Joel Fernandes | d591581 | 2017-10-10 15:51:37 -0700 | [diff] [blame^] | 1 | #ifdef CONFIG_PREEMPTIRQ_EVENTS |
| 2 | |
| 3 | #undef TRACE_SYSTEM |
| 4 | #define TRACE_SYSTEM preemptirq |
| 5 | |
| 6 | #if !defined(_TRACE_PREEMPTIRQ_H) || defined(TRACE_HEADER_MULTI_READ) |
| 7 | #define _TRACE_PREEMPTIRQ_H |
| 8 | |
| 9 | #include <linux/ktime.h> |
| 10 | #include <linux/tracepoint.h> |
| 11 | #include <linux/string.h> |
| 12 | #include <asm/sections.h> |
| 13 | |
| 14 | DECLARE_EVENT_CLASS(preemptirq_template, |
| 15 | |
| 16 | TP_PROTO(unsigned long ip, unsigned long parent_ip), |
| 17 | |
| 18 | TP_ARGS(ip, parent_ip), |
| 19 | |
| 20 | TP_STRUCT__entry( |
| 21 | __field(u32, caller_offs) |
| 22 | __field(u32, parent_offs) |
| 23 | ), |
| 24 | |
| 25 | TP_fast_assign( |
| 26 | __entry->caller_offs = (u32)(ip - (unsigned long)_stext); |
| 27 | __entry->parent_offs = (u32)(parent_ip - (unsigned long)_stext); |
| 28 | ), |
| 29 | |
| 30 | TP_printk("caller=%pF parent=%pF", |
| 31 | (void *)((unsigned long)(_stext) + __entry->caller_offs), |
| 32 | (void *)((unsigned long)(_stext) + __entry->parent_offs)) |
| 33 | ); |
| 34 | |
| 35 | #ifndef CONFIG_PROVE_LOCKING |
| 36 | DEFINE_EVENT(preemptirq_template, irq_disable, |
| 37 | TP_PROTO(unsigned long ip, unsigned long parent_ip), |
| 38 | TP_ARGS(ip, parent_ip)); |
| 39 | |
| 40 | DEFINE_EVENT(preemptirq_template, irq_enable, |
| 41 | TP_PROTO(unsigned long ip, unsigned long parent_ip), |
| 42 | TP_ARGS(ip, parent_ip)); |
| 43 | #endif |
| 44 | |
| 45 | #ifdef CONFIG_DEBUG_PREEMPT |
| 46 | DEFINE_EVENT(preemptirq_template, preempt_disable, |
| 47 | TP_PROTO(unsigned long ip, unsigned long parent_ip), |
| 48 | TP_ARGS(ip, parent_ip)); |
| 49 | |
| 50 | DEFINE_EVENT(preemptirq_template, preempt_enable, |
| 51 | TP_PROTO(unsigned long ip, unsigned long parent_ip), |
| 52 | TP_ARGS(ip, parent_ip)); |
| 53 | #endif |
| 54 | |
| 55 | #endif /* _TRACE_PREEMPTIRQ_H */ |
| 56 | |
| 57 | #include <trace/define_trace.h> |
| 58 | |
| 59 | #else /* !CONFIG_PREEMPTIRQ_EVENTS */ |
| 60 | |
| 61 | #define trace_irq_enable(...) |
| 62 | #define trace_irq_disable(...) |
| 63 | #define trace_preempt_enable(...) |
| 64 | #define trace_preempt_disable(...) |
| 65 | #define trace_irq_enable_rcuidle(...) |
| 66 | #define trace_irq_disable_rcuidle(...) |
| 67 | #define trace_preempt_enable_rcuidle(...) |
| 68 | #define trace_preempt_disable_rcuidle(...) |
| 69 | |
| 70 | #endif |