diff --git a/arch/arm/src/stm32/stm32_start.c b/arch/arm/src/stm32/stm32_start.c
index 1bfefbaf1e..08b7d21f09 100644
--- a/arch/arm/src/stm32/stm32_start.c
+++ b/arch/arm/src/stm32/stm32_start.c
@@ -157,6 +157,10 @@ void __start(void)
 
   showprogress('C');
 
+#ifdef CONFIG_SCHED_IRQMONITOR
+  up_perf_init((void *)STM32_SYSCLK_FREQUENCY);
+#endif
+
 #ifdef CONFIG_ARMV7M_ITMSYSLOG
   /* Perform ARMv7-M ITM SYSLOG initialization */
 
diff --git a/arch/arm/src/stm32f0l0g0/stm32_start.c b/arch/arm/src/stm32f0l0g0/stm32_start.c
index 7cf308588f..f17b9867c1 100644
--- a/arch/arm/src/stm32f0l0g0/stm32_start.c
+++ b/arch/arm/src/stm32f0l0g0/stm32_start.c
@@ -115,6 +115,10 @@ void __start(void)
 
   showprogress('C');
 
+#ifdef CONFIG_SCHED_IRQMONITOR
+  up_perf_init((void *)STM32_SYSCLK_FREQUENCY);
+#endif
+
   /* Perform early serial initialization */
 
 #ifdef USE_EARLYSERIALINIT
diff --git a/arch/arm/src/stm32f7/stm32_start.c b/arch/arm/src/stm32f7/stm32_start.c
index d6a591d1b7..d3ea80f6fb 100644
--- a/arch/arm/src/stm32f7/stm32_start.c
+++ b/arch/arm/src/stm32f7/stm32_start.c
@@ -245,6 +245,10 @@ void __start(void)
   up_enable_dcache();
   showprogress('C');
 
+#ifdef CONFIG_SCHED_IRQMONITOR
+  up_perf_init((void *)STM32_SYSCLK_FREQUENCY);
+#endif
+
 #ifdef CONFIG_ARMV7M_ITMSYSLOG
   /* Perform ARMv7-M ITM SYSLOG initialization */
 
diff --git a/arch/arm/src/stm32h7/stm32_start.c b/arch/arm/src/stm32h7/stm32_start.c
index 4797117280..bdd64dde1a 100644
--- a/arch/arm/src/stm32h7/stm32_start.c
+++ b/arch/arm/src/stm32h7/stm32_start.c
@@ -246,6 +246,10 @@ void __start(void)
   up_enable_dcache();
   showprogress('C');
 
+#ifdef CONFIG_SCHED_IRQMONITOR
+  up_perf_init((void *)STM32_SYSCLK_FREQUENCY);
+#endif
+
   /* Perform early serial initialization */
 
 #ifdef USE_EARLYSERIALINIT
diff --git a/arch/arm/src/stm32l4/stm32l4_start.c b/arch/arm/src/stm32l4/stm32l4_start.c
index 5fbb65baf0..b6c22f66fb 100644
--- a/arch/arm/src/stm32l4/stm32l4_start.c
+++ b/arch/arm/src/stm32l4/stm32l4_start.c
@@ -179,6 +179,10 @@ void __start(void)
 
   showprogress('C');
 
+#ifdef CONFIG_SCHED_IRQMONITOR
+  up_perf_init((void *)STM32_SYSCLK_FREQUENCY);
+#endif
+
   /* Perform early serial initialization */
 
 #ifdef USE_EARLYSERIALINIT
diff --git a/arch/arm/src/stm32l5/stm32l5_start.c b/arch/arm/src/stm32l5/stm32l5_start.c
index 9b93674366..d7076ae75c 100644
--- a/arch/arm/src/stm32l5/stm32l5_start.c
+++ b/arch/arm/src/stm32l5/stm32l5_start.c
@@ -181,6 +181,10 @@ void __start(void)
 
   showprogress('C');
 
+#ifdef CONFIG_SCHED_IRQMONITOR
+  up_perf_init((void *)STM32_SYSCLK_FREQUENCY);
+#endif
+
   /* Perform early serial initialization */
 
 #ifdef USE_EARLYSERIALINIT
diff --git a/arch/arm/src/stm32u5/stm32_start.c b/arch/arm/src/stm32u5/stm32_start.c
index 27688e6cf7..95594a740e 100644
--- a/arch/arm/src/stm32u5/stm32_start.c
+++ b/arch/arm/src/stm32u5/stm32_start.c
@@ -181,6 +181,10 @@ void __start(void)
 
   showprogress('C');
 
+#ifdef CONFIG_SCHED_IRQMONITOR
+  up_perf_init((void *)STM32_SYSCLK_FREQUENCY);
+#endif
+
   /* Perform early serial initialization */
 
 #ifdef USE_EARLYSERIALINIT
diff --git a/arch/arm/src/stm32wb/stm32wb_start.c b/arch/arm/src/stm32wb/stm32wb_start.c
index 4e7e3cb083..c144f9f54b 100644
--- a/arch/arm/src/stm32wb/stm32wb_start.c
+++ b/arch/arm/src/stm32wb/stm32wb_start.c
@@ -199,6 +199,10 @@ void __start(void)
 
   showprogress('C');
 
+#ifdef CONFIG_SCHED_IRQMONITOR
+  up_perf_init((void *)STM32_SYSCLK_FREQUENCY);
+#endif
+
   /* Perform early serial initialization */
 
 #ifdef USE_EARLYSERIALINIT
diff --git a/arch/arm/src/stm32wl5/stm32wl5_start.c b/arch/arm/src/stm32wl5/stm32wl5_start.c
index 8b222bef0e..41df15e860 100644
--- a/arch/arm/src/stm32wl5/stm32wl5_start.c
+++ b/arch/arm/src/stm32wl5/stm32wl5_start.c
@@ -183,6 +183,10 @@ void __start(void)
 
   showprogress('C');
 
+#ifdef CONFIG_SCHED_IRQMONITOR
+  up_perf_init((void *)STM32_SYSCLK_FREQUENCY);
+#endif
+
   /* Perform early serial initialization */
 
 #ifdef USE_EARLYSERIALINIT