diff options
| author | Bjoern B. Brandenburg <bbb@cs.unc.edu> | 2011-07-25 12:42:27 -0400 |
|---|---|---|
| committer | Christopher Kenna <cjk@cs.unc.edu> | 2011-10-10 17:14:34 -0400 |
| commit | 88f2d7fbab4ceba14946cb86c018bc8a2025e876 (patch) | |
| tree | c5bdd383f1f3c1b52804324b1f4af7b4e09a38e8 /include/litmus/rt_param.h | |
| parent | 81d6f2711010d4073e29ea38bc717ee6f4ed3a53 (diff) | |
locking: trace system call entry/exit cost
Diffstat (limited to 'include/litmus/rt_param.h')
| -rw-r--r-- | include/litmus/rt_param.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/litmus/rt_param.h b/include/litmus/rt_param.h index e6288e8807f0..221edad83d77 100644 --- a/include/litmus/rt_param.h +++ b/include/litmus/rt_param.h | |||
| @@ -63,6 +63,9 @@ struct control_page { | |||
| 63 | * its non-preemptive section? */ | 63 | * its non-preemptive section? */ |
| 64 | int delayed_preemption; | 64 | int delayed_preemption; |
| 65 | 65 | ||
| 66 | /* locking overhead tracing: time stamp prior to system call */ | ||
| 67 | uint64_t ts_syscall_start; /* Feather-Trace cycles */ | ||
| 68 | |||
| 66 | /* to be extended */ | 69 | /* to be extended */ |
| 67 | }; | 70 | }; |
| 68 | 71 | ||