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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>
alistair/sunxi64-5.4-dsi
Tom Wu 2019-07-04 10:19:54 +00:00 committed by Christoph Hellwig
parent 91f6d79853
commit 4c0181bf6c
1 changed files with 26 additions and 0 deletions
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26
drivers/nvme/host/trace.c
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@ -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: