summaryrefslogtreecommitdiff
path: root/drivers/nvme/host/trace.c
diff options
context:
space:
mode:
authorTom Wu <tomwu@mellanox.com>2019-07-04 13:19:54 +0300
committerChristoph Hellwig <hch@lst.de>2019-07-10 00:15:37 +0300
commit4c0181bf6cc81716102308dc47779ad1f5aeded2 (patch)
treedef3548117fcbef9b99997aa928a2bb04cd1031b /drivers/nvme/host/trace.c
parent91f6d7985310a5dc420066004142c54da2c627d8 (diff)
downloadlinux-4c0181bf6cc81716102308dc47779ad1f5aeded2.tar.xz
nvme-trace: add delete completion and submission queue to admin cmds tracer
The trace log for 'delete I/O submission queue' and 'delete I/O completion queue' command will look like as below: kworker/u49:1-3438 [003] .... 6693.070865: nvme_setup_cmd: nvme0: qid=0, cmdid=11, nsid=0, flags=0x0, meta=0x0, cmd=(nvme_admin_delete_sq sqid=1) kworker/u49:1-3438 [003] .... 6693.071171: nvme_setup_cmd: nvme0: qid=0, cmdid=8, nsid=0, flags=0x0, meta=0x0, cmd=(nvme_admin_delete_cq cqid=24) Signed-off-by: Tom Wu <tomwu@mellanox.com> Reviewed-by: Max Gurtovoy <maxg@mellanox.com> Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com> Reviewed-by: Israel Rukshin <israelr@mellanox.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme/host/trace.c')
-rw-r--r--drivers/nvme/host/trace.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/nvme/host/trace.c b/drivers/nvme/host/trace.c
index 6980ab827233..9778eb0406b3 100644
--- a/drivers/nvme/host/trace.c
+++ b/drivers/nvme/host/trace.c
@@ -7,6 +7,17 @@
#include <asm/unaligned.h>
#include "trace.h"
+static const char *nvme_trace_delete_sq(struct trace_seq *p, u8 *cdw10)
+{
+ const char *ret = trace_seq_buffer_ptr(p);
+ u16 sqid = get_unaligned_le16(cdw10);
+
+ trace_seq_printf(p, "sqid=%u", sqid);
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
static const char *nvme_trace_create_sq(struct trace_seq *p, u8 *cdw10)
{
const char *ret = trace_seq_buffer_ptr(p);
@@ -23,6 +34,17 @@ static const char *nvme_trace_create_sq(struct trace_seq *p, u8 *cdw10)
return ret;
}
+static const char *nvme_trace_delete_cq(struct trace_seq *p, u8 *cdw10)
+{
+ const char *ret = trace_seq_buffer_ptr(p);
+ u16 cqid = get_unaligned_le16(cdw10);
+
+ trace_seq_printf(p, "cqid=%u", cqid);
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
static const char *nvme_trace_create_cq(struct trace_seq *p, u8 *cdw10)
{
const char *ret = trace_seq_buffer_ptr(p);
@@ -107,8 +129,12 @@ const char *nvme_trace_parse_admin_cmd(struct trace_seq *p,
u8 opcode, u8 *cdw10)
{
switch (opcode) {
+ case nvme_admin_delete_sq:
+ return nvme_trace_delete_sq(p, cdw10);
case nvme_admin_create_sq:
return nvme_trace_create_sq(p, cdw10);
+ case nvme_admin_delete_cq:
+ return nvme_trace_delete_cq(p, cdw10);
case nvme_admin_create_cq:
return nvme_trace_create_cq(p, cdw10);
case nvme_admin_identify: