diff options
| author | subhashj@codeaurora.org <subhashj@codeaurora.org> | 2016-12-23 05:41:48 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-01-06 02:10:04 +0300 |
| commit | 911a0771b6fa7bac5eae753c17c87ecb77c77283 (patch) | |
| tree | bebe4b62a4d2177a1bfb1844924e08d02d968d31 /include/trace/events/ufs.h | |
| parent | d2aebb9b269b3e094b2d2d03121c3863b683a25b (diff) | |
| download | linux-911a0771b6fa7bac5eae753c17c87ecb77c77283.tar.xz | |
scsi: ufs: add time profiling support
This patch adds the profiling support for some of the time critical
operations like hibern8 enter/exit, clock gating & clock scaling.
Reviewed-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/trace/events/ufs.h')
| -rw-r--r-- | include/trace/events/ufs.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/trace/events/ufs.h b/include/trace/events/ufs.h index 57743b6ed0b0..e9634dff51a8 100644 --- a/include/trace/events/ufs.h +++ b/include/trace/events/ufs.h @@ -123,6 +123,46 @@ TRACE_EVENT(ufshcd_auto_bkops_state, __get_str(dev_name), __get_str(state)) ); +DECLARE_EVENT_CLASS(ufshcd_profiling_template, + TP_PROTO(const char *dev_name, const char *profile_info, s64 time_us, + int err), + + TP_ARGS(dev_name, profile_info, time_us, err), + + TP_STRUCT__entry( + __string(dev_name, dev_name) + __string(profile_info, profile_info) + __field(s64, time_us) + __field(int, err) + ), + + TP_fast_assign( + __assign_str(dev_name, dev_name); + __assign_str(profile_info, profile_info); + __entry->time_us = time_us; + __entry->err = err; + ), + + TP_printk("%s: %s: took %lld usecs, err %d", + __get_str(dev_name), __get_str(profile_info), + __entry->time_us, __entry->err) +); + +DEFINE_EVENT(ufshcd_profiling_template, ufshcd_profile_hibern8, + TP_PROTO(const char *dev_name, const char *profile_info, s64 time_us, + int err), + TP_ARGS(dev_name, profile_info, time_us, err)); + +DEFINE_EVENT(ufshcd_profiling_template, ufshcd_profile_clk_gating, + TP_PROTO(const char *dev_name, const char *profile_info, s64 time_us, + int err), + TP_ARGS(dev_name, profile_info, time_us, err)); + +DEFINE_EVENT(ufshcd_profiling_template, ufshcd_profile_clk_scaling, + TP_PROTO(const char *dev_name, const char *profile_info, s64 time_us, + int err), + TP_ARGS(dev_name, profile_info, time_us, err)); + DECLARE_EVENT_CLASS(ufshcd_template, TP_PROTO(const char *dev_name, int err, s64 usecs, int dev_state, int link_state), |