diff mbox series

[02/15] block/nvme: Trace nvme_poll_queue() per queue

Message ID 20201014155810.102841-3-philmd@redhat.com
State Superseded
Headers show
Series block/nvme: Improve debugging experience and minor fixes | expand

Commit Message

Philippe Mathieu-Daudé Oct. 14, 2020, 3:57 p.m. UTC 
As we want to enable multiple queues, report the event
in each nvme_poll_queue() call, rather than once in
the callback calling nvme_poll_queues().

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 block/nvme.c       | 2 +-
 block/trace-events | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/block/nvme.c b/block/nvme.c
index a534c61b6b6..7c253eafa7f 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -585,6 +585,7 @@  static bool nvme_poll_queue(NVMeQueuePair *q)
     const size_t cqe_offset = q->cq.head * NVME_CQ_ENTRY_BYTES;
     NvmeCqe *cqe = (NvmeCqe *)&q->cq.queue[cqe_offset];
 
+    trace_nvme_poll_queue(q->s, q->index);
     /*
      * Do an early check for completions. q->lock isn't needed because
      * nvme_process_completion() only runs in the event loop thread and
@@ -633,7 +634,6 @@  static bool nvme_poll_cb(void *opaque)
     BDRVNVMeState *s = container_of(e, BDRVNVMeState,
                                     irq_notifier[MSIX_SHARED_IRQ_IDX]);
 
-    trace_nvme_poll_cb(s);
     return nvme_poll_queues(s);
 }
 
diff --git a/block/trace-events b/block/trace-events
index 0e351c3fa3d..fa50af6b6f3 100644
--- a/block/trace-events
+++ b/block/trace-events
@@ -143,7 +143,7 @@  nvme_complete_command(void *s, int index, int cid) "s %p queue %d cid %d"
 nvme_submit_command(void *s, int index, int cid) "s %p queue %d cid %d"
 nvme_submit_command_raw(int c0, int c1, int c2, int c3, int c4, int c5, int c6, int c7) "%02x %02x %02x %02x %02x %02x %02x %02x"
 nvme_handle_event(void *s) "s %p"
-nvme_poll_cb(void *s) "s %p"
+nvme_poll_queue(void *s, unsigned q_index) "s %p q #%u"
 nvme_prw_aligned(void *s, int is_write, uint64_t offset, uint64_t bytes, int flags, int niov) "s %p is_write %d offset %"PRId64" bytes %"PRId64" flags %d niov %d"
 nvme_write_zeroes(void *s, uint64_t offset, uint64_t bytes, int flags) "s %p offset %"PRId64" bytes %"PRId64" flags %d"
 nvme_qiov_unaligned(const void *qiov, int n, void *base, size_t size, int align) "qiov %p n %d base %p size 0x%zx align 0x%x"