91 lines
1.9 KiB
C
91 lines
1.9 KiB
C
|
/* 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)
|
||
|
|
);
|
||
|
|
|
||
|
|
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>
|