}
const char *
-ftrace_print_flags_seq(struct trace_seq *p, const char *delim,
- unsigned long flags,
- const struct trace_print_flags *flag_array)
+trace_print_flags_seq(struct trace_seq *p, const char *delim,
+ unsigned long flags,
+ const struct trace_print_flags *flag_array)
{
unsigned long mask;
const char *str;
return ret;
}
-EXPORT_SYMBOL(ftrace_print_flags_seq);
+EXPORT_SYMBOL(trace_print_flags_seq);
const char *
-ftrace_print_symbols_seq(struct trace_seq *p, unsigned long val,
- const struct trace_print_flags *symbol_array)
+trace_print_symbols_seq(struct trace_seq *p, unsigned long val,
+ const struct trace_print_flags *symbol_array)
{
int i;
const char *ret = trace_seq_buffer_ptr(p);
return ret;
}
-EXPORT_SYMBOL(ftrace_print_symbols_seq);
+EXPORT_SYMBOL(trace_print_symbols_seq);
#if BITS_PER_LONG == 32
const char *
-ftrace_print_symbols_seq_u64(struct trace_seq *p, unsigned long long val,
+trace_print_symbols_seq_u64(struct trace_seq *p, unsigned long long val,
const struct trace_print_flags_u64 *symbol_array)
{
int i;
return ret;
}
-EXPORT_SYMBOL(ftrace_print_symbols_seq_u64);
+EXPORT_SYMBOL(trace_print_symbols_seq_u64);
#endif
const char *
-ftrace_print_bitmask_seq(struct trace_seq *p, void *bitmask_ptr,
- unsigned int bitmask_size)
+trace_print_bitmask_seq(struct trace_seq *p, void *bitmask_ptr,
+ unsigned int bitmask_size)
{
const char *ret = trace_seq_buffer_ptr(p);
return ret;
}
-EXPORT_SYMBOL_GPL(ftrace_print_bitmask_seq);
+EXPORT_SYMBOL_GPL(trace_print_bitmask_seq);
const char *
-ftrace_print_hex_seq(struct trace_seq *p, const unsigned char *buf, int buf_len)
+trace_print_hex_seq(struct trace_seq *p, const unsigned char *buf, int buf_len)
{
int i;
const char *ret = trace_seq_buffer_ptr(p);
return ret;
}
-EXPORT_SYMBOL(ftrace_print_hex_seq);
+EXPORT_SYMBOL(trace_print_hex_seq);
const char *
-ftrace_print_array_seq(struct trace_seq *p, const void *buf, int count,
- size_t el_size)
+trace_print_array_seq(struct trace_seq *p, const void *buf, int count,
+ size_t el_size)
{
const char *ret = trace_seq_buffer_ptr(p);
const char *prefix = "";
return ret;
}
-EXPORT_SYMBOL(ftrace_print_array_seq);
+EXPORT_SYMBOL(trace_print_array_seq);
-int ftrace_raw_output_prep(struct trace_iterator *iter,
- struct trace_event *trace_event)
+int trace_raw_output_prep(struct trace_iterator *iter,
+ struct trace_event *trace_event)
{
- struct ftrace_event_call *event;
+ struct trace_event_call *event;
struct trace_seq *s = &iter->seq;
struct trace_seq *p = &iter->tmp_seq;
struct trace_entry *entry;
- event = container_of(trace_event, struct ftrace_event_call, event);
+ event = container_of(trace_event, struct trace_event_call, event);
entry = iter->ent;
if (entry->type != event->event.type) {
}
trace_seq_init(p);
- trace_seq_printf(s, "%s: ", ftrace_event_name(event));
+ trace_seq_printf(s, "%s: ", trace_event_name(event));
return trace_handle_return(s);
}
-EXPORT_SYMBOL(ftrace_raw_output_prep);
+EXPORT_SYMBOL(trace_raw_output_prep);
-static int ftrace_output_raw(struct trace_iterator *iter, char *name,
- char *fmt, va_list ap)
+static int trace_output_raw(struct trace_iterator *iter, char *name,
+ char *fmt, va_list ap)
{
struct trace_seq *s = &iter->seq;
return trace_handle_return(s);
}
-int ftrace_output_call(struct trace_iterator *iter, char *name, char *fmt, ...)
+int trace_output_call(struct trace_iterator *iter, char *name, char *fmt, ...)
{
va_list ap;
int ret;
va_start(ap, fmt);
- ret = ftrace_output_raw(iter, name, fmt, ap);
+ ret = trace_output_raw(iter, name, fmt, ap);
va_end(ap);
return ret;
}
-EXPORT_SYMBOL_GPL(ftrace_output_call);
+EXPORT_SYMBOL_GPL(trace_output_call);
#ifdef CONFIG_KRETPROBES
static inline const char *kretprobed(const char *name)
# define IP_FMT "%016lx"
#endif
-int seq_print_user_ip(struct trace_seq *s, struct mm_struct *mm,
- unsigned long ip, unsigned long sym_flags)
+static int seq_print_user_ip(struct trace_seq *s, struct mm_struct *mm,
+ unsigned long ip, unsigned long sym_flags)
{
struct file *file = NULL;
unsigned long vmstart = 0;
return !trace_seq_has_overflowed(s);
}
-int
-seq_print_userip_objs(const struct userstack_entry *entry, struct trace_seq *s,
- unsigned long sym_flags)
-{
- struct mm_struct *mm = NULL;
- unsigned int i;
-
- if (trace_flags & TRACE_ITER_SYM_USEROBJ) {
- struct task_struct *task;
- /*
- * we do the lookup on the thread group leader,
- * since individual threads might have already quit!
- */
- rcu_read_lock();
- task = find_task_by_vpid(entry->tgid);
- if (task)
- mm = get_task_mm(task);
- rcu_read_unlock();
- }
-
- for (i = 0; i < FTRACE_STACK_ENTRIES; i++) {
- unsigned long ip = entry->caller[i];
-
- if (ip == ULONG_MAX || trace_seq_has_overflowed(s))
- break;
-
- trace_seq_puts(s, " => ");
-
- if (!ip) {
- trace_seq_puts(s, "??");
- trace_seq_putc(s, '\n');
- continue;
- }
-
- seq_print_user_ip(s, mm, ip, sym_flags);
- trace_seq_putc(s, '\n');
- }
-
- if (mm)
- mmput(mm);
-
- return !trace_seq_has_overflowed(s);
-}
-
int
seq_print_ip_sym(struct trace_seq *s, unsigned long ip, unsigned long sym_flags)
{
char sym;
} mark[] = {
MARK(1000000000ULL , '$'), /* 1 sec */
+ MARK(100000000ULL , '@'), /* 100 msec */
+ MARK(10000000ULL , '*'), /* 10 msec */
MARK(1000000ULL , '#'), /* 1000 usecs */
MARK(100000ULL , '!'), /* 100 usecs */
MARK(10000ULL , '+'), /* 10 usecs */
int size = ARRAY_SIZE(mark);
for (i = 0; i < size; i++) {
- if (d >= mark[i].val)
+ if (d > mark[i].val)
break;
}
static int
lat_print_timestamp(struct trace_iterator *iter, u64 next_ts)
{
- unsigned long verbose = trace_flags & TRACE_ITER_VERBOSE;
+ struct trace_array *tr = iter->tr;
+ unsigned long verbose = tr->trace_flags & TRACE_ITER_VERBOSE;
unsigned long in_ns = iter->iter_flags & TRACE_FILE_TIME_IN_NS;
unsigned long long abs_ts = iter->ts - iter->trace_buffer->time_start;
unsigned long long rel_ts = next_ts - iter->ts;
int trace_print_context(struct trace_iterator *iter)
{
+ struct trace_array *tr = iter->tr;
struct trace_seq *s = &iter->seq;
struct trace_entry *entry = iter->ent;
unsigned long long t;
trace_seq_printf(s, "%16s-%-5d [%03d] ",
comm, entry->pid, iter->cpu);
- if (trace_flags & TRACE_ITER_IRQ_INFO)
+ if (tr->trace_flags & TRACE_ITER_IRQ_INFO)
trace_print_lat_fmt(s, entry);
if (iter->iter_flags & TRACE_FILE_TIME_IN_NS) {
int trace_print_lat_context(struct trace_iterator *iter)
{
- u64 next_ts;
+ struct trace_array *tr = iter->tr;
/* trace_find_next_entry will reset ent_size */
int ent_size = iter->ent_size;
struct trace_seq *s = &iter->seq;
+ u64 next_ts;
struct trace_entry *entry = iter->ent,
*next_entry = trace_find_next_entry(iter, NULL,
&next_ts);
- unsigned long verbose = (trace_flags & TRACE_ITER_VERBOSE);
+ unsigned long verbose = (tr->trace_flags & TRACE_ITER_VERBOSE);
/* Restore the original ent_size */
iter->ent_size = ent_size;
}
/* Did we used up all 65 thousand events??? */
- if ((last + 1) > FTRACE_MAX_EVENT)
+ if ((last + 1) > TRACE_EVENT_TYPE_MAX)
return 0;
*list = &e->list;
}
/**
- * register_ftrace_event - register output for an event type
+ * register_trace_event - register output for an event type
* @event: the event type to register
*
* Event types are stored in a hash and this hash is used to
*
* Returns the event type number or zero on error.
*/
-int register_ftrace_event(struct trace_event *event)
+int register_trace_event(struct trace_event *event)
{
unsigned key;
int ret = 0;
if (!event->type) {
struct list_head *list = NULL;
- if (next_event_type > FTRACE_MAX_EVENT) {
+ if (next_event_type > TRACE_EVENT_TYPE_MAX) {
event->type = trace_search_list(&list);
if (!event->type)
return ret;
}
-EXPORT_SYMBOL_GPL(register_ftrace_event);
+EXPORT_SYMBOL_GPL(register_trace_event);
/*
* Used by module code with the trace_event_sem held for write.
*/
-int __unregister_ftrace_event(struct trace_event *event)
+int __unregister_trace_event(struct trace_event *event)
{
hlist_del(&event->node);
list_del(&event->list);
}
/**
- * unregister_ftrace_event - remove a no longer used event
+ * unregister_trace_event - remove a no longer used event
* @event: the event to remove
*/
-int unregister_ftrace_event(struct trace_event *event)
+int unregister_trace_event(struct trace_event *event)
{
down_write(&trace_event_sem);
- __unregister_ftrace_event(event);
+ __unregister_trace_event(event);
up_write(&trace_event_sem);
return 0;
}
-EXPORT_SYMBOL_GPL(unregister_ftrace_event);
+EXPORT_SYMBOL_GPL(unregister_trace_event);
/*
* Standard events
static enum print_line_t trace_user_stack_print(struct trace_iterator *iter,
int flags, struct trace_event *event)
{
+ struct trace_array *tr = iter->tr;
struct userstack_entry *field;
struct trace_seq *s = &iter->seq;
+ struct mm_struct *mm = NULL;
+ unsigned int i;
trace_assign_type(field, iter->ent);
trace_seq_puts(s, "<user stack trace>\n");
- seq_print_userip_objs(field, s, flags);
+
+ if (tr->trace_flags & TRACE_ITER_SYM_USEROBJ) {
+ struct task_struct *task;
+ /*
+ * we do the lookup on the thread group leader,
+ * since individual threads might have already quit!
+ */
+ rcu_read_lock();
+ task = find_task_by_vpid(field->tgid);
+ if (task)
+ mm = get_task_mm(task);
+ rcu_read_unlock();
+ }
+
+ for (i = 0; i < FTRACE_STACK_ENTRIES; i++) {
+ unsigned long ip = field->caller[i];
+
+ if (ip == ULONG_MAX || trace_seq_has_overflowed(s))
+ break;
+
+ trace_seq_puts(s, " => ");
+
+ if (!ip) {
+ trace_seq_puts(s, "??");
+ trace_seq_putc(s, '\n');
+ continue;
+ }
+
+ seq_print_user_ip(s, mm, ip, flags);
+ trace_seq_putc(s, '\n');
+ }
+
+ if (mm)
+ mmput(mm);
return trace_handle_return(s);
}
for (i = 0; events[i]; i++) {
event = events[i];
- ret = register_ftrace_event(event);
+ ret = register_trace_event(event);
if (!ret) {
printk(KERN_WARNING "event %d failed to register\n",
event->type);
Code Review / kvmfornfv.git / blobdiff