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Diffstat (limited to '')
| -rw-r--r-- | kernel/trace/trace_synth.h | 40 |
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 */ |