path: root/include/trace/events/litmus.h

/*
 * LITMUS^RT scheduling events
 * included from sched.
 */
#include <litmus/litmus.h>
#include <litmus/rt_param.h>

/*
 * Tracing task admission
 */
TRACE_EVENT(litmus_task_param,

	TP_PROTO(struct task_struct *t),

	TP_ARGS(t),

	TP_STRUCT__entry(
		__field( pid_t,		pid	)
		__field( unsigned int,	job	)
		__field( lt_t,		wcet	)
		__field( lt_t,		period	)
		__field( lt_t,		phase	)
		__field( int,		partition )
	),

	TP_fast_assign(
		__entry->pid	= t ? t->pid : 0;
		__entry->job	= t ? t->rt_param.job_params.job_no : 0;
		__entry->wcet	= get_exec_cost(t);
		__entry->period	= get_rt_period(t);
		__entry->phase	= get_rt_phase(t);
		__entry->partition = get_partition(t);
	),

	TP_printk("period(%d, %Lu).\nwcet(%d, %Lu).\n",
		__entry->pid, __entry->period,
		__entry->pid, __entry->wcet)
);

/*
 * Tracing jobs release
 */
TRACE_EVENT(litmus_task_release,

	TP_PROTO(struct task_struct *t),

	TP_ARGS(t),

	TP_STRUCT__entry(
		__field( pid_t,		pid	)
		__field( unsigned int,	job	)
		__field( lt_t,		release	)
		__field( lt_t,		deadline	)
	),

	TP_fast_assign(
		__entry->pid	= t ? t->pid : 0;
		__entry->job	= t ? t->rt_param.job_params.job_no : 0;
		__entry->release	= get_release(t);
		__entry->deadline	= get_deadline(t);
	),

	TP_printk("released(job(%u, %u), %Lu).\ndeadline(job(%u, %u), %Lu).\n",
			__entry->pid, __entry->job, __entry->release,
			__entry->pid, __entry->job, __entry->deadline)
);

/*
 * Tracing jobs completion
 */
TRACE_EVENT(litmus_task_completion,

	TP_PROTO(struct task_struct *t, unsigned long forced),

	TP_ARGS(t, forced),

	TP_STRUCT__entry(
		__field( pid_t,		pid	)
		__field( unsigned int,	job	)
		__field( lt_t,		when	)
		__field( unsigned long,	forced	)
	),

	TP_fast_assign(
		__entry->pid	= t ? t->pid : 0;
		__entry->job	= t ? t->rt_param.job_params.job_no : 0;
		__entry->when	= litmus_clock();
		__entry->forced	= forced;
	),

	TP_printk("completed(job(%u, %u), %Lu).\n",
			__entry->pid, __entry->job, __entry->when)
);

/*
 * Tracing jobs resume
 */
TRACE_EVENT(litmus_task_resume,

	TP_PROTO(struct task_struct *t),

	TP_ARGS(t),

	TP_STRUCT__entry(
		__field( pid_t,		pid	)
		__field( unsigned int,	job	)
		__field( lt_t,		when	)
	),

	TP_fast_assign(
		__entry->pid	= t ? t->pid : 0;
		__entry->job	= t ? t->rt_param.job_params.job_no : 0;
		__entry->when	= litmus_clock();
	),

	TP_printk("resumed(job(%u, %u), %Lu).\n",
			__entry->pid, __entry->job, __entry->when)
);

/*
 * Tracepoint for switching away previous task
 */
TRACE_EVENT(litmus_switch_away,

	TP_PROTO(struct task_struct *t),

	TP_ARGS(t),

	TP_STRUCT__entry(
		__field( pid_t,		pid	)
		__field( unsigned int,	job	)
		__field( lt_t,		when	)
		__field( lt_t,		exec_time	)
	),

	TP_fast_assign(
		__entry->pid	= t ? t->pid : 0;
		__entry->job	= t ? t->rt_param.job_params.job_no : 0;
		__entry->when		= litmus_clock();
		__entry->exec_time	= get_exec_time(t);
	),

	TP_printk("scheduled(job(%u, %u), %Lu, %Lu).\n",
			__entry->pid, __entry->job,
			__entry->when, __entry->exec_time)
);