From: Hannes Reinecke <hare@suse.de>
Date: Tue, 21 Dec 2021 08:20:30 +0100
Subject: ata: libata: add qc_prep tracepoint
Git-commit: fc914faad67f237528739ec717222a560c97e723
Patch-mainline: v5.17-rc1
References: jsc#PED-1118
Convert the existing ata_qc_issue() tracepoint into a template,
and add tracepoints for ata_qc_prep() and ata_qc_issue() based
on that template.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Acked-by: Lee Duncan <lduncan@suse.com>
---
drivers/ata/libata-core.c | 1 +
include/trace/events/libata.h | 10 +++++++++-
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c1946336f81e..846596fdd831 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4892,6 +4892,7 @@ void ata_qc_issue(struct ata_queued_cmd *qc)
return;
}
+ trace_ata_qc_prep(qc);
qc->err_mask |= ap->ops->qc_prep(qc);
if (unlikely(qc->err_mask))
goto err;
diff --git a/include/trace/events/libata.h b/include/trace/events/libata.h
index ec2a350d1aca..2394fc2b2831 100644
--- a/include/trace/events/libata.h
+++ b/include/trace/events/libata.h
@@ -164,7 +164,7 @@ const char *libata_trace_parse_subcmd(struct trace_seq *, unsigned char,
unsigned char, unsigned char);
#define __parse_subcmd(c,f,h) libata_trace_parse_subcmd(p, c, f, h)
-TRACE_EVENT(ata_qc_issue,
+DECLARE_EVENT_CLASS(ata_qc_issue_template,
TP_PROTO(struct ata_queued_cmd *qc),
@@ -223,6 +223,14 @@ TRACE_EVENT(ata_qc_issue,
__entry->dev)
);
+DEFINE_EVENT(ata_qc_issue_template, ata_qc_prep,
+ TP_PROTO(struct ata_queued_cmd *qc),
+ TP_ARGS(qc));
+
+DEFINE_EVENT(ata_qc_issue_template, ata_qc_issue,
+ TP_PROTO(struct ata_queued_cmd *qc),
+ TP_ARGS(qc));
+
DECLARE_EVENT_CLASS(ata_qc_complete_template,
TP_PROTO(struct ata_queued_cmd *qc),