diff --git a/CMakeLists.txt b/CMakeLists.txt
index 05c7a92..e0b0108 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -90,6 +90,8 @@
 add_library(velia-utils STATIC
     src/utils/alarms.cpp
     src/utils/alarms.h
+    src/utils/benchmark.cpp
+    src/utils/benchmark.h
     src/utils/exceptions.cpp
     src/utils/exceptions.h
     src/utils/exec.cpp
diff --git a/src/ietf-hardware/sysrepo/Sysrepo.cpp b/src/ietf-hardware/sysrepo/Sysrepo.cpp
index cd1af13..938350e 100644
--- a/src/ietf-hardware/sysrepo/Sysrepo.cpp
+++ b/src/ietf-hardware/sysrepo/Sysrepo.cpp
@@ -10,6 +10,7 @@
 #include <sysrepo-cpp/Connection.hpp>
 #include "Sysrepo.h"
 #include "utils/alarms.h"
+#include "utils/benchmark.h"
 #include "utils/log.h"
 #include "utils/sysrepo.h"
 
@@ -106,6 +107,7 @@
             });
 
         while (!m_quit) {
+            auto benchmark = std::make_optional<velia::utils::MeasureTime>("ietf-hardware/poll");
             m_log->trace("IetfHardware poll");
 
             auto [hwStateValues, thresholds, activeSensors, sideLoadedAlarms] = m_hwState->process();
@@ -232,6 +234,7 @@
             }
 
             prevValues = std::move(hwStateValues);
+            benchmark.reset();
             std::this_thread::sleep_for(m_pollInterval);
             }
     });
diff --git a/src/utils/alarms.cpp b/src/utils/alarms.cpp
index 2dee0bf..280004b 100644
--- a/src/utils/alarms.cpp
+++ b/src/utils/alarms.cpp
@@ -7,6 +7,7 @@
 #include <sysrepo-cpp/Enum.hpp>
 #include <spdlog/spdlog.h>
 #include "alarms.h"
+#include "utils/benchmark.h"
 #include "utils/libyang.h"
 #include "utils/sysrepo.h"
 
@@ -20,6 +21,7 @@
 namespace velia::alarms {
 void push(sysrepo::Session session, const std::string& alarmId, const std::string& resource, const std::string& severity, const std::string& text)
 {
+    WITH_TIME_MEASUREMENT{};
     auto inputNode = session.getContext().newPath(alarmRpc, std::nullopt);
 
     inputNode.newPath(alarmRpc + "/resource"s, resource);
@@ -34,6 +36,7 @@
 
 void pushInventory(sysrepo::Session session, const std::vector<AlarmInventoryEntry>& entries)
 {
+    WITH_TIME_MEASUREMENT{};
     utils::ScopedDatastoreSwitch s(session, sysrepo::Datastore::Operational);
 
     for (const auto& entry: entries) {
@@ -52,11 +55,13 @@
     }
 
     spdlog::get("main")->trace("alarms::pushInventory: {}", *session.getPendingChanges()->printStr(libyang::DataFormat::JSON, libyang::PrintFlags::WithSiblings));
+    WITH_TIME_MEASUREMENT{"pushInventory/applyChanges"};
     session.applyChanges();
 }
 
 void addResourcesToInventory(sysrepo::Session session, const std::map<std::string, std::vector<std::string>>& resourcesPerAlarm)
 {
+    WITH_TIME_MEASUREMENT{};
     utils::ScopedDatastoreSwitch s(session, sysrepo::Datastore::Operational);
 
     for (const auto& [alarmId, resources] : resourcesPerAlarm) {
@@ -67,6 +72,7 @@
         }
     }
     spdlog::get("main")->trace("alarms::addResourcesToInventory: {}", *session.getPendingChanges()->printStr(libyang::DataFormat::JSON, libyang::PrintFlags::WithSiblings));
+    WITH_TIME_MEASUREMENT{"addResourcesToInventory/applyChanges"};
     session.applyChanges();
 }
 
diff --git a/src/utils/benchmark.cpp b/src/utils/benchmark.cpp
new file mode 100644
index 0000000..0269a0a
--- /dev/null
+++ b/src/utils/benchmark.cpp
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2024 CESNET, https://photonics.cesnet.cz/
+ *
+ * Written by Jan Kundrát <jan.kundrat@cesnet.cz>
+*/
+
+#include "benchmark.h"
+#include <fmt/format.h>
+#include <spdlog/spdlog.h>
+
+using namespace std::literals;
+
+namespace velia::utils {
+    MeasureTime::MeasureTime(const std::source_location location)
+    : start(std::chrono::steady_clock::now())
+    , what(location.function_name())
+{
+    if (auto fn = location.function_name(); fn != ""sv) {
+        what = fn;
+    } else {
+        what = fmt::format("{}:{}:{}", location.file_name(), location.line(), location.column());
+    }
+}
+
+MeasureTime::MeasureTime(const std::string_view message)
+    : start(std::chrono::steady_clock::now())
+    , what(message)
+{
+}
+
+MeasureTime::~MeasureTime()
+{
+    auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::steady_clock::now() - start).count();
+    if (ms > 1'000) {
+        spdlog::warn("[PERFORMANCE][TOO_SLOW] {} {}ms", what, ms);
+    } else {
+        spdlog::trace("[PERFORMANCE]: {} {}ms", what, ms);
+    }
+}
+}
diff --git a/src/utils/benchmark.h b/src/utils/benchmark.h
new file mode 100644
index 0000000..b394120
--- /dev/null
+++ b/src/utils/benchmark.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2024 CESNET, https://photonics.cesnet.cz/
+ *
+ * Written by Jan Kundrát <jan.kundrat@cesnet.cz>
+*/
+
+#pragma once
+
+#include <chrono>
+#include <string_view>
+#include <source_location>
+
+namespace velia::utils {
+/** @short Log profiling information about how much time was spent in a given block */
+class MeasureTime {
+    std::chrono::time_point<std::chrono::steady_clock> start;
+    std::string what;
+public:
+    MeasureTime(const std::source_location location = std::source_location::current());
+    MeasureTime(const std::string_view message);
+    ~MeasureTime();
+};
+}
+#define VELIA_UTILS_PASTE_INNER(X, Y) X##Y
+#define VELIA_UTILS_PASTE(X, Y) VELIA_UTILS_PASTE_INNER(X, Y)
+#define WITH_TIME_MEASUREMENT ::velia::utils::MeasureTime VELIA_UTILS_PASTE(_benchmark_,  __LINE__)
diff --git a/src/utils/log-init.cpp b/src/utils/log-init.cpp
index 0b2f6cf..2493052 100644
--- a/src/utils/log-init.cpp
+++ b/src/utils/log-init.cpp
@@ -20,5 +20,6 @@
     for (const auto& name : {"main", "health", "hardware", "sysrepo", "system", "firewall"}) {
         spdlog::register_logger(std::make_shared<spdlog::logger>(name, sink));
     }
+    spdlog::set_default_logger(spdlog::get("main"));
 }
 }
diff --git a/src/utils/sysrepo.cpp b/src/utils/sysrepo.cpp
index 188f6a6..008c556 100644
--- a/src/utils/sysrepo.cpp
+++ b/src/utils/sysrepo.cpp
@@ -7,6 +7,7 @@
  */
 
 #include "sysrepo.h"
+#include "utils/benchmark.h"
 #include "utils/log.h"
 
 extern "C" {
@@ -118,6 +119,7 @@
 /** @brief Set or remove paths in Sysrepo's current datastore. */
 void valuesPush(const std::map<std::string, std::string>& values, const std::vector<std::string>& removePaths, const std::vector<std::string>& discardPaths, ::sysrepo::Session session)
 {
+    WITH_TIME_MEASUREMENT{};
     if (values.empty() && removePaths.empty() && discardPaths.empty()) return;
 
     std::optional<libyang::DataNode> edit;
@@ -126,6 +128,7 @@
     if (edit) {
         session.editBatch(*edit, sysrepo::DefaultOperation::Merge);
         spdlog::get("main")->trace("valuesPush: {}", *session.getPendingChanges()->printStr(libyang::DataFormat::JSON, libyang::PrintFlags::WithSiblings));
+        WITH_TIME_MEASUREMENT("valuesPush<map>/applyChanges");
         session.applyChanges();
     }
 }
@@ -140,6 +143,7 @@
 /** @brief Set or remove paths in Sysrepo's current datastore. */
 void valuesPush(const std::vector<YANGPair>& values, const std::vector<std::string>& removePaths, const std::vector<std::string>& discardPaths, sysrepo::Session session)
 {
+    WITH_TIME_MEASUREMENT{};
     if (values.empty() && removePaths.empty() && discardPaths.empty())
         return;
 
@@ -149,6 +153,7 @@
     if (edit) {
         session.editBatch(*edit, sysrepo::DefaultOperation::Merge);
         spdlog::get("main")->trace("valuesPush: {}", *session.getPendingChanges()->printStr(libyang::DataFormat::JSON, libyang::PrintFlags::WithSiblings));
+        WITH_TIME_MEASUREMENT("valuesPush<vector>/applyChanges");
         session.applyChanges();
     }
 }