kvm-stat.c File Reference

#include <errno.h>
#include "util/kvm-stat.h"
#include "util/parse-events.h"
#include "util/debug.h"
#include "book3s_hv_exits.h"
#include "book3s_hcalls.h"

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Macros
#define	NR_TPS   4

Functions
	define_exit_reasons_table (hv_exit_reasons, kvm_trace_symbol_exit)
	define_exit_reasons_table (hcall_reasons, kvm_trace_symbol_hcall)
static void	hcall_event_get_key (struct perf_evsel *evsel, struct perf_sample *sample, struct event_key *key)
static const char *	get_hcall_exit_reason (u64 exit_code)
static bool	hcall_event_end (struct perf_evsel *evsel, struct perf_sample *sample __maybe_unused, struct event_key *key __maybe_unused)
static bool	hcall_event_begin (struct perf_evsel *evsel, struct perf_sample *sample, struct event_key *key)
static void	hcall_event_decode_key (struct perf_kvm_stat *kvm __maybe_unused, struct event_key *key, char *decode)
static int	is_tracepoint_available (const char *str, struct perf_evlist *evlist)
static int	ppc__setup_book3s_hv (struct perf_kvm_stat *kvm, struct perf_evlist *evlist)
static int	ppc__setup_kvm_tp (struct perf_kvm_stat *kvm)
int	setup_kvm_events_tp (struct perf_kvm_stat *kvm)
int	cpu_isa_init (struct perf_kvm_stat *kvm, const char *cpuid __maybe_unused)

Variables
const char *	vcpu_id_str = "vcpu_id"
const int	decode_str_len = 40
const char *	kvm_entry_trace = "kvm_hv:kvm_guest_enter"
const char *	kvm_exit_trace = "kvm_hv:kvm_guest_exit"
const char *	ppc_book3s_hv_kvm_tp []
const char *	kvm_events_tp [NR_TPS+1]
const char *	kvm_exit_reason
static struct kvm_events_ops	hcall_events
static struct kvm_events_ops	exit_events
struct kvm_reg_events_ops	kvm_reg_events_ops []
const char *const	kvm_skip_events []

Macro Definition Documentation

NR_TPS

#define NR_TPS   4

Definition at line 10 of file kvm-stat.c.

Function Documentation

cpu_isa_init()

int cpu_isa_init	(	struct perf_kvm_stat *	kvm,
		const char *cpuid	__maybe_unused
	)

Definition at line 161 of file kvm-stat.c.

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define_exit_reasons_table() [1/2]

define_exit_reasons_table	(	hv_exit_reasons	,
		kvm_trace_symbol_exit
	)

define_exit_reasons_table() [2/2]

define_exit_reasons_table	(	hcall_reasons	,
		kvm_trace_symbol_hcall
	)

get_hcall_exit_reason()

static const char* get_hcall_exit_reason ( u64  exit_code )

static

Definition at line 41 of file kvm-stat.c.

hcall_event_begin()

static bool hcall_event_begin ( struct perf_evsel *  evsel, struct perf_sample *  sample, struct event_key *  key  )

static

Definition at line 63 of file kvm-stat.c.

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hcall_event_decode_key()

static void hcall_event_decode_key ( struct perf_kvm_stat *kvm  __maybe_unused, struct event_key *  key, char *  decode  )

static

Definition at line 73 of file kvm-stat.c.

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hcall_event_end()

static bool hcall_event_end ( struct perf_evsel *  evsel, struct perf_sample *sample  __maybe_unused, struct event_key *key  __maybe_unused  )

static

Definition at line 56 of file kvm-stat.c.

hcall_event_get_key()

static void hcall_event_get_key ( struct perf_evsel *  evsel, struct perf_sample *  sample, struct event_key *  key  )

static

Definition at line 33 of file kvm-stat.c.

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is_tracepoint_available()

static int is_tracepoint_available ( const char *  str, struct perf_evlist *  evlist  )

static

Definition at line 107 of file kvm-stat.c.

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ppc__setup_book3s_hv()

static int ppc__setup_book3s_hv ( struct perf_kvm_stat *  kvm, struct perf_evlist *  evlist  )

static

Definition at line 119 of file kvm-stat.c.

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ppc__setup_kvm_tp()

static int ppc__setup_kvm_tp ( struct perf_kvm_stat *  kvm )

static

Definition at line 145 of file kvm-stat.c.

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setup_kvm_events_tp()

int setup_kvm_events_tp

(

struct perf_kvm_stat *

kvm

)

Definition at line 156 of file kvm-stat.c.

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Variable Documentation

decode_str_len

const int decode_str_len = 40

Definition at line 13 of file kvm-stat.c.

exit_events

struct kvm_events_ops exit_events

static

Initial value:

= {
    .is_begin_event = exit_event_begin,
    .is_end_event = exit_event_end,
    .decode_key = exit_event_decode_key,
    .name = "VM-EXIT"
}

Definition at line 89 of file kvm-stat.c.

hcall_events

struct kvm_events_ops hcall_events

static

Initial value:

= {
    .is_begin_event = hcall_event_begin,
    .is_end_event = hcall_event_end,
    .decode_key = hcall_event_decode_key,
    .name = "HCALL-EVENT",
}

Definition at line 82 of file kvm-stat.c.

kvm_entry_trace

const char* kvm_entry_trace = "kvm_hv:kvm_guest_enter"

Definition at line 14 of file kvm-stat.c.

kvm_events_tp

const char* kvm_events_tp[NR_TPS+1]

Definition at line 30 of file kvm-stat.c.

kvm_exit_reason

const char* kvm_exit_reason

Definition at line 31 of file kvm-stat.c.

kvm_exit_trace

const char* kvm_exit_trace = "kvm_hv:kvm_guest_exit"

Definition at line 15 of file kvm-stat.c.

kvm_reg_events_ops

struct kvm_reg_events_ops kvm_reg_events_ops[]

Initial value:

= {
    { .name = "vmexit", .ops = &exit_events },
    { .name = "hcall", .ops = &hcall_events },
    { NULL, NULL },
}

Definition at line 96 of file kvm-stat.c.

kvm_skip_events

const char* const kvm_skip_events[]

Initial value:

= {
    NULL,
}

Definition at line 102 of file kvm-stat.c.

ppc_book3s_hv_kvm_tp

const char* ppc_book3s_hv_kvm_tp[]

Initial value:

= {
    "kvm_hv:kvm_guest_enter",
    "kvm_hv:kvm_guest_exit",
    "kvm_hv:kvm_hcall_enter",
    "kvm_hv:kvm_hcall_exit",
    NULL,
}

Definition at line 21 of file kvm-stat.c.

vcpu_id_str

const char* vcpu_id_str = "vcpu_id"

Definition at line 12 of file kvm-stat.c.