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authorHannes Reinecke <hare@suse.de>2015-03-27 18:46:38 +0300
committerTejun Heo <tj@kernel.org>2015-03-27 18:59:22 +0300
commit255c03d15a29a3ccb7a40d247f02bf38ba3f3592 (patch)
treef5e7b15d1d04622a464a5eb3d22f5cd171af56f0 /drivers/ata/libata-eh.c
parenta1524f226a02aa6edebd90ae0752e97cfd78b159 (diff)
downloadlinux-255c03d15a29a3ccb7a40d247f02bf38ba3f3592.tar.xz
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>
Diffstat (limited to 'drivers/ata/libata-eh.c')
-rw-r--r--drivers/ata/libata-eh.c4
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");
}