Viewing file:  ipi.h (1.84 KB) -rw-r--r--
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#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)
);
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>
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