On Fri, 3 May 2019 12:11:18 +0300
Tzvetomir Stoyanov <tstoyanov@xxxxxxxxxx> wrote:
> --- /dev/null
> +++ b/tools/lib/traceevent/Documentation/libtraceevent-record_parse.txt
> @@ -0,0 +1,137 @@
> +libtraceevent(3)
> +================
> +
> +NAME
> +----
> +tep_data_type, tep_data_pid,tep_data_preempt_count, tep_data_flags -
> +Extract common fields from a record.
> +
> +SYNOPSIS
> +--------
> +[verse]
> +--
> +*#include <event-parse.h>*
> +
> +enum *trace_flag_type* {
> + _TRACE_FLAG_IRQS_OFF_,
> + _TRACE_FLAG_IRQS_NOSUPPORT_,
Changed here OK.
> + _TRACE_FLAG_NEED_RESCHED_,
> + _TRACE_FLAG_HARDIRQ_,
> + _TRACE_FLAG_SOFTIRQ_,
> +};
> +
> +int *tep_data_type*(struct tep_handle pass:[*]_tep_, struct tep_record pass:[*]_rec_);
> +int *tep_data_pid*(struct tep_handle pass:[*]_tep_, struct tep_record pass:[*]_rec_);
> +int *tep_data_preempt_count*(struct tep_handle pass:[*]_tep_, struct tep_record pass:[*]_rec_);
> +int *tep_data_flags*(struct tep_handle pass:[*]_tep_, struct tep_record pass:[*]_rec_);
> +--
> +The _tep_data_flags()_ function gets the latency flags from the record _rec_.
> +It reads the "common_flags" field. The _tep_ argument is the trace event parser
> +context. Supported latency flags are:
> +[verse]
> +--
> + _TRACE_FLAG_IRQS_OFF_, Interrupts are disabled.
> + _TRACE_FLAG_IRQS_NOSUPPOR_, Reading IRQ flag is not supported by the architecture.
Forgot to change here. I'll fix.
-- Steve
> + _TRACE_FLAG_NEED_RESCHED_, Task needs rescheduling.
> + _TRACE_FLAG_HARDIRQ_, Hard IRQ is running.
> + _TRACE_FLAG_SOFTIRQ_, Soft IRQ is running.
> +--
> +
|