mirror of https://gitee.com/openkylin/linux.git
tracing: flip the TP_printk and TP_fast_assign in the TRACE_EVENT macro
Impact: clean up In trying to stay consistant with the C style format in the TRACE_EVENT macro, it makes more sense to do the printk after the assigning of the variables. Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Steven Rostedt <srostedt@redhat.com>
This commit is contained in:
parent
2314c4ae14
commit
30a8fecc2d
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@ -157,7 +157,7 @@ static inline void tracepoint_synchronize_unregister(void)
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#define TRACE_FORMAT(name, proto, args, fmt) \
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DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
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#define TRACE_EVENT(name, proto, args, struct, print, assign) \
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#define TRACE_EVENT(name, proto, args, struct, assign, print) \
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DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
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#endif
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@ -31,13 +31,13 @@ TRACE_EVENT(irq_handler_exit,
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__field( int, ret )
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),
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TP_printk("irq=%d return=%s",
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__entry->irq, __entry->ret ? "handled" : "unhandled"),
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TP_fast_assign(
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__entry->irq = irq;
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__entry->ret = ret;
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)
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),
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TP_printk("irq=%d return=%s",
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__entry->irq, __entry->ret ? "handled" : "unhandled")
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);
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#undef TRACE_SYSTEM
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@ -22,12 +22,12 @@ TRACE_EVENT(sched_kthread_stop,
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__field( pid_t, pid )
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),
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TP_printk("task %s:%d", __entry->comm, __entry->pid),
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TP_fast_assign(
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memcpy(__entry->comm, t->comm, TASK_COMM_LEN);
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__entry->pid = t->pid;
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)
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),
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TP_printk("task %s:%d", __entry->comm, __entry->pid)
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);
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/*
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@ -43,11 +43,11 @@ TRACE_EVENT(sched_kthread_stop_ret,
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__field( int, ret )
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),
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TP_printk("ret %d", __entry->ret),
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TP_fast_assign(
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__entry->ret = ret;
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)
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),
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TP_printk("ret %d", __entry->ret)
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);
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/*
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@ -68,14 +68,14 @@ TRACE_EVENT(sched_wait_task,
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__field( int, prio )
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),
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TP_printk("task %s:%d [%d]",
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__entry->comm, __entry->pid, __entry->prio),
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TP_fast_assign(
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memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
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__entry->pid = p->pid;
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__entry->prio = p->prio;
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)
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),
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TP_printk("task %s:%d [%d]",
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__entry->comm, __entry->pid, __entry->prio)
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);
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/*
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@ -97,16 +97,16 @@ TRACE_EVENT(sched_wakeup,
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__field( int, success )
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),
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TP_printk("task %s:%d [%d] success=%d",
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__entry->comm, __entry->pid, __entry->prio,
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__entry->success),
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TP_fast_assign(
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memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
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__entry->pid = p->pid;
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__entry->prio = p->prio;
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__entry->success = success;
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)
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),
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TP_printk("task %s:%d [%d] success=%d",
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__entry->comm, __entry->pid, __entry->prio,
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__entry->success)
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);
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/*
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@ -128,16 +128,16 @@ TRACE_EVENT(sched_wakeup_new,
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__field( int, success )
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),
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TP_printk("task %s:%d [%d] success=%d",
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__entry->comm, __entry->pid, __entry->prio,
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__entry->success),
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TP_fast_assign(
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memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
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__entry->pid = p->pid;
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__entry->prio = p->prio;
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__entry->success = success;
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)
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),
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TP_printk("task %s:%d [%d] success=%d",
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__entry->comm, __entry->pid, __entry->prio,
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__entry->success)
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);
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/*
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@ -162,10 +162,6 @@ TRACE_EVENT(sched_switch,
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__field( int, next_prio )
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),
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TP_printk("task %s:%d [%d] ==> %s:%d [%d]",
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__entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
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__entry->next_comm, __entry->next_pid, __entry->next_prio),
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TP_fast_assign(
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memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN);
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__entry->prev_pid = prev->pid;
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@ -173,7 +169,11 @@ TRACE_EVENT(sched_switch,
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memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN);
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__entry->next_pid = next->pid;
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__entry->next_prio = next->prio;
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)
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),
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TP_printk("task %s:%d [%d] ==> %s:%d [%d]",
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__entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
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__entry->next_comm, __entry->next_pid, __entry->next_prio)
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);
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/*
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@ -193,17 +193,17 @@ TRACE_EVENT(sched_migrate_task,
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__field( int, dest_cpu )
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),
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TP_printk("task %s:%d [%d] from: %d to: %d",
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__entry->comm, __entry->pid, __entry->prio,
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__entry->orig_cpu, __entry->dest_cpu),
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TP_fast_assign(
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memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
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__entry->pid = p->pid;
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__entry->prio = p->prio;
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__entry->orig_cpu = orig_cpu;
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__entry->dest_cpu = dest_cpu;
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)
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),
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TP_printk("task %s:%d [%d] from: %d to: %d",
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__entry->comm, __entry->pid, __entry->prio,
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__entry->orig_cpu, __entry->dest_cpu)
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);
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/*
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@ -221,14 +221,14 @@ TRACE_EVENT(sched_process_free,
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__field( int, prio )
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),
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TP_printk("task %s:%d [%d]",
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__entry->comm, __entry->pid, __entry->prio),
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TP_fast_assign(
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memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
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__entry->pid = p->pid;
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__entry->prio = p->prio;
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)
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),
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TP_printk("task %s:%d [%d]",
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__entry->comm, __entry->pid, __entry->prio)
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);
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/*
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@ -246,14 +246,14 @@ TRACE_EVENT(sched_process_exit,
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__field( int, prio )
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),
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TP_printk("task %s:%d [%d]",
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__entry->comm, __entry->pid, __entry->prio),
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TP_fast_assign(
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memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
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__entry->pid = p->pid;
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__entry->prio = p->prio;
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)
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),
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TP_printk("task %s:%d [%d]",
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__entry->comm, __entry->pid, __entry->prio)
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);
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/*
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@ -271,14 +271,14 @@ TRACE_EVENT(sched_process_wait,
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__field( int, prio )
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),
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TP_printk("task %s:%d [%d]",
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__entry->comm, __entry->pid, __entry->prio),
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TP_fast_assign(
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memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
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__entry->pid = pid_nr(pid);
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__entry->prio = current->prio;
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)
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),
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TP_printk("task %s:%d [%d]",
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__entry->comm, __entry->pid, __entry->prio)
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);
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/*
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@ -297,16 +297,16 @@ TRACE_EVENT(sched_process_fork,
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__field( pid_t, child_pid )
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),
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TP_printk("parent %s:%d child %s:%d",
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__entry->parent_comm, __entry->parent_pid,
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__entry->child_comm, __entry->child_pid),
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TP_fast_assign(
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memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN);
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__entry->parent_pid = parent->pid;
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memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN);
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__entry->child_pid = child->pid;
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)
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),
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TP_printk("parent %s:%d child %s:%d",
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__entry->parent_comm, __entry->parent_pid,
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__entry->child_comm, __entry->child_pid)
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);
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/*
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@ -324,14 +324,14 @@ TRACE_EVENT(sched_signal_send,
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__field( pid_t, pid )
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),
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TP_printk("sig: %d task %s:%d",
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__entry->sig, __entry->comm, __entry->pid),
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TP_fast_assign(
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memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
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__entry->pid = p->pid;
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__entry->sig = sig;
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)
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),
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TP_printk("sig: %d task %s:%d",
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__entry->sig, __entry->comm, __entry->pid)
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);
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#undef TRACE_SYSTEM
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@ -27,7 +27,7 @@
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#define TP_STRUCT__entry(args...) args
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#undef TRACE_EVENT
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#define TRACE_EVENT(name, proto, args, tstruct, print, assign) \
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#define TRACE_EVENT(name, proto, args, tstruct, assign, print) \
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struct ftrace_raw_##name { \
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struct trace_entry ent; \
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tstruct \
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@ -39,7 +39,7 @@
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#define TP_printk(fmt, args...) fmt "\n", args
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#undef TRACE_EVENT
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#define TRACE_EVENT(call, proto, args, tstruct, print, assign) \
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#define TRACE_EVENT(call, proto, args, tstruct, assign, print) \
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enum print_line_t \
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ftrace_raw_output_##call(struct trace_iterator *iter, int flags) \
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{ \
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@ -115,7 +115,7 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags) \
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#define TP_fast_assign(args...) args
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#undef TRACE_EVENT
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#define TRACE_EVENT(call, proto, args, tstruct, print, func) \
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#define TRACE_EVENT(call, proto, args, tstruct, func, print) \
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static int \
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ftrace_format_##call(struct trace_seq *s) \
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{ \
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@ -148,7 +148,7 @@ __attribute__((section("_ftrace_events"))) event_##call = { \
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#define __entry entry
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#undef TRACE_EVENT
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#define TRACE_EVENT(call, proto, args, tstruct, print, assign) \
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#define TRACE_EVENT(call, proto, args, tstruct, assign, print) \
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\
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static struct ftrace_event_call event_##call; \
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\
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