Em Tue, Nov 22, 2016 at 11:31:58AM -0500, Steven Rostedt escreveu:
>
> Add a way to retrieve the preempt count as well as the latency flags from a
> pevent_record.
>
> int pevent_data_preempt_count(pevent, record);
>
> returns the preempt count of a record.
>
> int pevent_data_flags(pevent, record);
>
> returns the latency flags for a record.
Namhyung, I'm preemptively adding your Acked-by, ok?
- Arnaldo
> Signed-off-by: Steven Rostedt <rost...@goodmis.org>
> ---
> tools/lib/traceevent/event-parse.c | 30 ++++++++++++++++++++++++++++--
> tools/lib/traceevent/event-parse.h | 2 ++
> 2 files changed, 30 insertions(+), 2 deletions(-)
>
> diff --git a/tools/lib/traceevent/event-parse.c
> b/tools/lib/traceevent/event-parse.c
> index 664c90c8e22b..6e2dfcbf9e30 100644
> --- a/tools/lib/traceevent/event-parse.c
> +++ b/tools/lib/traceevent/event-parse.c
> @@ -5191,11 +5191,11 @@ struct event_format
> *pevent_data_event_from_type(struct pevent *pevent, int type
> }
>
> /**
> - * pevent_data_pid - parse the PID from raw data
> + * pevent_data_pid - parse the PID from record
> * @pevent: a handle to the pevent
> * @rec: the record to parse
> *
> - * This returns the PID from a raw data.
> + * This returns the PID from a record.
> */
> int pevent_data_pid(struct pevent *pevent, struct pevent_record *rec)
> {
> @@ -5203,6 +5203,32 @@ int pevent_data_pid(struct pevent *pevent, struct
> pevent_record *rec)
> }
>
> /**
> + * pevent_data_prempt_count - parse the preempt count from the record
> + * @pevent: a handle to the pevent
> + * @rec: the record to parse
> + *
> + * This returns the preempt count from a record.
> + */
> +int pevent_data_prempt_count(struct pevent *pevent, struct pevent_record
> *rec)
> +{
> + return parse_common_pc(pevent, rec->data);
> +}
> +
> +/**
> + * pevent_data_flags - parse the latency flags from the record
> + * @pevent: a handle to the pevent
> + * @rec: the record to parse
> + *
> + * This returns the latency flags from a record.
> + *
> + * Use trace_flag_type enum for the flags (see event-parse.h).
> + */
> +int pevent_data_flags(struct pevent *pevent, struct pevent_record *rec)
> +{
> + return parse_common_flags(pevent, rec->data);
> +}
> +
> +/**
> * pevent_data_comm_from_pid - return the command line from PID
> * @pevent: a handle to the pevent
> * @pid: the PID of the task to search for
> diff --git a/tools/lib/traceevent/event-parse.h
> b/tools/lib/traceevent/event-parse.h
> index 9ffde377e89d..82b83c4d621c 100644
> --- a/tools/lib/traceevent/event-parse.h
> +++ b/tools/lib/traceevent/event-parse.h
> @@ -712,6 +712,8 @@ void pevent_data_lat_fmt(struct pevent *pevent,
> int pevent_data_type(struct pevent *pevent, struct pevent_record *rec);
> struct event_format *pevent_data_event_from_type(struct pevent *pevent, int
> type);
> int pevent_data_pid(struct pevent *pevent, struct pevent_record *rec);
> +int pevent_data_prempt_count(struct pevent *pevent, struct pevent_record
> *rec);
> +int pevent_data_flags(struct pevent *pevent, struct pevent_record *rec);
> const char *pevent_data_comm_from_pid(struct pevent *pevent, int pid);
> struct cmdline;
> struct cmdline *pevent_data_pid_from_comm(struct pevent *pevent, const char
> *comm,
> --
> 2.1.0
>
