#ifndef _SYS_TRACE_H_ #define _SYS_TRACE_H_ #ifdef CONFIG_SCHED_OVERHEAD_TRACE #include #include /*********************** TIMESTAMPS ************************/ enum task_type_marker { TSK_BE, TSK_RT, TSK_UNKNOWN }; struct timestamp { uint64_t timestamp; uint32_t seq_no; uint8_t cpu; uint8_t event; uint8_t task_type; }; /* tracing callbacks */ feather_callback void save_timestamp(unsigned long event); feather_callback void save_timestamp_def(unsigned long event, unsigned long type); feather_callback void save_timestamp_task(unsigned long event, unsigned long t_ptr); feather_callback void save_timestamp_cpu(unsigned long event, unsigned long cpu); #define TIMESTAMP(id) ft_event0(id, save_timestamp) #define DTIMESTAMP(id, def) ft_event1(id, save_timestamp_def, (unsigned long) def) #define TTIMESTAMP(id, task) \ ft_event1(id, save_timestamp_task, (unsigned long) task) #define CTIMESTAMP(id, cpu) \ ft_event1(id, save_timestamp_cpu, (unsigned long) cpu) #else /* !CONFIG_SCHED_OVERHEAD_TRACE */ #define TIMESTAMP(id) /* no tracing */ #define DTIMESTAMP(id, def) /* no tracing */ #define TTIMESTAMP(id, task) /* no tracing */ #define CTIMESTAMP(id, cpu) /* no tracing */ #endif /* Convention for timestamps * ========================= * * In order to process the trace files with a common tool, we use the following * convention to measure execution times: The end time id of a code segment is * always the next number after the start time event id. */ #define TS_SCHED_START DTIMESTAMP(100, TSK_UNKNOWN) /* we only * care * about * next */ #define TS_SCHED_END(t) TTIMESTAMP(101, t) #define TS_SCHED2_START(t) TTIMESTAMP(102, t) #define TS_SCHED2_END(t) TTIMESTAMP(103, t) #define TS_CXS_START(t) TTIMESTAMP(104, t) #define TS_CXS_END(t) TTIMESTAMP(105, t) #define TS_RELEASE_START DTIMESTAMP(106, TSK_RT) #define TS_RELEASE_END DTIMESTAMP(107, TSK_RT) #define TS_TICK_START(t) TTIMESTAMP(110, t) #define TS_TICK_END(t) TTIMESTAMP(111, t) #define TS_PLUGIN_SCHED_START /* TIMESTAMP(120) */ /* currently unused */ #define TS_PLUGIN_SCHED_END /* TIMESTAMP(121) */ #define TS_PLUGIN_TICK_START /* TIMESTAMP(130) */ #define TS_PLUGIN_TICK_END /* TIMESTAMP(131) */ #define TS_ENTER_NP_START TIMESTAMP(140) #define TS_ENTER_NP_END TIMESTAMP(141) #define TS_EXIT_NP_START TIMESTAMP(150) #define TS_EXIT_NP_END TIMESTAMP(151) #define TS_SRP_UP_START TIMESTAMP(160) #define TS_SRP_UP_END TIMESTAMP(161) #define TS_SRP_DOWN_START TIMESTAMP(162) #define TS_SRP_DOWN_END TIMESTAMP(163) #define TS_PI_UP_START TIMESTAMP(170) #define TS_PI_UP_END TIMESTAMP(171) #define TS_PI_DOWN_START TIMESTAMP(172) #define TS_PI_DOWN_END TIMESTAMP(173) #define TS_FIFO_UP_START TIMESTAMP(180) #define TS_FIFO_UP_END TIMESTAMP(181) #define TS_FIFO_DOWN_START TIMESTAMP(182) #define TS_FIFO_DOWN_END TIMESTAMP(183) #define TS_SEND_RESCHED_START(c) CTIMESTAMP(190, c) #define TS_SEND_RESCHED_END DTIMESTAMP(191, TSK_UNKNOWN) #endif /* !_SYS_TRACE_H_ */