Add preemptirq instrumentation

[lttng-modules.git] / instrumentation / events / lttng-module / preemptirq.h

diff --git a/instrumentation/events/lttng-module/preemptirq.h b/instrumentation/events/lttng-module/preemptirq.h
new file mode 100644 (file)
index 0000000..ec4570c
--- /dev/null
+++ b/instrumentation/events/lttng-module/preemptirq.h
@@ -0,0 +1,72 @@
+#ifdef CONFIG_PREEMPTIRQ_EVENTS
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM preemptirq
+
+#if !defined(LTTNG_TRACE_PREEMPTIRQ_H) || defined(TRACE_HEADER_MULTI_READ)
+#define LTTNG_TRACE_PREEMPTIRQ_H
+
+#include <linux/ktime.h>
+#include <linux/string.h>
+#include <asm/sections.h>
+#include <probes/lttng-tracepoint-event.h>
+
+
+LTTNG_TRACEPOINT_EVENT_CLASS(preemptirq_template,
+
+       TP_PROTO(unsigned long ip, unsigned long parent_ip),
+
+       TP_ARGS(ip, parent_ip),
+
+       TP_FIELDS(
+               ctf_integer_hex(unsigned long, caller, ip)
+               ctf_integer_hex(unsigned long, parent, parent_ip)
+       )
+)
+
+#ifndef CONFIG_PROVE_LOCKING
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(preemptirq_template, irq_disable,
+
+       preemptirq_irq_disable,
+
+       TP_PROTO(unsigned long ip, unsigned long parent_ip),
+
+       TP_ARGS(ip, parent_ip)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(preemptirq_template, irq_enable,
+
+       preemptirq_irq_enable,
+
+       TP_PROTO(unsigned long ip, unsigned long parent_ip),
+
+       TP_ARGS(ip, parent_ip)
+)
+#endif /* !CONFIG_PROVE_LOCKING */
+
+#ifdef CONFIG_DEBUG_PREEMPT
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(preemptirq_template, preempt_disable,
+
+       preemptirq_preempt_disable,
+
+       TP_PROTO(unsigned long ip, unsigned long parent_ip),
+
+       TP_ARGS(ip, parent_ip)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(preemptirq_template, preempt_enable,
+
+       preemptirq_preempt_enable,
+
+       TP_PROTO(unsigned long ip, unsigned long parent_ip),
+
+       TP_ARGS(ip, parent_ip)
+)
+#endif /* CONFIG_DEBUG_PREEMPT */
+
+#endif /* LTTNG_TRACE_PREEMPTIRQ_H */
+
+/* This part must be outside protection */
+#include <probes/define_trace.h>
+
+#endif /* CONFIG_PREEMPTIRQ_EVENTS */