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From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Kevin Wolf" <kwolf@redhat.com>, "Fam Zheng" <fam@euphon.net>,
	qemu-block@nongnu.org, "Max Reitz" <mreitz@redhat.com>,
	"Keith Busch" <kbusch@kernel.org>,
	"Eric Auger" <eric.auger@redhat.com>,
	"Stefan Hajnoczi" <stefanha@redhat.com>,
	"Klaus Jensen" <its@irrelevant.dk>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>
Subject: [PATCH-for-5.2 v2 06/25] block/nvme: Improve nvme_free_req_queue_wait() trace information
Date: Thu, 29 Oct 2020 10:32:47 +0100	[thread overview]
Message-ID: <20201029093306.1063879-7-philmd@redhat.com> (raw)
In-Reply-To: <20201029093306.1063879-1-philmd@redhat.com>

What we want to trace is the block driver state and the queue index.

Suggested-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
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 --git a/block/nvme.c b/block/nvme.c
index 8d74401ae7a..29d2541b911 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -292,7 +292,7 @@ static NVMeRequest *nvme_get_free_req(NVMeQueuePair *q)
 
     while (q->free_req_head == -1) {
         if (qemu_in_coroutine()) {
-            trace_nvme_free_req_queue_wait(q);
+            trace_nvme_free_req_queue_wait(q->s, q->index);
             qemu_co_queue_wait(&q->free_req_queue, &q->lock);
         } else {
             qemu_mutex_unlock(&q->lock);
diff --git a/block/trace-events b/block/trace-events
index 86292f3312b..cc5e2b55cb5 100644
--- a/block/trace-events
+++ b/block/trace-events
@@ -154,7 +154,7 @@ nvme_rw_done(void *s, int is_write, uint64_t offset, uint64_t bytes, int ret) "s
 nvme_dsm(void *s, uint64_t offset, uint64_t bytes) "s %p offset 0x%"PRIx64" bytes %"PRId64""
 nvme_dsm_done(void *s, uint64_t offset, uint64_t bytes, int ret) "s %p offset 0x%"PRIx64" bytes %"PRId64" ret %d"
 nvme_dma_map_flush(void *s) "s %p"
-nvme_free_req_queue_wait(void *q) "q %p"
+nvme_free_req_queue_wait(void *s, unsigned q_index) "s %p q #%u"
 nvme_cmd_map_qiov(void *s, void *cmd, void *req, void *qiov, int entries) "s %p cmd %p req %p qiov %p entries %d"
 nvme_cmd_map_qiov_pages(void *s, int i, uint64_t page) "s %p page[%d] 0x%"PRIx64
 nvme_cmd_map_qiov_iov(void *s, int i, void *page, int pages) "s %p iov[%d] %p pages %d"
-- 
2.26.2



  parent reply	other threads:[~2020-10-29  9:37 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-29  9:32 [PATCH-for-5.2 v2 00/25] block/nvme: Fix Aarch64 or big-endian hosts Philippe Mathieu-Daudé
2020-10-29  9:32 ` [PATCH-for-5.2 v2 01/25] MAINTAINERS: Cover 'block/nvme.h' file Philippe Mathieu-Daudé
2020-10-29  9:32 ` [PATCH-for-5.2 v2 02/25] block/nvme: Use hex format to display offset in trace events Philippe Mathieu-Daudé
2020-10-29  9:32 ` [PATCH-for-5.2 v2 03/25] block/nvme: Report warning with warn_report() Philippe Mathieu-Daudé
2020-10-29  9:32 ` [PATCH-for-5.2 v2 04/25] block/nvme: Trace controller capabilities Philippe Mathieu-Daudé
2020-10-29  9:32 ` [PATCH-for-5.2 v2 05/25] block/nvme: Trace nvme_poll_queue() per queue Philippe Mathieu-Daudé
2020-10-29  9:32 ` Philippe Mathieu-Daudé [this message]
2020-10-29  9:32 ` [PATCH-for-5.2 v2 07/25] block/nvme: Trace queue pair creation/deletion Philippe Mathieu-Daudé
2020-10-29  9:32 ` [PATCH-for-5.2 v2 08/25] block/nvme: Move definitions before structure declarations Philippe Mathieu-Daudé
2020-10-29  9:32 ` [PATCH-for-5.2 v2 09/25] block/nvme: Use unsigned integer for queue counter/size Philippe Mathieu-Daudé
2020-10-29  9:32 ` [PATCH-for-5.2 v2 10/25] block/nvme: Make nvme_identify() return boolean indicating error Philippe Mathieu-Daudé
2020-10-30 14:03   ` Stefan Hajnoczi
2020-10-29  9:32 ` [PATCH-for-5.2 v2 11/25] block/nvme: Make nvme_init_queue() " Philippe Mathieu-Daudé
2020-10-29  9:32 ` [PATCH-for-5.2 v2 12/25] block/nvme: Introduce Completion Queue definitions Philippe Mathieu-Daudé
2020-10-30 14:03   ` Stefan Hajnoczi
2020-10-30 14:52     ` Philippe Mathieu-Daudé
2020-10-29  9:32 ` [PATCH-for-5.2 v2 13/25] block/nvme: Use definitions instead of magic values in add_io_queue() Philippe Mathieu-Daudé
2020-10-29  9:32 ` [PATCH-for-5.2 v2 14/25] block/nvme: Correctly initialize Admin Queue Attributes Philippe Mathieu-Daudé
2020-10-29  9:32 ` [PATCH-for-5.2 v2 15/25] block/nvme: Simplify ADMIN queue access Philippe Mathieu-Daudé
2020-10-29  9:32 ` [PATCH-for-5.2 v2 16/25] block/nvme: Simplify nvme_cmd_sync() Philippe Mathieu-Daudé
2020-10-30 14:25   ` Stefan Hajnoczi
2020-10-29  9:32 ` [PATCH-for-5.2 v2 17/25] block/nvme: Set request_alignment at initialization Philippe Mathieu-Daudé
2020-10-29  9:32 ` [PATCH-for-5.2 v2 18/25] block/nvme: Correct minimum device page size Philippe Mathieu-Daudé
2020-10-29  9:33 ` [PATCH-for-5.2 v2 19/25] block/nvme: Change size and alignment of IDENTIFY response buffer Philippe Mathieu-Daudé
2020-10-29  9:33 ` [PATCH-for-5.2 v2 20/25] block/nvme: Change size and alignment of queue Philippe Mathieu-Daudé
2020-10-29  9:33 ` [PATCH-for-5.2 v2 21/25] block/nvme: Change size and alignment of prp_list_pages Philippe Mathieu-Daudé
2020-10-29  9:33 ` [PATCH-for-5.2 v2 22/25] block/nvme: Align iov's va and size on host page size Philippe Mathieu-Daudé
2020-10-29  9:33 ` [PATCH-for-5.2 v2 23/25] block/nvme: Fix use of write-only doorbells page on Aarch64 arch Philippe Mathieu-Daudé
2020-10-29  9:33 ` [PATCH-for-5.2 v2 24/25] block/nvme: Fix nvme_submit_command() on big-endian host Philippe Mathieu-Daudé
2020-10-30 13:57   ` Stefan Hajnoczi
2020-10-29  9:33 ` [PATCH-for-6.0 v2 25/25] block/nvme: Simplify Completion Queue Command Identifier field use Philippe Mathieu-Daudé
2020-10-30 14:00   ` Stefan Hajnoczi
2020-10-30 14:53     ` Philippe Mathieu-Daudé
2020-11-03 17:14 ` [PATCH-for-5.2 v2 00/25] block/nvme: Fix Aarch64 or big-endian hosts Stefan Hajnoczi

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