cobalt-core.h

/*
 * Copyright (C) 2014 Jan Kiszka <jan.kiszka@siemens.com>.
 * Copyright (C) 2014 Philippe Gerum <rpm@xenomai.org>.
 *
 * Xenomai is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 *
 * Xenomai is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Xenomai; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM cobalt_core

#if !defined(_TRACE_COBALT_CORE_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_COBALT_CORE_H

#include <linux/tracepoint.h>

DECLARE_EVENT_CLASS(thread_event,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread),

        TP_STRUCT__entry(
                __field(pid_t, pid)
                __field(unsigned long, state)
                __field(unsigned long, info)
        ),

        TP_fast_assign(
                __entry->state = thread->state;
                __entry->info = thread->info;
                __entry->pid = xnthread_host_pid(thread);
        ),

        TP_printk("pid=%d state=0x%lx info=0x%lx",
                  __entry->pid, __entry->state, __entry->info)
);

DECLARE_EVENT_CLASS(curr_thread_event,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread),

        TP_STRUCT__entry(
                __field(struct xnthread *, thread)
                __field(unsigned long, state)
                __field(unsigned long, info)
        ),

        TP_fast_assign(
                __entry->state = thread->state;
                __entry->info = thread->info;
        ),

        TP_printk("state=0x%lx info=0x%lx",
                  __entry->state, __entry->info)
);

DECLARE_EVENT_CLASS(synch_wait_event,
        TP_PROTO(struct xnsynch *synch),
        TP_ARGS(synch),

        TP_STRUCT__entry(
                __field(struct xnsynch *, synch)
        ),

        TP_fast_assign(
                __entry->synch = synch;
        ),

        TP_printk("synch=%p", __entry->synch)
);

DECLARE_EVENT_CLASS(synch_post_event,
        TP_PROTO(struct xnsynch *synch),
        TP_ARGS(synch),

        TP_STRUCT__entry(
                __field(struct xnsynch *, synch)
        ),

        TP_fast_assign(
                __entry->synch = synch;
        ),

        TP_printk("synch=%p", __entry->synch)
);

DECLARE_EVENT_CLASS(irq_event,
        TP_PROTO(unsigned int irq),
        TP_ARGS(irq),

        TP_STRUCT__entry(
                __field(unsigned int, irq)
        ),

        TP_fast_assign(
                __entry->irq = irq;
        ),

        TP_printk("irq=%u", __entry->irq)
);

DECLARE_EVENT_CLASS(clock_event,
        TP_PROTO(unsigned int irq),
        TP_ARGS(irq),

        TP_STRUCT__entry(
                __field(unsigned int, irq)
        ),

        TP_fast_assign(
                __entry->irq = irq;
        ),

        TP_printk("clock_irq=%u", __entry->irq)
);

DECLARE_EVENT_CLASS(timer_event,
        TP_PROTO(struct xntimer *timer),
        TP_ARGS(timer),

        TP_STRUCT__entry(
                __field(struct xntimer *, timer)
        ),

        TP_fast_assign(
                __entry->timer = timer;
        ),

        TP_printk("timer=%p", __entry->timer)
);

TRACE_EVENT(cobalt_schedule,
        TP_PROTO(struct xnsched *sched),
        TP_ARGS(sched),

        TP_STRUCT__entry(
                __field(unsigned long, status)
        ),

        TP_fast_assign(
                __entry->status = sched->status;
        ),

        TP_printk("status=0x%lx", __entry->status)
);

TRACE_EVENT(cobalt_schedule_remote,
        TP_PROTO(struct xnsched *sched),
        TP_ARGS(sched),

        TP_STRUCT__entry(
                __field(unsigned long, status)
        ),

        TP_fast_assign(
                __entry->status = sched->status;
        ),

        TP_printk("status=0x%lx", __entry->status)
);

TRACE_EVENT(cobalt_switch_context,
        TP_PROTO(struct xnthread *prev, struct xnthread *next),
        TP_ARGS(prev, next),

        TP_STRUCT__entry(
                __field(struct xnthread *, prev)
                __string(prev_name, prev->name)
                __field(pid_t, prev_pid)
                __field(int, prev_prio)
                __field(unsigned long, prev_state)
                __field(struct xnthread *, next)
                __string(next_name, next->name)
                __field(pid_t, next_pid)
                __field(int, next_prio)
        ),

        TP_fast_assign(
                __entry->prev = prev;
                __assign_str(prev_name, prev->name);
                __entry->prev_pid = xnthread_host_pid(prev);
                __entry->prev_prio = xnthread_current_priority(prev);
                __entry->prev_state = prev->state;
                __entry->next = next;
                __assign_str(next_name, next->name);
                __entry->next_pid = xnthread_host_pid(next);
                __entry->next_prio = xnthread_current_priority(next);
        ),

        TP_printk("prev_name=%s prev_pid=%d prev_prio=%d prev_state=0x%lx ==> next_name=%s next_pid=%d next_prio=%d",
                  __get_str(prev_name), __entry->prev_pid,
                  __entry->prev_prio, __entry->prev_state,
                  __get_str(next_name), __entry->next_pid, __entry->next_prio)
);

TRACE_EVENT(cobalt_thread_init,
        TP_PROTO(struct xnthread *thread,
                 const struct xnthread_init_attr *attr,
                 struct xnsched_class *sched_class),
        TP_ARGS(thread, attr, sched_class),

        TP_STRUCT__entry(
                __field(struct xnthread *, thread)
                __string(thread_name, thread->name)
                __string(class_name, sched_class->name)
                __field(unsigned long, flags)
                __field(int, cprio)
        ),

        TP_fast_assign(
                __entry->thread = thread;
                __assign_str(thread_name, thread->name);
                __entry->flags = attr->flags;
                __assign_str(class_name, sched_class->name);
                __entry->cprio = thread->cprio;
        ),

        TP_printk("thread=%p name=%s flags=0x%lx class=%s prio=%d",
                   __entry->thread, __get_str(thread_name), __entry->flags,
                   __get_str(class_name), __entry->cprio)
);

TRACE_EVENT(cobalt_thread_suspend,
        TP_PROTO(struct xnthread *thread, unsigned long mask, xnticks_t timeout,
                 xntmode_t timeout_mode, struct xnsynch *wchan),
        TP_ARGS(thread, mask, timeout, timeout_mode, wchan),

        TP_STRUCT__entry(
                __field(pid_t, pid)
                __field(unsigned long, mask)
                __field(xnticks_t, timeout)
                __field(xntmode_t, timeout_mode)
                __field(struct xnsynch *, wchan)
        ),

        TP_fast_assign(
                __entry->pid = xnthread_host_pid(thread);
                __entry->mask = mask;
                __entry->timeout = timeout;
                __entry->timeout_mode = timeout_mode;
                __entry->wchan = wchan;
        ),

        TP_printk("pid=%d mask=0x%lx timeout=%Lu timeout_mode=%d wchan=%p",
                  __entry->pid, __entry->mask,
                  __entry->timeout, __entry->timeout_mode, __entry->wchan)
);

TRACE_EVENT(cobalt_thread_resume,
        TP_PROTO(struct xnthread *thread, unsigned long mask),
        TP_ARGS(thread, mask),

        TP_STRUCT__entry(
                __string(name, thread->name)
                __field(pid_t, pid)
                __field(unsigned long, mask)
        ),

        TP_fast_assign(
                __assign_str(name, thread->name);
                __entry->pid = xnthread_host_pid(thread);
                __entry->mask = mask;
        ),

        TP_printk("name=%s pid=%d mask=0x%lx",
                  __get_str(name), __entry->pid, __entry->mask)
);

TRACE_EVENT(cobalt_thread_fault,
        TP_PROTO(struct ipipe_trap_data *td),
        TP_ARGS(td),

        TP_STRUCT__entry(
                __field(void *, ip)
                __field(unsigned int, type)
        ),

        TP_fast_assign(
                __entry->ip = (void *)xnarch_fault_pc(td);
                __entry->type = xnarch_fault_trap(td);
        ),

        TP_printk("ip=%p type=%x",
                  __entry->ip, __entry->type)
);

TRACE_EVENT(cobalt_thread_set_current_prio,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread),

        TP_STRUCT__entry(
                __field(struct xnthread *, thread)
                __field(pid_t, pid)
                __field(int, cprio)
        ),

        TP_fast_assign(
                __entry->thread = thread;
                __entry->pid = xnthread_host_pid(thread);
                __entry->cprio = xnthread_current_priority(thread);
        ),

        TP_printk("thread=%p pid=%d prio=%d",
                  __entry->thread, __entry->pid, __entry->cprio)
);

DEFINE_EVENT(thread_event, cobalt_thread_start,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread)
);

DEFINE_EVENT(thread_event, cobalt_thread_cancel,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread)
);

DEFINE_EVENT(thread_event, cobalt_thread_join,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread)
);

DEFINE_EVENT(thread_event, cobalt_thread_unblock,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread)
);

DEFINE_EVENT(curr_thread_event, cobalt_thread_wait_period,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread)
);

DEFINE_EVENT(curr_thread_event, cobalt_thread_missed_period,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread)
);

DEFINE_EVENT(curr_thread_event, cobalt_thread_set_mode,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread)
);

TRACE_EVENT(cobalt_thread_migrate,
        TP_PROTO(unsigned int cpu),
        TP_ARGS(cpu),

        TP_STRUCT__entry(
                __field(unsigned int, cpu)
        ),

        TP_fast_assign(
                __entry->cpu = cpu;
        ),

        TP_printk("cpu=%u", __entry->cpu)
);

TRACE_EVENT(cobalt_thread_migrate_passive,
        TP_PROTO(struct xnthread *thread, unsigned int cpu),
        TP_ARGS(thread, cpu),

        TP_STRUCT__entry(
                __field(struct xnthread *, thread)
                __field(pid_t, pid)
                __field(unsigned int, cpu)
        ),

        TP_fast_assign(
                __entry->thread = thread;
                __entry->pid = xnthread_host_pid(thread);
                __entry->cpu = cpu;
        ),

        TP_printk("thread=%p pid=%d cpu=%u",
                  __entry->thread, __entry->pid, __entry->cpu)
);

DEFINE_EVENT(curr_thread_event, cobalt_shadow_gohard,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread)
);

DEFINE_EVENT(curr_thread_event, cobalt_watchdog_signal,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread)
);

DEFINE_EVENT(curr_thread_event, cobalt_shadow_hardened,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread)
);

#define cobalt_print_relax_reason(reason)                               \
        __print_symbolic(reason,                                        \
                         { SIGDEBUG_UNDEFINED,          "undefined" },  \
                         { SIGDEBUG_MIGRATE_SIGNAL,     "signal" },     \
                         { SIGDEBUG_MIGRATE_SYSCALL,    "syscall" },    \
                         { SIGDEBUG_MIGRATE_FAULT,      "fault" })

TRACE_EVENT(cobalt_shadow_gorelax,
        TP_PROTO(int reason),
        TP_ARGS(reason),

        TP_STRUCT__entry(
                __field(int, reason)
        ),

        TP_fast_assign(
                __entry->reason = reason;
        ),

        TP_printk("reason=%s", cobalt_print_relax_reason(__entry->reason))
);

DEFINE_EVENT(curr_thread_event, cobalt_shadow_relaxed,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread)
);

DEFINE_EVENT(curr_thread_event, cobalt_shadow_entry,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread)
);

TRACE_EVENT(cobalt_shadow_map,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread),

        TP_STRUCT__entry(
                __field(struct xnthread *, thread)
                __field(pid_t, pid)
                __field(int, prio)
        ),

        TP_fast_assign(
                __entry->thread = thread;
                __entry->pid = xnthread_host_pid(thread);
                __entry->prio = xnthread_base_priority(thread);
        ),

        TP_printk("thread=%p pid=%d prio=%d",
                  __entry->thread, __entry->pid, __entry->prio)
);

DEFINE_EVENT(curr_thread_event, cobalt_shadow_unmap,
        TP_PROTO(struct xnthread *thread),
        TP_ARGS(thread)
);

TRACE_EVENT(cobalt_lostage_request,
        TP_PROTO(const char *type, struct task_struct *task),
        TP_ARGS(type, task),

        TP_STRUCT__entry(
                __field(pid_t, pid)
                __array(char, comm, TASK_COMM_LEN)
                __field(const char *, type)
        ),

        TP_fast_assign(
                __entry->type = type;
                __entry->pid = task_pid_nr(task);
                memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
        ),

        TP_printk("request=%s pid=%d comm=%s",
                  __entry->type, __entry->pid, __entry->comm)
);

TRACE_EVENT(cobalt_lostage_wakeup,
        TP_PROTO(struct task_struct *task),
        TP_ARGS(task),

        TP_STRUCT__entry(
                __field(pid_t, pid)
                __array(char, comm, TASK_COMM_LEN)
        ),

        TP_fast_assign(
                __entry->pid = task_pid_nr(task);
                memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
        ),

        TP_printk("pid=%d comm=%s",
                  __entry->pid, __entry->comm)
);

TRACE_EVENT(cobalt_lostage_signal,
        TP_PROTO(struct task_struct *task, int sig),
        TP_ARGS(task, sig),

        TP_STRUCT__entry(
                __field(pid_t, pid)
                __array(char, comm, TASK_COMM_LEN)
                __field(int, sig)
        ),

        TP_fast_assign(
                __entry->pid = task_pid_nr(task);
                __entry->sig = sig;
                memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
        ),

        TP_printk("pid=%d comm=%s sig=%d",
                  __entry->pid, __entry->comm, __entry->sig)
);

DEFINE_EVENT(irq_event, cobalt_irq_entry,
        TP_PROTO(unsigned int irq),
        TP_ARGS(irq)
);

DEFINE_EVENT(irq_event, cobalt_irq_exit,
        TP_PROTO(unsigned int irq),
        TP_ARGS(irq)
);

DEFINE_EVENT(irq_event, cobalt_irq_attach,
        TP_PROTO(unsigned int irq),
        TP_ARGS(irq)
);

DEFINE_EVENT(irq_event, cobalt_irq_detach,
        TP_PROTO(unsigned int irq),
        TP_ARGS(irq)
);

DEFINE_EVENT(irq_event, cobalt_irq_enable,
        TP_PROTO(unsigned int irq),
        TP_ARGS(irq)
);

DEFINE_EVENT(irq_event, cobalt_irq_disable,
        TP_PROTO(unsigned int irq),
        TP_ARGS(irq)
);

DEFINE_EVENT(clock_event, cobalt_clock_entry,
        TP_PROTO(unsigned int irq),
        TP_ARGS(irq)
);

DEFINE_EVENT(clock_event, cobalt_clock_exit,
        TP_PROTO(unsigned int irq),
        TP_ARGS(irq)
);

DEFINE_EVENT(timer_event, cobalt_timer_stop,
        TP_PROTO(struct xntimer *timer),
        TP_ARGS(timer)
);

DEFINE_EVENT(timer_event, cobalt_timer_expire,
        TP_PROTO(struct xntimer *timer),
        TP_ARGS(timer)
);

#define cobalt_print_timer_mode(mode)                   \
        __print_symbolic(mode,                          \
                         { XN_RELATIVE, "rel" },        \
                         { XN_ABSOLUTE, "abs" },        \
                         { XN_REALTIME, "rt" })

TRACE_EVENT(cobalt_timer_start,
        TP_PROTO(struct xntimer *timer, xnticks_t value, xnticks_t interval,
                 xntmode_t mode),
        TP_ARGS(timer, value, interval, mode),

        TP_STRUCT__entry(
                __field(struct xntimer *, timer)
#ifdef CONFIG_XENO_OPT_STATS
                __string(name, timer->name)
#endif
                __field(xnticks_t, value)
                __field(xnticks_t, interval)
                __field(xntmode_t, mode)
        ),

        TP_fast_assign(
                __entry->timer = timer;
#ifdef CONFIG_XENO_OPT_STATS
                __assign_str(name, timer->name);
#endif
                __entry->value = value;
                __entry->interval = interval;
                __entry->mode = mode;
        ),

        TP_printk("timer=%p(%s) value=%Lu interval=%Lu mode=%s",
                  __entry->timer,
#ifdef CONFIG_XENO_OPT_STATS
                  __get_str(name),
#else
                  "(anon)",
#endif
                  __entry->value, __entry->interval,
                  cobalt_print_timer_mode(__entry->mode))
);

#ifdef CONFIG_SMP

TRACE_EVENT(cobalt_timer_migrate,
        TP_PROTO(struct xntimer *timer, unsigned int cpu),
        TP_ARGS(timer, cpu),

        TP_STRUCT__entry(
                __field(struct xntimer *, timer)
                __field(unsigned int, cpu)
        ),

        TP_fast_assign(
                __entry->timer = timer;
                __entry->cpu = cpu;
        ),

        TP_printk("timer=%p cpu=%u",
                  __entry->timer, __entry->cpu)
);

#endif /* CONFIG_SMP */

DEFINE_EVENT(synch_wait_event, cobalt_synch_sleepon,
        TP_PROTO(struct xnsynch *synch),
        TP_ARGS(synch)
);

DEFINE_EVENT(synch_wait_event, cobalt_synch_try_acquire,
        TP_PROTO(struct xnsynch *synch),
        TP_ARGS(synch)
);

DEFINE_EVENT(synch_wait_event, cobalt_synch_acquire,
        TP_PROTO(struct xnsynch *synch),
        TP_ARGS(synch)
);

DEFINE_EVENT(synch_post_event, cobalt_synch_release,
        TP_PROTO(struct xnsynch *synch),
        TP_ARGS(synch)
);

DEFINE_EVENT(synch_post_event, cobalt_synch_wakeup,
        TP_PROTO(struct xnsynch *synch),
        TP_ARGS(synch)
);

DEFINE_EVENT(synch_post_event, cobalt_synch_wakeup_many,
        TP_PROTO(struct xnsynch *synch),
        TP_ARGS(synch)
);

DEFINE_EVENT(synch_post_event, cobalt_synch_flush,
        TP_PROTO(struct xnsynch *synch),
        TP_ARGS(synch)
);

DEFINE_EVENT(synch_post_event, cobalt_synch_forget,
        TP_PROTO(struct xnsynch *synch),
        TP_ARGS(synch)
);

#endif /* _TRACE_COBALT_CORE_H */

/* This part must be outside protection */
#undef TRACE_INCLUDE_PATH
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE cobalt-core
#include <trace/define_trace.h>