Drop support for kernels < 3.0 from workqueue instrumentation
authorMichael Jeanson <mjeanson@efficios.com>
Thu, 8 Nov 2018 20:54:27 +0000 (15:54 -0500)
committerMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Thu, 8 Nov 2018 23:49:49 +0000 (18:49 -0500)
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
instrumentation/events/lttng-module/workqueue.h

index 07d6a53d2286c5df018359c9b7c4468d05acc897..e0ef9178d8b4e3347e582f4985554759eb0ae7c2 100644 (file)
@@ -9,8 +9,6 @@
 #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_
 
@@ -30,7 +28,6 @@ LTTNG_TRACEPOINT_EVENT_CLASS(workqueue_work,
        )
 )
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
 /**
  * workqueue_queue_work - called when a work gets queued
  * @req_cpu:   the requested cpu
@@ -76,7 +73,6 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue_work, workqueue_activate_work,
 
        TP_ARGS(work)
 )
-#endif
 
 /**
  * workqueue_execute_start - called immediately before the workqueue callback
@@ -109,63 +105,6 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue_work, workqueue_execute_end,
        TP_ARGS(work)
 )
 
-#else
-
-LTTNG_TRACEPOINT_EVENT_CLASS(workqueue,
-
-       TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),
-
-       TP_ARGS(wq_thread, work),
-
-       TP_FIELDS(
-               ctf_array(char, thread_comm, wq_thread->comm, TASK_COMM_LEN)
-               ctf_integer(pid_t, thread_pid, wq_thread->pid)
-               ctf_integer_hex(work_func_t, func, work->func)
-       )
-)
-
-LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue, workqueue_insertion,
-
-       TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),
-
-       TP_ARGS(wq_thread, work)
-)
-
-LTTNG_TRACEPOINT_EVENT_INSTANCE(workqueue, workqueue_execution,
-
-       TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),
-
-       TP_ARGS(wq_thread, work)
-)
-
-/* Trace the creation of one workqueue thread on a cpu */
-LTTNG_TRACEPOINT_EVENT(workqueue_creation,
-
-       TP_PROTO(struct task_struct *wq_thread, int cpu),
-
-       TP_ARGS(wq_thread, cpu),
-
-       TP_FIELDS(
-               ctf_array(char, thread_comm, wq_thread->comm, TASK_COMM_LEN)
-               ctf_integer(pid_t, thread_pid, wq_thread->pid)
-               ctf_integer(int, cpu, cpu)
-       )
-)
-
-LTTNG_TRACEPOINT_EVENT(workqueue_destruction,
-
-       TP_PROTO(struct task_struct *wq_thread),
-
-       TP_ARGS(wq_thread),
-
-       TP_FIELDS(
-               ctf_array(char, thread_comm, wq_thread->comm, TASK_COMM_LEN)
-               ctf_integer(pid_t, thread_pid, wq_thread->pid)
-       )
-)
-
-#endif
-
 #endif /*  LTTNG_TRACE_WORKQUEUE_H */
 
 /* This part must be outside protection */
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