diff options
| author | Lars Ellenberg <lars.ellenberg@linbit.com> | 2014-05-06 15:02:05 +0200 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2014-07-10 18:35:18 +0200 |
| commit | 944410e97cfcec38369eeb5f77d0e8da91d68afb (patch) | |
| tree | 486f49038fa17542d14cda8028a9b122cf1df94a /drivers/block/drbd/drbd_receiver.c | |
| parent | f418815f7adad4917e92e9d11fdc1ca21cd616a1 (diff) | |
drbd: debugfs: add callback_history
Add a per-connection worker thread callback_history
with timing details, call site and callback function.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_receiver.c')
| -rw-r--r-- | drivers/block/drbd/drbd_receiver.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 9f6ed240e075..f972988291c5 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -2682,9 +2682,11 @@ static int receive_DataRequest(struct drbd_connection *connection, struct packet list_add_tail(&peer_req->w.list, &device->read_ee); spin_unlock_irq(&device->resource->req_lock); + update_receiver_timing_details(connection, drbd_rs_should_slow_down); if (device->state.peer != R_PRIMARY && drbd_rs_should_slow_down(device, sector, false)) schedule_timeout_uninterruptible(HZ/10); + update_receiver_timing_details(connection, drbd_rs_begin_io); if (drbd_rs_begin_io(device, sector)) goto out_free_e; @@ -2692,6 +2694,7 @@ submit_for_resync: atomic_add(size >> 9, &device->rs_sect_ev); submit: + update_receiver_timing_details(connection, drbd_submit_peer_request); inc_unacked(device); if (drbd_submit_peer_request(device, peer_req, READ, fault_type) == 0) return 0; @@ -4601,6 +4604,7 @@ static void drbdd(struct drbd_connection *connection) struct data_cmd *cmd; drbd_thread_current_set_cpu(&connection->receiver); + update_receiver_timing_details(connection, drbd_recv_header); if (drbd_recv_header(connection, &pi)) goto err_out; @@ -4619,12 +4623,14 @@ static void drbdd(struct drbd_connection *connection) } if (shs) { + update_receiver_timing_details(connection, drbd_recv_all_warn); err = drbd_recv_all_warn(connection, pi.data, shs); if (err) goto err_out; pi.size -= shs; } + update_receiver_timing_details(connection, cmd->fn); err = cmd->fn(connection, &pi); if (err) { drbd_err(connection, "error receiving %s, e: %d l: %d!\n", |