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9 Tracepoints (see Documentation/trace/tracepoints.txt) can be used
13 Not all tracepoints can be traced using the event tracing system;
24 The events which are available for tracing can be found in the file
51 file.  All of the events in a subsystem can be specified via the syntax
52 "<subsystem>:*"; for example, to enable all irq events, you can use the
105 a description of each field in a logged event.  This information can
107 find the field names that can be used in event filters (see section 5).
155 Trace events can be filtered in the kernel by associating boolean
167 A filter expression consists of one or more 'predicates' that can be
175 Parentheses can be used to provide arbitrary logical groupings and
176 double-quotes can be used to prevent the shell from interpreting
179 The field-names available for use in filters can be found in the
221 an error message can be seen by looking at the filter e.g.:
247 For convenience, filters for every event in a subsystem can be set or
251 filter, or if the filter can't be applied for any other reason, the
252 filter for that event will retain its previous setting.  This can
256 fields can be guaranteed to propagate successfully to all events.
312 Trace events can be made to conditionally invoke trigger 'commands'
313 which can take various forms and are described in detail below;
317 associated with that event is invoked.  Any given trigger can
326 A given event can have any number of triggers associated with it,
376   These commands can enable or disable another trace event whenever
381   in effect that can trigger it.
410   Note that there can be any number of enable/disable_event triggers
411   per triggering event, but there can only be one trigger per
412   triggered event. e.g. sys_enter_read can have triggers enabling both
413   kmem:kmalloc and sched:sched_switch, but can't have two kmem:kmalloc
447   The latter can also be removed more simply by the following (without
453   Note that there can be only one stacktrace trigger per triggering
482   Note that there can be only one snapshot trigger per triggering
513   Note that there can be only one traceon or traceoff trigger per