mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-12 03:26:26 +00:00
perf kvm: Move global variables into a perf_kvm struct
Cleans up the builtin-kvm code in preparation for the live mode. No functional changes; only code movement. Signed-off-by: David Ahern <dsahern@gmail.com> Cc: Dong Hao <haodong@linux.vnet.ibm.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Runzhen Wang <runzhen@linux.vnet.ibm.com> Cc: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Link: http://lkml.kernel.org/r/1349237393-86006-1-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
parent
4e34d9588b
commit
de332ac40f
1 changed files with 254 additions and 208 deletions
|
@ -32,16 +32,76 @@ struct event_key {
|
||||||
int info;
|
int info;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
struct kvm_event_stats {
|
||||||
|
u64 time;
|
||||||
|
struct stats stats;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct kvm_event {
|
||||||
|
struct list_head hash_entry;
|
||||||
|
struct rb_node rb;
|
||||||
|
|
||||||
|
struct event_key key;
|
||||||
|
|
||||||
|
struct kvm_event_stats total;
|
||||||
|
|
||||||
|
#define DEFAULT_VCPU_NUM 8
|
||||||
|
int max_vcpu;
|
||||||
|
struct kvm_event_stats *vcpu;
|
||||||
|
};
|
||||||
|
|
||||||
|
typedef int (*key_cmp_fun)(struct kvm_event*, struct kvm_event*, int);
|
||||||
|
|
||||||
|
struct kvm_event_key {
|
||||||
|
const char *name;
|
||||||
|
key_cmp_fun key;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
struct perf_kvm;
|
||||||
|
|
||||||
struct kvm_events_ops {
|
struct kvm_events_ops {
|
||||||
bool (*is_begin_event)(struct perf_evsel *evsel,
|
bool (*is_begin_event)(struct perf_evsel *evsel,
|
||||||
struct perf_sample *sample,
|
struct perf_sample *sample,
|
||||||
struct event_key *key);
|
struct event_key *key);
|
||||||
bool (*is_end_event)(struct perf_evsel *evsel,
|
bool (*is_end_event)(struct perf_evsel *evsel,
|
||||||
struct perf_sample *sample, struct event_key *key);
|
struct perf_sample *sample, struct event_key *key);
|
||||||
void (*decode_key)(struct event_key *key, char decode[20]);
|
void (*decode_key)(struct perf_kvm *kvm, struct event_key *key,
|
||||||
|
char decode[20]);
|
||||||
const char *name;
|
const char *name;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
struct exit_reasons_table {
|
||||||
|
unsigned long exit_code;
|
||||||
|
const char *reason;
|
||||||
|
};
|
||||||
|
|
||||||
|
#define EVENTS_BITS 12
|
||||||
|
#define EVENTS_CACHE_SIZE (1UL << EVENTS_BITS)
|
||||||
|
|
||||||
|
struct perf_kvm {
|
||||||
|
struct perf_tool tool;
|
||||||
|
struct perf_session *session;
|
||||||
|
|
||||||
|
const char *file_name;
|
||||||
|
const char *report_event;
|
||||||
|
const char *sort_key;
|
||||||
|
int trace_vcpu;
|
||||||
|
|
||||||
|
struct exit_reasons_table *exit_reasons;
|
||||||
|
int exit_reasons_size;
|
||||||
|
const char *exit_reasons_isa;
|
||||||
|
|
||||||
|
struct kvm_events_ops *events_ops;
|
||||||
|
key_cmp_fun compare;
|
||||||
|
struct list_head kvm_events_cache[EVENTS_CACHE_SIZE];
|
||||||
|
u64 total_time;
|
||||||
|
u64 total_count;
|
||||||
|
|
||||||
|
struct rb_root result;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
static void exit_event_get_key(struct perf_evsel *evsel,
|
static void exit_event_get_key(struct perf_evsel *evsel,
|
||||||
struct perf_sample *sample,
|
struct perf_sample *sample,
|
||||||
struct event_key *key)
|
struct event_key *key)
|
||||||
|
@ -78,45 +138,35 @@ static bool exit_event_end(struct perf_evsel *evsel,
|
||||||
return kvm_entry_event(evsel);
|
return kvm_entry_event(evsel);
|
||||||
}
|
}
|
||||||
|
|
||||||
struct exit_reasons_table {
|
static struct exit_reasons_table vmx_exit_reasons[] = {
|
||||||
unsigned long exit_code;
|
|
||||||
const char *reason;
|
|
||||||
};
|
|
||||||
|
|
||||||
struct exit_reasons_table vmx_exit_reasons[] = {
|
|
||||||
VMX_EXIT_REASONS
|
VMX_EXIT_REASONS
|
||||||
};
|
};
|
||||||
|
|
||||||
struct exit_reasons_table svm_exit_reasons[] = {
|
static struct exit_reasons_table svm_exit_reasons[] = {
|
||||||
SVM_EXIT_REASONS
|
SVM_EXIT_REASONS
|
||||||
};
|
};
|
||||||
|
|
||||||
static int cpu_isa;
|
static const char *get_exit_reason(struct perf_kvm *kvm, u64 exit_code)
|
||||||
|
|
||||||
static const char *get_exit_reason(u64 exit_code)
|
|
||||||
{
|
{
|
||||||
int table_size = ARRAY_SIZE(svm_exit_reasons);
|
int i = kvm->exit_reasons_size;
|
||||||
struct exit_reasons_table *table = svm_exit_reasons;
|
struct exit_reasons_table *tbl = kvm->exit_reasons;
|
||||||
|
|
||||||
if (cpu_isa == 1) {
|
while (i--) {
|
||||||
table = vmx_exit_reasons;
|
if (tbl->exit_code == exit_code)
|
||||||
table_size = ARRAY_SIZE(vmx_exit_reasons);
|
return tbl->reason;
|
||||||
}
|
tbl++;
|
||||||
|
|
||||||
while (table_size--) {
|
|
||||||
if (table->exit_code == exit_code)
|
|
||||||
return table->reason;
|
|
||||||
table++;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
pr_err("unknown kvm exit code:%lld on %s\n",
|
pr_err("unknown kvm exit code:%lld on %s\n",
|
||||||
(unsigned long long)exit_code, cpu_isa ? "VMX" : "SVM");
|
(unsigned long long)exit_code, kvm->exit_reasons_isa);
|
||||||
return "UNKNOWN";
|
return "UNKNOWN";
|
||||||
}
|
}
|
||||||
|
|
||||||
static void exit_event_decode_key(struct event_key *key, char decode[20])
|
static void exit_event_decode_key(struct perf_kvm *kvm,
|
||||||
|
struct event_key *key,
|
||||||
|
char decode[20])
|
||||||
{
|
{
|
||||||
const char *exit_reason = get_exit_reason(key->key);
|
const char *exit_reason = get_exit_reason(kvm, key->key);
|
||||||
|
|
||||||
scnprintf(decode, 20, "%s", exit_reason);
|
scnprintf(decode, 20, "%s", exit_reason);
|
||||||
}
|
}
|
||||||
|
@ -128,11 +178,11 @@ static struct kvm_events_ops exit_events = {
|
||||||
.name = "VM-EXIT"
|
.name = "VM-EXIT"
|
||||||
};
|
};
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* For the mmio events, we treat:
|
* For the mmio events, we treat:
|
||||||
* the time of MMIO write: kvm_mmio(KVM_TRACE_MMIO_WRITE...) -> kvm_entry
|
* the time of MMIO write: kvm_mmio(KVM_TRACE_MMIO_WRITE...) -> kvm_entry
|
||||||
* the time of MMIO read: kvm_exit -> kvm_mmio(KVM_TRACE_MMIO_READ...).
|
* the time of MMIO read: kvm_exit -> kvm_mmio(KVM_TRACE_MMIO_READ...).
|
||||||
*/
|
*/
|
||||||
static void mmio_event_get_key(struct perf_evsel *evsel, struct perf_sample *sample,
|
static void mmio_event_get_key(struct perf_evsel *evsel, struct perf_sample *sample,
|
||||||
struct event_key *key)
|
struct event_key *key)
|
||||||
{
|
{
|
||||||
|
@ -178,7 +228,9 @@ static bool mmio_event_end(struct perf_evsel *evsel, struct perf_sample *sample,
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
static void mmio_event_decode_key(struct event_key *key, char decode[20])
|
static void mmio_event_decode_key(struct perf_kvm *kvm __maybe_unused,
|
||||||
|
struct event_key *key,
|
||||||
|
char decode[20])
|
||||||
{
|
{
|
||||||
scnprintf(decode, 20, "%#lx:%s", (unsigned long)key->key,
|
scnprintf(decode, 20, "%#lx:%s", (unsigned long)key->key,
|
||||||
key->info == KVM_TRACE_MMIO_WRITE ? "W" : "R");
|
key->info == KVM_TRACE_MMIO_WRITE ? "W" : "R");
|
||||||
|
@ -219,7 +271,9 @@ static bool ioport_event_end(struct perf_evsel *evsel,
|
||||||
return kvm_entry_event(evsel);
|
return kvm_entry_event(evsel);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void ioport_event_decode_key(struct event_key *key, char decode[20])
|
static void ioport_event_decode_key(struct perf_kvm *kvm __maybe_unused,
|
||||||
|
struct event_key *key,
|
||||||
|
char decode[20])
|
||||||
{
|
{
|
||||||
scnprintf(decode, 20, "%#llx:%s", (unsigned long long)key->key,
|
scnprintf(decode, 20, "%#llx:%s", (unsigned long long)key->key,
|
||||||
key->info ? "POUT" : "PIN");
|
key->info ? "POUT" : "PIN");
|
||||||
|
@ -232,64 +286,37 @@ static struct kvm_events_ops ioport_events = {
|
||||||
.name = "IO Port Access"
|
.name = "IO Port Access"
|
||||||
};
|
};
|
||||||
|
|
||||||
static const char *report_event = "vmexit";
|
static bool register_kvm_events_ops(struct perf_kvm *kvm)
|
||||||
struct kvm_events_ops *events_ops;
|
|
||||||
|
|
||||||
static bool register_kvm_events_ops(void)
|
|
||||||
{
|
{
|
||||||
bool ret = true;
|
bool ret = true;
|
||||||
|
|
||||||
if (!strcmp(report_event, "vmexit"))
|
if (!strcmp(kvm->report_event, "vmexit"))
|
||||||
events_ops = &exit_events;
|
kvm->events_ops = &exit_events;
|
||||||
else if (!strcmp(report_event, "mmio"))
|
else if (!strcmp(kvm->report_event, "mmio"))
|
||||||
events_ops = &mmio_events;
|
kvm->events_ops = &mmio_events;
|
||||||
else if (!strcmp(report_event, "ioport"))
|
else if (!strcmp(kvm->report_event, "ioport"))
|
||||||
events_ops = &ioport_events;
|
kvm->events_ops = &ioport_events;
|
||||||
else {
|
else {
|
||||||
pr_err("Unknown report event:%s\n", report_event);
|
pr_err("Unknown report event:%s\n", kvm->report_event);
|
||||||
ret = false;
|
ret = false;
|
||||||
}
|
}
|
||||||
|
|
||||||
return ret;
|
return ret;
|
||||||
}
|
}
|
||||||
|
|
||||||
struct kvm_event_stats {
|
|
||||||
u64 time;
|
|
||||||
struct stats stats;
|
|
||||||
};
|
|
||||||
|
|
||||||
struct kvm_event {
|
|
||||||
struct list_head hash_entry;
|
|
||||||
struct rb_node rb;
|
|
||||||
|
|
||||||
struct event_key key;
|
|
||||||
|
|
||||||
struct kvm_event_stats total;
|
|
||||||
|
|
||||||
#define DEFAULT_VCPU_NUM 8
|
|
||||||
int max_vcpu;
|
|
||||||
struct kvm_event_stats *vcpu;
|
|
||||||
};
|
|
||||||
|
|
||||||
struct vcpu_event_record {
|
struct vcpu_event_record {
|
||||||
int vcpu_id;
|
int vcpu_id;
|
||||||
u64 start_time;
|
u64 start_time;
|
||||||
struct kvm_event *last_event;
|
struct kvm_event *last_event;
|
||||||
};
|
};
|
||||||
|
|
||||||
#define EVENTS_BITS 12
|
|
||||||
#define EVENTS_CACHE_SIZE (1UL << EVENTS_BITS)
|
|
||||||
|
|
||||||
static u64 total_time;
|
static void init_kvm_event_record(struct perf_kvm *kvm)
|
||||||
static u64 total_count;
|
|
||||||
static struct list_head kvm_events_cache[EVENTS_CACHE_SIZE];
|
|
||||||
|
|
||||||
static void init_kvm_event_record(void)
|
|
||||||
{
|
{
|
||||||
int i;
|
int i;
|
||||||
|
|
||||||
for (i = 0; i < (int)EVENTS_CACHE_SIZE; i++)
|
for (i = 0; i < (int)EVENTS_CACHE_SIZE; i++)
|
||||||
INIT_LIST_HEAD(&kvm_events_cache[i]);
|
INIT_LIST_HEAD(&kvm->kvm_events_cache[i]);
|
||||||
}
|
}
|
||||||
|
|
||||||
static int kvm_events_hash_fn(u64 key)
|
static int kvm_events_hash_fn(u64 key)
|
||||||
|
@ -333,14 +360,15 @@ static struct kvm_event *kvm_alloc_init_event(struct event_key *key)
|
||||||
return event;
|
return event;
|
||||||
}
|
}
|
||||||
|
|
||||||
static struct kvm_event *find_create_kvm_event(struct event_key *key)
|
static struct kvm_event *find_create_kvm_event(struct perf_kvm *kvm,
|
||||||
|
struct event_key *key)
|
||||||
{
|
{
|
||||||
struct kvm_event *event;
|
struct kvm_event *event;
|
||||||
struct list_head *head;
|
struct list_head *head;
|
||||||
|
|
||||||
BUG_ON(key->key == INVALID_KEY);
|
BUG_ON(key->key == INVALID_KEY);
|
||||||
|
|
||||||
head = &kvm_events_cache[kvm_events_hash_fn(key->key)];
|
head = &kvm->kvm_events_cache[kvm_events_hash_fn(key->key)];
|
||||||
list_for_each_entry(event, head, hash_entry)
|
list_for_each_entry(event, head, hash_entry)
|
||||||
if (event->key.key == key->key && event->key.info == key->info)
|
if (event->key.key == key->key && event->key.info == key->info)
|
||||||
return event;
|
return event;
|
||||||
|
@ -353,13 +381,14 @@ static struct kvm_event *find_create_kvm_event(struct event_key *key)
|
||||||
return event;
|
return event;
|
||||||
}
|
}
|
||||||
|
|
||||||
static bool handle_begin_event(struct vcpu_event_record *vcpu_record,
|
static bool handle_begin_event(struct perf_kvm *kvm,
|
||||||
|
struct vcpu_event_record *vcpu_record,
|
||||||
struct event_key *key, u64 timestamp)
|
struct event_key *key, u64 timestamp)
|
||||||
{
|
{
|
||||||
struct kvm_event *event = NULL;
|
struct kvm_event *event = NULL;
|
||||||
|
|
||||||
if (key->key != INVALID_KEY)
|
if (key->key != INVALID_KEY)
|
||||||
event = find_create_kvm_event(key);
|
event = find_create_kvm_event(kvm, key);
|
||||||
|
|
||||||
vcpu_record->last_event = event;
|
vcpu_record->last_event = event;
|
||||||
vcpu_record->start_time = timestamp;
|
vcpu_record->start_time = timestamp;
|
||||||
|
@ -396,8 +425,10 @@ static bool update_kvm_event(struct kvm_event *event, int vcpu_id,
|
||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
static bool handle_end_event(struct vcpu_event_record *vcpu_record,
|
static bool handle_end_event(struct perf_kvm *kvm,
|
||||||
struct event_key *key, u64 timestamp)
|
struct vcpu_event_record *vcpu_record,
|
||||||
|
struct event_key *key,
|
||||||
|
u64 timestamp)
|
||||||
{
|
{
|
||||||
struct kvm_event *event;
|
struct kvm_event *event;
|
||||||
u64 time_begin, time_diff;
|
u64 time_begin, time_diff;
|
||||||
|
@ -419,7 +450,7 @@ static bool handle_end_event(struct vcpu_event_record *vcpu_record,
|
||||||
return true;
|
return true;
|
||||||
|
|
||||||
if (!event)
|
if (!event)
|
||||||
event = find_create_kvm_event(key);
|
event = find_create_kvm_event(kvm, key);
|
||||||
|
|
||||||
if (!event)
|
if (!event)
|
||||||
return false;
|
return false;
|
||||||
|
@ -455,7 +486,9 @@ struct vcpu_event_record *per_vcpu_record(struct thread *thread,
|
||||||
return thread->priv;
|
return thread->priv;
|
||||||
}
|
}
|
||||||
|
|
||||||
static bool handle_kvm_event(struct thread *thread, struct perf_evsel *evsel,
|
static bool handle_kvm_event(struct perf_kvm *kvm,
|
||||||
|
struct thread *thread,
|
||||||
|
struct perf_evsel *evsel,
|
||||||
struct perf_sample *sample)
|
struct perf_sample *sample)
|
||||||
{
|
{
|
||||||
struct vcpu_event_record *vcpu_record;
|
struct vcpu_event_record *vcpu_record;
|
||||||
|
@ -465,22 +498,15 @@ static bool handle_kvm_event(struct thread *thread, struct perf_evsel *evsel,
|
||||||
if (!vcpu_record)
|
if (!vcpu_record)
|
||||||
return true;
|
return true;
|
||||||
|
|
||||||
if (events_ops->is_begin_event(evsel, sample, &key))
|
if (kvm->events_ops->is_begin_event(evsel, sample, &key))
|
||||||
return handle_begin_event(vcpu_record, &key, sample->time);
|
return handle_begin_event(kvm, vcpu_record, &key, sample->time);
|
||||||
|
|
||||||
if (events_ops->is_end_event(evsel, sample, &key))
|
if (kvm->events_ops->is_end_event(evsel, sample, &key))
|
||||||
return handle_end_event(vcpu_record, &key, sample->time);
|
return handle_end_event(kvm, vcpu_record, &key, sample->time);
|
||||||
|
|
||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
typedef int (*key_cmp_fun)(struct kvm_event*, struct kvm_event*, int);
|
|
||||||
struct kvm_event_key {
|
|
||||||
const char *name;
|
|
||||||
key_cmp_fun key;
|
|
||||||
};
|
|
||||||
|
|
||||||
static int trace_vcpu = -1;
|
|
||||||
#define GET_EVENT_KEY(func, field) \
|
#define GET_EVENT_KEY(func, field) \
|
||||||
static u64 get_event_ ##func(struct kvm_event *event, int vcpu) \
|
static u64 get_event_ ##func(struct kvm_event *event, int vcpu) \
|
||||||
{ \
|
{ \
|
||||||
|
@ -515,29 +541,25 @@ static struct kvm_event_key keys[] = {
|
||||||
{ NULL, NULL }
|
{ NULL, NULL }
|
||||||
};
|
};
|
||||||
|
|
||||||
static const char *sort_key = "sample";
|
static bool select_key(struct perf_kvm *kvm)
|
||||||
static key_cmp_fun compare;
|
|
||||||
|
|
||||||
static bool select_key(void)
|
|
||||||
{
|
{
|
||||||
int i;
|
int i;
|
||||||
|
|
||||||
for (i = 0; keys[i].name; i++) {
|
for (i = 0; keys[i].name; i++) {
|
||||||
if (!strcmp(keys[i].name, sort_key)) {
|
if (!strcmp(keys[i].name, kvm->sort_key)) {
|
||||||
compare = keys[i].key;
|
kvm->compare = keys[i].key;
|
||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
pr_err("Unknown compare key:%s\n", sort_key);
|
pr_err("Unknown compare key:%s\n", kvm->sort_key);
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
static struct rb_root result;
|
static void insert_to_result(struct rb_root *result, struct kvm_event *event,
|
||||||
static void insert_to_result(struct kvm_event *event, key_cmp_fun bigger,
|
key_cmp_fun bigger, int vcpu)
|
||||||
int vcpu)
|
|
||||||
{
|
{
|
||||||
struct rb_node **rb = &result.rb_node;
|
struct rb_node **rb = &result->rb_node;
|
||||||
struct rb_node *parent = NULL;
|
struct rb_node *parent = NULL;
|
||||||
struct kvm_event *p;
|
struct kvm_event *p;
|
||||||
|
|
||||||
|
@ -552,13 +574,15 @@ static void insert_to_result(struct kvm_event *event, key_cmp_fun bigger,
|
||||||
}
|
}
|
||||||
|
|
||||||
rb_link_node(&event->rb, parent, rb);
|
rb_link_node(&event->rb, parent, rb);
|
||||||
rb_insert_color(&event->rb, &result);
|
rb_insert_color(&event->rb, result);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void update_total_count(struct kvm_event *event, int vcpu)
|
static void update_total_count(struct perf_kvm *kvm, struct kvm_event *event)
|
||||||
{
|
{
|
||||||
total_count += get_event_count(event, vcpu);
|
int vcpu = kvm->trace_vcpu;
|
||||||
total_time += get_event_time(event, vcpu);
|
|
||||||
|
kvm->total_count += get_event_count(event, vcpu);
|
||||||
|
kvm->total_time += get_event_time(event, vcpu);
|
||||||
}
|
}
|
||||||
|
|
||||||
static bool event_is_valid(struct kvm_event *event, int vcpu)
|
static bool event_is_valid(struct kvm_event *event, int vcpu)
|
||||||
|
@ -566,28 +590,30 @@ static bool event_is_valid(struct kvm_event *event, int vcpu)
|
||||||
return !!get_event_count(event, vcpu);
|
return !!get_event_count(event, vcpu);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void sort_result(int vcpu)
|
static void sort_result(struct perf_kvm *kvm)
|
||||||
{
|
{
|
||||||
unsigned int i;
|
unsigned int i;
|
||||||
|
int vcpu = kvm->trace_vcpu;
|
||||||
struct kvm_event *event;
|
struct kvm_event *event;
|
||||||
|
|
||||||
for (i = 0; i < EVENTS_CACHE_SIZE; i++)
|
for (i = 0; i < EVENTS_CACHE_SIZE; i++)
|
||||||
list_for_each_entry(event, &kvm_events_cache[i], hash_entry)
|
list_for_each_entry(event, &kvm->kvm_events_cache[i], hash_entry)
|
||||||
if (event_is_valid(event, vcpu)) {
|
if (event_is_valid(event, vcpu)) {
|
||||||
update_total_count(event, vcpu);
|
update_total_count(kvm, event);
|
||||||
insert_to_result(event, compare, vcpu);
|
insert_to_result(&kvm->result, event,
|
||||||
|
kvm->compare, vcpu);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/* returns left most element of result, and erase it */
|
/* returns left most element of result, and erase it */
|
||||||
static struct kvm_event *pop_from_result(void)
|
static struct kvm_event *pop_from_result(struct rb_root *result)
|
||||||
{
|
{
|
||||||
struct rb_node *node = rb_first(&result);
|
struct rb_node *node = rb_first(result);
|
||||||
|
|
||||||
if (!node)
|
if (!node)
|
||||||
return NULL;
|
return NULL;
|
||||||
|
|
||||||
rb_erase(node, &result);
|
rb_erase(node, result);
|
||||||
return container_of(node, struct kvm_event, rb);
|
return container_of(node, struct kvm_event, rb);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -601,14 +627,15 @@ static void print_vcpu_info(int vcpu)
|
||||||
pr_info("VCPU %d:\n\n", vcpu);
|
pr_info("VCPU %d:\n\n", vcpu);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void print_result(int vcpu)
|
static void print_result(struct perf_kvm *kvm)
|
||||||
{
|
{
|
||||||
char decode[20];
|
char decode[20];
|
||||||
struct kvm_event *event;
|
struct kvm_event *event;
|
||||||
|
int vcpu = kvm->trace_vcpu;
|
||||||
|
|
||||||
pr_info("\n\n");
|
pr_info("\n\n");
|
||||||
print_vcpu_info(vcpu);
|
print_vcpu_info(vcpu);
|
||||||
pr_info("%20s ", events_ops->name);
|
pr_info("%20s ", kvm->events_ops->name);
|
||||||
pr_info("%10s ", "Samples");
|
pr_info("%10s ", "Samples");
|
||||||
pr_info("%9s ", "Samples%");
|
pr_info("%9s ", "Samples%");
|
||||||
|
|
||||||
|
@ -616,33 +643,34 @@ static void print_result(int vcpu)
|
||||||
pr_info("%16s ", "Avg time");
|
pr_info("%16s ", "Avg time");
|
||||||
pr_info("\n\n");
|
pr_info("\n\n");
|
||||||
|
|
||||||
while ((event = pop_from_result())) {
|
while ((event = pop_from_result(&kvm->result))) {
|
||||||
u64 ecount, etime;
|
u64 ecount, etime;
|
||||||
|
|
||||||
ecount = get_event_count(event, vcpu);
|
ecount = get_event_count(event, vcpu);
|
||||||
etime = get_event_time(event, vcpu);
|
etime = get_event_time(event, vcpu);
|
||||||
|
|
||||||
events_ops->decode_key(&event->key, decode);
|
kvm->events_ops->decode_key(kvm, &event->key, decode);
|
||||||
pr_info("%20s ", decode);
|
pr_info("%20s ", decode);
|
||||||
pr_info("%10llu ", (unsigned long long)ecount);
|
pr_info("%10llu ", (unsigned long long)ecount);
|
||||||
pr_info("%8.2f%% ", (double)ecount / total_count * 100);
|
pr_info("%8.2f%% ", (double)ecount / kvm->total_count * 100);
|
||||||
pr_info("%8.2f%% ", (double)etime / total_time * 100);
|
pr_info("%8.2f%% ", (double)etime / kvm->total_time * 100);
|
||||||
pr_info("%9.2fus ( +-%7.2f%% )", (double)etime / ecount/1e3,
|
pr_info("%9.2fus ( +-%7.2f%% )", (double)etime / ecount/1e3,
|
||||||
kvm_event_rel_stddev(vcpu, event));
|
kvm_event_rel_stddev(vcpu, event));
|
||||||
pr_info("\n");
|
pr_info("\n");
|
||||||
}
|
}
|
||||||
|
|
||||||
pr_info("\nTotal Samples:%lld, Total events handled time:%.2fus.\n\n",
|
pr_info("\nTotal Samples:%lld, Total events handled time:%.2fus.\n\n",
|
||||||
(unsigned long long)total_count, total_time / 1e3);
|
(unsigned long long)kvm->total_count, kvm->total_time / 1e3);
|
||||||
}
|
}
|
||||||
|
|
||||||
static int process_sample_event(struct perf_tool *tool __maybe_unused,
|
static int process_sample_event(struct perf_tool *tool,
|
||||||
union perf_event *event,
|
union perf_event *event,
|
||||||
struct perf_sample *sample,
|
struct perf_sample *sample,
|
||||||
struct perf_evsel *evsel,
|
struct perf_evsel *evsel,
|
||||||
struct machine *machine)
|
struct machine *machine)
|
||||||
{
|
{
|
||||||
struct thread *thread = machine__findnew_thread(machine, sample->tid);
|
struct thread *thread = machine__findnew_thread(machine, sample->tid);
|
||||||
|
struct perf_kvm *kvm = container_of(tool, struct perf_kvm, tool);
|
||||||
|
|
||||||
if (thread == NULL) {
|
if (thread == NULL) {
|
||||||
pr_debug("problem processing %d event, skipping it.\n",
|
pr_debug("problem processing %d event, skipping it.\n",
|
||||||
|
@ -650,18 +678,12 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
|
||||||
return -1;
|
return -1;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (!handle_kvm_event(thread, evsel, sample))
|
if (!handle_kvm_event(kvm, thread, evsel, sample))
|
||||||
return -1;
|
return -1;
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
static struct perf_tool eops = {
|
|
||||||
.sample = process_sample_event,
|
|
||||||
.comm = perf_event__process_comm,
|
|
||||||
.ordered_samples = true,
|
|
||||||
};
|
|
||||||
|
|
||||||
static int get_cpu_isa(struct perf_session *session)
|
static int get_cpu_isa(struct perf_session *session)
|
||||||
{
|
{
|
||||||
char *cpuid = session->header.env.cpuid;
|
char *cpuid = session->header.env.cpuid;
|
||||||
|
@ -679,34 +701,43 @@ static int get_cpu_isa(struct perf_session *session)
|
||||||
return isa;
|
return isa;
|
||||||
}
|
}
|
||||||
|
|
||||||
static const char *file_name;
|
static int read_events(struct perf_kvm *kvm)
|
||||||
|
|
||||||
static int read_events(void)
|
|
||||||
{
|
{
|
||||||
struct perf_session *kvm_session;
|
|
||||||
int ret;
|
int ret;
|
||||||
|
|
||||||
kvm_session = perf_session__new(file_name, O_RDONLY, 0, false, &eops);
|
struct perf_tool eops = {
|
||||||
if (!kvm_session) {
|
.sample = process_sample_event,
|
||||||
|
.comm = perf_event__process_comm,
|
||||||
|
.ordered_samples = true,
|
||||||
|
};
|
||||||
|
|
||||||
|
kvm->tool = eops;
|
||||||
|
kvm->session = perf_session__new(kvm->file_name, O_RDONLY, 0, false,
|
||||||
|
&kvm->tool);
|
||||||
|
if (!kvm->session) {
|
||||||
pr_err("Initializing perf session failed\n");
|
pr_err("Initializing perf session failed\n");
|
||||||
return -EINVAL;
|
return -EINVAL;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (!perf_session__has_traces(kvm_session, "kvm record"))
|
if (!perf_session__has_traces(kvm->session, "kvm record"))
|
||||||
return -EINVAL;
|
return -EINVAL;
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Do not use 'isa' recorded in kvm_exit tracepoint since it is not
|
* Do not use 'isa' recorded in kvm_exit tracepoint since it is not
|
||||||
* traced in the old kernel.
|
* traced in the old kernel.
|
||||||
*/
|
*/
|
||||||
ret = get_cpu_isa(kvm_session);
|
ret = get_cpu_isa(kvm->session);
|
||||||
|
|
||||||
if (ret < 0)
|
if (ret < 0)
|
||||||
return ret;
|
return ret;
|
||||||
|
|
||||||
cpu_isa = ret;
|
if (ret == 1) {
|
||||||
|
kvm->exit_reasons = vmx_exit_reasons;
|
||||||
|
kvm->exit_reasons_size = ARRAY_SIZE(vmx_exit_reasons);
|
||||||
|
kvm->exit_reasons_isa = "VMX";
|
||||||
|
}
|
||||||
|
|
||||||
return perf_session__process_events(kvm_session, &eops);
|
return perf_session__process_events(kvm->session, &kvm->tool);
|
||||||
}
|
}
|
||||||
|
|
||||||
static bool verify_vcpu(int vcpu)
|
static bool verify_vcpu(int vcpu)
|
||||||
|
@ -719,28 +750,30 @@ static bool verify_vcpu(int vcpu)
|
||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
static int kvm_events_report_vcpu(int vcpu)
|
static int kvm_events_report_vcpu(struct perf_kvm *kvm)
|
||||||
{
|
{
|
||||||
int ret = -EINVAL;
|
int ret = -EINVAL;
|
||||||
|
int vcpu = kvm->trace_vcpu;
|
||||||
|
|
||||||
if (!verify_vcpu(vcpu))
|
if (!verify_vcpu(vcpu))
|
||||||
goto exit;
|
goto exit;
|
||||||
|
|
||||||
if (!select_key())
|
if (!select_key(kvm))
|
||||||
goto exit;
|
goto exit;
|
||||||
|
|
||||||
if (!register_kvm_events_ops())
|
if (!register_kvm_events_ops(kvm))
|
||||||
goto exit;
|
goto exit;
|
||||||
|
|
||||||
init_kvm_event_record();
|
init_kvm_event_record(kvm);
|
||||||
setup_pager();
|
setup_pager();
|
||||||
|
|
||||||
ret = read_events();
|
ret = read_events(kvm);
|
||||||
if (ret)
|
if (ret)
|
||||||
goto exit;
|
goto exit;
|
||||||
|
|
||||||
sort_result(vcpu);
|
sort_result(kvm);
|
||||||
print_result(vcpu);
|
print_result(kvm);
|
||||||
|
|
||||||
exit:
|
exit:
|
||||||
return ret;
|
return ret;
|
||||||
}
|
}
|
||||||
|
@ -765,7 +798,7 @@ static const char * const record_args[] = {
|
||||||
_p; \
|
_p; \
|
||||||
})
|
})
|
||||||
|
|
||||||
static int kvm_events_record(int argc, const char **argv)
|
static int kvm_events_record(struct perf_kvm *kvm, int argc, const char **argv)
|
||||||
{
|
{
|
||||||
unsigned int rec_argc, i, j;
|
unsigned int rec_argc, i, j;
|
||||||
const char **rec_argv;
|
const char **rec_argv;
|
||||||
|
@ -780,7 +813,7 @@ static int kvm_events_record(int argc, const char **argv)
|
||||||
rec_argv[i] = STRDUP_FAIL_EXIT(record_args[i]);
|
rec_argv[i] = STRDUP_FAIL_EXIT(record_args[i]);
|
||||||
|
|
||||||
rec_argv[i++] = STRDUP_FAIL_EXIT("-o");
|
rec_argv[i++] = STRDUP_FAIL_EXIT("-o");
|
||||||
rec_argv[i++] = STRDUP_FAIL_EXIT(file_name);
|
rec_argv[i++] = STRDUP_FAIL_EXIT(kvm->file_name);
|
||||||
|
|
||||||
for (j = 1; j < (unsigned int)argc; j++, i++)
|
for (j = 1; j < (unsigned int)argc; j++, i++)
|
||||||
rec_argv[i] = argv[j];
|
rec_argv[i] = argv[j];
|
||||||
|
@ -788,24 +821,24 @@ static int kvm_events_record(int argc, const char **argv)
|
||||||
return cmd_record(i, rec_argv, NULL);
|
return cmd_record(i, rec_argv, NULL);
|
||||||
}
|
}
|
||||||
|
|
||||||
static const char * const kvm_events_report_usage[] = {
|
static int kvm_events_report(struct perf_kvm *kvm, int argc, const char **argv)
|
||||||
"perf kvm stat report [<options>]",
|
|
||||||
NULL
|
|
||||||
};
|
|
||||||
|
|
||||||
static const struct option kvm_events_report_options[] = {
|
|
||||||
OPT_STRING(0, "event", &report_event, "report event",
|
|
||||||
"event for reporting: vmexit, mmio, ioport"),
|
|
||||||
OPT_INTEGER(0, "vcpu", &trace_vcpu,
|
|
||||||
"vcpu id to report"),
|
|
||||||
OPT_STRING('k', "key", &sort_key, "sort-key",
|
|
||||||
"key for sorting: sample(sort by samples number)"
|
|
||||||
" time (sort by avg time)"),
|
|
||||||
OPT_END()
|
|
||||||
};
|
|
||||||
|
|
||||||
static int kvm_events_report(int argc, const char **argv)
|
|
||||||
{
|
{
|
||||||
|
const struct option kvm_events_report_options[] = {
|
||||||
|
OPT_STRING(0, "event", &kvm->report_event, "report event",
|
||||||
|
"event for reporting: vmexit, mmio, ioport"),
|
||||||
|
OPT_INTEGER(0, "vcpu", &kvm->trace_vcpu,
|
||||||
|
"vcpu id to report"),
|
||||||
|
OPT_STRING('k', "key", &kvm->sort_key, "sort-key",
|
||||||
|
"key for sorting: sample(sort by samples number)"
|
||||||
|
" time (sort by avg time)"),
|
||||||
|
OPT_END()
|
||||||
|
};
|
||||||
|
|
||||||
|
const char * const kvm_events_report_usage[] = {
|
||||||
|
"perf kvm stat report [<options>]",
|
||||||
|
NULL
|
||||||
|
};
|
||||||
|
|
||||||
symbol__init();
|
symbol__init();
|
||||||
|
|
||||||
if (argc) {
|
if (argc) {
|
||||||
|
@ -817,7 +850,7 @@ static int kvm_events_report(int argc, const char **argv)
|
||||||
kvm_events_report_options);
|
kvm_events_report_options);
|
||||||
}
|
}
|
||||||
|
|
||||||
return kvm_events_report_vcpu(trace_vcpu);
|
return kvm_events_report_vcpu(kvm);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void print_kvm_stat_usage(void)
|
static void print_kvm_stat_usage(void)
|
||||||
|
@ -831,7 +864,7 @@ static void print_kvm_stat_usage(void)
|
||||||
printf("\nOtherwise, it is the alias of 'perf stat':\n");
|
printf("\nOtherwise, it is the alias of 'perf stat':\n");
|
||||||
}
|
}
|
||||||
|
|
||||||
static int kvm_cmd_stat(int argc, const char **argv)
|
static int kvm_cmd_stat(struct perf_kvm *kvm, int argc, const char **argv)
|
||||||
{
|
{
|
||||||
if (argc == 1) {
|
if (argc == 1) {
|
||||||
print_kvm_stat_usage();
|
print_kvm_stat_usage();
|
||||||
|
@ -839,44 +872,16 @@ static int kvm_cmd_stat(int argc, const char **argv)
|
||||||
}
|
}
|
||||||
|
|
||||||
if (!strncmp(argv[1], "rec", 3))
|
if (!strncmp(argv[1], "rec", 3))
|
||||||
return kvm_events_record(argc - 1, argv + 1);
|
return kvm_events_record(kvm, argc - 1, argv + 1);
|
||||||
|
|
||||||
if (!strncmp(argv[1], "rep", 3))
|
if (!strncmp(argv[1], "rep", 3))
|
||||||
return kvm_events_report(argc - 1 , argv + 1);
|
return kvm_events_report(kvm, argc - 1 , argv + 1);
|
||||||
|
|
||||||
perf_stat:
|
perf_stat:
|
||||||
return cmd_stat(argc, argv, NULL);
|
return cmd_stat(argc, argv, NULL);
|
||||||
}
|
}
|
||||||
|
|
||||||
static char name_buffer[256];
|
static int __cmd_record(struct perf_kvm *kvm, int argc, const char **argv)
|
||||||
|
|
||||||
static const char * const kvm_usage[] = {
|
|
||||||
"perf kvm [<options>] {top|record|report|diff|buildid-list|stat}",
|
|
||||||
NULL
|
|
||||||
};
|
|
||||||
|
|
||||||
static const struct option kvm_options[] = {
|
|
||||||
OPT_STRING('i', "input", &file_name, "file",
|
|
||||||
"Input file name"),
|
|
||||||
OPT_STRING('o', "output", &file_name, "file",
|
|
||||||
"Output file name"),
|
|
||||||
OPT_BOOLEAN(0, "guest", &perf_guest,
|
|
||||||
"Collect guest os data"),
|
|
||||||
OPT_BOOLEAN(0, "host", &perf_host,
|
|
||||||
"Collect host os data"),
|
|
||||||
OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
|
|
||||||
"guest mount directory under which every guest os"
|
|
||||||
" instance has a subdir"),
|
|
||||||
OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
|
|
||||||
"file", "file saving guest os vmlinux"),
|
|
||||||
OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
|
|
||||||
"file", "file saving guest os /proc/kallsyms"),
|
|
||||||
OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
|
|
||||||
"file", "file saving guest os /proc/modules"),
|
|
||||||
OPT_END()
|
|
||||||
};
|
|
||||||
|
|
||||||
static int __cmd_record(int argc, const char **argv)
|
|
||||||
{
|
{
|
||||||
int rec_argc, i = 0, j;
|
int rec_argc, i = 0, j;
|
||||||
const char **rec_argv;
|
const char **rec_argv;
|
||||||
|
@ -885,7 +890,7 @@ static int __cmd_record(int argc, const char **argv)
|
||||||
rec_argv = calloc(rec_argc + 1, sizeof(char *));
|
rec_argv = calloc(rec_argc + 1, sizeof(char *));
|
||||||
rec_argv[i++] = strdup("record");
|
rec_argv[i++] = strdup("record");
|
||||||
rec_argv[i++] = strdup("-o");
|
rec_argv[i++] = strdup("-o");
|
||||||
rec_argv[i++] = strdup(file_name);
|
rec_argv[i++] = strdup(kvm->file_name);
|
||||||
for (j = 1; j < argc; j++, i++)
|
for (j = 1; j < argc; j++, i++)
|
||||||
rec_argv[i] = argv[j];
|
rec_argv[i] = argv[j];
|
||||||
|
|
||||||
|
@ -894,7 +899,7 @@ static int __cmd_record(int argc, const char **argv)
|
||||||
return cmd_record(i, rec_argv, NULL);
|
return cmd_record(i, rec_argv, NULL);
|
||||||
}
|
}
|
||||||
|
|
||||||
static int __cmd_report(int argc, const char **argv)
|
static int __cmd_report(struct perf_kvm *kvm, int argc, const char **argv)
|
||||||
{
|
{
|
||||||
int rec_argc, i = 0, j;
|
int rec_argc, i = 0, j;
|
||||||
const char **rec_argv;
|
const char **rec_argv;
|
||||||
|
@ -903,7 +908,7 @@ static int __cmd_report(int argc, const char **argv)
|
||||||
rec_argv = calloc(rec_argc + 1, sizeof(char *));
|
rec_argv = calloc(rec_argc + 1, sizeof(char *));
|
||||||
rec_argv[i++] = strdup("report");
|
rec_argv[i++] = strdup("report");
|
||||||
rec_argv[i++] = strdup("-i");
|
rec_argv[i++] = strdup("-i");
|
||||||
rec_argv[i++] = strdup(file_name);
|
rec_argv[i++] = strdup(kvm->file_name);
|
||||||
for (j = 1; j < argc; j++, i++)
|
for (j = 1; j < argc; j++, i++)
|
||||||
rec_argv[i] = argv[j];
|
rec_argv[i] = argv[j];
|
||||||
|
|
||||||
|
@ -912,7 +917,7 @@ static int __cmd_report(int argc, const char **argv)
|
||||||
return cmd_report(i, rec_argv, NULL);
|
return cmd_report(i, rec_argv, NULL);
|
||||||
}
|
}
|
||||||
|
|
||||||
static int __cmd_buildid_list(int argc, const char **argv)
|
static int __cmd_buildid_list(struct perf_kvm *kvm, int argc, const char **argv)
|
||||||
{
|
{
|
||||||
int rec_argc, i = 0, j;
|
int rec_argc, i = 0, j;
|
||||||
const char **rec_argv;
|
const char **rec_argv;
|
||||||
|
@ -921,7 +926,7 @@ static int __cmd_buildid_list(int argc, const char **argv)
|
||||||
rec_argv = calloc(rec_argc + 1, sizeof(char *));
|
rec_argv = calloc(rec_argc + 1, sizeof(char *));
|
||||||
rec_argv[i++] = strdup("buildid-list");
|
rec_argv[i++] = strdup("buildid-list");
|
||||||
rec_argv[i++] = strdup("-i");
|
rec_argv[i++] = strdup("-i");
|
||||||
rec_argv[i++] = strdup(file_name);
|
rec_argv[i++] = strdup(kvm->file_name);
|
||||||
for (j = 1; j < argc; j++, i++)
|
for (j = 1; j < argc; j++, i++)
|
||||||
rec_argv[i] = argv[j];
|
rec_argv[i] = argv[j];
|
||||||
|
|
||||||
|
@ -932,6 +937,43 @@ static int __cmd_buildid_list(int argc, const char **argv)
|
||||||
|
|
||||||
int cmd_kvm(int argc, const char **argv, const char *prefix __maybe_unused)
|
int cmd_kvm(int argc, const char **argv, const char *prefix __maybe_unused)
|
||||||
{
|
{
|
||||||
|
struct perf_kvm kvm = {
|
||||||
|
.trace_vcpu = -1,
|
||||||
|
.report_event = "vmexit",
|
||||||
|
.sort_key = "sample",
|
||||||
|
|
||||||
|
.exit_reasons = svm_exit_reasons,
|
||||||
|
.exit_reasons_size = ARRAY_SIZE(svm_exit_reasons),
|
||||||
|
.exit_reasons_isa = "SVM",
|
||||||
|
};
|
||||||
|
|
||||||
|
const struct option kvm_options[] = {
|
||||||
|
OPT_STRING('i', "input", &kvm.file_name, "file",
|
||||||
|
"Input file name"),
|
||||||
|
OPT_STRING('o', "output", &kvm.file_name, "file",
|
||||||
|
"Output file name"),
|
||||||
|
OPT_BOOLEAN(0, "guest", &perf_guest,
|
||||||
|
"Collect guest os data"),
|
||||||
|
OPT_BOOLEAN(0, "host", &perf_host,
|
||||||
|
"Collect host os data"),
|
||||||
|
OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
|
||||||
|
"guest mount directory under which every guest os"
|
||||||
|
" instance has a subdir"),
|
||||||
|
OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
|
||||||
|
"file", "file saving guest os vmlinux"),
|
||||||
|
OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
|
||||||
|
"file", "file saving guest os /proc/kallsyms"),
|
||||||
|
OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
|
||||||
|
"file", "file saving guest os /proc/modules"),
|
||||||
|
OPT_END()
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
const char * const kvm_usage[] = {
|
||||||
|
"perf kvm [<options>] {top|record|report|diff|buildid-list|stat}",
|
||||||
|
NULL
|
||||||
|
};
|
||||||
|
|
||||||
perf_host = 0;
|
perf_host = 0;
|
||||||
perf_guest = 1;
|
perf_guest = 1;
|
||||||
|
|
||||||
|
@ -943,28 +985,32 @@ int cmd_kvm(int argc, const char **argv, const char *prefix __maybe_unused)
|
||||||
if (!perf_host)
|
if (!perf_host)
|
||||||
perf_guest = 1;
|
perf_guest = 1;
|
||||||
|
|
||||||
if (!file_name) {
|
if (!kvm.file_name) {
|
||||||
if (perf_host && !perf_guest)
|
if (perf_host && !perf_guest)
|
||||||
sprintf(name_buffer, "perf.data.host");
|
kvm.file_name = strdup("perf.data.host");
|
||||||
else if (!perf_host && perf_guest)
|
else if (!perf_host && perf_guest)
|
||||||
sprintf(name_buffer, "perf.data.guest");
|
kvm.file_name = strdup("perf.data.guest");
|
||||||
else
|
else
|
||||||
sprintf(name_buffer, "perf.data.kvm");
|
kvm.file_name = strdup("perf.data.kvm");
|
||||||
file_name = name_buffer;
|
|
||||||
|
if (!kvm.file_name) {
|
||||||
|
pr_err("Failed to allocate memory for filename\n");
|
||||||
|
return -ENOMEM;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
if (!strncmp(argv[0], "rec", 3))
|
if (!strncmp(argv[0], "rec", 3))
|
||||||
return __cmd_record(argc, argv);
|
return __cmd_record(&kvm, argc, argv);
|
||||||
else if (!strncmp(argv[0], "rep", 3))
|
else if (!strncmp(argv[0], "rep", 3))
|
||||||
return __cmd_report(argc, argv);
|
return __cmd_report(&kvm, argc, argv);
|
||||||
else if (!strncmp(argv[0], "diff", 4))
|
else if (!strncmp(argv[0], "diff", 4))
|
||||||
return cmd_diff(argc, argv, NULL);
|
return cmd_diff(argc, argv, NULL);
|
||||||
else if (!strncmp(argv[0], "top", 3))
|
else if (!strncmp(argv[0], "top", 3))
|
||||||
return cmd_top(argc, argv, NULL);
|
return cmd_top(argc, argv, NULL);
|
||||||
else if (!strncmp(argv[0], "buildid-list", 12))
|
else if (!strncmp(argv[0], "buildid-list", 12))
|
||||||
return __cmd_buildid_list(argc, argv);
|
return __cmd_buildid_list(&kvm, argc, argv);
|
||||||
else if (!strncmp(argv[0], "stat", 4))
|
else if (!strncmp(argv[0], "stat", 4))
|
||||||
return kvm_cmd_stat(argc, argv);
|
return kvm_cmd_stat(&kvm, argc, argv);
|
||||||
else
|
else
|
||||||
usage_with_options(kvm_usage, kvm_options);
|
usage_with_options(kvm_usage, kvm_options);
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue