diff --git a/src/libcamera/software_isp/debayer_cpu.cpp b/src/libcamera/software_isp/debayer_cpu.cpp
index bfa60888..9010333e 100644
--- a/src/libcamera/software_isp/debayer_cpu.cpp
+++ b/src/libcamera/software_isp/debayer_cpu.cpp
@@ -655,7 +655,7 @@ void DebayerCpu::memcpyNextLine(const uint8_t *linePointers[])
 	lineBufferIndex_ = (lineBufferIndex_ + 1) % (patternHeight + 1);
 }
 
-void DebayerCpu::process2(const uint8_t *src, uint8_t *dst)
+void DebayerCpu::process2(uint32_t frame, const uint8_t *src, uint8_t *dst)
 {
 	unsigned int yEnd = window_.y + window_.height;
 	/* Holds [0] previous- [1] current- [2] next-line */
@@ -681,7 +681,8 @@ void DebayerCpu::process2(const uint8_t *src, uint8_t *dst)
 	for (unsigned int y = window_.y; y < yEnd; y += 2) {
 		shiftLinePointers(linePointers, src);
 		memcpyNextLine(linePointers);
-		stats_->processLine0(y, linePointers);
+		if (frame % SwStatsCpu::kStatPerNumFrames == 0)
+			stats_->processLine0(y, linePointers);
 		(this->*debayer0_)(dst, linePointers);
 		src += inputConfig_.stride;
 		dst += outputConfig_.stride;
@@ -696,7 +697,8 @@ void DebayerCpu::process2(const uint8_t *src, uint8_t *dst)
 	if (window_.y == 0) {
 		shiftLinePointers(linePointers, src);
 		memcpyNextLine(linePointers);
-		stats_->processLine0(yEnd, linePointers);
+		if (frame % SwStatsCpu::kStatPerNumFrames == 0)
+			stats_->processLine0(yEnd, linePointers);
 		(this->*debayer0_)(dst, linePointers);
 		src += inputConfig_.stride;
 		dst += outputConfig_.stride;
@@ -710,7 +712,7 @@ void DebayerCpu::process2(const uint8_t *src, uint8_t *dst)
 	}
 }
 
-void DebayerCpu::process4(const uint8_t *src, uint8_t *dst)
+void DebayerCpu::process4(uint32_t frame, const uint8_t *src, uint8_t *dst)
 {
 	const unsigned int yEnd = window_.y + window_.height;
 	/*
@@ -733,7 +735,8 @@ void DebayerCpu::process4(const uint8_t *src, uint8_t *dst)
 	for (unsigned int y = window_.y; y < yEnd; y += 4) {
 		shiftLinePointers(linePointers, src);
 		memcpyNextLine(linePointers);
-		stats_->processLine0(y, linePointers);
+		if (frame % SwStatsCpu::kStatPerNumFrames == 0)
+			stats_->processLine0(y, linePointers);
 		(this->*debayer0_)(dst, linePointers);
 		src += inputConfig_.stride;
 		dst += outputConfig_.stride;
@@ -746,7 +749,8 @@ void DebayerCpu::process4(const uint8_t *src, uint8_t *dst)
 
 		shiftLinePointers(linePointers, src);
 		memcpyNextLine(linePointers);
-		stats_->processLine2(y, linePointers);
+		if (frame % SwStatsCpu::kStatPerNumFrames == 0)
+			stats_->processLine2(y, linePointers);
 		(this->*debayer2_)(dst, linePointers);
 		src += inputConfig_.stride;
 		dst += outputConfig_.stride;
@@ -821,12 +825,13 @@ void DebayerCpu::process(uint32_t frame, FrameBuffer *input, FrameBuffer *output
 		return;
 	}
 
-	stats_->startFrame();
+	if (frame % SwStatsCpu::kStatPerNumFrames == 0)
+		stats_->startFrame();
 
 	if (inputConfig_.patternSize.height == 2)
-		process2(in.planes()[0].data(), out.planes()[0].data());
+		process2(frame, in.planes()[0].data(), out.planes()[0].data());
 	else
-		process4(in.planes()[0].data(), out.planes()[0].data());
+		process4(frame, in.planes()[0].data(), out.planes()[0].data());
 
 	metadata.planes()[0].bytesused = out.planes()[0].size();
 
@@ -851,7 +856,7 @@ void DebayerCpu::process(uint32_t frame, FrameBuffer *input, FrameBuffer *output
 	 *
 	 * \todo Pass real bufferId once stats buffer passing is changed.
 	 */
-	stats_->finishFrame(frame, 0, true);
+	stats_->finishFrame(frame, 0, frame % SwStatsCpu::kStatPerNumFrames == 0);
 	outputBufferReady.emit(output);
 	inputBufferReady.emit(input);
 }
diff --git a/src/libcamera/software_isp/debayer_cpu.h b/src/libcamera/software_isp/debayer_cpu.h
index 9d343e46..03e0d784 100644
--- a/src/libcamera/software_isp/debayer_cpu.h
+++ b/src/libcamera/software_isp/debayer_cpu.h
@@ -133,8 +133,8 @@ private:
 	void setupInputMemcpy(const uint8_t *linePointers[]);
 	void shiftLinePointers(const uint8_t *linePointers[], const uint8_t *src);
 	void memcpyNextLine(const uint8_t *linePointers[]);
-	void process2(const uint8_t *src, uint8_t *dst);
-	void process4(const uint8_t *src, uint8_t *dst);
+	void process2(uint32_t frame, const uint8_t *src, uint8_t *dst);
+	void process4(uint32_t frame, const uint8_t *src, uint8_t *dst);
 
 	/* Max. supported Bayer pattern height is 4, debayering this requires 5 lines */
 	static constexpr unsigned int kMaxLineBuffers = 5;
diff --git a/src/libcamera/software_isp/swstats_cpu.cpp b/src/libcamera/software_isp/swstats_cpu.cpp
index da91f912..35ba0a46 100644
--- a/src/libcamera/software_isp/swstats_cpu.cpp
+++ b/src/libcamera/software_isp/swstats_cpu.cpp
@@ -89,6 +89,11 @@ namespace libcamera {
  * \brief Signals that the statistics are ready
  */
 
+/**
+ * \var SwStatsCpu::kStatPerNumFrames
+ * \brief Run stats once every kStatPerNumFrames frames
+ */
+
 /**
  * \typedef SwStatsCpu::statsProcessFn
  * \brief Called when there is data to get statistics from
diff --git a/src/libcamera/software_isp/swstats_cpu.h b/src/libcamera/software_isp/swstats_cpu.h
index 6ac3c4de..ea0e6d5a 100644
--- a/src/libcamera/software_isp/swstats_cpu.h
+++ b/src/libcamera/software_isp/swstats_cpu.h
@@ -32,6 +32,9 @@ public:
 	SwStatsCpu();
 	~SwStatsCpu() = default;
 
+	/* Run stats once every 4 frames */
+	static constexpr uint32_t kStatPerNumFrames = 4;
+
 	bool isValid() const { return sharedStats_.fd().isValid(); }
 
 	const SharedFD &getStatsFD() { return sharedStats_.fd(); }