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-rw-r--r--include/linux/ftrace_irq.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/include/linux/ftrace_irq.h b/include/linux/ftrace_irq.h
new file mode 100644
index 000000000..f6faa3128
--- /dev/null
+++ b/include/linux/ftrace_irq.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_FTRACE_IRQ_H
+#define _LINUX_FTRACE_IRQ_H
+
+#ifdef CONFIG_HWLAT_TRACER
+extern bool trace_hwlat_callback_enabled;
+extern void trace_hwlat_callback(bool enter);
+#endif
+
+#ifdef CONFIG_OSNOISE_TRACER
+extern bool trace_osnoise_callback_enabled;
+extern void trace_osnoise_callback(bool enter);
+#endif
+
+static inline void ftrace_nmi_enter(void)
+{
+#ifdef CONFIG_HWLAT_TRACER
+ if (trace_hwlat_callback_enabled)
+ trace_hwlat_callback(true);
+#endif
+#ifdef CONFIG_OSNOISE_TRACER
+ if (trace_osnoise_callback_enabled)
+ trace_osnoise_callback(true);
+#endif
+}
+
+static inline void ftrace_nmi_exit(void)
+{
+#ifdef CONFIG_HWLAT_TRACER
+ if (trace_hwlat_callback_enabled)
+ trace_hwlat_callback(false);
+#endif
+#ifdef CONFIG_OSNOISE_TRACER
+ if (trace_osnoise_callback_enabled)
+ trace_osnoise_callback(false);
+#endif
+}
+
+#endif /* _LINUX_FTRACE_IRQ_H */