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| author | Hannes Reinecke <hare@suse.de> | 2015-03-27 16:46:38 +0100 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2015-03-27 11:59:22 -0400 |
| commit | 255c03d15a29a3ccb7a40d247f02bf38ba3f3592 (patch) | |
| tree | f5e7b15d1d04622a464a5eb3d22f5cd171af56f0 /drivers/ata/libata-core.c | |
| parent | a1524f226a02aa6edebd90ae0752e97cfd78b159 (diff) | |
| download | linux-255c03d15a29a3ccb7a40d247f02bf38ba3f3592.tar.gz linux-255c03d15a29a3ccb7a40d247f02bf38ba3f3592.tar.bz2 linux-255c03d15a29a3ccb7a40d247f02bf38ba3f3592.zip | |
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-core.c')
| -rw-r--r-- | drivers/ata/libata-core.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index ff57367f5f0c..be1722a4163a 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -70,6 +70,9 @@ #include <linux/pm_runtime.h> #include <linux/platform_device.h> +#define CREATE_TRACE_POINTS +#include <trace/events/libata.h> + #include "libata.h" #include "libata-transport.h" @@ -4904,6 +4907,7 @@ void ata_qc_complete(struct ata_queued_cmd *qc) */ if (unlikely(ata_tag_internal(qc->tag))) { fill_result_tf(qc); + trace_ata_qc_complete_internal(qc); __ata_qc_complete(qc); return; } @@ -4914,6 +4918,7 @@ void ata_qc_complete(struct ata_queued_cmd *qc) */ if (unlikely(qc->flags & ATA_QCFLAG_FAILED)) { fill_result_tf(qc); + trace_ata_qc_complete_failed(qc); ata_qc_schedule_eh(qc); return; } @@ -4924,6 +4929,7 @@ void ata_qc_complete(struct ata_queued_cmd *qc) if (qc->flags & ATA_QCFLAG_RESULT_TF) fill_result_tf(qc); + trace_ata_qc_complete_done(qc); /* Some commands need post-processing after successful * completion. */ @@ -5071,7 +5077,7 @@ void ata_qc_issue(struct ata_queued_cmd *qc) } ap->ops->qc_prep(qc); - + trace_ata_qc_issue(qc); qc->err_mask |= ap->ops->qc_issue(qc); if (unlikely(qc->err_mask)) goto err; |