Viewing file: ipi.h (2.85 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
/* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_SYSTEM ipi
#if !defined(_TRACE_IPI_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_IPI_H
#include <linux/tracepoint.h>
/** * ipi_raise - called when a smp cross call is made * * @mask: mask of recipient CPUs for the IPI * @reason: string identifying the IPI purpose * * It is necessary for @reason to be a static string declared with * __tracepoint_string. */ TRACE_EVENT(ipi_raise,
TP_PROTO(const struct cpumask *mask, const char *reason),
TP_ARGS(mask, reason),
TP_STRUCT__entry( __bitmask(target_cpus, nr_cpumask_bits) __field(const char *, reason) ),
TP_fast_assign( __assign_bitmask(target_cpus, cpumask_bits(mask), nr_cpumask_bits); __entry->reason = reason; ),
TP_printk("target_mask=%s (%s)", __get_bitmask(target_cpus), __entry->reason) );
TRACE_EVENT(ipi_send_cpu,
TP_PROTO(const unsigned int cpu, unsigned long callsite, void *callback),
TP_ARGS(cpu, callsite, callback),
TP_STRUCT__entry( __field(unsigned int, cpu) __field(void *, callsite) __field(void *, callback) ),
TP_fast_assign( __entry->cpu = cpu; __entry->callsite = (void *)callsite; __entry->callback = callback; ),
TP_printk("cpu=%u callsite=%pS callback=%pS", __entry->cpu, __entry->callsite, __entry->callback) );
TRACE_EVENT(ipi_send_cpumask,
TP_PROTO(const struct cpumask *cpumask, unsigned long callsite, void *callback),
TP_ARGS(cpumask, callsite, callback),
TP_STRUCT__entry( __cpumask(cpumask) __field(void *, callsite) __field(void *, callback) ),
TP_fast_assign( __assign_cpumask(cpumask, cpumask_bits(cpumask)); __entry->callsite = (void *)callsite; __entry->callback = callback; ),
TP_printk("cpumask=%s callsite=%pS callback=%pS", __get_cpumask(cpumask), __entry->callsite, __entry->callback) );
DECLARE_EVENT_CLASS(ipi_handler,
TP_PROTO(const char *reason),
TP_ARGS(reason),
TP_STRUCT__entry( __field(const char *, reason) ),
TP_fast_assign( __entry->reason = reason; ),
TP_printk("(%s)", __entry->reason) );
/** * ipi_entry - called immediately before the IPI handler * * @reason: string identifying the IPI purpose * * It is necessary for @reason to be a static string declared with * __tracepoint_string, ideally the same as used with trace_ipi_raise * for that IPI. */ DEFINE_EVENT(ipi_handler, ipi_entry,
TP_PROTO(const char *reason),
TP_ARGS(reason) );
/** * ipi_exit - called immediately after the IPI handler returns * * @reason: string identifying the IPI purpose * * It is necessary for @reason to be a static string declared with * __tracepoint_string, ideally the same as used with trace_ipi_raise for * that IPI. */ DEFINE_EVENT(ipi_handler, ipi_exit,
TP_PROTO(const char *reason),
TP_ARGS(reason) );
#endif /* _TRACE_IPI_H */
/* This part must be outside protection */ #include <trace/define_trace.h>
|