[+] statistics counters

ydb/core/persqueue/sli_duration_counter.cpp

@@ -0,0 +1,21 @@
+#include "sli_duration_counter.h"
+
+#include <ydb/core/base/appdata_fwd.h>
+#include <ydb/core/base/counters.h>
+
+namespace NKikimr::NPQ {
+
+TPercentileCounter CreateSLIDurationCounter(const NActors::TActorContext& ctx,
+                                            const TString& name,
+                                            const TVector<ui32>& durations,
+                                            const TString& account,
+                                            ui32 border)
+{
+    return CreateSLIDurationCounter(GetServiceCounters(AppData(ctx)->Counters, "pqproxy|SLI"),
+                                    TVector<NPersQueue::TPQLabelsInfo>{{{{"Account", account}}, {"total"}}},
+                                    name,
+                                    border,
+                                    durations);
+}
+
+}

ydb/core/persqueue/sli_duration_counter.h

@@ -0,0 +1,24 @@
+#pragma once
+
+#include "percentile_counter.h"
+
+#include <ydb/library/actors/core/actor.h>
+
+#include <util/generic/string.h>
+#include <util/generic/vector.h>
+#include <util/system/types.h>
+
+namespace NKikimr::NPQ {
+
+TPercentileCounter CreateSLIDurationCounter(const NActors::TActorContext& ctx,
+                                            const TString& name,
+                                            const TVector<ui32>& durations,
+                                            const TString& account,
+                                            ui32 border);
+
+inline
+ui64 ToMilliSeconds(TDuration d) {
+    return d.MilliSeconds();
+}
+
+}