| Server IP : 74.208.127.88 / Your IP : 216.73.216.223 Web Server : Apache/2.4.41 (Ubuntu) System : Linux ubuntu 5.4.0-163-generic #180-Ubuntu SMP Tue Sep 5 13:21:23 UTC 2023 x86_64 User : www-data ( 33) PHP Version : 7.4.3-4ubuntu2.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /proc/self/root/lib/modules/5.4.0-163-generic/build/include/trace/events/ |
Upload File : |
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM irq
#if !defined(_TRACE_IRQ_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_IRQ_H
#include <linux/tracepoint.h>
struct irqaction;
struct softirq_action;
#define SOFTIRQ_NAME_LIST \
softirq_name(HI) \
softirq_name(TIMER) \
softirq_name(NET_TX) \
softirq_name(NET_RX) \
softirq_name(BLOCK) \
softirq_name(IRQ_POLL) \
softirq_name(TASKLET) \
softirq_name(SCHED) \
softirq_name(HRTIMER) \
softirq_name_end(RCU)
#undef softirq_name
#undef softirq_name_end
#define softirq_name(sirq) TRACE_DEFINE_ENUM(sirq##_SOFTIRQ);
#define softirq_name_end(sirq) TRACE_DEFINE_ENUM(sirq##_SOFTIRQ);
SOFTIRQ_NAME_LIST
#undef softirq_name
#undef softirq_name_end
#define softirq_name(sirq) { sirq##_SOFTIRQ, #sirq },
#define softirq_name_end(sirq) { sirq##_SOFTIRQ, #sirq }
#define show_softirq_name(val) \
__print_symbolic(val, SOFTIRQ_NAME_LIST)
/**
* irq_handler_entry - called immediately before the irq action handler
* @irq: irq number
* @action: pointer to struct irqaction
*
* The struct irqaction pointed to by @action contains various
* information about the handler, including the device name,
* @action->name, and the device id, @action->dev_id. When used in
* conjunction with the irq_handler_exit tracepoint, we can figure
* out irq handler latencies.
*/
TRACE_EVENT(irq_handler_entry,
TP_PROTO(int irq, struct irqaction *action),
TP_ARGS(irq, action),
TP_STRUCT__entry(
__field( int, irq )
__string( name, action->name )
),
TP_fast_assign(
__entry->irq = irq;
__assign_str(name, action->name);
),
TP_printk("irq=%d name=%s", __entry->irq, __get_str(name))
);
/**
* irq_handler_exit - called immediately after the irq action handler returns
* @irq: irq number
* @action: pointer to struct irqaction
* @ret: return value
*
* If the @ret value is set to IRQ_HANDLED, then we know that the corresponding
* @action->handler successfully handled this irq. Otherwise, the irq might be
* a shared irq line, or the irq was not handled successfully. Can be used in
* conjunction with the irq_handler_entry to understand irq handler latencies.
*/
TRACE_EVENT(irq_handler_exit,
TP_PROTO(int irq, struct irqaction *action, int ret),
TP_ARGS(irq, action, ret),
TP_STRUCT__entry(
__field( int, irq )
__field( int, ret )
),
TP_fast_assign(
__entry->irq = irq;
__entry->ret = ret;
),
TP_printk("irq=%d ret=%s",
__entry->irq, __entry->ret ? "handled" : "unhandled")
);
DECLARE_EVENT_CLASS(softirq,
TP_PROTO(unsigned int vec_nr),
TP_ARGS(vec_nr),
TP_STRUCT__entry(
__field( unsigned int, vec )
),
TP_fast_assign(
__entry->vec = vec_nr;
),
TP_printk("vec=%u [action=%s]", __entry->vec,
show_softirq_name(__entry->vec))
);
/**
* softirq_entry - called immediately before the softirq handler
* @vec_nr: softirq vector number
*
* When used in combination with the softirq_exit tracepoint
* we can determine the softirq handler routine.
*/
DEFINE_EVENT(softirq, softirq_entry,
TP_PROTO(unsigned int vec_nr),
TP_ARGS(vec_nr)
);
/**
* softirq_exit - called immediately after the softirq handler returns
* @vec_nr: softirq vector number
*
* When used in combination with the softirq_entry tracepoint
* we can determine the softirq handler routine.
*/
DEFINE_EVENT(softirq, softirq_exit,
TP_PROTO(unsigned int vec_nr),
TP_ARGS(vec_nr)
);
/**
* softirq_raise - called immediately when a softirq is raised
* @vec_nr: softirq vector number
*
* When used in combination with the softirq_entry tracepoint
* we can determine the softirq raise to run latency.
*/
DEFINE_EVENT(softirq, softirq_raise,
TP_PROTO(unsigned int vec_nr),
TP_ARGS(vec_nr)
);
#endif /* _TRACE_IRQ_H */
/* This part must be outside protection */
#include <trace/define_trace.h>