/* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_SYSTEM timer #if !defined(_TRACE_TIMER_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_TIMER_H #include <linux/tracepoint.h> #include <linux/hrtimer.h> #include <linux/timer.h> DECLARE_EVENT_CLASS(timer_class, TP_PROTO(struct timer_list *timer), TP_ARGS(timer), TP_STRUCT__entry( __field( void *, timer ) ), TP_fast_assign( __entry->timer = timer; ), TP_printk("timer=%p", __entry->timer) ); /** * timer_init - called when the timer is initialized * @timer: pointer to struct timer_list */ DEFINE_EVENT(timer_class, timer_init, TP_PROTO(struct timer_list *timer), TP_ARGS(timer) ); #define decode_timer_flags(flags) \ __print_flags(flags, "|", \ { TIMER_MIGRATING, "M" }, \ { TIMER_DEFERRABLE, "D" }, \ { TIMER_PINNED, "P" }, \ { TIMER_IRQSAFE, "I" }) /** * timer_start - called when the timer is started * @timer: pointer to struct timer_list * @expires: the timers expiry time */ TRACE_EVENT(timer_start, TP_PROTO(struct timer_list *timer, unsigned long expires, unsigned int flags), TP_ARGS(timer, expires, flags), TP_STRUCT__entry( __field( void *, timer ) __field( void *, function ) __field( unsigned long, expires ) __field( unsigned long, now ) __field( unsigned int, flags ) ), TP_fast_assign( __entry->timer = timer; __entry->function = timer->function; __entry->expires = expires; __entry->now = jiffies; __entry->flags = flags; ), TP_printk("timer=%p function=%pf expires=%lu [timeout=%ld] cpu=%u idx=%u flags=%s", __entry->timer, __entry->function, __entry->expires, (long)__entry->expires - __entry->now, __entry->flags & TIMER_CPUMASK, __entry->flags >> TIMER_ARRAYSHIFT, decode_timer_flags(__entry->flags & TIMER_TRACE_FLAGMASK)) ); /** * timer_expire_entry - called immediately before the timer callback * @timer: pointer to struct timer_list * * Allows to determine the timer latency. */ TRACE_EVENT(timer_expire_entry, TP_PROTO(struct timer_list *timer), TP_ARGS(timer), TP_STRUCT__entry( __field( void *, timer ) __field( unsigned long, now ) __field( void *, function) ), TP_fast_assign( __entry->timer = timer; __entry->now = jiffies; __entry->function = timer->function; ), TP_printk("timer=%p function=%pf now=%lu", __entry->timer, __entry->function,__entry->now) ); /** * timer_expire_exit - called immediately after the timer callback returns * @timer: pointer to struct timer_list * * When used in combination with the timer_expire_entry tracepoint we can * determine the runtime of the timer callback function. * * NOTE: Do NOT derefernce timer in TP_fast_assign. The pointer might * be invalid. We solely track the pointer. */ DEFINE_EVENT(timer_class, timer_expire_exit, TP_PROTO(struct timer_list *timer), TP_ARGS(timer) ); /** * timer_cancel - called when the timer is canceled * @timer: pointer to struct timer_list */ DEFINE_EVENT(timer_class, timer_cancel, TP_PROTO(struct timer_list *timer), TP_ARGS(timer) ); #define decode_clockid(type) \ __print_symbolic(type, \ { CLOCK_REALTIME, "CLOCK_REALTIME" }, \ { CLOCK_MONOTONIC, "CLOCK_MONOTONIC" }, \ { CLOCK_BOOTTIME, "CLOCK_BOOTTIME" }, \ { CLOCK_TAI, "CLOCK_TAI" }) #define decode_hrtimer_mode(mode) \ __print_symbolic(mode, \ { HRTIMER_MODE_ABS, "ABS" }, \ { HRTIMER_MODE_REL, "REL" }, \ { HRTIMER_MODE_ABS_PINNED, "ABS|PINNED" }, \ { HRTIMER_MODE_REL_PINNED, "REL|PINNED" }) /** * hrtimer_init - called when the hrtimer is initialized * @hrtimer: pointer to struct hrtimer * @clockid: the hrtimers clock * @mode: the hrtimers mode */ TRACE_EVENT(hrtimer_init, TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid, enum hrtimer_mode mode), TP_ARGS(hrtimer, clockid, mode), TP_STRUCT__entry( __field( void *, hrtimer ) __field( clockid_t, clockid ) __field( enum hrtimer_mode, mode ) ), TP_fast_assign( __entry->hrtimer = hrtimer; __entry->clockid = clockid; __entry->mode = mode; ), TP_printk("hrtimer=%p clockid=%s mode=%s", __entry->hrtimer, decode_clockid(__entry->clockid), decode_hrtimer_mode(__entry->mode)) ); /** * hrtimer_start - called when the hrtimer is started * @hrtimer: pointer to struct hrtimer */ TRACE_EVENT(hrtimer_start, TP_PROTO(struct hrtimer *hrtimer), TP_ARGS(hrtimer), TP_STRUCT__entry( __field( void *, hrtimer ) __field( void *, function ) __field( s64, expires ) __field( s64, softexpires ) ), TP_fast_assign( __entry->hrtimer = hrtimer; __entry->function = hrtimer->function; __entry->expires = hrtimer_get_expires(hrtimer); __entry->softexpires = hrtimer_get_softexpires(hrtimer); ), TP_printk("hrtimer=%p function=%pf expires=%llu softexpires=%llu", __entry->hrtimer, __entry->function, (unsigned long long) __entry->expires, (unsigned long long) __entry->softexpires) ); /** * hrtimer_expire_entry - called immediately before the hrtimer callback * @hrtimer: pointer to struct hrtimer * @now: pointer to variable which contains current time of the * timers base. * * Allows to determine the timer latency. */ TRACE_EVENT(hrtimer_expire_entry, TP_PROTO(struct hrtimer *hrtimer, ktime_t *now), TP_ARGS(hrtimer, now), TP_STRUCT__entry( __field( void *, hrtimer ) __field( s64, now ) __field( void *, function) ), TP_fast_assign( __entry->hrtimer = hrtimer; __entry->now = *now; __entry->function = hrtimer->function; ), TP_printk("hrtimer=%p function=%pf now=%llu", __entry->hrtimer, __entry->function, (unsigned long long) __entry->now) ); DECLARE_EVENT_CLASS(hrtimer_class, TP_PROTO(struct hrtimer *hrtimer), TP_ARGS(hrtimer), TP_STRUCT__entry( __field( void *, hrtimer ) ), TP_fast_assign( __entry->hrtimer = hrtimer; ), TP_printk("hrtimer=%p", __entry->hrtimer) ); /** * hrtimer_expire_exit - called immediately after the hrtimer callback returns * @hrtimer: pointer to struct hrtimer * * When used in combination with the hrtimer_expire_entry tracepoint we can * determine the runtime of the callback function. */ DEFINE_EVENT(hrtimer_class, hrtimer_expire_exit, TP_PROTO(struct hrtimer *hrtimer), TP_ARGS(hrtimer) ); /** * hrtimer_cancel - called when the hrtimer is canceled * @hrtimer: pointer to struct hrtimer */ DEFINE_EVENT(hrtimer_class, hrtimer_cancel, TP_PROTO(struct hrtimer *hrtimer), TP_ARGS(hrtimer) ); /** * itimer_state - called when itimer is started or canceled * @which: name of the interval timer * @value: the itimers value, itimer is canceled if value->it_value is * zero, otherwise it is started * @expires: the itimers expiry time */ TRACE_EVENT(itimer_state, TP_PROTO(int which, const struct itimerval *const value, unsigned long long expires), TP_ARGS(which, value, expires), TP_STRUCT__entry( __field( int, which ) __field( unsigned long long, expires ) __field( long, value_sec ) __field( long, value_usec ) __field( long, interval_sec ) __field( long, interval_usec ) ), TP_fast_assign( __entry->which = which; __entry->expires = expires; __entry->value_sec = value->it_value.tv_sec; __entry->value_usec = value->it_value.tv_usec; __entry->interval_sec = value->it_interval.tv_sec; __entry->interval_usec = value->it_interval.tv_usec; ), TP_printk("which=%d expires=%llu it_value=%ld.%ld it_interval=%ld.%ld", __entry->which, __entry->expires, __entry->value_sec, __entry->value_usec, __entry->interval_sec, __entry->interval_usec) ); /** * itimer_expire - called when itimer expires * @which: type of the interval timer * @pid: pid of the process which owns the timer * @now: current time, used to calculate the latency of itimer */ TRACE_EVENT(itimer_expire, TP_PROTO(int which, struct pid *pid, unsigned long long now), TP_ARGS(which, pid, now), TP_STRUCT__entry( __field( int , which ) __field( pid_t, pid ) __field( unsigned long long, now ) ), TP_fast_assign( __entry->which = which; __entry->now = now; __entry->pid = pid_nr(pid); ), TP_printk("which=%d pid=%d now=%llu", __entry->which, (int) __entry->pid, __entry->now) ); #ifdef CONFIG_NO_HZ_COMMON #define TICK_DEP_NAMES \ tick_dep_mask_name(NONE) \ tick_dep_name(POSIX_TIMER) \ tick_dep_name(PERF_EVENTS) \ tick_dep_name(SCHED) \ tick_dep_name_end(CLOCK_UNSTABLE) #undef tick_dep_name #undef tick_dep_mask_name #undef tick_dep_name_end /* The MASK will convert to their bits and they need to be processed too */ #define tick_dep_name(sdep) TRACE_DEFINE_ENUM(TICK_DEP_BIT_##sdep); \ TRACE_DEFINE_ENUM(TICK_DEP_MASK_##sdep); #define tick_dep_name_end(sdep) TRACE_DEFINE_ENUM(TICK_DEP_BIT_##sdep); \ TRACE_DEFINE_ENUM(TICK_DEP_MASK_##sdep); /* NONE only has a mask defined for it */ #define tick_dep_mask_name(sdep) TRACE_DEFINE_ENUM(TICK_DEP_MASK_##sdep); TICK_DEP_NAMES #undef tick_dep_name #undef tick_dep_mask_name #undef tick_dep_name_end #define tick_dep_name(sdep) { TICK_DEP_MASK_##sdep, #sdep }, #define tick_dep_mask_name(sdep) { TICK_DEP_MASK_##sdep, #sdep }, #define tick_dep_name_end(sdep) { TICK_DEP_MASK_##sdep, #sdep } #define show_tick_dep_name(val) \ __print_symbolic(val, TICK_DEP_NAMES) TRACE_EVENT(tick_stop, TP_PROTO(int success, int dependency), TP_ARGS(success, dependency), TP_STRUCT__entry( __field( int , success ) __field( int , dependency ) ), TP_fast_assign( __entry->success = success; __entry->dependency = dependency; ), TP_printk("success=%d dependency=%s", __entry->success, \ show_tick_dep_name(__entry->dependency)) ); #endif #endif /* _TRACE_TIMER_H */ /* This part must be outside protection */ #include <trace/define_trace.h>
Name | Type | Size | Permission | Actions |
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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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