+/* SPDX-License-Identifier: GPL-2.0-only */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM workqueue
-#if !defined(_TRACE_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ)
-#define _TRACE_WORKQUEUE_H
+#if !defined(LTTNG_TRACE_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define LTTNG_TRACE_WORKQUEUE_H
-#include <linux/tracepoint.h>
+#include <probes/lttng-tracepoint-event.h>
#include <linux/workqueue.h>
-#include <linux/version.h>
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
#ifndef _TRACE_WORKQUEUE_DEF_
#define _TRACE_WORKQUEUE_DEF_
struct worker;
struct global_cwq;
-/* Have to duplicate all these definitions from kernel/workqueue.c */
-/* Extracts only */
-
-enum {
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
- NR_WORKER_POOLS = 2, /* # worker pools per gcwq */
#endif
- BUSY_WORKER_HASH_ORDER = 6, /* 64 pointers */
- BUSY_WORKER_HASH_SIZE = 1 << BUSY_WORKER_HASH_ORDER,
-};
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
-struct worker_pool {
- struct global_cwq *gcwq; /* I: the owning gcwq */
- unsigned int flags; /* X: flags */
-
- struct list_head worklist; /* L: list of pending works */
- int nr_workers; /* L: total number of workers */
- int nr_idle; /* L: currently idle ones */
-
- struct list_head idle_list; /* X: list of idle workers */
- struct timer_list idle_timer; /* L: worker idle timeout */
- struct timer_list mayday_timer; /* L: SOS timer for workers */
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,7,0))
- struct mutex assoc_mutex; /* protect GCWQ_DISASSOCUATED */
-#else
- struct mutex manager_mutex; /* mutex manager should hold */
-#endif
- struct ida worker_ida; /* L: for worker IDs */
-};
-
-struct global_cwq {
- spinlock_t lock; /* the gcwq lock */
- unsigned int cpu; /* I: the associated cpu */
- unsigned int flags; /* L: GCWQ_* flags */
-
- /* workers are chained either in busy_hash or pool idle_list */
- struct hlist_head busy_hash[BUSY_WORKER_HASH_SIZE];
- /* L: hash of busy workers */
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,7,0))
- struct worker_pool pools[NR_WORKER_POOLS];
- /* normal and highpri pools */
-#else
- struct worker_pool pools[2]; /* normal and highpri pools */
-
- wait_queue_head_t rebind_hold; /* rebind hold wait */
-#endif
-} ____cacheline_aligned_in_smp;
-
-#else
-
-struct global_cwq {
- spinlock_t lock; /* the gcwq lock */
- struct list_head worklist; /* L: list of pending works */
- unsigned int cpu; /* I: the associated cpu */
- unsigned int flags; /* L: GCWQ_* flags */
-
- int nr_workers; /* L: total number of workers */
- int nr_idle; /* L: currently idle ones */
-
- /* workers are chained either in the idle_list or busy_hash */
- struct list_head idle_list; /* X: list of idle workers */
- struct hlist_head busy_hash[BUSY_WORKER_HASH_SIZE];
- /* L: hash of busy workers */
-
- struct timer_list idle_timer; /* L: worker idle timeout */
- struct timer_list mayday_timer; /* L: SOS timer for dworkers */
- struct ida worker_ida; /* L: for worker IDs */
-
- struct task_struct *trustee; /* L: for gcwq shutdown */
- unsigned int trustee_state; /* L: trustee state */
- wait_queue_head_t trustee_wait; /* trustee wait */
- struct worker *first_idle; /* L: first idle worker */
-} ____cacheline_aligned_in_smp;
-
-#endif
-
-struct cpu_workqueue_struct {
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
- struct worker_pool *pool; /* I: The associated pool */
-#else
- struct global_cwq *gcwq; /* I: the associated gcwq */
-#endif
- struct workqueue_struct *wq; /* I: the owning workqueue */
- int work_color; /* L: current color */
- int flush_color; /* L: flushing color */
- int nr_in_flight[WORK_NR_COLORS];
- /* L: nr of in_flight works */
- int nr_active; /* L: nr of active works */
- int max_active; /* L: max active works */
- struct list_head delayed_works; /* L: delayed works */
-};
-
-#endif
-
-DECLARE_EVENT_CLASS(workqueue_work,
+LTTNG_TRACEPOINT_EVENT_CLASS(workqueue_work,
TP_PROTO(struct work_struct *work),
TP_ARGS(work),
- TP_STRUCT__entry(
- __field( void *, work )
- ),
-
- TP_fast_assign(
- tp_assign(work, work)
- ),
-
- TP_printk("work struct %p", __entry->work)
+ TP_FIELDS(
+ ctf_integer_hex(void *, work, work)
+ )
)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
/**
* workqueue_queue_work - called when a work gets queued
* @req_cpu: the requested cpu
* delayed work is actually queued on a workqueue (ie: once the delay
* has been reached).
*/
-TRACE_EVENT(workqueue_queue_work,
+LTTNG_TRACEPOINT_EVENT(workqueue_queue_work,
- TP_PROTO(unsigned int req_cpu, struct cpu_workqueue_struct *cwq,
+ TP_PROTO(unsigned int req_cpu, struct pool_workqueue *pwq,
struct work_struct *work),
- TP_ARGS(req_cpu, cwq, work),
-
- TP_STRUCT__entry(
- __field( void *, work )
- __field( void *, function)
- __field( void *, workqueue)
- __field( unsigned int, req_cpu )
- __field( unsigned int, cpu )
- ),
-
- TP_fast_assign(
- tp_assign(work, work)
- tp_assign(function, work->func)
- tp_assign(workqueue, cwq->wq)
- tp_assign(req_cpu, req_cpu)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
- tp_assign(cpu, cwq->pool->gcwq->cpu)
-#else
- tp_assign(cpu, cwq->gcwq->cpu)
-#endif
- ),
+ TP_ARGS(req_cpu, pwq, work),
- TP_printk("work struct=%p function=%pf workqueue=%p req_cpu=%u cpu=%u",
- __entry->work, __entry->function, __entry->workqueue,
- __entry->req_cpu, __entry->cpu)
+ TP_FIELDS(
+ ctf_integer_hex(void *, work, work)
+ ctf_integer_hex(void *, function, work->func)
+ ctf_integer(unsigned int, req_cpu, req_cpu)
+ )
)
/**
* which happens immediately after queueing unless @max_active limit
* is reached.
*/
-DEFINE_EVENT(workqueue_work, workqueue_activate_work,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue_work, workqueue_activate_work,
TP_PROTO(struct work_struct *work),
TP_ARGS(work)
)
-#endif
/**
* workqueue_execute_start - called immediately before the workqueue callback
*
* Allows to track workqueue execution.
*/
-TRACE_EVENT(workqueue_execute_start,
+LTTNG_TRACEPOINT_EVENT(workqueue_execute_start,
TP_PROTO(struct work_struct *work),
TP_ARGS(work),
- TP_STRUCT__entry(
- __field( void *, work )
- __field( void *, function)
- ),
-
- TP_fast_assign(
- tp_assign(work, work)
- tp_assign(function, work->func)
- ),
-
- TP_printk("work struct %p: function %pf", __entry->work, __entry->function)
+ TP_FIELDS(
+ ctf_integer_hex(void *, work, work)
+ ctf_integer_hex(void *, function, work->func)
+ )
)
/**
* workqueue_execute_end - called immediately after the workqueue callback
* @work: pointer to struct work_struct
+ * @function: pointer to worker function
*
* Allows to track workqueue execution.
*/
-DEFINE_EVENT(workqueue_work, workqueue_execute_end,
+LTTNG_TRACEPOINT_EVENT(workqueue_execute_end,
- TP_PROTO(struct work_struct *work),
-
- TP_ARGS(work)
-)
-
-#else
-
-DECLARE_EVENT_CLASS(workqueue,
-
- TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),
-
- TP_ARGS(wq_thread, work),
-
- TP_STRUCT__entry(
- __array(char, thread_comm, TASK_COMM_LEN)
- __field(pid_t, thread_pid)
- __field(work_func_t, func)
- ),
-
- TP_fast_assign(
- tp_memcpy(thread_comm, wq_thread->comm, TASK_COMM_LEN)
- tp_assign(thread_pid, wq_thread->pid)
- tp_assign(func, work->func)
- ),
-
- TP_printk("thread=%s:%d func=%pf", __entry->thread_comm,
- __entry->thread_pid, __entry->func)
-)
-
-DEFINE_EVENT(workqueue, workqueue_insertion,
-
- TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),
-
- TP_ARGS(wq_thread, work)
-)
-
-DEFINE_EVENT(workqueue, workqueue_execution,
+ TP_PROTO(struct work_struct *work, work_func_t function),
- TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),
+ TP_ARGS(work, function),
- TP_ARGS(wq_thread, work)
+ TP_FIELDS(
+ ctf_integer_hex(void *, work, work)
+ ctf_integer_hex(void *, function, function)
+ )
)
-/* Trace the creation of one workqueue thread on a cpu */
-TRACE_EVENT(workqueue_creation,
-
- TP_PROTO(struct task_struct *wq_thread, int cpu),
-
- TP_ARGS(wq_thread, cpu),
-
- TP_STRUCT__entry(
- __array(char, thread_comm, TASK_COMM_LEN)
- __field(pid_t, thread_pid)
- __field(int, cpu)
- ),
-
- TP_fast_assign(
- tp_memcpy(thread_comm, wq_thread->comm, TASK_COMM_LEN)
- tp_assign(thread_pid, wq_thread->pid)
- tp_assign(cpu, cpu)
- ),
-
- TP_printk("thread=%s:%d cpu=%d", __entry->thread_comm,
- __entry->thread_pid, __entry->cpu)
-)
-
-TRACE_EVENT(workqueue_destruction,
-
- TP_PROTO(struct task_struct *wq_thread),
-
- TP_ARGS(wq_thread),
-
- TP_STRUCT__entry(
- __array(char, thread_comm, TASK_COMM_LEN)
- __field(pid_t, thread_pid)
- ),
-
- TP_fast_assign(
- tp_memcpy(thread_comm, wq_thread->comm, TASK_COMM_LEN)
- tp_assign(thread_pid, wq_thread->pid)
- ),
-
- TP_printk("thread=%s:%d", __entry->thread_comm, __entry->thread_pid)
-)
-
-#endif
-
-#endif /* _TRACE_WORKQUEUE_H */
+#endif /* LTTNG_TRACE_WORKQUEUE_H */
/* This part must be outside protection */
-#include "../../../probes/define_trace.h"
+#include <probes/define_trace.h>
projects / lttng-modules.git / blobdiff