Add stat for disk io event without event name

Author: David Bienvenu

src/trace_processor/importers/etw/disk_io_tracker.cc

@@ -18,14 +18,14 @@
 
 #include <optional>
 
-#include "perfetto/base/logging.h"
 #include "perfetto/protozero/field.h"
 #include "protos/perfetto/trace/etw/etw.pbzero.h"
 #include "protos/perfetto/trace/etw/etw_event.pbzero.h"
 #include "src/trace_processor/importers/common/args_tracker.h"
 #include "src/trace_processor/importers/common/process_tracker.h"
 #include "src/trace_processor/importers/common/slice_tracker.h"
 #include "src/trace_processor/importers/common/track_compressor.h"
+#include "src/trace_processor/importers/common/stats_tracker.h"
 
 namespace perfetto::trace_processor {
 
@@ -149,7 +149,7 @@ void DiskIoTracker::ParseDiskIo(int64_t timestamp,
 
   const char* event_type = GetEventTypeString(opcode);
   if (!event_type) {
-    PERFETTO_DLOG("Unable to convert disk io opcode %d to event_type", opcode);
+    context_->stats_tracker->IncrementStats(stats::missing_disk_io_event_name);
     return;
   }
 

src/trace_processor/storage/stats.h

@@ -138,6 +138,7 @@ namespace perfetto::trace_processor::stats {
   F(app_wakelock_unknown_id,              kSingle,  kError,    kAnalysis, Scope::kMachineAndTrace,      \
        "Interning ID not found. Should never happen."),                        \
   F(meminfo_unknown_keys,                 kSingle,  kError,    kAnalysis, Scope::kMachineAndTrace, ""), \
+  F(missing_disk_io_event_name,           kSingle,  kError,    kAnalysis, Scope::kMachineAndTrace, ""), \
   F(mismatched_sched_switch_tids,         kSingle,  kError,    kAnalysis, Scope::kMachineAndTrace, ""), \
   F(mm_unknown_type,                      kSingle,  kError,    kAnalysis, Scope::kMachineAndTrace, ""), \
   F(parse_trace_duration_ns,              kSingle,  kInfo,     kAnalysis, Scope::kGlobal, ""), \