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-rw-r--r--drivers/connector/cn_proc.c20
-rw-r--r--include/linux/cn_proc.h3
2 files changed, 17 insertions, 6 deletions
diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c
index 498aa37..3ece692 100644
--- a/drivers/connector/cn_proc.c
+++ b/drivers/connector/cn_proc.c
@@ -51,6 +51,7 @@ void proc_fork_connector(struct task_struct *task)
struct cn_msg *msg;
struct proc_event *ev;
__u8 buffer[CN_PROC_MSG_SIZE];
+ struct timespec ts;
if (atomic_read(&proc_event_num_listeners) < 1)
return;
@@ -58,7 +59,8 @@ void proc_fork_connector(struct task_struct *task)
msg = (struct cn_msg*)buffer;
ev = (struct proc_event*)msg->data;
get_seq(&msg->seq, &ev->cpu);
- ktime_get_ts(&ev->timestamp); /* get high res monotonic timestamp */
+ ktime_get_ts(&ts); /* get high res monotonic timestamp */
+ ev->timestamp_ns = timespec_to_ns(&ts);
ev->what = PROC_EVENT_FORK;
ev->event_data.fork.parent_pid = task->real_parent->pid;
ev->event_data.fork.parent_tgid = task->real_parent->tgid;
@@ -76,6 +78,7 @@ void proc_exec_connector(struct task_struct *task)
{
struct cn_msg *msg;
struct proc_event *ev;
+ struct timespec ts;
__u8 buffer[CN_PROC_MSG_SIZE];
if (atomic_read(&proc_event_num_listeners) < 1)
@@ -84,7 +87,8 @@ void proc_exec_connector(struct task_struct *task)
msg = (struct cn_msg*)buffer;
ev = (struct proc_event*)msg->data;
get_seq(&msg->seq, &ev->cpu);
- ktime_get_ts(&ev->timestamp);
+ ktime_get_ts(&ts); /* get high res monotonic timestamp */
+ ev->timestamp_ns = timespec_to_ns(&ts);
ev->what = PROC_EVENT_EXEC;
ev->event_data.exec.process_pid = task->pid;
ev->event_data.exec.process_tgid = task->tgid;
@@ -100,6 +104,7 @@ void proc_id_connector(struct task_struct *task, int which_id)
struct cn_msg *msg;
struct proc_event *ev;
__u8 buffer[CN_PROC_MSG_SIZE];
+ struct timespec ts;
if (atomic_read(&proc_event_num_listeners) < 1)
return;
@@ -118,7 +123,8 @@ void proc_id_connector(struct task_struct *task, int which_id)
} else
return;
get_seq(&msg->seq, &ev->cpu);
- ktime_get_ts(&ev->timestamp);
+ ktime_get_ts(&ts); /* get high res monotonic timestamp */
+ ev->timestamp_ns = timespec_to_ns(&ts);
memcpy(&msg->id, &cn_proc_event_id, sizeof(msg->id));
msg->ack = 0; /* not used */
@@ -131,6 +137,7 @@ void proc_exit_connector(struct task_struct *task)
struct cn_msg *msg;
struct proc_event *ev;
__u8 buffer[CN_PROC_MSG_SIZE];
+ struct timespec ts;
if (atomic_read(&proc_event_num_listeners) < 1)
return;
@@ -138,7 +145,8 @@ void proc_exit_connector(struct task_struct *task)
msg = (struct cn_msg*)buffer;
ev = (struct proc_event*)msg->data;
get_seq(&msg->seq, &ev->cpu);
- ktime_get_ts(&ev->timestamp);
+ ktime_get_ts(&ts); /* get high res monotonic timestamp */
+ ev->timestamp_ns = timespec_to_ns(&ts);
ev->what = PROC_EVENT_EXIT;
ev->event_data.exit.process_pid = task->pid;
ev->event_data.exit.process_tgid = task->tgid;
@@ -164,6 +172,7 @@ static void cn_proc_ack(int err, int rcvd_seq, int rcvd_ack)
struct cn_msg *msg;
struct proc_event *ev;
__u8 buffer[CN_PROC_MSG_SIZE];
+ struct timespec ts;
if (atomic_read(&proc_event_num_listeners) < 1)
return;
@@ -171,7 +180,8 @@ static void cn_proc_ack(int err, int rcvd_seq, int rcvd_ack)
msg = (struct cn_msg*)buffer;
ev = (struct proc_event*)msg->data;
msg->seq = rcvd_seq;
- ktime_get_ts(&ev->timestamp);
+ ktime_get_ts(&ts); /* get high res monotonic timestamp */
+ ev->timestamp_ns = timespec_to_ns(&ts);
ev->cpu = -1;
ev->what = PROC_EVENT_NONE;
ev->event_data.ack.err = err;
diff --git a/include/linux/cn_proc.h b/include/linux/cn_proc.h
index dbb7769..1c86d65 100644
--- a/include/linux/cn_proc.h
+++ b/include/linux/cn_proc.h
@@ -57,7 +57,8 @@ struct proc_event {
PROC_EVENT_EXIT = 0x80000000
} what;
__u32 cpu;
- struct timespec timestamp;
+ __u64 __attribute__((aligned(8))) timestamp_ns;
+ /* Number of nano seconds since system boot */
union { /* must be last field of proc_event struct */
struct {
__u32 err;