// SPDX-License-Identifier: LGPL-2.1/* * Copyright (C) 2015 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> */#include <stdio.h>#include <stdlib.h>#include <string.h> #include "event-parse.h" enum tlb_flush_reason {	TLB_FLUSH_ON_TASK_SWITCH,	TLB_REMOTE_SHOOTDOWN,	TLB_LOCAL_SHOOTDOWN,	TLB_LOCAL_MM_SHOOTDOWN,	NR_TLB_FLUSH_REASONS,}; static int tlb_flush_handler(struct trace_seq *s, struct tep_record *record,			     struct tep_event *event, void *context){	unsigned long long val; 	trace_seq_printf(s, "pages="); 	tep_print_num_field(s, "%ld", event, "pages", record, 1); 	if (tep_get_field_val(s, event, "reason", record, &val, 1) < 0)		return -1; 	trace_seq_puts(s, " reason="); 	switch (val) {	case TLB_FLUSH_ON_TASK_SWITCH:		trace_seq_puts(s, "flush on task switch");		break;	case TLB_REMOTE_SHOOTDOWN:		trace_seq_puts(s, "remote shootdown");		break;	case TLB_LOCAL_SHOOTDOWN:		trace_seq_puts(s, "local shootdown");		break;	case TLB_LOCAL_MM_SHOOTDOWN:		trace_seq_puts(s, "local mm shootdown");		break;	} 	trace_seq_printf(s, " (%lld)", val); 	return 0;} int TEP_PLUGIN_LOADER(struct tep_handle *tep){	tep_register_event_handler(tep, -1, "tlb", "tlb_flush",				   tlb_flush_handler, NULL); 	return 0;} void TEP_PLUGIN_UNLOADER(struct tep_handle *tep){	tep_unregister_event_handler(tep, -1,				     "tlb", "tlb_flush",				     tlb_flush_handler, NULL);}