1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #undef TRACE_SYSTEM 3*4882a593Smuzhiyun #define TRACE_SYSTEM ipi 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #if !defined(_TRACE_IPI_H) || defined(TRACE_HEADER_MULTI_READ) 6*4882a593Smuzhiyun #define _TRACE_IPI_H 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #include <linux/tracepoint.h> 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun /** 11*4882a593Smuzhiyun * ipi_raise - called when a smp cross call is made 12*4882a593Smuzhiyun * 13*4882a593Smuzhiyun * @mask: mask of recipient CPUs for the IPI 14*4882a593Smuzhiyun * @reason: string identifying the IPI purpose 15*4882a593Smuzhiyun * 16*4882a593Smuzhiyun * It is necessary for @reason to be a static string declared with 17*4882a593Smuzhiyun * __tracepoint_string. 18*4882a593Smuzhiyun */ 19*4882a593Smuzhiyun TRACE_EVENT(ipi_raise, 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun TP_PROTO(const struct cpumask *mask, const char *reason), 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun TP_ARGS(mask, reason), 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun TP_STRUCT__entry( 26*4882a593Smuzhiyun __bitmask(target_cpus, nr_cpumask_bits) 27*4882a593Smuzhiyun __field(const char *, reason) 28*4882a593Smuzhiyun ), 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun TP_fast_assign( 31*4882a593Smuzhiyun __assign_bitmask(target_cpus, cpumask_bits(mask), nr_cpumask_bits); 32*4882a593Smuzhiyun __entry->reason = reason; 33*4882a593Smuzhiyun ), 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun TP_printk("target_mask=%s (%s)", __get_bitmask(target_cpus), __entry->reason) 36*4882a593Smuzhiyun ); 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun DECLARE_EVENT_CLASS(ipi_handler, 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun TP_PROTO(const char *reason), 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun TP_ARGS(reason), 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun TP_STRUCT__entry( 45*4882a593Smuzhiyun __field(const char *, reason) 46*4882a593Smuzhiyun ), 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun TP_fast_assign( 49*4882a593Smuzhiyun __entry->reason = reason; 50*4882a593Smuzhiyun ), 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun TP_printk("(%s)", __entry->reason) 53*4882a593Smuzhiyun ); 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun /** 56*4882a593Smuzhiyun * ipi_entry - called immediately before the IPI handler 57*4882a593Smuzhiyun * 58*4882a593Smuzhiyun * @reason: string identifying the IPI purpose 59*4882a593Smuzhiyun * 60*4882a593Smuzhiyun * It is necessary for @reason to be a static string declared with 61*4882a593Smuzhiyun * __tracepoint_string, ideally the same as used with trace_ipi_raise 62*4882a593Smuzhiyun * for that IPI. 63*4882a593Smuzhiyun */ 64*4882a593Smuzhiyun DEFINE_EVENT(ipi_handler, ipi_entry, 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun TP_PROTO(const char *reason), 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun TP_ARGS(reason) 69*4882a593Smuzhiyun ); 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun /** 72*4882a593Smuzhiyun * ipi_exit - called immediately after the IPI handler returns 73*4882a593Smuzhiyun * 74*4882a593Smuzhiyun * @reason: string identifying the IPI purpose 75*4882a593Smuzhiyun * 76*4882a593Smuzhiyun * It is necessary for @reason to be a static string declared with 77*4882a593Smuzhiyun * __tracepoint_string, ideally the same as used with trace_ipi_raise for 78*4882a593Smuzhiyun * that IPI. 79*4882a593Smuzhiyun */ 80*4882a593Smuzhiyun DEFINE_EVENT(ipi_handler, ipi_exit, 81*4882a593Smuzhiyun 82*4882a593Smuzhiyun TP_PROTO(const char *reason), 83*4882a593Smuzhiyun 84*4882a593Smuzhiyun TP_ARGS(reason) 85*4882a593Smuzhiyun ); 86*4882a593Smuzhiyun 87*4882a593Smuzhiyun #endif /* _TRACE_IPI_H */ 88*4882a593Smuzhiyun 89*4882a593Smuzhiyun /* This part must be outside protection */ 90*4882a593Smuzhiyun #include <trace/define_trace.h> 91