Add new overhead tracing event IDs

XCALL_{START,END} -- cross-CPU function calls
SEND_XCALL_{START,END} -- cross-CPU function call latency
SCHED_TIMER_{START,END} -- any additional, plugin-specific scheduling timer
TIMER_LATENCY -- latency of plugin-specific timer

1 files changed, 10 insertions, 0 deletions

diff --git a/include/litmus/trace.h b/include/litmus/trace.h
index 601787214037..8ac4bb41a707 100644
--- a/include/litmus/trace.h
+++ b/include/litmus/trace.h
@@ -115,12 +115,18 @@ feather_callback void save_cpu_task_latency(unsigned long event, unsigned long w
 #define TS_RELEASE_START                CPU_DTIMESTAMP(106, TSK_RT)
 #define TS_RELEASE_END                  CPU_DTIMESTAMP(107, TSK_RT)
 
+#define TS_XCALL_START                  CPU_DTIMESTAMP(108, TSK_RT)
+#define TS_XCALL_END                    CPU_DTIMESTAMP(109, TSK_RT)
+
 #define TS_TICK_START(t)                CPU_TTIMESTAMP(110, t)
 #define TS_TICK_END(t)                  CPU_TTIMESTAMP(111, t)
 
 #define TS_QUANTUM_BOUNDARY_START       CPU_TIMESTAMP_CUR(112)
 #define TS_QUANTUM_BOUNDARY_END         CPU_TIMESTAMP_CUR(113)
 
+#define TS_SCHED_TIMER_START    CPU_TIMESTAMP_CUR(114)
+#define TS_SCHED_TIMER_END              CPU_TIMESTAMP_CUR(115)
+
 
 #define TS_PLUGIN_SCHED_START           /* TIMESTAMP(120) */  /* currently unused */
 #define TS_PLUGIN_SCHED_END             /* TIMESTAMP(121) */
@@ -137,6 +143,10 @@ feather_callback void save_cpu_task_latency(unsigned long event, unsigned long w
 #define TS_SEND_RESCHED_START(c)        MSG_TIMESTAMP_SENT(190, c)
 #define TS_SEND_RESCHED_END             MSG_TIMESTAMP_RECEIVED(191)
 
+#define TS_SEND_XCALL_START(c)  MSG_TIMESTAMP_SENT(192, c)
+#define TS_SEND_XCALL_END               MSG_TIMESTAMP_RECEIVED(193)
+
 #define TS_RELEASE_LATENCY(when)        CPU_LTIMESTAMP(208, &(when))
+#define TS_TIMER_LATENCY(when)          CPU_LTIMESTAMP(209, &(when))
 
 #endif /* !_SYS_TRACE_H_ */