From fc914faad67f237528739ec717222a560c97e723 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Tue, 21 Dec 2021 08:20:30 +0100 Subject: [PATCH] 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 Signed-off-by: Damien Le Moal --- 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 c194633..846596f 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 ec2a350..2394fc2 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), -- 2.7.4