diff options
| author | Subhash Jadavani <subhashj@codeaurora.org> | 2014-10-19 01:35:36 -0700 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 10:57:42 -0700 |
| commit | 1eabea8b95a17de147a8713ba00facce52cc89af (patch) | |
| tree | 52e2ca69588ebdb71cb6d55b861f46d6ba1139b1 /include/trace | |
| parent | d4f8a9304bf38011c0d414502d3de2b3f2d50c82 (diff) | |
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.
Change-Id: I4dde1078dcd2af47f051639b03c44c423ee344fa
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Diffstat (limited to 'include/trace')
| -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 13bf97b19a71..b239bbb43b62 100644 --- a/include/trace/events/ufs.h +++ b/include/trace/events/ufs.h @@ -107,6 +107,46 @@ 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, const char *dev_state, const char *link_state), |