libata: Add tracepoints

Add some tracepoints for ata_qc_issue, ata_qc_complete, and
ata_eh_link_autopsy.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Tejun Heo <tj@kernel.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 77ef43e320ea..07f41be38fbe 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -46,6 +46,7 @@
 
 #include <linux/libata.h>
 
+#include <trace/events/libata.h>
 #include "libata.h"
 
 enum {
@@ -2291,6 +2292,7 @@ static void ata_eh_link_autopsy(struct ata_link *link)
                 all_err_mask |= qc->err_mask;
                 if (qc->flags & ATA_QCFLAG_IO)
                         eflags |= ATA_EFLAG_IS_IO;
+                trace_ata_eh_link_autopsy_qc(qc);
         }
 
         /* enforce default EH actions */
@@ -2325,7 +2327,7 @@ static void ata_eh_link_autopsy(struct ata_link *link)
                         eflags |= ATA_EFLAG_DUBIOUS_XFER;
                 ehc->i.action |= ata_eh_speed_down(dev, eflags, all_err_mask);
         }
-
+        trace_ata_eh_link_autopsy(dev, ehc->i.action, all_err_mask);
         DPRINTK("EXIT\n");
 }