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-rw-r--r--include/trace/events/osnoise.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/include/trace/events/osnoise.h b/include/trace/events/osnoise.h
index a2379a4f0684..3f4273623801 100644
--- a/include/trace/events/osnoise.h
+++ b/include/trace/events/osnoise.h
@@ -3,9 +3,105 @@
#define TRACE_SYSTEM osnoise
#if !defined(_OSNOISE_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+
+#ifndef _OSNOISE_TRACE_H
#define _OSNOISE_TRACE_H
+/*
+ * osnoise sample structure definition. Used to store the statistics of a
+ * sample run.
+ */
+struct osnoise_sample {
+ u64 runtime; /* runtime */
+ u64 noise; /* noise */
+ u64 max_sample; /* max single noise sample */
+ int hw_count; /* # HW (incl. hypervisor) interference */
+ int nmi_count; /* # NMIs during this sample */
+ int irq_count; /* # IRQs during this sample */
+ int softirq_count; /* # softirqs during this sample */
+ int thread_count; /* # threads during this sample */
+};
+
+#ifdef CONFIG_TIMERLAT_TRACER
+/*
+ * timerlat sample structure definition. Used to store the statistics of
+ * a sample run.
+ */
+struct timerlat_sample {
+ u64 timer_latency; /* timer_latency */
+ unsigned int seqnum; /* unique sequence */
+ int context; /* timer context */
+};
+#endif // CONFIG_TIMERLAT_TRACER
+#endif // _OSNOISE_TRACE_H
#include <linux/tracepoint.h>
+TRACE_EVENT(osnoise_sample,
+
+ TP_PROTO(struct osnoise_sample *s),
+
+ TP_ARGS(s),
+
+ TP_STRUCT__entry(
+ __field( u64, runtime )
+ __field( u64, noise )
+ __field( u64, max_sample )
+ __field( int, hw_count )
+ __field( int, irq_count )
+ __field( int, nmi_count )
+ __field( int, softirq_count )
+ __field( int, thread_count )
+ ),
+
+ TP_fast_assign(
+ __entry->runtime = s->runtime;
+ __entry->noise = s->noise;
+ __entry->max_sample = s->max_sample;
+ __entry->hw_count = s->hw_count;
+ __entry->irq_count = s->irq_count;
+ __entry->nmi_count = s->nmi_count;
+ __entry->softirq_count = s->softirq_count;
+ __entry->thread_count = s->thread_count;
+ ),
+
+ TP_printk("runtime=%llu noise=%llu max_sample=%llu hw_count=%d"
+ " irq_count=%d nmi_count=%d softirq_count=%d"
+ " thread_count=%d",
+ __entry->runtime,
+ __entry->noise,
+ __entry->max_sample,
+ __entry->hw_count,
+ __entry->irq_count,
+ __entry->nmi_count,
+ __entry->softirq_count,
+ __entry->thread_count)
+);
+
+#ifdef CONFIG_TIMERLAT_TRACER
+TRACE_EVENT(timerlat_sample,
+
+ TP_PROTO(struct timerlat_sample *s),
+
+ TP_ARGS(s),
+
+ TP_STRUCT__entry(
+ __field( u64, timer_latency )
+ __field( unsigned int, seqnum )
+ __field( int, context )
+ ),
+
+ TP_fast_assign(
+ __entry->timer_latency = s->timer_latency;
+ __entry->seqnum = s->seqnum;
+ __entry->context = s->context;
+ ),
+
+ TP_printk("timer_latency=%llu seqnum=%u context=%d",
+ __entry->timer_latency,
+ __entry->seqnum,
+ __entry->context)
+);
+#endif // CONFIG_TIMERLAT_TRACER
+
TRACE_EVENT(thread_noise,
TP_PROTO(struct task_struct *t, u64 start, u64 duration),