summaryrefslogtreecommitdiffstats
path: root/include/trace/events/osnoise.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/trace/events/osnoise.h')
-rw-r--r--include/trace/events/osnoise.h142
1 files changed, 142 insertions, 0 deletions
diff --git a/include/trace/events/osnoise.h b/include/trace/events/osnoise.h
new file mode 100644
index 000000000..82f741ec0
--- /dev/null
+++ b/include/trace/events/osnoise.h
@@ -0,0 +1,142 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM osnoise
+
+#if !defined(_OSNOISE_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _OSNOISE_TRACE_H
+
+#include <linux/tracepoint.h>
+TRACE_EVENT(thread_noise,
+
+ TP_PROTO(struct task_struct *t, u64 start, u64 duration),
+
+ TP_ARGS(t, start, duration),
+
+ TP_STRUCT__entry(
+ __array( char, comm, TASK_COMM_LEN)
+ __field( u64, start )
+ __field( u64, duration)
+ __field( pid_t, pid )
+ ),
+
+ TP_fast_assign(
+ memcpy(__entry->comm, t->comm, TASK_COMM_LEN);
+ __entry->pid = t->pid;
+ __entry->start = start;
+ __entry->duration = duration;
+ ),
+
+ TP_printk("%8s:%d start %llu.%09u duration %llu ns",
+ __entry->comm,
+ __entry->pid,
+ __print_ns_to_secs(__entry->start),
+ __print_ns_without_secs(__entry->start),
+ __entry->duration)
+);
+
+TRACE_EVENT(softirq_noise,
+
+ TP_PROTO(int vector, u64 start, u64 duration),
+
+ TP_ARGS(vector, start, duration),
+
+ TP_STRUCT__entry(
+ __field( u64, start )
+ __field( u64, duration)
+ __field( int, vector )
+ ),
+
+ TP_fast_assign(
+ __entry->vector = vector;
+ __entry->start = start;
+ __entry->duration = duration;
+ ),
+
+ TP_printk("%8s:%d start %llu.%09u duration %llu ns",
+ show_softirq_name(__entry->vector),
+ __entry->vector,
+ __print_ns_to_secs(__entry->start),
+ __print_ns_without_secs(__entry->start),
+ __entry->duration)
+);
+
+TRACE_EVENT(irq_noise,
+
+ TP_PROTO(int vector, const char *desc, u64 start, u64 duration),
+
+ TP_ARGS(vector, desc, start, duration),
+
+ TP_STRUCT__entry(
+ __field( u64, start )
+ __field( u64, duration)
+ __string( desc, desc )
+ __field( int, vector )
+
+ ),
+
+ TP_fast_assign(
+ __assign_str(desc, desc);
+ __entry->vector = vector;
+ __entry->start = start;
+ __entry->duration = duration;
+ ),
+
+ TP_printk("%s:%d start %llu.%09u duration %llu ns",
+ __get_str(desc),
+ __entry->vector,
+ __print_ns_to_secs(__entry->start),
+ __print_ns_without_secs(__entry->start),
+ __entry->duration)
+);
+
+TRACE_EVENT(nmi_noise,
+
+ TP_PROTO(u64 start, u64 duration),
+
+ TP_ARGS(start, duration),
+
+ TP_STRUCT__entry(
+ __field( u64, start )
+ __field( u64, duration)
+ ),
+
+ TP_fast_assign(
+ __entry->start = start;
+ __entry->duration = duration;
+ ),
+
+ TP_printk("start %llu.%09u duration %llu ns",
+ __print_ns_to_secs(__entry->start),
+ __print_ns_without_secs(__entry->start),
+ __entry->duration)
+);
+
+TRACE_EVENT(sample_threshold,
+
+ TP_PROTO(u64 start, u64 duration, u64 interference),
+
+ TP_ARGS(start, duration, interference),
+
+ TP_STRUCT__entry(
+ __field( u64, start )
+ __field( u64, duration)
+ __field( u64, interference)
+ ),
+
+ TP_fast_assign(
+ __entry->start = start;
+ __entry->duration = duration;
+ __entry->interference = interference;
+ ),
+
+ TP_printk("start %llu.%09u duration %llu ns interference %llu",
+ __print_ns_to_secs(__entry->start),
+ __print_ns_without_secs(__entry->start),
+ __entry->duration,
+ __entry->interference)
+);
+
+#endif /* _TRACE_OSNOISE_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>