projects / lttng-modules.git / blame
| Commit | Line | Data |
|---|---|---|
| 9f36eaed | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 0bcebe87 MJ |
2 | #ifdef CONFIG_PREEMPTIRQ_EVENTS |
| 3 | ||
| 4 | #undef TRACE_SYSTEM | |
| 5 | #define TRACE_SYSTEM preemptirq | |
| 6 | ||
| 7 | #if !defined(LTTNG_TRACE_PREEMPTIRQ_H) || defined(TRACE_HEADER_MULTI_READ) | |
| 8 | #define LTTNG_TRACE_PREEMPTIRQ_H | |
| 9 | ||
| 10 | #include <linux/ktime.h> | |
| 11 | #include <linux/string.h> | |
| 12 | #include <asm/sections.h> | |
| 13 | #include <probes/lttng-tracepoint-event.h> | |
| 14 | ||
| 67325059 MJ |
15 | /* |
| 16 | * The preemptirq probe is built when CONFIG_PREEMPTIRQ_EVENTS is defined. | |
| 17 | */ | |
| 0bcebe87 MJ |
18 | |
| 19 | LTTNG_TRACEPOINT_EVENT_CLASS(preemptirq_template, | |
| 20 | ||
| 21 | TP_PROTO(unsigned long ip, unsigned long parent_ip), | |
| 22 | ||
| 23 | TP_ARGS(ip, parent_ip), | |
| 24 | ||
| 25 | TP_FIELDS( | |
| 26 | ctf_integer_hex(unsigned long, caller, ip) | |
| 27 | ctf_integer_hex(unsigned long, parent, parent_ip) | |
| 28 | ) | |
| 29 | ) | |
| 30 | ||
| 67325059 MJ |
31 | /* |
| 32 | * Tracing of irq enable / disable events is enabled | |
| 33 | * on >= 4.19 when CONFIG_TRACE_IRQFLAGS is defined. | |
| 34 | * on previous kernels when CONFIG_PROVE_LOCKING is NOT defined. | |
| 35 | */ | |
| 36 | #if defined(CONFIG_TRACE_IRQFLAGS) | |
| 37 | #define LTTNG_TRACE_IRQ | |
| 2d042821 | 38 | #elif (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,19,0) && \ |
| 67325059 MJ |
39 | !defined(CONFIG_PROVE_LOCKING)) |
| 40 | #define LTTNG_TRACE_IRQ | |
| 41 | #endif | |
| 42 | ||
| 43 | #ifdef LTTNG_TRACE_IRQ | |
| 0bcebe87 MJ |
44 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(preemptirq_template, irq_disable, |
| 45 | ||
| 46 | preemptirq_irq_disable, | |
| 47 | ||
| 48 | TP_PROTO(unsigned long ip, unsigned long parent_ip), | |
| 49 | ||
| 50 | TP_ARGS(ip, parent_ip) | |
| 51 | ) | |
| 52 | ||
| 53 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(preemptirq_template, irq_enable, | |
| 54 | ||
| 55 | preemptirq_irq_enable, | |
| 56 | ||
| 57 | TP_PROTO(unsigned long ip, unsigned long parent_ip), | |
| 58 | ||
| 59 | TP_ARGS(ip, parent_ip) | |
| 60 | ) | |
| 67325059 MJ |
61 | #endif /* LTTNG_TRACE_IRQ */ |
| 62 | ||
| 63 | /* | |
| 64 | * Tracing of preempt enable / disable events is enabled | |
| 65 | * on >= 4.19 when CONFIG_TRACE_PREEMPT_TOGGLE is defined. | |
| 66 | * on previous kernels when CONFIG_DEBUG_PREEMPT is defined. | |
| 67 | */ | |
| 68 | #if defined(CONFIG_TRACE_PREEMPT_TOGGLE) | |
| 69 | #define LTTNG_TRACE_PREEMPT | |
| 2d042821 | 70 | #elif (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,19,0) && \ |
| 67325059 MJ |
71 | defined(CONFIG_DEBUG_PREEMPT)) |
| 72 | #define LTTNG_TRACE_PREEMPT | |
| 73 | #endif | |
| 74 | ||
| 75 | #ifdef LTTNG_TRACE_PREEMPT | |
| 0bcebe87 MJ |
76 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(preemptirq_template, preempt_disable, |
| 77 | ||
| 78 | preemptirq_preempt_disable, | |
| 79 | ||
| 80 | TP_PROTO(unsigned long ip, unsigned long parent_ip), | |
| 81 | ||
| 82 | TP_ARGS(ip, parent_ip) | |
| 83 | ) | |
| 84 | ||
| 85 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(preemptirq_template, preempt_enable, | |
| 86 | ||
| 87 | preemptirq_preempt_enable, | |
| 88 | ||
| 89 | TP_PROTO(unsigned long ip, unsigned long parent_ip), | |
| 90 | ||
| 91 | TP_ARGS(ip, parent_ip) | |
| 92 | ) | |
| 67325059 | 93 | #endif /* LTTNG_TRACE_PREEMPT */ |
| 0bcebe87 MJ |
94 | |
| 95 | #endif /* LTTNG_TRACE_PREEMPTIRQ_H */ | |
| 96 | ||
| 97 | /* This part must be outside protection */ | |
| 98 | #include <probes/define_trace.h> | |
| 99 | ||
| 100 | #endif /* CONFIG_PREEMPTIRQ_EVENTS */ |