diff options
Diffstat (limited to 'include/trace/events/xen.h')
| -rw-r--r-- | include/trace/events/xen.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/include/trace/events/xen.h b/include/trace/events/xen.h index 46c170c75d4e..330848269bc1 100644 --- a/include/trace/events/xen.h +++ b/include/trace/events/xen.h @@ -6,7 +6,125 @@ #include <linux/tracepoint.h> #include <asm/paravirt_types.h> +#include <asm/xen/trace_types.h> +/* Multicalls */ + +TRACE_EVENT(xen_mc_batch, + TP_PROTO(enum paravirt_lazy_mode mode), + TP_ARGS(mode), + TP_STRUCT__entry( + __field(enum paravirt_lazy_mode, mode) + ), + TP_fast_assign(__entry->mode = mode), + TP_printk("start batch LAZY_%s", + (__entry->mode == PARAVIRT_LAZY_MMU) ? "MMU" : + (__entry->mode == PARAVIRT_LAZY_CPU) ? "CPU" : "NONE") + ); + +TRACE_EVENT(xen_mc_issue, + TP_PROTO(enum paravirt_lazy_mode mode), + TP_ARGS(mode), + TP_STRUCT__entry( + __field(enum paravirt_lazy_mode, mode) + ), + TP_fast_assign(__entry->mode = mode), + TP_printk("issue mode LAZY_%s", + (__entry->mode == PARAVIRT_LAZY_MMU) ? "MMU" : + (__entry->mode == PARAVIRT_LAZY_CPU) ? "CPU" : "NONE") + ); + +TRACE_EVENT(xen_mc_entry, + TP_PROTO(struct multicall_entry *mc, unsigned nargs), + TP_ARGS(mc, nargs), + TP_STRUCT__entry( + __field(unsigned int, op) + __field(unsigned int, nargs) + __array(unsigned long, args, 6) + ), + TP_fast_assign(__entry->op = mc->op; + __entry->nargs = nargs; + memcpy(__entry->args, mc->args, sizeof(unsigned long) * nargs); + memset(__entry->args + nargs, 0, sizeof(unsigned long) * (6 - nargs)); + ), + TP_printk("op %u%s args [%lx, %lx, %lx, %lx, %lx, %lx]", + __entry->op, xen_hypercall_name(__entry->op), + __entry->args[0], __entry->args[1], __entry->args[2], + __entry->args[3], __entry->args[4], __entry->args[5]) + ); + +TRACE_EVENT(xen_mc_entry_alloc, + TP_PROTO(size_t args), + TP_ARGS(args), + TP_STRUCT__entry( + __field(size_t, args) + ), + TP_fast_assign(__entry->args = args), + TP_printk("alloc entry %zu arg bytes", __entry->args) + ); + +TRACE_EVENT(xen_mc_callback, + TP_PROTO(xen_mc_callback_fn_t fn, void *data), + TP_ARGS(fn, data), + TP_STRUCT__entry( + __field(xen_mc_callback_fn_t, fn) + __field(void *, data) + ), + TP_fast_assign( + __entry->fn = fn; + __entry->data = data; + ), + TP_printk("callback %pf, data %p", + __entry->fn, __entry->data) + ); + +TRACE_EVENT(xen_mc_flush_reason, + TP_PROTO(enum xen_mc_flush_reason reason), + TP_ARGS(reason), + TP_STRUCT__entry( + __field(enum xen_mc_flush_reason, reason) + ), + TP_fast_assign(__entry->reason = reason), + TP_printk("flush reason %s", + (__entry->reason == XEN_MC_FL_NONE) ? "NONE" : + (__entry->reason == XEN_MC_FL_BATCH) ? "BATCH" : + (__entry->reason == XEN_MC_FL_ARGS) ? "ARGS" : + (__entry->reason == XEN_MC_FL_CALLBACK) ? "CALLBACK" : "??") + ); + +TRACE_EVENT(xen_mc_flush, + TP_PROTO(unsigned mcidx, unsigned argidx, unsigned cbidx), + TP_ARGS(mcidx, argidx, cbidx), + TP_STRUCT__entry( + __field(unsigned, mcidx) + __field(unsigned, argidx) + __field(unsigned, cbidx) + ), + TP_fast_assign(__entry->mcidx = mcidx; + __entry->argidx = argidx; + __entry->cbidx = cbidx), + TP_printk("flushing %u hypercalls, %u arg bytes, %u callbacks", + __entry->mcidx, __entry->argidx, __entry->cbidx) + ); + +TRACE_EVENT(xen_mc_extend_args, + TP_PROTO(unsigned long op, size_t args, enum xen_mc_extend_args res), + TP_ARGS(op, args, res), + TP_STRUCT__entry( + __field(unsigned int, op) + __field(size_t, args) + __field(enum xen_mc_extend_args, res) + ), + TP_fast_assign(__entry->op = op; + __entry->args = args; + __entry->res = res), + TP_printk("extending op %u%s by %zu bytes res %s", + __entry->op, xen_hypercall_name(__entry->op), + __entry->args, + __entry->res == XEN_MC_XE_OK ? "OK" : + __entry->res == XEN_MC_XE_BAD_OP ? "BAD_OP" : + __entry->res == XEN_MC_XE_NO_SPACE ? "NO_SPACE" : "???") + ); #endif /* _TRACE_XEN_H */ /* This part must be outside protection */ |