| | 1 | #undef TRACE_SYSTEM |
| | 2 | #define TRACE_SYSTEM workqueue |
| | 3 | |
| | 4 | #if !defined(LTTNG_TRACE_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ) |
| | 5 | #define LTTNG_TRACE_WORKQUEUE_H |
| | 6 | |
| | 7 | #include <probes/lttng-tracepoint-event.h> |
| | 8 | #include <linux/workqueue.h> |
| | 9 | #include <linux/version.h> |
| | 10 | |
| | 11 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)) |
| | 12 | |
| | 13 | #ifndef _TRACE_WORKQUEUE_DEF_ |
| | 14 | #define _TRACE_WORKQUEUE_DEF_ |
| | 15 | |
| | 16 | struct worker; |
| | 17 | struct global_cwq; |
| | 18 | |
| | 19 | #endif |
| | 20 | |
| | 21 | LTTNG_TRACEPOINT_EVENT_CLASS(workqueue_work, |
| | 22 | |
| | 23 | TP_PROTO(struct work_struct *work), |
| | 24 | |
| | 25 | TP_ARGS(work), |
| | 26 | |
| | 27 | TP_FIELDS( |
| | 28 | ctf_integer_hex(void *, work, work) |
| | 29 | ) |
| | 30 | ) |
| | 31 | |
| | 32 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) |
| | 33 | /** |
| | 34 | * workqueue_queue_work - called when a work gets queued |
| | 35 | * @req_cpu: the requested cpu |
| | 36 | * @cwq: pointer to struct cpu_workqueue_struct |
| | 37 | * @work: pointer to struct work_struct |
| | 38 | * |
| | 39 | * This event occurs when a work is queued immediately or once a |
| | 40 | * delayed work is actually queued on a workqueue (ie: once the delay |
| | 41 | * has been reached). |
| | 42 | */ |
| | 43 | LTTNG_TRACEPOINT_EVENT(workqueue_queue_work, |
| | 44 | |
| | 45 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
| | 46 | TP_PROTO(unsigned int req_cpu, struct pool_workqueue *pwq, |
| | 47 | struct work_struct *work), |
| | 48 | |
| | 49 | TP_ARGS(req_cpu, pwq, work), |
| | 50 | #else |
| | 51 | TP_PROTO(unsigned int req_cpu, struct cpu_workqueue_struct *cwq, |
| | 52 | struct work_struct *work), |
| | 53 | |
| | 54 | TP_ARGS(req_cpu, cwq, work), |
| | 55 | #endif |
| | 56 | |
| | 57 | TP_FIELDS( |
| | 58 | ctf_integer_hex(void *, work, work) |
| | 59 | ctf_integer_hex(void *, function, work->func) |
| | 60 | ctf_integer(unsigned int, req_cpu, req_cpu) |
| | 61 | ) |
| | 62 | ) |
| | 63 | |
| | 64 | /** |
| | 65 | * workqueue_activate_work - called when a work gets activated |
| | 66 | * @work: pointer to struct work_struct |
| | 67 | * |
| | 68 | * This event occurs when a queued work is put on the active queue, |
| | 69 | * which happens immediately after queueing unless @max_active limit |
| | 70 | * is reached. |
| | 71 | */ |
| | 72 | LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue_work, workqueue_activate_work, |
| | 73 | |
| | 74 | TP_PROTO(struct work_struct *work), |
| | 75 | |
| | 76 | TP_ARGS(work) |
| | 77 | ) |
| | 78 | #endif |
| | 79 | |
| | 80 | /** |
| | 81 | * workqueue_execute_start - called immediately before the workqueue callback |
| | 82 | * @work: pointer to struct work_struct |
| | 83 | * |
| | 84 | * Allows to track workqueue execution. |
| | 85 | */ |
| | 86 | LTTNG_TRACEPOINT_EVENT(workqueue_execute_start, |
| | 87 | |
| | 88 | TP_PROTO(struct work_struct *work), |
| | 89 | |
| | 90 | TP_ARGS(work), |
| | 91 | |
| | 92 | TP_FIELDS( |
| | 93 | ctf_integer_hex(void *, work, work) |
| | 94 | ctf_integer_hex(void *, function, work->func) |
| | 95 | ) |
| | 96 | ) |
| | 97 | |
| | 98 | /** |
| | 99 | * workqueue_execute_end - called immediately after the workqueue callback |
| | 100 | * @work: pointer to struct work_struct |
| | 101 | * |
| | 102 | * Allows to track workqueue execution. |
| | 103 | */ |
| | 104 | LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue_work, workqueue_execute_end, |
| | 105 | |
| | 106 | TP_PROTO(struct work_struct *work), |
| | 107 | |
| | 108 | TP_ARGS(work) |
| | 109 | ) |
| | 110 | |
| | 111 | #else |
| | 112 | |
| | 113 | LTTNG_TRACEPOINT_EVENT_CLASS(workqueue, |
| | 114 | |
| | 115 | TP_PROTO(struct task_struct *wq_thread, struct work_struct *work), |
| | 116 | |
| | 117 | TP_ARGS(wq_thread, work), |
| | 118 | |
| | 119 | TP_FIELDS( |
| | 120 | ctf_array(char, thread_comm, wq_thread->comm, TASK_COMM_LEN) |
| | 121 | ctf_integer(pid_t, thread_pid, wq_thread->pid) |
| | 122 | ctf_integer_hex(work_func_t, func, work->func) |
| | 123 | ) |
| | 124 | ) |
| | 125 | |
| | 126 | LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue, workqueue_insertion, |
| | 127 | |
| | 128 | TP_PROTO(struct task_struct *wq_thread, struct work_struct *work), |
| | 129 | |
| | 130 | TP_ARGS(wq_thread, work) |
| | 131 | ) |
| | 132 | |
| | 133 | LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue, workqueue_execution, |
| | 134 | |
| | 135 | TP_PROTO(struct task_struct *wq_thread, struct work_struct *work), |
| | 136 | |
| | 137 | TP_ARGS(wq_thread, work) |
| | 138 | ) |
| | 139 | |
| | 140 | /* Trace the creation of one workqueue thread on a cpu */ |
| | 141 | LTTNG_TRACEPOINT_EVENT(workqueue_creation, |
| | 142 | |
| | 143 | TP_PROTO(struct task_struct *wq_thread, int cpu), |
| | 144 | |
| | 145 | TP_ARGS(wq_thread, cpu), |
| | 146 | |
| | 147 | TP_FIELDS( |
| | 148 | ctf_array(char, thread_comm, wq_thread->comm, TASK_COMM_LEN) |
| | 149 | ctf_integer(pid_t, thread_pid, wq_thread->pid) |
| | 150 | ctf_integer(int, cpu, cpu) |
| | 151 | ) |
| | 152 | ) |
| | 153 | |
| | 154 | LTTNG_TRACEPOINT_EVENT(workqueue_destruction, |
| | 155 | |
| | 156 | TP_PROTO(struct task_struct *wq_thread), |
| | 157 | |
| | 158 | TP_ARGS(wq_thread), |
| | 159 | |
| | 160 | TP_FIELDS( |
| | 161 | ctf_array(char, thread_comm, wq_thread->comm, TASK_COMM_LEN) |
| | 162 | ctf_integer(pid_t, thread_pid, wq_thread->pid) |
| | 163 | ) |
| | 164 | ) |
| | 165 | |
| | 166 | #endif |
| | 167 | |
| | 168 | #endif /* LTTNG_TRACE_WORKQUEUE_H */ |
| | 169 | |
| | 170 | /* This part must be outside protection */ |
| | 171 | #include <probes/define_trace.h> |
projects / lttng-modules.git / blame_incremental