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| author |   subhashj@codeaurora.org <subhashj@codeaurora.org> | 2016-12-22 18:39:51 -0800 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2017-01-05 18:10:03 -0500 |
| commit | 7ff5ab4736333431311a4cbbfb574b155758b08c (patch) | |
| tree | f88c198a45aae3c4f487e35357ffd5998921ebea /drivers/scsi/pmcraid.c | |
| parent | scsi: ufs: dump debug info during failures (diff) | |
| download | linux-rng-7ff5ab4736333431311a4cbbfb574b155758b08c.tar.xz linux-rng-7ff5ab4736333431311a4cbbfb574b155758b08c.zip | |
scsi: ufs: add tracing support
This change adds the ftrace support for following:
1. UFS initialization time
2. Clock gating states
3. Clock scaling states
4. Power management APIs latency
5. BKOPs enable/disable
Usage:
echo 1 > /sys/kernel/debug/tracing/events/ufs/enable
cat /sys/kernel/debug/tracing/trace_pipe
Reviewed-by: Sahitya Tummala <stummala@codeaurora.org>
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/pmcraid.c')
0 files changed, 0 insertions, 0 deletions