projects / lttng-modules.git / blame
| Commit | Line | Data |
|---|---|---|
| 61baff6e MJ |
1 | // SPDX-FileCopyrightText: 2017 Michael Jeanson <mjeanson@efficios.com> |
| 2 | // | |
| 3 | // SPDX-License-Identifier: GPL-2.0-only | |
| 4 | ||
| 0bcebe87 MJ |
5 | #ifdef CONFIG_PREEMPTIRQ_EVENTS |
| 6 | ||
| 7 | #undef TRACE_SYSTEM | |
| 8 | #define TRACE_SYSTEM preemptirq | |
| 9 | ||
| 10 | #if !defined(LTTNG_TRACE_PREEMPTIRQ_H) || defined(TRACE_HEADER_MULTI_READ) | |
| 11 | #define LTTNG_TRACE_PREEMPTIRQ_H | |
| 12 | ||
| 13 | #include <linux/ktime.h> | |
| 14 | #include <linux/string.h> | |
| 15 | #include <asm/sections.h> | |
| 3b4aafcb | 16 | #include <lttng/tracepoint-event.h> |
| 0bcebe87 | 17 | |
| 67325059 MJ |
18 | /* |
| 19 | * The preemptirq probe is built when CONFIG_PREEMPTIRQ_EVENTS is defined. | |
| 20 | */ | |
| 0bcebe87 MJ |
21 | |
| 22 | LTTNG_TRACEPOINT_EVENT_CLASS(preemptirq_template, | |
| 23 | ||
| 24 | TP_PROTO(unsigned long ip, unsigned long parent_ip), | |
| 25 | ||
| 26 | TP_ARGS(ip, parent_ip), | |
| 27 | ||
| 28 | TP_FIELDS( | |
| 29 | ctf_integer_hex(unsigned long, caller, ip) | |
| 30 | ctf_integer_hex(unsigned long, parent, parent_ip) | |
| 31 | ) | |
| 32 | ) | |
| 33 | ||
| 67325059 MJ |
34 | /* |
| 35 | * Tracing of irq enable / disable events is enabled | |
| 36 | * on >= 4.19 when CONFIG_TRACE_IRQFLAGS is defined. | |
| 37 | * on previous kernels when CONFIG_PROVE_LOCKING is NOT defined. | |
| 38 | */ | |
| 39 | #if defined(CONFIG_TRACE_IRQFLAGS) | |
| 40 | #define LTTNG_TRACE_IRQ | |
| 5f4c791e | 41 | #elif (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,19,0) && \ |
| 67325059 MJ |
42 | !defined(CONFIG_PROVE_LOCKING)) |
| 43 | #define LTTNG_TRACE_IRQ | |
| 44 | #endif | |
| 45 | ||
| 46 | #ifdef LTTNG_TRACE_IRQ | |
| 0bcebe87 MJ |
47 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(preemptirq_template, irq_disable, |
| 48 | ||
| 49 | preemptirq_irq_disable, | |
| 50 | ||
| 51 | TP_PROTO(unsigned long ip, unsigned long parent_ip), | |
| 52 | ||
| 53 | TP_ARGS(ip, parent_ip) | |
| 54 | ) | |
| 55 | ||
| 56 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(preemptirq_template, irq_enable, | |
| 57 | ||
| 58 | preemptirq_irq_enable, | |
| 59 | ||
| 60 | TP_PROTO(unsigned long ip, unsigned long parent_ip), | |
| 61 | ||
| 62 | TP_ARGS(ip, parent_ip) | |
| 63 | ) | |
| 67325059 MJ |
64 | #endif /* LTTNG_TRACE_IRQ */ |
| 65 | ||
| 66 | /* | |
| 67 | * Tracing of preempt enable / disable events is enabled | |
| 68 | * on >= 4.19 when CONFIG_TRACE_PREEMPT_TOGGLE is defined. | |
| 69 | * on previous kernels when CONFIG_DEBUG_PREEMPT is defined. | |
| 70 | */ | |
| 71 | #if defined(CONFIG_TRACE_PREEMPT_TOGGLE) | |
| 72 | #define LTTNG_TRACE_PREEMPT | |
| 5f4c791e | 73 | #elif (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,19,0) && \ |
| 67325059 MJ |
74 | defined(CONFIG_DEBUG_PREEMPT)) |
| 75 | #define LTTNG_TRACE_PREEMPT | |
| 76 | #endif | |
| 77 | ||
| 78 | #ifdef LTTNG_TRACE_PREEMPT | |
| 0bcebe87 MJ |
79 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(preemptirq_template, preempt_disable, |
| 80 | ||
| 81 | preemptirq_preempt_disable, | |
| 82 | ||
| 83 | TP_PROTO(unsigned long ip, unsigned long parent_ip), | |
| 84 | ||
| 85 | TP_ARGS(ip, parent_ip) | |
| 86 | ) | |
| 87 | ||
| 88 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(preemptirq_template, preempt_enable, | |
| 89 | ||
| 90 | preemptirq_preempt_enable, | |
| 91 | ||
| 92 | TP_PROTO(unsigned long ip, unsigned long parent_ip), | |
| 93 | ||
| 94 | TP_ARGS(ip, parent_ip) | |
| 95 | ) | |
| 67325059 | 96 | #endif /* LTTNG_TRACE_PREEMPT */ |
| 0bcebe87 MJ |
97 | |
| 98 | #endif /* LTTNG_TRACE_PREEMPTIRQ_H */ | |
| 99 | ||
| 100 | /* This part must be outside protection */ | |
| 3b4aafcb | 101 | #include <lttng/define_trace.h> |
| 0bcebe87 MJ |
102 | |
| 103 | #endif /* CONFIG_PREEMPTIRQ_EVENTS */ |