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Commit 4c0181bf authored by Tom Wu's avatar Tom Wu Committed by Christoph Hellwig
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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: default avatarTom Wu <tomwu@mellanox.com>
Reviewed-by: default avatarMax Gurtovoy <maxg@mellanox.com>
Reviewed-by: default avatarMinwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: default avatarIsrael Rukshin <israelr@mellanox.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 91f6d798

drivers/nvme/host/trace.c

+26 −0
Original line number Diff line number Diff line
@@ -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: