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brintos / linux-shallow public Read only

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1/* SPDX-License-Identifier: GPL-2.0 */2#undef TRACE_SYSTEM3#define TRACE_SYSTEM ipi4 5#if !defined(_TRACE_IPI_H) || defined(TRACE_HEADER_MULTI_READ)6#define _TRACE_IPI_H7 8#include <linux/tracepoint.h>9 10/**11 * ipi_raise - called when a smp cross call is made12 *13 * @mask: mask of recipient CPUs for the IPI14 * @reason: string identifying the IPI purpose15 *16 * It is necessary for @reason to be a static string declared with17 * __tracepoint_string.18 */19TRACE_EVENT(ipi_raise,20 21	TP_PROTO(const struct cpumask *mask, const char *reason),22 23	TP_ARGS(mask, reason),24 25	TP_STRUCT__entry(26		__bitmask(target_cpus, nr_cpumask_bits)27		__field(const char *, reason)28	),29 30	TP_fast_assign(31		__assign_bitmask(target_cpus, cpumask_bits(mask), nr_cpumask_bits);32		__entry->reason = reason;33	),34 35	TP_printk("target_mask=%s (%s)", __get_bitmask(target_cpus), __entry->reason)36);37 38TRACE_EVENT(ipi_send_cpu,39 40	TP_PROTO(const unsigned int cpu, unsigned long callsite, void *callback),41 42	TP_ARGS(cpu, callsite, callback),43 44	TP_STRUCT__entry(45		__field(unsigned int, cpu)46		__field(void *, callsite)47		__field(void *, callback)48	),49 50	TP_fast_assign(51		__entry->cpu = cpu;52		__entry->callsite = (void *)callsite;53		__entry->callback = callback;54	),55 56	TP_printk("cpu=%u callsite=%pS callback=%pS",57		  __entry->cpu, __entry->callsite, __entry->callback)58);59 60TRACE_EVENT(ipi_send_cpumask,61 62	TP_PROTO(const struct cpumask *cpumask, unsigned long callsite, void *callback),63 64	TP_ARGS(cpumask, callsite, callback),65 66	TP_STRUCT__entry(67		__cpumask(cpumask)68		__field(void *, callsite)69		__field(void *, callback)70	),71 72	TP_fast_assign(73		__assign_cpumask(cpumask, cpumask_bits(cpumask));74		__entry->callsite = (void *)callsite;75		__entry->callback = callback;76	),77 78	TP_printk("cpumask=%s callsite=%pS callback=%pS",79		  __get_cpumask(cpumask), __entry->callsite, __entry->callback)80);81 82DECLARE_EVENT_CLASS(ipi_handler,83 84	TP_PROTO(const char *reason),85 86	TP_ARGS(reason),87 88	TP_STRUCT__entry(89		__field(const char *, reason)90	),91 92	TP_fast_assign(93		__entry->reason = reason;94	),95 96	TP_printk("(%s)", __entry->reason)97);98 99/**100 * ipi_entry - called immediately before the IPI handler101 *102 * @reason: string identifying the IPI purpose103 *104 * It is necessary for @reason to be a static string declared with105 * __tracepoint_string, ideally the same as used with trace_ipi_raise106 * for that IPI.107 */108DEFINE_EVENT(ipi_handler, ipi_entry,109 110	TP_PROTO(const char *reason),111 112	TP_ARGS(reason)113);114 115/**116 * ipi_exit - called immediately after the IPI handler returns117 *118 * @reason: string identifying the IPI purpose119 *120 * It is necessary for @reason to be a static string declared with121 * __tracepoint_string, ideally the same as used with trace_ipi_raise for122 * that IPI.123 */124DEFINE_EVENT(ipi_handler, ipi_exit,125 126	TP_PROTO(const char *reason),127 128	TP_ARGS(reason)129);130 131#endif /* _TRACE_IPI_H */132 133/* This part must be outside protection */134#include <trace/define_trace.h>135