bcs.offsets[s] } }}, /* {fix_comment(s)} */\n'
 
 
 @lru_cache(maxsize=None)
@@ -459,12 +464,16 @@ def preprocess_arch_std_files(archpath: str) -> None:
   """Read in all architecture standard events."""
   global _arch_std_events
   for item in os.scandir(archpath):
-    if item.is_file() and item.name.endswith('.json'):
+    if not item.is_file() or not item.name.endswith('.json'):
+      continue
+    try:
       for event in read_json_events(item.path, topic=''):
         if event.name:
           _arch_std_events[event.name.lower()] = event
         if event.metric_name:
           _arch_std_events[event.metric_name.lower()] = event
+    except Exception as e:
+        raise RuntimeError(f'Failure processing \'{item.name}\' in \'{archpath}\'') from e
 
 
 def add_events_table_entries(item: os.DirEntry, topic: str) -> None:
@@ -502,8 +511,11 @@ def print_pending_events() -> None:
 
   first = True
   last_pmu = None
+  last_name = None
   pmus = set()
   for event in sorted(_pending_events, key=event_cmp_key):
+    if last_pmu and last_pmu == event.pmu:
+      assert event.name != last_name, f"Duplicate event: {last_pmu}/{last_name}/ in {_pending_events_tblname}"
     if event.pmu != last_pmu:
       if not first:
         _args.output_file.write('};\n')
@@ -515,6 +527,7 @@ def print_pending_events() -> None:
       pmus.add((event.pmu, pmu_name))
 
     _args.output_file.write(event.to_c_string(metric=False))
+    last_name = event.name
   _pending_events = []
 
   _args.output_file.write(f"""
@@ -630,14 +643,17 @@ def preprocess_one_file(parents: Sequence[str], item: os.DirEntry) -> None:
 
 def process_one_file(parents: Sequence[str], item: os.DirEntry) -> None:
   """Process a JSON file during the main walk."""
-  def is_leaf_dir(path: str) -> bool:
+  def is_leaf_dir_ignoring_sys(path: str) -> bool:
     for item in os.scandir(path):
-      if item.is_dir():
+      if item.is_dir() and item.name != 'sys':
         return False
     return True
 
-  # model directory, reset topic
-  if item.is_dir() and is_leaf_dir(item.path):
+  # Model directories are leaves (ignoring possible sys
+  # directories). The FTW will walk into the directory next. Flush
+  # pending events and metrics and update the table names for the new
+  # model directory.
+  if item.is_dir() and is_leaf_dir_ignoring_sys(item.path):
     print_pending_events()
     print_pending_metrics()
 
@@ -714,6 +730,17 @@ const struct pmu_events_map pmu_events_map[] = {
 \t}
 },
 """)
+    elif arch == 'common':
+      _args.output_file.write("""{
+\t.arch = "common",
+\t.cpuid = "common",
+\t.event_table = {
+\t\t.pmus = pmu_events__common,
+\t\t.num_pmus = ARRAY_SIZE(pmu_events__common),
+\t},
+\t.metric_table = {},
+},
+""")
     else:
       with open(f'{_args.starting_dir}/{arch}/mapfile.csv') as csvfile:
         table = csv.reader(csvfile)
@@ -905,7 +932,7 @@ static int pmu_events_table__find_event_pmu(const struct pmu_events_table *table
   do_call:
                 return fn ? fn(&pe, table, data) : 0;
         }
-        return -1000;
+        return PMU_EVENTS__NOT_FOUND;
 }
 
 int pmu_events_table__for_each_event(const struct pmu_events_table *table,
@@ -918,11 +945,11 @@ int pmu_events_table__for_each_event(const struct pmu_events_table *table,
                 const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
                 int ret;
 
-                if (pmu && !pmu__name_match(pmu, pmu_name))
+                if (pmu && !perf_pmu__name_wildcard_match(pmu, pmu_name))
                         continue;
 
                 ret = pmu_events_table__for_each_event_pmu(table, table_pmu, fn, data);
-                if (pmu || ret)
+                if (ret)
                         return ret;
         }
         return 0;
@@ -939,14 +966,14 @@ int pmu_events_table__find_event(const struct pmu_events_table *table,
                 const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
                 int ret;
 
-                if (!pmu__name_match(pmu, pmu_name))
+                if (!perf_pmu__name_wildcard_match(pmu, pmu_name))
                         continue;
 
                 ret = pmu_events_table__find_event_pmu(table, table_pmu, name, fn, data);
-                if (ret != -1000)
+                if (ret != PMU_EVENTS__NOT_FOUND)
                         return ret;
         }
-        return -1000;
+        return PMU_EVENTS__NOT_FOUND;
 }
 
 size_t pmu_events_table__num_events(const struct pmu_events_table *table,
@@ -958,7 +985,7 @@ size_t pmu_events_table__num_events(const struct pmu_events_table *table,
                 const struct pmu_table_entry *table_pmu = &table->pmus[i];
                 const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
 
-                if (pmu__name_match(pmu, pmu_name))
+                if (perf_pmu__name_wildcard_match(pmu, pmu_name))
                         count += table_pmu->num_entries;
         }
         return count;
@@ -999,11 +1026,11 @@ int pmu_metrics_table__for_each_metric(const struct pmu_metrics_table *table,
         return 0;
 }
 
-static const struct pmu_events_map *map_for_pmu(struct perf_pmu *pmu)
+static const struct pmu_events_map *map_for_cpu(struct perf_cpu cpu)
 {
         static struct {
                 const struct pmu_events_map *map;
-                struct perf_pmu *pmu;
+                struct perf_cpu cpu;
         } last_result;
         static struct {
                 const struct pmu_events_map *map;
@@ -1014,10 +1041,10 @@ static const struct pmu_events_map *map_for_pmu(struct perf_pmu *pmu)
         char *cpuid = NULL;
         size_t i;
 
-        if (has_last_result && last_result.pmu == pmu)
+        if (has_last_result && last_result.cpu.cpu == cpu.cpu)
                 return last_result.map;
 
-        cpuid = perf_pmu__getcpuid(pmu);
+        cpuid = get_cpuid_allow_env_override(cpu);
 
         /*
          * On some platforms which uses cpus map, cpuid can be NULL for
@@ -1048,12 +1075,21 @@ static const struct pmu_events_map *map_for_pmu(struct perf_pmu *pmu)
                has_last_map_search = true;
         }
 out_update_last_result:
-        last_result.pmu = pmu;
+        last_result.cpu = cpu;
         last_result.map = map;
         has_last_result = true;
         return map;
 }
 
+static const struct pmu_events_map *map_for_pmu(struct perf_pmu *pmu)
+{
+        struct perf_cpu cpu = {-1};
+
+        if (pmu)
+                cpu = perf_cpu_map__min(pmu->cpus);
+        return map_for_cpu(cpu);
+}
+
 const struct pmu_events_table *perf_pmu__find_events_table(struct perf_pmu *pmu)
 {
         const struct pmu_events_map *map = map_for_pmu(pmu);
@@ -1068,30 +1104,18 @@ const struct pmu_events_table *perf_pmu__find_events_table(struct perf_pmu *pmu)
                 const struct pmu_table_entry *table_pmu = &map->event_table.pmus[i];
                 const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
 
-                if (pmu__name_match(pmu, pmu_name))
+                if (perf_pmu__name_wildcard_match(pmu, pmu_name))
                          return &map->event_table;
         }
         return NULL;
 }
 
-const struct pmu_metrics_table *perf_pmu__find_metrics_table(struct perf_pmu *pmu)
+const struct pmu_metrics_table *pmu_metrics_table__find(void)
 {
-        const struct pmu_events_map *map = map_for_pmu(pmu);
-
-        if (!map)
-                return NULL;
-
-        if (!pmu)
-                return &map->metric_table;
+        struct perf_cpu cpu = {-1};
+        const struct pmu_events_map *map = map_for_cpu(cpu);
 
-        for (size_t i = 0; i < map->metric_table.num_pmus; i++) {
-                const struct pmu_table_entry *table_pmu = &map->metric_table.pmus[i];
-                const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
-
-                if (pmu__name_match(pmu, pmu_name))
-                           return &map->metric_table;
-        }
-        return NULL;
+        return map ? &map->metric_table : NULL;
 }
 
 const struct pmu_events_table *find_core_events_table(const char *arch, const char *cpuid)
@@ -1233,9 +1257,12 @@ def main() -> None:
         if len(parents) == _args.model.split(',')[0].count('/'):
           # We're testing the correct directory.
           item_path = '/'.join(parents) + ('/' if len(parents) > 0 else '') + item.name
-          if 'test' not in item_path and item_path not in _args.model.split(','):
+          if 'test' not in item_path and 'common' not in item_path and item_path not in _args.model.split(','):
             continue
-      action(parents, item)
+      try:
+        action(parents, item)
+      except Exception as e:
+        raise RuntimeError(f'Action failure for \'{item.name}\' in {parents}') from e
       if item.is_dir():
         ftw(item.path, parents + [item.name], action)
 
@@ -1255,6 +1282,10 @@ such as "arm/cortex-a34".''',
       'output_file', type=argparse.FileType('w', encoding='utf-8'), nargs='?', default=sys.stdout)
   _args = ap.parse_args()
 
+  _args.output_file.write(f"""
+/* SPDX-License-Identifier: GPL-2.0 */
+/* THIS FILE WAS AUTOGENERATED BY jevents.py arch={_args.arch} model={_args.model} ! */
+""")
   _args.output_file.write("""
 #include <pmu-events/pmu-events.h>
 #include "util/header.h"
@@ -1277,10 +1308,10 @@ struct pmu_table_entry {
   for item in os.scandir(_args.starting_dir):
     if not item.is_dir():
       continue
-    if item.name == _args.arch or _args.arch == 'all' or item.name == 'test':
+    if item.name == _args.arch or _args.arch == 'all' or item.name == 'test' or item.name == 'common':
       archs.append(item.name)
 
-  if len(archs) < 2:
+  if len(archs) < 2 and _args.arch != 'none':
     raise IOError(f'Missing architecture directory \'{_args.arch}\'')
 
   archs.sort()