diff options
| author | Hannes Reinecke <hare@suse.de> | 2021-12-21 08:20:30 +0100 |
|---|---|---|
| committer | Damien Le Moal <damien.lemoal@opensource.wdc.com> | 2022-01-04 20:01:01 +0900 |
| commit | fc914faad67f237528739ec717222a560c97e723 (patch) | |
| tree | 34a8aa320a40da4e86c744a84905fa526cd96f81 | |
| parent | f8ec26d0f5bcdb864f771fb6d250d9ed3165eb61 (diff) | |
| download | lwn-fc914faad67f237528739ec717222a560c97e723.tar.gz lwn-fc914faad67f237528739ec717222a560c97e723.zip | |
ata: libata: add qc_prep tracepoint
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>
| -rw-r--r-- | drivers/ata/libata-core.c | 1 | ||||
| -rw-r--r-- | include/trace/events/libata.h | 10 |
2 files changed, 10 insertions, 1 deletions
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), |