153 строки
3.3 KiB
C
153 строки
3.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __PERF_KVM_STAT_H
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#define __PERF_KVM_STAT_H
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#ifdef HAVE_KVM_STAT_SUPPORT
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#include "tool.h"
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#include "stat.h"
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#include "record.h"
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struct evsel;
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struct evlist;
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struct perf_session;
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struct event_key {
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#define INVALID_KEY (~0ULL)
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u64 key;
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int info;
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struct exit_reasons_table *exit_reasons;
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};
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struct kvm_event_stats {
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u64 time;
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struct stats stats;
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};
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struct kvm_event {
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struct list_head hash_entry;
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struct rb_node rb;
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struct event_key key;
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struct kvm_event_stats total;
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#define DEFAULT_VCPU_NUM 8
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int max_vcpu;
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struct kvm_event_stats *vcpu;
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};
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typedef int (*key_cmp_fun)(struct kvm_event*, struct kvm_event*, int);
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struct kvm_event_key {
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const char *name;
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key_cmp_fun key;
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};
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struct perf_kvm_stat;
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struct child_event_ops {
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void (*get_key)(struct evsel *evsel,
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struct perf_sample *sample,
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struct event_key *key);
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const char *name;
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};
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struct kvm_events_ops {
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bool (*is_begin_event)(struct evsel *evsel,
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struct perf_sample *sample,
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struct event_key *key);
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bool (*is_end_event)(struct evsel *evsel,
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struct perf_sample *sample, struct event_key *key);
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struct child_event_ops *child_ops;
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void (*decode_key)(struct perf_kvm_stat *kvm, struct event_key *key,
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char *decode);
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const char *name;
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};
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struct exit_reasons_table {
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unsigned long exit_code;
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const char *reason;
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};
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#define EVENTS_BITS 12
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#define EVENTS_CACHE_SIZE (1UL << EVENTS_BITS)
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struct perf_kvm_stat {
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struct perf_tool tool;
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struct record_opts opts;
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struct evlist *evlist;
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struct perf_session *session;
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const char *file_name;
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const char *report_event;
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const char *sort_key;
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int trace_vcpu;
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struct exit_reasons_table *exit_reasons;
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const char *exit_reasons_isa;
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struct kvm_events_ops *events_ops;
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key_cmp_fun compare;
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struct list_head kvm_events_cache[EVENTS_CACHE_SIZE];
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u64 total_time;
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u64 total_count;
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u64 lost_events;
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u64 duration;
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struct intlist *pid_list;
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struct rb_root result;
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int timerfd;
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unsigned int display_time;
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bool live;
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bool force;
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};
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struct kvm_reg_events_ops {
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const char *name;
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struct kvm_events_ops *ops;
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};
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void exit_event_get_key(struct evsel *evsel,
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struct perf_sample *sample,
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struct event_key *key);
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bool exit_event_begin(struct evsel *evsel,
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struct perf_sample *sample,
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struct event_key *key);
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bool exit_event_end(struct evsel *evsel,
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struct perf_sample *sample,
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struct event_key *key);
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void exit_event_decode_key(struct perf_kvm_stat *kvm,
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struct event_key *key,
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char *decode);
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bool kvm_exit_event(struct evsel *evsel);
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bool kvm_entry_event(struct evsel *evsel);
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int setup_kvm_events_tp(struct perf_kvm_stat *kvm);
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#define define_exit_reasons_table(name, symbols) \
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static struct exit_reasons_table name[] = { \
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symbols, { -1, NULL } \
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}
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/*
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* arch specific callbacks and data structures
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*/
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int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid);
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extern const char *kvm_events_tp[];
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extern struct kvm_reg_events_ops kvm_reg_events_ops[];
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extern const char * const kvm_skip_events[];
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extern const char *vcpu_id_str;
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extern const int decode_str_len;
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extern const char *kvm_exit_reason;
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extern const char *kvm_entry_trace;
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extern const char *kvm_exit_trace;
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#endif /* HAVE_KVM_STAT_SUPPORT */
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extern int kvm_add_default_arch_event(int *argc, const char **argv);
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#endif /* __PERF_KVM_STAT_H */
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