| /* 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> |