/* 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>
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9p.h | File | 5.1 KB | 0644 |
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afs.h | File | 13.13 KB | 0644 |
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alarmtimer.h | File | 2.04 KB | 0644 |
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asoc.h | File | 5.17 KB | 0644 |
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bcache.h | File | 10.9 KB | 0644 |
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block.h | File | 17.18 KB | 0644 |
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bpf.h | File | 8.23 KB | 0644 |
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bridge.h | File | 3.45 KB | 0644 |
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btrfs.h | File | 46.21 KB | 0644 |
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cgroup.h | File | 3.21 KB | 0644 |
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clk.h | File | 3.69 KB | 0644 |
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cma.h | File | 1.31 KB | 0644 |
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compaction.h | File | 7.76 KB | 0644 |
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context_tracking.h | File | 1.15 KB | 0644 |
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cpuhp.h | File | 1.83 KB | 0644 |
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devlink.h | File | 1.76 KB | 0644 |
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dma_fence.h | File | 1.66 KB | 0644 |
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ext4.h | File | 64.44 KB | 0644 |
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f2fs.h | File | 36.38 KB | 0644 |
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fib.h | File | 2.45 KB | 0644 |
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fib6.h | File | 1.82 KB | 0644 |
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filelock.h | File | 6.27 KB | 0644 |
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filemap.h | File | 2.74 KB | 0644 |
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fs.h | File | 946 B | 0644 |
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fs_dax.h | File | 8.26 KB | 0644 |
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fsi.h | File | 2.81 KB | 0644 |
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fsi_master_gpio.h | File | 1.54 KB | 0644 |
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gpio.h | File | 1.13 KB | 0644 |
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host1x.h | File | 5.77 KB | 0644 |
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hswadsp.h | File | 8.37 KB | 0644 |
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huge_memory.h | File | 4.33 KB | 0644 |
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i2c.h | File | 4.15 KB | 0644 |
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intel-sst.h | File | 2.51 KB | 0644 |
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intel_ish.h | File | 556 B | 0644 |
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iommu.h | File | 3.03 KB | 0644 |
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ipi.h | File | 1.88 KB | 0644 |
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irq.h | File | 3.8 KB | 0644 |
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irq_matrix.h | File | 4.94 KB | 0644 |
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jbd2.h | File | 9.79 KB | 0644 |
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kmem.h | File | 7.39 KB | 0644 |
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kvm.h | File | 9.03 KB | 0644 |
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libata.h | File | 11.57 KB | 0644 |
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lock.h | File | 1.7 KB | 0644 |
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mce.h | File | 1.85 KB | 0644 |
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mdio.h | File | 1.02 KB | 0644 |
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migrate.h | File | 2.42 KB | 0644 |
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mmc.h | File | 7.24 KB | 0644 |
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mmflags.h | File | 8.29 KB | 0644 |
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module.h | File | 2.78 KB | 0644 |
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napi.h | File | 1013 B | 0644 |
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net.h | File | 6.56 KB | 0644 |
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nilfs2.h | File | 5.2 KB | 0644 |
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nmi.h | File | 780 B | 0644 |
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oom.h | File | 3.88 KB | 0644 |
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page_isolation.h | File | 943 B | 0644 |
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page_ref.h | File | 2.99 KB | 0644 |
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pagemap.h | File | 2.14 KB | 0644 |
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percpu.h | File | 2.61 KB | 0644 |
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power.h | File | 11.35 KB | 0644 |
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power_cpu_migrate.h | File | 1.59 KB | 0644 |
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preemptirq.h | File | 1.95 KB | 0644 |
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printk.h | File | 786 B | 0644 |
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qdisc.h | File | 1.37 KB | 0644 |
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rcu.h | File | 24.64 KB | 0644 |
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regulator.h | File | 2.4 KB | 0644 |
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rpm.h | File | 2.34 KB | 0644 |
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rxrpc.h | File | 33.79 KB | 0644 |
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sched.h | File | 14.12 KB | 0644 |
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scsi.h | File | 12.32 KB | 0644 |
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signal.h | File | 3.43 KB | 0644 |
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skb.h | File | 1.38 KB | 0644 |
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smbus.h | File | 7.51 KB | 0644 |
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sock.h | File | 1.72 KB | 0644 |
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spi.h | File | 3.31 KB | 0644 |
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spmi.h | File | 3.24 KB | 0644 |
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sunrpc.h | File | 18.31 KB | 0644 |
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sunvnet.h | File | 3.06 KB | 0644 |
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swiotlb.h | File | 1.22 KB | 0644 |
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syscalls.h | File | 1.48 KB | 0644 |
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target.h | File | 7.52 KB | 0644 |
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task.h | File | 1.49 KB | 0644 |
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tcp.h | File | 6.57 KB | 0644 |
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thermal.h | File | 5.58 KB | 0644 |
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thermal_power_allocator.h | File | 3.22 KB | 0644 |
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thp.h | File | 2.09 KB | 0644 |
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timer.h | File | 9.58 KB | 0644 |
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tlb.h | File | 1.41 KB | 0644 |
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udp.h | File | 632 B | 0644 |
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ufs.h | File | 6.85 KB | 0644 |
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v4l2.h | File | 8.81 KB | 0644 |
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vb2.h | File | 1.73 KB | 0644 |
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vmscan.h | File | 12.47 KB | 0644 |
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vsock_virtio_transport_common.h | File | 3.49 KB | 0644 |
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wbt.h | File | 3.83 KB | 0644 |
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workqueue.h | File | 2.7 KB | 0644 |
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writeback.h | File | 19.81 KB | 0644 |
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xdp.h | File | 5.76 KB | 0644 |
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xen.h | File | 14.66 KB | 0644 |
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