diff mbox series

[07/68] libata: add qc_prep tracepoint

Message ID 20211210072905.15666-8-hare@suse.de
State New
Headers show
Series libata: rework logging, take II | expand

Commit Message

Hannes Reinecke Dec. 10, 2021, 7:28 a.m. UTC 
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>
---
 drivers/ata/libata-core.c     |  1 +
 include/trace/events/libata.h | 10 +++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 33d65a2a39c7..80af26ea04b8 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4885,6 +4885,7 @@  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),