diff options
| author | Glenn Elliott <gelliott@cs.unc.edu> | 2013-09-16 17:26:56 -0400 |
|---|---|---|
| committer | Namhoon Kim <namhoonk@cs.unc.edu> | 2014-10-21 10:02:52 -0400 |
| commit | 751073bc996ac77c219c2031282ee7ce0f473af5 (patch) | |
| tree | c798b46fe315118b365fd52ed3e6af09b346fc74 | |
| parent | a1b5e6c8f816c6c28dfbce7e16d3977f96e380f2 (diff) | |
Record LITMUS^RT timestamp in ftrace records
Patch updates ftrace.h to record a litmus_clock() time stamp
in ftrace records.
| -rw-r--r-- | include/trace/ftrace.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index 66dba42128d7..75710120c6d5 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h | |||
| @@ -18,6 +18,9 @@ | |||
| 18 | 18 | ||
| 19 | #include <linux/ftrace_event.h> | 19 | #include <linux/ftrace_event.h> |
| 20 | 20 | ||
| 21 | /* for litmus_clock() */ | ||
| 22 | #include <litmus/litmus.h> | ||
| 23 | |||
| 21 | /* | 24 | /* |
| 22 | * DECLARE_EVENT_CLASS can be used to add a generic function | 25 | * DECLARE_EVENT_CLASS can be used to add a generic function |
| 23 | * handlers for events. That is, if all events have the same | 26 | * handlers for events. That is, if all events have the same |
| @@ -54,7 +57,7 @@ | |||
| 54 | #define __string(item, src) __dynamic_array(char, item, -1) | 57 | #define __string(item, src) __dynamic_array(char, item, -1) |
| 55 | 58 | ||
| 56 | #undef TP_STRUCT__entry | 59 | #undef TP_STRUCT__entry |
| 57 | #define TP_STRUCT__entry(args...) args | 60 | #define TP_STRUCT__entry(args...) args __field( unsigned long long, __rt_ts ) |
| 58 | 61 | ||
| 59 | #undef DECLARE_EVENT_CLASS | 62 | #undef DECLARE_EVENT_CLASS |
| 60 | #define DECLARE_EVENT_CLASS(name, proto, args, tstruct, assign, print) \ | 63 | #define DECLARE_EVENT_CLASS(name, proto, args, tstruct, assign, print) \ |
| @@ -502,7 +505,7 @@ static inline notrace int ftrace_get_offsets_##call( \ | |||
| 502 | strcpy(__get_str(dst), (src) ? (const char *)(src) : "(null)"); | 505 | strcpy(__get_str(dst), (src) ? (const char *)(src) : "(null)"); |
| 503 | 506 | ||
| 504 | #undef TP_fast_assign | 507 | #undef TP_fast_assign |
| 505 | #define TP_fast_assign(args...) args | 508 | #define TP_fast_assign(args...) args; __entry->__rt_ts = litmus_clock(); |
| 506 | 509 | ||
| 507 | #undef TP_perf_assign | 510 | #undef TP_perf_assign |
| 508 | #define TP_perf_assign(args...) | 511 | #define TP_perf_assign(args...) |