add histogram support to YT sensor owner and add duration histogram to ext request

2 files changed, 4 insertions, 4 deletions

diff --git a/yt/yt/library/profiling/sensor.cpp b/yt/yt/library/profiling/sensor.cpp
index 006207771a2..df47f260b58 100644
--- a/yt/yt/library/profiling/sensor.cpp
+++ b/yt/yt/library/profiling/sensor.cpp
@@ -141,7 +141,7 @@ TDuration TEventTimerGuard::GetElapsedTime() const
 
 ////////////////////////////////////////////////////////////////////////////////
 
-void TGaugeHistogram::Add(double value, int count) noexcept
+void TGaugeHistogram::Add(double value, int count) const noexcept
 {
     if (!Histogram_) {
         return;
@@ -150,7 +150,7 @@ void TGaugeHistogram::Add(double value, int count) noexcept
     Histogram_->Add(value, count);
 }
 
-void TGaugeHistogram::Remove(double value, int count) noexcept
+void TGaugeHistogram::Remove(double value, int count) const noexcept
 {
     if (!Histogram_) {
         return;
diff --git a/yt/yt/library/profiling/sensor.h b/yt/yt/library/profiling/sensor.h
index d832e25ff1f..196f76404a3 100644
--- a/yt/yt/library/profiling/sensor.h
+++ b/yt/yt/library/profiling/sensor.h
@@ -138,8 +138,8 @@ private:
 class TGaugeHistogram
 {
 public:
-    void Add(double value, int count = 1) noexcept;
-    void Remove(double value, int count = 1) noexcept;
+    void Add(double value, int count = 1) const noexcept;
+    void Remove(double value, int count = 1) const noexcept;
     void Reset() noexcept;
 
     THistogramSnapshot GetSnapshot() const;