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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /kernel/trace/trace_synth.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'kernel/trace/trace_synth.h')
-rw-r--r--kernel/trace/trace_synth.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/kernel/trace/trace_synth.h b/kernel/trace/trace_synth.h
new file mode 100644
index 000000000..4007fe95c
--- /dev/null
+++ b/kernel/trace/trace_synth.h
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
+#ifndef __TRACE_SYNTH_H
+#define __TRACE_SYNTH_H
+
+#include "trace_dynevent.h"
+
+#define SYNTH_SYSTEM "synthetic"
+#define SYNTH_FIELDS_MAX 32
+
+#define STR_VAR_LEN_MAX MAX_FILTER_STR_VAL /* must be multiple of sizeof(u64) */
+
+struct synth_field {
+ char *type;
+ char *name;
+ size_t size;
+ unsigned int offset;
+ unsigned int field_pos;
+ bool is_signed;
+ bool is_string;
+ bool is_dynamic;
+};
+
+struct synth_event {
+ struct dyn_event devent;
+ int ref;
+ char *name;
+ struct synth_field **fields;
+ unsigned int n_fields;
+ struct synth_field **dynamic_fields;
+ unsigned int n_dynamic_fields;
+ unsigned int n_u64;
+ struct trace_event_class class;
+ struct trace_event_call call;
+ struct tracepoint *tp;
+ struct module *mod;
+};
+
+extern struct synth_event *find_synth_event(const char *name);
+
+#endif /* __TRACE_SYNTH_H */