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| author | Kei Tokunaga <tokunaga.keiich@jp.fujitsu.com> | 2010-04-01 13:41:40 +0200 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-04-30 19:51:10 +0200 |
| commit | bf81623542332bc2cedf3db49cbb2edb724780d2 (patch) | |
| tree | 47e4b784fefd533251b58ae1c2d8c8d280242bcf /drivers/scsi/scsi_error.c | |
| parent | [SCSI] ftrace: add __print_hex() (diff) | |
| download | linux-bf81623542332bc2cedf3db49cbb2edb724780d2.tar.xz linux-bf81623542332bc2cedf3db49cbb2edb724780d2.zip | |
[SCSI] add scsi trace core functions and put trace points
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@jp.fujitsu.com>
Signed-off-by: Kei Tokunaga <tokunaga.keiich@jp.fujitsu.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/scsi_error.c')
| -rw-r--r-- | drivers/scsi/scsi_error.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 33175974b55a..f31d868f9362 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -39,6 +39,8 @@ #include "scsi_logging.h" #include "scsi_transport_api.h" +#include <trace/events/scsi.h> + #define SENSE_TIMEOUT (10*HZ) /* @@ -52,6 +54,7 @@ void scsi_eh_wakeup(struct Scsi_Host *shost) { if (shost->host_busy == shost->host_failed) { + trace_scsi_eh_wakeup(shost); wake_up_process(shost->ehandler); SCSI_LOG_ERROR_RECOVERY(5, printk("Waking error handler thread\n")); @@ -127,6 +130,7 @@ enum blk_eh_timer_return scsi_times_out(struct request *req) struct scsi_cmnd *scmd = req->special; enum blk_eh_timer_return rtn = BLK_EH_NOT_HANDLED; + trace_scsi_dispatch_cmd_timeout(scmd); scsi_log_completion(scmd, TIMEOUT_ERROR); if (scmd->device->host->transportt->eh_timed_out) |