Replace the ever recurring: ts = ktime_get_ts(); ns = timespec_to_ns(&ts); with ns = ktime_get_ns(); Signed-off-by: Thomas Gleixner Cc: Evgeniy Polyakov --- drivers/connector/cn_proc.c | 36 +++++++++--------------------------- 1 file changed, 9 insertions(+), 27 deletions(-) Index: tip/drivers/connector/cn_proc.c =================================================================== --- tip.orig/drivers/connector/cn_proc.c +++ tip/drivers/connector/cn_proc.c @@ -69,7 +69,6 @@ void proc_fork_connector(struct task_str struct cn_msg *msg; struct proc_event *ev; __u8 buffer[CN_PROC_MSG_SIZE] __aligned(8); - struct timespec ts; struct task_struct *parent; if (atomic_read(&proc_event_num_listeners) < 1) @@ -79,8 +78,7 @@ void proc_fork_connector(struct task_str ev = (struct proc_event *)msg->data; memset(&ev->event_data, 0, sizeof(ev->event_data)); get_seq(&msg->seq, &ev->cpu); - ktime_get_ts(&ts); /* get high res monotonic timestamp */ - ev->timestamp_ns = timespec_to_ns(&ts); + ev->timestamp_ns = ktime_get_ns(); ev->what = PROC_EVENT_FORK; rcu_read_lock(); parent = rcu_dereference(task->real_parent); @@ -102,7 +100,6 @@ void proc_exec_connector(struct task_str { struct cn_msg *msg; struct proc_event *ev; - struct timespec ts; __u8 buffer[CN_PROC_MSG_SIZE] __aligned(8); if (atomic_read(&proc_event_num_listeners) < 1) @@ -112,8 +109,7 @@ void proc_exec_connector(struct task_str ev = (struct proc_event *)msg->data; memset(&ev->event_data, 0, sizeof(ev->event_data)); get_seq(&msg->seq, &ev->cpu); - ktime_get_ts(&ts); /* get high res monotonic timestamp */ - ev->timestamp_ns = timespec_to_ns(&ts); + ev->timestamp_ns = ktime_get_ns(); ev->what = PROC_EVENT_EXEC; ev->event_data.exec.process_pid = task->pid; ev->event_data.exec.process_tgid = task->tgid; @@ -130,7 +126,6 @@ void proc_id_connector(struct task_struc struct cn_msg *msg; struct proc_event *ev; __u8 buffer[CN_PROC_MSG_SIZE] __aligned(8); - struct timespec ts; const struct cred *cred; if (atomic_read(&proc_event_num_listeners) < 1) @@ -156,8 +151,7 @@ void proc_id_connector(struct task_struc } rcu_read_unlock(); get_seq(&msg->seq, &ev->cpu); - ktime_get_ts(&ts); /* get high res monotonic timestamp */ - ev->timestamp_ns = timespec_to_ns(&ts); + ev->timestamp_ns = ktime_get_ns(); memcpy(&msg->id, &cn_proc_event_id, sizeof(msg->id)); msg->ack = 0; /* not used */ @@ -170,7 +164,6 @@ void proc_sid_connector(struct task_stru { struct cn_msg *msg; struct proc_event *ev; - struct timespec ts; __u8 buffer[CN_PROC_MSG_SIZE] __aligned(8); if (atomic_read(&proc_event_num_listeners) < 1) @@ -180,8 +173,7 @@ void proc_sid_connector(struct task_stru ev = (struct proc_event *)msg->data; memset(&ev->event_data, 0, sizeof(ev->event_data)); get_seq(&msg->seq, &ev->cpu); - ktime_get_ts(&ts); /* get high res monotonic timestamp */ - ev->timestamp_ns = timespec_to_ns(&ts); + ev->timestamp_ns = ktime_get_ns(); ev->what = PROC_EVENT_SID; ev->event_data.sid.process_pid = task->pid; ev->event_data.sid.process_tgid = task->tgid; @@ -197,7 +189,6 @@ void proc_ptrace_connector(struct task_s { struct cn_msg *msg; struct proc_event *ev; - struct timespec ts; __u8 buffer[CN_PROC_MSG_SIZE] __aligned(8); if (atomic_read(&proc_event_num_listeners) < 1) @@ -207,8 +198,7 @@ void proc_ptrace_connector(struct task_s ev = (struct proc_event *)msg->data; memset(&ev->event_data, 0, sizeof(ev->event_data)); get_seq(&msg->seq, &ev->cpu); - ktime_get_ts(&ts); /* get high res monotonic timestamp */ - ev->timestamp_ns = timespec_to_ns(&ts); + ev->timestamp_ns = ktime_get_ns(); ev->what = PROC_EVENT_PTRACE; ev->event_data.ptrace.process_pid = task->pid; ev->event_data.ptrace.process_tgid = task->tgid; @@ -232,7 +222,6 @@ void proc_comm_connector(struct task_str { struct cn_msg *msg; struct proc_event *ev; - struct timespec ts; __u8 buffer[CN_PROC_MSG_SIZE] __aligned(8); if (atomic_read(&proc_event_num_listeners) < 1) @@ -242,8 +231,7 @@ void proc_comm_connector(struct task_str ev = (struct proc_event *)msg->data; memset(&ev->event_data, 0, sizeof(ev->event_data)); get_seq(&msg->seq, &ev->cpu); - ktime_get_ts(&ts); /* get high res monotonic timestamp */ - ev->timestamp_ns = timespec_to_ns(&ts); + ev->timestamp_ns = ktime_get_ns(); ev->what = PROC_EVENT_COMM; ev->event_data.comm.process_pid = task->pid; ev->event_data.comm.process_tgid = task->tgid; @@ -261,7 +249,6 @@ void proc_coredump_connector(struct task struct cn_msg *msg; struct proc_event *ev; __u8 buffer[CN_PROC_MSG_SIZE] __aligned(8); - struct timespec ts; if (atomic_read(&proc_event_num_listeners) < 1) return; @@ -270,8 +257,7 @@ void proc_coredump_connector(struct task ev = (struct proc_event *)msg->data; memset(&ev->event_data, 0, sizeof(ev->event_data)); get_seq(&msg->seq, &ev->cpu); - ktime_get_ts(&ts); /* get high res monotonic timestamp */ - ev->timestamp_ns = timespec_to_ns(&ts); + ev->timestamp_ns = ktime_get_ns(); ev->what = PROC_EVENT_COREDUMP; ev->event_data.coredump.process_pid = task->pid; ev->event_data.coredump.process_tgid = task->tgid; @@ -288,7 +274,6 @@ void proc_exit_connector(struct task_str struct cn_msg *msg; struct proc_event *ev; __u8 buffer[CN_PROC_MSG_SIZE] __aligned(8); - struct timespec ts; if (atomic_read(&proc_event_num_listeners) < 1) return; @@ -297,8 +282,7 @@ void proc_exit_connector(struct task_str ev = (struct proc_event *)msg->data; memset(&ev->event_data, 0, sizeof(ev->event_data)); get_seq(&msg->seq, &ev->cpu); - ktime_get_ts(&ts); /* get high res monotonic timestamp */ - ev->timestamp_ns = timespec_to_ns(&ts); + ev->timestamp_ns = ktime_get_ns(); ev->what = PROC_EVENT_EXIT; ev->event_data.exit.process_pid = task->pid; ev->event_data.exit.process_tgid = task->tgid; @@ -325,7 +309,6 @@ static void cn_proc_ack(int err, int rcv struct cn_msg *msg; struct proc_event *ev; __u8 buffer[CN_PROC_MSG_SIZE] __aligned(8); - struct timespec ts; if (atomic_read(&proc_event_num_listeners) < 1) return; @@ -334,8 +317,7 @@ static void cn_proc_ack(int err, int rcv ev = (struct proc_event *)msg->data; memset(&ev->event_data, 0, sizeof(ev->event_data)); msg->seq = rcvd_seq; - ktime_get_ts(&ts); /* get high res monotonic timestamp */ - ev->timestamp_ns = timespec_to_ns(&ts); + ev->timestamp_ns = ktime_get_ns(); ev->cpu = -1; ev->what = PROC_EVENT_NONE; ev->event_data.ack.err = err; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/