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ftrace: remove notrace

Browse source 
now that we have a kbuild method for notrace, no need to pollute the
C code with the annotations.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Ingo Molnar 2008-05-12 21:20:51 +02:00 • committed by Thomas Gleixner
parent b53dde9d34
commit e309b41dd6
8 changed files with 130 additions and 130 deletions
Download patch file Download diff file Expand all files Collapse all files

66
kernel/trace/ftrace.c
View file

@ -53,7 +53,7 @@ ftrace_func_t ftrace_trace_function __read_mostly = ftrace_stub;
/* mcount is defined per arch in assembly */ /* mcount is defined per arch in assembly */
EXPORT_SYMBOL(mcount); EXPORT_SYMBOL(mcount);
notrace void ftrace_list_func(unsigned long ip, unsigned long parent_ip) void ftrace_list_func(unsigned long ip, unsigned long parent_ip)
{ {
struct ftrace_ops *op = ftrace_list; struct ftrace_ops *op = ftrace_list;
@ -79,7 +79,7 @@ void clear_ftrace_function(void)
ftrace_trace_function = ftrace_stub; ftrace_trace_function = ftrace_stub;
} }
static int notrace __register_ftrace_function(struct ftrace_ops *ops) static int __register_ftrace_function(struct ftrace_ops *ops)
{ {
/* Should never be called by interrupts */ /* Should never be called by interrupts */
spin_lock(&ftrace_lock); spin_lock(&ftrace_lock);
@ -110,7 +110,7 @@ static int notrace __register_ftrace_function(struct ftrace_ops *ops)
return 0; return 0;
} }
static int notrace __unregister_ftrace_function(struct ftrace_ops *ops) static int __unregister_ftrace_function(struct ftrace_ops *ops)
{ {
struct ftrace_ops **p; struct ftrace_ops **p;
int ret = 0; int ret = 0;
@ -197,7 +197,7 @@ static int ftrace_record_suspend;
static struct dyn_ftrace *ftrace_free_records; static struct dyn_ftrace *ftrace_free_records;
static inline int notrace static inline int
ftrace_ip_in_hash(unsigned long ip, unsigned long key) ftrace_ip_in_hash(unsigned long ip, unsigned long key)
{ {
struct dyn_ftrace *p; struct dyn_ftrace *p;
@ -214,13 +214,13 @@ ftrace_ip_in_hash(unsigned long ip, unsigned long key)
return found; return found;
} }
static inline void notrace static inline void
ftrace_add_hash(struct dyn_ftrace *node, unsigned long key) ftrace_add_hash(struct dyn_ftrace *node, unsigned long key)
{ {
hlist_add_head(&node->node, &ftrace_hash[key]); hlist_add_head(&node->node, &ftrace_hash[key]);
} }
static notrace void ftrace_free_rec(struct dyn_ftrace *rec) static void ftrace_free_rec(struct dyn_ftrace *rec)
{ {
/* no locking, only called from kstop_machine */ /* no locking, only called from kstop_machine */
@ -229,7 +229,7 @@ static notrace void ftrace_free_rec(struct dyn_ftrace *rec)
rec->flags |= FTRACE_FL_FREE; rec->flags |= FTRACE_FL_FREE;
} }
static notrace struct dyn_ftrace *ftrace_alloc_dyn_node(unsigned long ip) static struct dyn_ftrace *ftrace_alloc_dyn_node(unsigned long ip)
{ {
struct dyn_ftrace *rec; struct dyn_ftrace *rec;
@ -259,7 +259,7 @@ static notrace struct dyn_ftrace *ftrace_alloc_dyn_node(unsigned long ip)
return &ftrace_pages->records[ftrace_pages->index++]; return &ftrace_pages->records[ftrace_pages->index++];
} }
static void notrace static void
ftrace_record_ip(unsigned long ip) ftrace_record_ip(unsigned long ip)
{ {
struct dyn_ftrace *node; struct dyn_ftrace *node;
@ -329,7 +329,7 @@ ftrace_record_ip(unsigned long ip)
#define FTRACE_ADDR ((long)(ftrace_caller)) #define FTRACE_ADDR ((long)(ftrace_caller))
#define MCOUNT_ADDR ((long)(mcount)) #define MCOUNT_ADDR ((long)(mcount))
static void notrace static void
__ftrace_replace_code(struct dyn_ftrace *rec, __ftrace_replace_code(struct dyn_ftrace *rec,
unsigned char *old, unsigned char *new, int enable) unsigned char *old, unsigned char *new, int enable)
{ {
@ -405,7 +405,7 @@ __ftrace_replace_code(struct dyn_ftrace *rec,
} }
} }
static void notrace ftrace_replace_code(int enable) static void ftrace_replace_code(int enable)
{ {
unsigned char *new = NULL, *old = NULL; unsigned char *new = NULL, *old = NULL;
struct dyn_ftrace *rec; struct dyn_ftrace *rec;
@ -430,7 +430,7 @@ static void notrace ftrace_replace_code(int enable)
} }
} }
static notrace void ftrace_shutdown_replenish(void) static void ftrace_shutdown_replenish(void)
{ {
if (ftrace_pages->next) if (ftrace_pages->next)
return; return;
@ -439,7 +439,7 @@ static notrace void ftrace_shutdown_replenish(void)
ftrace_pages->next = (void *)get_zeroed_page(GFP_KERNEL); ftrace_pages->next = (void *)get_zeroed_page(GFP_KERNEL);
} }
static notrace void static void
ftrace_code_disable(struct dyn_ftrace *rec) ftrace_code_disable(struct dyn_ftrace *rec)
{ {
unsigned long ip; unsigned long ip;
@ -458,7 +458,7 @@ ftrace_code_disable(struct dyn_ftrace *rec)
} }
} }
static int notrace __ftrace_modify_code(void *data) static int __ftrace_modify_code(void *data)
{ {
unsigned long addr; unsigned long addr;
int *command = data; int *command = data;
@ -482,14 +482,14 @@ static int notrace __ftrace_modify_code(void *data)
return 0; return 0;
} }
static void notrace ftrace_run_update_code(int command) static void ftrace_run_update_code(int command)
{ {
stop_machine_run(__ftrace_modify_code, &command, NR_CPUS); stop_machine_run(__ftrace_modify_code, &command, NR_CPUS);
} }
static ftrace_func_t saved_ftrace_func; static ftrace_func_t saved_ftrace_func;
static void notrace ftrace_startup(void) static void ftrace_startup(void)
{ {
int command = 0; int command = 0;
@ -514,7 +514,7 @@ static void notrace ftrace_startup(void)
mutex_unlock(&ftraced_lock); mutex_unlock(&ftraced_lock);
} }
static void notrace ftrace_shutdown(void) static void ftrace_shutdown(void)
{ {
int command = 0; int command = 0;
@ -539,7 +539,7 @@ static void notrace ftrace_shutdown(void)
mutex_unlock(&ftraced_lock); mutex_unlock(&ftraced_lock);
} }
static void notrace ftrace_startup_sysctl(void) static void ftrace_startup_sysctl(void)
{ {
int command = FTRACE_ENABLE_MCOUNT; int command = FTRACE_ENABLE_MCOUNT;
@ -557,7 +557,7 @@ static void notrace ftrace_startup_sysctl(void)
mutex_unlock(&ftraced_lock); mutex_unlock(&ftraced_lock);
} }
static void notrace ftrace_shutdown_sysctl(void) static void ftrace_shutdown_sysctl(void)
{ {
int command = FTRACE_DISABLE_MCOUNT; int command = FTRACE_DISABLE_MCOUNT;
@ -577,7 +577,7 @@ static cycle_t ftrace_update_time;
static unsigned long ftrace_update_cnt; static unsigned long ftrace_update_cnt;
unsigned long ftrace_update_tot_cnt; unsigned long ftrace_update_tot_cnt;
static int notrace __ftrace_update_code(void *ignore) static int __ftrace_update_code(void *ignore)
{ {
struct dyn_ftrace *p; struct dyn_ftrace *p;
struct hlist_head head; struct hlist_head head;
@ -618,7 +618,7 @@ static int notrace __ftrace_update_code(void *ignore)
return 0; return 0;
} }
static void notrace ftrace_update_code(void) static void ftrace_update_code(void)
{ {
if (unlikely(ftrace_disabled)) if (unlikely(ftrace_disabled))
return; return;
@ -626,7 +626,7 @@ static void notrace ftrace_update_code(void)
stop_machine_run(__ftrace_update_code, NULL, NR_CPUS); stop_machine_run(__ftrace_update_code, NULL, NR_CPUS);
} }
static int notrace ftraced(void *ignore) static int ftraced(void *ignore)
{ {
unsigned long usecs; unsigned long usecs;
@ -733,7 +733,7 @@ struct ftrace_iterator {
unsigned filtered; unsigned filtered;
}; };
static void notrace * static void *
t_next(struct seq_file *m, void *v, loff_t *pos) t_next(struct seq_file *m, void *v, loff_t *pos)
{ {
struct ftrace_iterator *iter = m->private; struct ftrace_iterator *iter = m->private;
@ -806,7 +806,7 @@ static struct seq_operations show_ftrace_seq_ops = {
.show = t_show, .show = t_show,
}; };
static int notrace static int
ftrace_avail_open(struct inode *inode, struct file *file) ftrace_avail_open(struct inode *inode, struct file *file)
{ {
struct ftrace_iterator *iter; struct ftrace_iterator *iter;
@ -845,7 +845,7 @@ int ftrace_avail_release(struct inode *inode, struct file *file)
return 0; return 0;
} }
static void notrace ftrace_filter_reset(void) static void ftrace_filter_reset(void)
{ {
struct ftrace_page *pg; struct ftrace_page *pg;
struct dyn_ftrace *rec; struct dyn_ftrace *rec;
@ -867,7 +867,7 @@ static void notrace ftrace_filter_reset(void)
preempt_enable(); preempt_enable();
} }
static int notrace static int
ftrace_filter_open(struct inode *inode, struct file *file) ftrace_filter_open(struct inode *inode, struct file *file)
{ {
struct ftrace_iterator *iter; struct ftrace_iterator *iter;
@ -903,7 +903,7 @@ ftrace_filter_open(struct inode *inode, struct file *file)
return ret; return ret;
} }
static ssize_t notrace static ssize_t
ftrace_filter_read(struct file *file, char __user *ubuf, ftrace_filter_read(struct file *file, char __user *ubuf,
size_t cnt, loff_t *ppos) size_t cnt, loff_t *ppos)
{ {
@ -913,7 +913,7 @@ ftrace_filter_read(struct file *file, char __user *ubuf,
return -EPERM; return -EPERM;
} }
static loff_t notrace static loff_t
ftrace_filter_lseek(struct file *file, loff_t offset, int origin) ftrace_filter_lseek(struct file *file, loff_t offset, int origin)
{ {
loff_t ret; loff_t ret;
@ -933,7 +933,7 @@ enum {
MATCH_END_ONLY, MATCH_END_ONLY,
}; };
static void notrace static void
ftrace_match(unsigned char *buff, int len) ftrace_match(unsigned char *buff, int len)
{ {
char str[KSYM_SYMBOL_LEN]; char str[KSYM_SYMBOL_LEN];
@ -1002,7 +1002,7 @@ ftrace_match(unsigned char *buff, int len)
preempt_enable(); preempt_enable();
} }
static ssize_t notrace static ssize_t
ftrace_filter_write(struct file *file, const char __user *ubuf, ftrace_filter_write(struct file *file, const char __user *ubuf,
size_t cnt, loff_t *ppos) size_t cnt, loff_t *ppos)
{ {
@ -1094,7 +1094,7 @@ ftrace_filter_write(struct file *file, const char __user *ubuf,
* Filters denote which functions should be enabled when tracing is enabled. * Filters denote which functions should be enabled when tracing is enabled.
* If @buf is NULL and reset is set, all functions will be enabled for tracing. * If @buf is NULL and reset is set, all functions will be enabled for tracing.
*/ */
notrace void ftrace_set_filter(unsigned char *buf, int len, int reset) void ftrace_set_filter(unsigned char *buf, int len, int reset)
{ {
if (unlikely(ftrace_disabled)) if (unlikely(ftrace_disabled))
return; return;
@ -1107,7 +1107,7 @@ notrace void ftrace_set_filter(unsigned char *buf, int len, int reset)
mutex_unlock(&ftrace_filter_lock); mutex_unlock(&ftrace_filter_lock);
} }
static int notrace static int
ftrace_filter_release(struct inode *inode, struct file *file) ftrace_filter_release(struct inode *inode, struct file *file)
{ {
struct seq_file *m = (struct seq_file *)file->private_data; struct seq_file *m = (struct seq_file *)file->private_data;
@ -1242,7 +1242,7 @@ static __init int ftrace_init_debugfs(void)
fs_initcall(ftrace_init_debugfs); fs_initcall(ftrace_init_debugfs);
static int __init notrace ftrace_dynamic_init(void) static int __init ftrace_dynamic_init(void)
{ {
struct task_struct *p; struct task_struct *p;
unsigned long addr; unsigned long addr;
@ -1352,7 +1352,7 @@ int unregister_ftrace_function(struct ftrace_ops *ops)
return ret; return ret;
} }
notrace int int
ftrace_enable_sysctl(struct ctl_table *table, int write, ftrace_enable_sysctl(struct ctl_table *table, int write,
struct file *file, void __user *buffer, size_t *lenp, struct file *file, void __user *buffer, size_t *lenp,
loff_t *ppos) loff_t *ppos)

94
kernel/trace/trace.c
View file

@ -35,7 +35,7 @@ unsigned long __read_mostly tracing_thresh;
static int tracing_disabled = 1; static int tracing_disabled = 1;
static long notrace static long
ns2usecs(cycle_t nsec) ns2usecs(cycle_t nsec)
{ {
nsec += 500; nsec += 500;
@ -43,7 +43,7 @@ ns2usecs(cycle_t nsec)
return nsec; return nsec;
} }
notrace cycle_t ftrace_now(int cpu) cycle_t ftrace_now(int cpu)
{ {
return cpu_clock(cpu); return cpu_clock(cpu);
} }
@ -135,7 +135,7 @@ static DEFINE_SPINLOCK(ftrace_max_lock);
* structure. (this way the maximum trace is permanently saved, * structure. (this way the maximum trace is permanently saved,
* for later retrieval via /debugfs/tracing/latency_trace) * for later retrieval via /debugfs/tracing/latency_trace)
*/ */
static notrace void static void
__update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu) __update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
{ {
struct trace_array_cpu *data = tr->data[cpu]; struct trace_array_cpu *data = tr->data[cpu];
@ -184,7 +184,7 @@ void *head_page(struct trace_array_cpu *data)
return page_address(page); return page_address(page);
} }
static notrace int static int
trace_seq_printf(struct trace_seq *s, const char *fmt, ...) trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
{ {
int len = (PAGE_SIZE - 1) - s->len; int len = (PAGE_SIZE - 1) - s->len;
@ -207,7 +207,7 @@ trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
return len; return len;
} }
static notrace int static int
trace_seq_puts(struct trace_seq *s, const char *str) trace_seq_puts(struct trace_seq *s, const char *str)
{ {
int len = strlen(str); int len = strlen(str);
@ -221,7 +221,7 @@ trace_seq_puts(struct trace_seq *s, const char *str)
return len; return len;
} }
static notrace int static int
trace_seq_putc(struct trace_seq *s, unsigned char c) trace_seq_putc(struct trace_seq *s, unsigned char c)
{ {
if (s->len >= (PAGE_SIZE - 1)) if (s->len >= (PAGE_SIZE - 1))
@ -232,7 +232,7 @@ trace_seq_putc(struct trace_seq *s, unsigned char c)
return 1; return 1;
} }
static notrace int static int
trace_seq_putmem(struct trace_seq *s, void *mem, size_t len) trace_seq_putmem(struct trace_seq *s, void *mem, size_t len)
{ {
if (len > ((PAGE_SIZE - 1) - s->len)) if (len > ((PAGE_SIZE - 1) - s->len))
@ -246,7 +246,7 @@ trace_seq_putmem(struct trace_seq *s, void *mem, size_t len)
#define HEX_CHARS 17 #define HEX_CHARS 17
static notrace int static int
trace_seq_putmem_hex(struct trace_seq *s, void *mem, size_t len) trace_seq_putmem_hex(struct trace_seq *s, void *mem, size_t len)
{ {
unsigned char hex[HEX_CHARS]; unsigned char hex[HEX_CHARS];
@ -285,13 +285,13 @@ trace_seq_putmem_hex(struct trace_seq *s, void *mem, size_t len)
return trace_seq_putmem(s, hex, j); return trace_seq_putmem(s, hex, j);
} }
static notrace void static void
trace_seq_reset(struct trace_seq *s) trace_seq_reset(struct trace_seq *s)
{ {
s->len = 0; s->len = 0;
} }
static notrace void static void
trace_print_seq(struct seq_file *m, struct trace_seq *s) trace_print_seq(struct seq_file *m, struct trace_seq *s)
{ {
int len = s->len >= PAGE_SIZE ? PAGE_SIZE - 1 : s->len; int len = s->len >= PAGE_SIZE ? PAGE_SIZE - 1 : s->len;
@ -302,7 +302,7 @@ trace_print_seq(struct seq_file *m, struct trace_seq *s)
trace_seq_reset(s); trace_seq_reset(s);
} }
notrace static void static void
flip_trace(struct trace_array_cpu *tr1, struct trace_array_cpu *tr2) flip_trace(struct trace_array_cpu *tr1, struct trace_array_cpu *tr2)
{ {
struct list_head flip_pages; struct list_head flip_pages;
@ -323,7 +323,7 @@ flip_trace(struct trace_array_cpu *tr1, struct trace_array_cpu *tr2)
check_pages(tr2); check_pages(tr2);
} }
notrace void void
update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu) update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
{ {
struct trace_array_cpu *data; struct trace_array_cpu *data;
@ -348,7 +348,7 @@ update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
* @tsk - task with the latency * @tsk - task with the latency
* @cpu - the cpu of the buffer to copy. * @cpu - the cpu of the buffer to copy.
*/ */
notrace void void
update_max_tr_single(struct trace_array *tr, struct task_struct *tsk, int cpu) update_max_tr_single(struct trace_array *tr, struct task_struct *tsk, int cpu)
{ {
struct trace_array_cpu *data = tr->data[cpu]; struct trace_array_cpu *data = tr->data[cpu];
@ -471,7 +471,7 @@ void unregister_tracer(struct tracer *type)
mutex_unlock(&trace_types_lock); mutex_unlock(&trace_types_lock);
} }
notrace void tracing_reset(struct trace_array_cpu *data) void tracing_reset(struct trace_array_cpu *data)
{ {
data->trace_idx = 0; data->trace_idx = 0;
data->trace_head = data->trace_tail = head_page(data); data->trace_head = data->trace_tail = head_page(data);
@ -494,9 +494,9 @@ static void trace_init_cmdlines(void)
cmdline_idx = 0; cmdline_idx = 0;
} }
notrace void trace_stop_cmdline_recording(void); void trace_stop_cmdline_recording(void);
static notrace void trace_save_cmdline(struct task_struct *tsk) static void trace_save_cmdline(struct task_struct *tsk)
{ {
unsigned map; unsigned map;
unsigned idx; unsigned idx;
@ -531,7 +531,7 @@ static notrace void trace_save_cmdline(struct task_struct *tsk)
spin_unlock(&trace_cmdline_lock); spin_unlock(&trace_cmdline_lock);
} }
static notrace char *trace_find_cmdline(int pid) static char *trace_find_cmdline(int pid)
{ {
char *cmdline = "<...>"; char *cmdline = "<...>";
unsigned map; unsigned map;
@ -552,7 +552,7 @@ static notrace char *trace_find_cmdline(int pid)
return cmdline; return cmdline;
} }
notrace void tracing_record_cmdline(struct task_struct *tsk) void tracing_record_cmdline(struct task_struct *tsk)
{ {
if (atomic_read(&trace_record_cmdline_disabled)) if (atomic_read(&trace_record_cmdline_disabled))
return; return;
@ -560,7 +560,7 @@ notrace void tracing_record_cmdline(struct task_struct *tsk)
trace_save_cmdline(tsk); trace_save_cmdline(tsk);
} }
static inline notrace struct list_head * static inline struct list_head *
trace_next_list(struct trace_array_cpu *data, struct list_head *next) trace_next_list(struct trace_array_cpu *data, struct list_head *next)
{ {
/* /*
@ -574,7 +574,7 @@ trace_next_list(struct trace_array_cpu *data, struct list_head *next)
return next; return next;
} }
static inline notrace void * static inline void *
trace_next_page(struct trace_array_cpu *data, void *addr) trace_next_page(struct trace_array_cpu *data, void *addr)
{ {
struct list_head *next; struct list_head *next;
@ -588,7 +588,7 @@ trace_next_page(struct trace_array_cpu *data, void *addr)
return page_address(page); return page_address(page);
} }
static inline notrace struct trace_entry * static inline struct trace_entry *
tracing_get_trace_entry(struct trace_array *tr, struct trace_array_cpu *data) tracing_get_trace_entry(struct trace_array *tr, struct trace_array_cpu *data)
{ {
unsigned long idx, idx_next; unsigned long idx, idx_next;
@ -623,7 +623,7 @@ tracing_get_trace_entry(struct trace_array *tr, struct trace_array_cpu *data)
return entry; return entry;
} }
static inline notrace void static inline void
tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags) tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags)
{ {
struct task_struct *tsk = current; struct task_struct *tsk = current;
@ -640,7 +640,7 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags)
(need_resched() ? TRACE_FLAG_NEED_RESCHED : 0); (need_resched() ? TRACE_FLAG_NEED_RESCHED : 0);
} }
notrace void void
trace_function(struct trace_array *tr, struct trace_array_cpu *data, trace_function(struct trace_array *tr, struct trace_array_cpu *data,
unsigned long ip, unsigned long parent_ip, unsigned long flags) unsigned long ip, unsigned long parent_ip, unsigned long flags)
{ {
@ -659,7 +659,7 @@ trace_function(struct trace_array *tr, struct trace_array_cpu *data,
wake_up (&trace_wait); wake_up (&trace_wait);
} }
notrace void void
ftrace(struct trace_array *tr, struct trace_array_cpu *data, ftrace(struct trace_array *tr, struct trace_array_cpu *data,
unsigned long ip, unsigned long parent_ip, unsigned long flags) unsigned long ip, unsigned long parent_ip, unsigned long flags)
{ {
@ -667,7 +667,7 @@ ftrace(struct trace_array *tr, struct trace_array_cpu *data,
trace_function(tr, data, ip, parent_ip, flags); trace_function(tr, data, ip, parent_ip, flags);
} }
notrace void void
trace_special(struct trace_array *tr, struct trace_array_cpu *data, trace_special(struct trace_array *tr, struct trace_array_cpu *data,
unsigned long arg1, unsigned long arg2, unsigned long arg3) unsigned long arg1, unsigned long arg2, unsigned long arg3)
{ {
@ -687,7 +687,7 @@ trace_special(struct trace_array *tr, struct trace_array_cpu *data,
wake_up (&trace_wait); wake_up (&trace_wait);
} }
notrace void void
tracing_sched_switch_trace(struct trace_array *tr, tracing_sched_switch_trace(struct trace_array *tr,
struct trace_array_cpu *data, struct trace_array_cpu *data,
struct task_struct *prev, struct task_struct *next, struct task_struct *prev, struct task_struct *next,
@ -712,7 +712,7 @@ tracing_sched_switch_trace(struct trace_array *tr,
} }
#ifdef CONFIG_FTRACE #ifdef CONFIG_FTRACE
static notrace void static void
function_trace_call(unsigned long ip, unsigned long parent_ip) function_trace_call(unsigned long ip, unsigned long parent_ip)
{ {
struct trace_array *tr = &global_trace; struct trace_array *tr = &global_trace;
@ -741,12 +741,12 @@ static struct ftrace_ops trace_ops __read_mostly =
.func = function_trace_call, .func = function_trace_call,
}; };
notrace void tracing_start_function_trace(void) void tracing_start_function_trace(void)
{ {
register_ftrace_function(&trace_ops); register_ftrace_function(&trace_ops);
} }
notrace void tracing_stop_function_trace(void) void tracing_stop_function_trace(void)
{ {
unregister_ftrace_function(&trace_ops); unregister_ftrace_function(&trace_ops);
} }
@ -786,7 +786,7 @@ trace_entry_idx(struct trace_array *tr, struct trace_array_cpu *data,
return &array[iter->next_page_idx[cpu]]; return &array[iter->next_page_idx[cpu]];
} }
static struct trace_entry * notrace static struct trace_entry *
find_next_entry(struct trace_iterator *iter, int *ent_cpu) find_next_entry(struct trace_iterator *iter, int *ent_cpu)
{ {
struct trace_array *tr = iter->tr; struct trace_array *tr = iter->tr;
@ -813,7 +813,7 @@ find_next_entry(struct trace_iterator *iter, int *ent_cpu)
return next; return next;
} }
static notrace void trace_iterator_increment(struct trace_iterator *iter) static void trace_iterator_increment(struct trace_iterator *iter)
{ {
iter->idx++; iter->idx++;
iter->next_idx[iter->cpu]++; iter->next_idx[iter->cpu]++;
@ -828,7 +828,7 @@ static notrace void trace_iterator_increment(struct trace_iterator *iter)
} }
} }
static notrace void trace_consume(struct trace_iterator *iter) static void trace_consume(struct trace_iterator *iter)
{ {
struct trace_array_cpu *data = iter->tr->data[iter->cpu]; struct trace_array_cpu *data = iter->tr->data[iter->cpu];
@ -844,7 +844,7 @@ static notrace void trace_consume(struct trace_iterator *iter)
data->trace_idx = 0; data->trace_idx = 0;
} }
static notrace void *find_next_entry_inc(struct trace_iterator *iter) static void *find_next_entry_inc(struct trace_iterator *iter)
{ {
struct trace_entry *next; struct trace_entry *next;
int next_cpu = -1; int next_cpu = -1;
@ -863,7 +863,7 @@ static notrace void *find_next_entry_inc(struct trace_iterator *iter)
return next ? iter : NULL; return next ? iter : NULL;
} }
static notrace void *s_next(struct seq_file *m, void *v, loff_t *pos) static void *s_next(struct seq_file *m, void *v, loff_t *pos)
{ {
struct trace_iterator *iter = m->private; struct trace_iterator *iter = m->private;
void *last_ent = iter->ent; void *last_ent = iter->ent;
@ -978,7 +978,7 @@ seq_print_sym_offset(struct trace_seq *s, const char *fmt,
# define IP_FMT "%016lx" # define IP_FMT "%016lx"
#endif #endif
static notrace int static int
seq_print_ip_sym(struct trace_seq *s, unsigned long ip, unsigned long sym_flags) seq_print_ip_sym(struct trace_seq *s, unsigned long ip, unsigned long sym_flags)
{ {
int ret; int ret;
@ -999,7 +999,7 @@ seq_print_ip_sym(struct trace_seq *s, unsigned long ip, unsigned long sym_flags)
return ret; return ret;
} }
static notrace void print_lat_help_header(struct seq_file *m) static void print_lat_help_header(struct seq_file *m)
{ {
seq_puts(m, "# _------=> CPU# \n"); seq_puts(m, "# _------=> CPU# \n");
seq_puts(m, "# / _-----=> irqs-off \n"); seq_puts(m, "# / _-----=> irqs-off \n");
@ -1012,14 +1012,14 @@ static notrace void print_lat_help_header(struct seq_file *m)
seq_puts(m, "# \\ / ||||| \\ | / \n"); seq_puts(m, "# \\ / ||||| \\ | / \n");
} }
static notrace void print_func_help_header(struct seq_file *m) static void print_func_help_header(struct seq_file *m)
{ {
seq_puts(m, "# TASK-PID CPU# TIMESTAMP FUNCTION\n"); seq_puts(m, "# TASK-PID CPU# TIMESTAMP FUNCTION\n");
seq_puts(m, "# | | | | |\n"); seq_puts(m, "# | | | | |\n");
} }
static notrace void static void
print_trace_header(struct seq_file *m, struct trace_iterator *iter) print_trace_header(struct seq_file *m, struct trace_iterator *iter)
{ {
unsigned long sym_flags = (trace_flags & TRACE_ITER_SYM_MASK); unsigned long sym_flags = (trace_flags & TRACE_ITER_SYM_MASK);
@ -1090,7 +1090,7 @@ print_trace_header(struct seq_file *m, struct trace_iterator *iter)
seq_puts(m, "\n"); seq_puts(m, "\n");
} }
static notrace void static void
lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu) lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu)
{ {
int hardirq, softirq; int hardirq, softirq;
@ -1127,7 +1127,7 @@ lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu)
unsigned long preempt_mark_thresh = 100; unsigned long preempt_mark_thresh = 100;
static notrace void static void
lat_print_timestamp(struct trace_seq *s, unsigned long long abs_usecs, lat_print_timestamp(struct trace_seq *s, unsigned long long abs_usecs,
unsigned long rel_usecs) unsigned long rel_usecs)
{ {
@ -1142,7 +1142,7 @@ lat_print_timestamp(struct trace_seq *s, unsigned long long abs_usecs,
static const char state_to_char[] = TASK_STATE_TO_CHAR_STR; static const char state_to_char[] = TASK_STATE_TO_CHAR_STR;
static notrace int static int
print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
{ {
struct trace_seq *s = &iter->seq; struct trace_seq *s = &iter->seq;
@ -1206,7 +1206,7 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
return 1; return 1;
} }
static notrace int print_trace_fmt(struct trace_iterator *iter) static int print_trace_fmt(struct trace_iterator *iter)
{ {
struct trace_seq *s = &iter->seq; struct trace_seq *s = &iter->seq;
unsigned long sym_flags = (trace_flags & TRACE_ITER_SYM_MASK); unsigned long sym_flags = (trace_flags & TRACE_ITER_SYM_MASK);
@ -1279,7 +1279,7 @@ static notrace int print_trace_fmt(struct trace_iterator *iter)
return 1; return 1;
} }
static notrace int print_raw_fmt(struct trace_iterator *iter) static int print_raw_fmt(struct trace_iterator *iter)
{ {
struct trace_seq *s = &iter->seq; struct trace_seq *s = &iter->seq;
struct trace_entry *entry; struct trace_entry *entry;
@ -1336,7 +1336,7 @@ do { \
return 0; \ return 0; \
} while (0) } while (0)
static notrace int print_hex_fmt(struct trace_iterator *iter) static int print_hex_fmt(struct trace_iterator *iter)
{ {
struct trace_seq *s = &iter->seq; struct trace_seq *s = &iter->seq;
unsigned char newline = '\n'; unsigned char newline = '\n';
@ -1375,7 +1375,7 @@ static notrace int print_hex_fmt(struct trace_iterator *iter)
return 1; return 1;
} }
static notrace int print_bin_fmt(struct trace_iterator *iter) static int print_bin_fmt(struct trace_iterator *iter)
{ {
struct trace_seq *s = &iter->seq; struct trace_seq *s = &iter->seq;
struct trace_entry *entry; struct trace_entry *entry;
@ -1475,7 +1475,7 @@ static struct seq_operations tracer_seq_ops = {
.show = s_show, .show = s_show,
}; };
static struct trace_iterator notrace * static struct trace_iterator *
__tracing_open(struct inode *inode, struct file *file, int *ret) __tracing_open(struct inode *inode, struct file *file, int *ret)
{ {
struct trace_iterator *iter; struct trace_iterator *iter;
@ -1572,7 +1572,7 @@ static int tracing_lt_open(struct inode *inode, struct file *file)
} }
static notrace void * static void *
t_next(struct seq_file *m, void *v, loff_t *pos) t_next(struct seq_file *m, void *v, loff_t *pos)
{ {
struct tracer *t = m->private; struct tracer *t = m->private;

6
kernel/trace/trace.h
View file

@ -150,7 +150,7 @@ struct trace_iterator {
long idx; long idx;
}; };
void notrace tracing_reset(struct trace_array_cpu *data); void tracing_reset(struct trace_array_cpu *data);
int tracing_open_generic(struct inode *inode, struct file *filp); int tracing_open_generic(struct inode *inode, struct file *filp);
struct dentry *tracing_init_dentry(void); struct dentry *tracing_init_dentry(void);
void ftrace(struct trace_array *tr, void ftrace(struct trace_array *tr,
@ -189,10 +189,10 @@ void update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu);
void update_max_tr_single(struct trace_array *tr, void update_max_tr_single(struct trace_array *tr,
struct task_struct *tsk, int cpu); struct task_struct *tsk, int cpu);
extern notrace cycle_t ftrace_now(int cpu); extern cycle_t ftrace_now(int cpu);
#ifdef CONFIG_SCHED_TRACER #ifdef CONFIG_SCHED_TRACER
extern void notrace extern void
wakeup_sched_switch(struct task_struct *prev, struct task_struct *next); wakeup_sched_switch(struct task_struct *prev, struct task_struct *next);
#else #else
static inline void static inline void

12
kernel/trace/trace_functions.c
View file

@ -16,7 +16,7 @@
#include "trace.h" #include "trace.h"
static notrace void function_reset(struct trace_array *tr) static void function_reset(struct trace_array *tr)
{ {
int cpu; int cpu;
@ -26,30 +26,30 @@ static notrace void function_reset(struct trace_array *tr)
tracing_reset(tr->data[cpu]); tracing_reset(tr->data[cpu]);
} }
static notrace void start_function_trace(struct trace_array *tr) static void start_function_trace(struct trace_array *tr)
{ {
function_reset(tr); function_reset(tr);
tracing_start_function_trace(); tracing_start_function_trace();
} }
static notrace void stop_function_trace(struct trace_array *tr) static void stop_function_trace(struct trace_array *tr)
{ {
tracing_stop_function_trace(); tracing_stop_function_trace();
} }
static notrace void function_trace_init(struct trace_array *tr) static void function_trace_init(struct trace_array *tr)
{ {
if (tr->ctrl) if (tr->ctrl)
start_function_trace(tr); start_function_trace(tr);
} }
static notrace void function_trace_reset(struct trace_array *tr) static void function_trace_reset(struct trace_array *tr)
{ {
if (tr->ctrl) if (tr->ctrl)
stop_function_trace(tr); stop_function_trace(tr);
} }
static notrace void function_trace_ctrl_update(struct trace_array *tr) static void function_trace_ctrl_update(struct trace_array *tr)
{ {
if (tr->ctrl) if (tr->ctrl)
start_function_trace(tr); start_function_trace(tr);

40
kernel/trace/trace_irqsoff.c
View file

@ -33,7 +33,7 @@ enum {
static int trace_type __read_mostly; static int trace_type __read_mostly;
#ifdef CONFIG_PREEMPT_TRACER #ifdef CONFIG_PREEMPT_TRACER
static inline int notrace static inline int
preempt_trace(void) preempt_trace(void)
{ {
return ((trace_type & TRACER_PREEMPT_OFF) && preempt_count()); return ((trace_type & TRACER_PREEMPT_OFF) && preempt_count());
@ -43,7 +43,7 @@ preempt_trace(void)
#endif #endif
#ifdef CONFIG_IRQSOFF_TRACER #ifdef CONFIG_IRQSOFF_TRACER
static inline int notrace static inline int
irq_trace(void) irq_trace(void)
{ {
return ((trace_type & TRACER_IRQS_OFF) && return ((trace_type & TRACER_IRQS_OFF) &&
@ -67,7 +67,7 @@ static __cacheline_aligned_in_smp unsigned long max_sequence;
/* /*
* irqsoff uses its own tracer function to keep the overhead down: * irqsoff uses its own tracer function to keep the overhead down:
*/ */
static void notrace static void
irqsoff_tracer_call(unsigned long ip, unsigned long parent_ip) irqsoff_tracer_call(unsigned long ip, unsigned long parent_ip)
{ {
struct trace_array *tr = irqsoff_trace; struct trace_array *tr = irqsoff_trace;
@ -109,7 +109,7 @@ static struct ftrace_ops trace_ops __read_mostly =
/* /*
* Should this new latency be reported/recorded? * Should this new latency be reported/recorded?
*/ */
static int notrace report_latency(cycle_t delta) static int report_latency(cycle_t delta)
{ {
if (tracing_thresh) { if (tracing_thresh) {
if (delta < tracing_thresh) if (delta < tracing_thresh)
@ -121,7 +121,7 @@ static int notrace report_latency(cycle_t delta)
return 1; return 1;
} }
static void notrace static void
check_critical_timing(struct trace_array *tr, check_critical_timing(struct trace_array *tr,
struct trace_array_cpu *data, struct trace_array_cpu *data,
unsigned long parent_ip, unsigned long parent_ip,
@ -191,7 +191,7 @@ out:
trace_function(tr, data, CALLER_ADDR0, parent_ip, flags); trace_function(tr, data, CALLER_ADDR0, parent_ip, flags);
} }
static inline void notrace static inline void
start_critical_timing(unsigned long ip, unsigned long parent_ip) start_critical_timing(unsigned long ip, unsigned long parent_ip)
{ {
int cpu; int cpu;
@ -228,7 +228,7 @@ start_critical_timing(unsigned long ip, unsigned long parent_ip)
atomic_dec(&data->disabled); atomic_dec(&data->disabled);
} }
static inline void notrace static inline void
stop_critical_timing(unsigned long ip, unsigned long parent_ip) stop_critical_timing(unsigned long ip, unsigned long parent_ip)
{ {
int cpu; int cpu;
@ -261,13 +261,13 @@ stop_critical_timing(unsigned long ip, unsigned long parent_ip)
} }
/* start and stop critical timings used to for stoppage (in idle) */ /* start and stop critical timings used to for stoppage (in idle) */
void notrace start_critical_timings(void) void start_critical_timings(void)
{ {
if (preempt_trace() || irq_trace()) if (preempt_trace() || irq_trace())
start_critical_timing(CALLER_ADDR0, CALLER_ADDR1); start_critical_timing(CALLER_ADDR0, CALLER_ADDR1);
} }
void notrace stop_critical_timings(void) void stop_critical_timings(void)
{ {
if (preempt_trace() || irq_trace()) if (preempt_trace() || irq_trace())
stop_critical_timing(CALLER_ADDR0, CALLER_ADDR1); stop_critical_timing(CALLER_ADDR0, CALLER_ADDR1);
@ -275,13 +275,13 @@ void notrace stop_critical_timings(void)
#ifdef CONFIG_IRQSOFF_TRACER #ifdef CONFIG_IRQSOFF_TRACER
#ifdef CONFIG_PROVE_LOCKING #ifdef CONFIG_PROVE_LOCKING
void notrace time_hardirqs_on(unsigned long a0, unsigned long a1) void time_hardirqs_on(unsigned long a0, unsigned long a1)
{ {
if (!preempt_trace() && irq_trace()) if (!preempt_trace() && irq_trace())
stop_critical_timing(a0, a1); stop_critical_timing(a0, a1);
} }
void notrace time_hardirqs_off(unsigned long a0, unsigned long a1) void time_hardirqs_off(unsigned long a0, unsigned long a1)
{ {
if (!preempt_trace() && irq_trace()) if (!preempt_trace() && irq_trace())
start_critical_timing(a0, a1); start_critical_timing(a0, a1);
@ -309,35 +309,35 @@ void trace_softirqs_off(unsigned long ip)
{ {
} }
inline notrace void print_irqtrace_events(struct task_struct *curr) inline void print_irqtrace_events(struct task_struct *curr)
{ {
} }
/* /*
* We are only interested in hardirq on/off events: * We are only interested in hardirq on/off events:
*/ */
void notrace trace_hardirqs_on(void) void trace_hardirqs_on(void)
{ {
if (!preempt_trace() && irq_trace()) if (!preempt_trace() && irq_trace())
stop_critical_timing(CALLER_ADDR0, CALLER_ADDR1); stop_critical_timing(CALLER_ADDR0, CALLER_ADDR1);
} }
EXPORT_SYMBOL(trace_hardirqs_on); EXPORT_SYMBOL(trace_hardirqs_on);
void notrace trace_hardirqs_off(void) void trace_hardirqs_off(void)
{ {
if (!preempt_trace() && irq_trace()) if (!preempt_trace() && irq_trace())
start_critical_timing(CALLER_ADDR0, CALLER_ADDR1); start_critical_timing(CALLER_ADDR0, CALLER_ADDR1);
} }
EXPORT_SYMBOL(trace_hardirqs_off); EXPORT_SYMBOL(trace_hardirqs_off);
void notrace trace_hardirqs_on_caller(unsigned long caller_addr) void trace_hardirqs_on_caller(unsigned long caller_addr)
{ {
if (!preempt_trace() && irq_trace()) if (!preempt_trace() && irq_trace())
stop_critical_timing(CALLER_ADDR0, caller_addr); stop_critical_timing(CALLER_ADDR0, caller_addr);
} }
EXPORT_SYMBOL(trace_hardirqs_on_caller); EXPORT_SYMBOL(trace_hardirqs_on_caller);
void notrace trace_hardirqs_off_caller(unsigned long caller_addr) void trace_hardirqs_off_caller(unsigned long caller_addr)
{ {
if (!preempt_trace() && irq_trace()) if (!preempt_trace() && irq_trace())
start_critical_timing(CALLER_ADDR0, caller_addr); start_critical_timing(CALLER_ADDR0, caller_addr);
@ -348,12 +348,12 @@ EXPORT_SYMBOL(trace_hardirqs_off_caller);
#endif /* CONFIG_IRQSOFF_TRACER */ #endif /* CONFIG_IRQSOFF_TRACER */
#ifdef CONFIG_PREEMPT_TRACER #ifdef CONFIG_PREEMPT_TRACER
void notrace trace_preempt_on(unsigned long a0, unsigned long a1) void trace_preempt_on(unsigned long a0, unsigned long a1)
{ {
stop_critical_timing(a0, a1); stop_critical_timing(a0, a1);
} }
void notrace trace_preempt_off(unsigned long a0, unsigned long a1) void trace_preempt_off(unsigned long a0, unsigned long a1)
{ {
start_critical_timing(a0, a1); start_critical_timing(a0, a1);
} }
@ -395,14 +395,14 @@ static void irqsoff_tracer_ctrl_update(struct trace_array *tr)
stop_irqsoff_tracer(tr); stop_irqsoff_tracer(tr);
} }
static void notrace irqsoff_tracer_open(struct trace_iterator *iter) static void irqsoff_tracer_open(struct trace_iterator *iter)
{ {
/* stop the trace while dumping */ /* stop the trace while dumping */
if (iter->tr->ctrl) if (iter->tr->ctrl)
stop_irqsoff_tracer(iter->tr); stop_irqsoff_tracer(iter->tr);
} }
static void notrace irqsoff_tracer_close(struct trace_iterator *iter) static void irqsoff_tracer_close(struct trace_iterator *iter)
{ {
if (iter->tr->ctrl) if (iter->tr->ctrl)
start_irqsoff_tracer(iter->tr); start_irqsoff_tracer(iter->tr);

12
kernel/trace/trace_sched_switch.c
View file

@ -17,7 +17,7 @@
static struct trace_array *ctx_trace; static struct trace_array *ctx_trace;
static int __read_mostly tracer_enabled; static int __read_mostly tracer_enabled;
static void notrace static void
ctx_switch_func(struct task_struct *prev, struct task_struct *next) ctx_switch_func(struct task_struct *prev, struct task_struct *next)
{ {
struct trace_array *tr = ctx_trace; struct trace_array *tr = ctx_trace;
@ -57,7 +57,7 @@ void ftrace_ctx_switch(struct task_struct *prev, struct task_struct *next)
wakeup_sched_switch(prev, next); wakeup_sched_switch(prev, next);
} }
static notrace void sched_switch_reset(struct trace_array *tr) static void sched_switch_reset(struct trace_array *tr)
{ {
int cpu; int cpu;
@ -67,18 +67,18 @@ static notrace void sched_switch_reset(struct trace_array *tr)
tracing_reset(tr->data[cpu]); tracing_reset(tr->data[cpu]);
} }
static notrace void start_sched_trace(struct trace_array *tr) static void start_sched_trace(struct trace_array *tr)
{ {
sched_switch_reset(tr); sched_switch_reset(tr);
tracer_enabled = 1; tracer_enabled = 1;
} }
static notrace void stop_sched_trace(struct trace_array *tr) static void stop_sched_trace(struct trace_array *tr)
{ {
tracer_enabled = 0; tracer_enabled = 0;
} }
static notrace void sched_switch_trace_init(struct trace_array *tr) static void sched_switch_trace_init(struct trace_array *tr)
{ {
ctx_trace = tr; ctx_trace = tr;
@ -86,7 +86,7 @@ static notrace void sched_switch_trace_init(struct trace_array *tr)
start_sched_trace(tr); start_sched_trace(tr);
} }
static notrace void sched_switch_trace_reset(struct trace_array *tr) static void sched_switch_trace_reset(struct trace_array *tr)
{ {
if (tr->ctrl) if (tr->ctrl)
stop_sched_trace(tr); stop_sched_trace(tr);

28
kernel/trace/trace_sched_wakeup.c
View file

@ -27,12 +27,12 @@ static unsigned wakeup_prio = -1;
static DEFINE_SPINLOCK(wakeup_lock); static DEFINE_SPINLOCK(wakeup_lock);
static void notrace __wakeup_reset(struct trace_array *tr); static void __wakeup_reset(struct trace_array *tr);
/* /*
* Should this new latency be reported/recorded? * Should this new latency be reported/recorded?
*/ */
static int notrace report_latency(cycle_t delta) static int report_latency(cycle_t delta)
{ {
if (tracing_thresh) { if (tracing_thresh) {
if (delta < tracing_thresh) if (delta < tracing_thresh)
@ -44,7 +44,7 @@ static int notrace report_latency(cycle_t delta)
return 1; return 1;
} }
void notrace void
wakeup_sched_switch(struct task_struct *prev, struct task_struct *next) wakeup_sched_switch(struct task_struct *prev, struct task_struct *next)
{ {
unsigned long latency = 0, t0 = 0, t1 = 0; unsigned long latency = 0, t0 = 0, t1 = 0;
@ -126,7 +126,7 @@ out:
atomic_dec(&tr->data[cpu]->disabled); atomic_dec(&tr->data[cpu]->disabled);
} }
static void notrace __wakeup_reset(struct trace_array *tr) static void __wakeup_reset(struct trace_array *tr)
{ {
struct trace_array_cpu *data; struct trace_array_cpu *data;
int cpu; int cpu;
@ -147,7 +147,7 @@ static void notrace __wakeup_reset(struct trace_array *tr)
wakeup_task = NULL; wakeup_task = NULL;
} }
static void notrace wakeup_reset(struct trace_array *tr) static void wakeup_reset(struct trace_array *tr)
{ {
unsigned long flags; unsigned long flags;
@ -156,7 +156,7 @@ static void notrace wakeup_reset(struct trace_array *tr)
spin_unlock_irqrestore(&wakeup_lock, flags); spin_unlock_irqrestore(&wakeup_lock, flags);
} }
static notrace void static void
wakeup_check_start(struct trace_array *tr, struct task_struct *p, wakeup_check_start(struct trace_array *tr, struct task_struct *p,
struct task_struct *curr) struct task_struct *curr)
{ {
@ -201,7 +201,7 @@ out:
atomic_dec(&tr->data[cpu]->disabled); atomic_dec(&tr->data[cpu]->disabled);
} }
notrace void void
ftrace_wake_up_task(struct task_struct *wakee, struct task_struct *curr) ftrace_wake_up_task(struct task_struct *wakee, struct task_struct *curr)
{ {
if (likely(!tracer_enabled)) if (likely(!tracer_enabled))
@ -210,7 +210,7 @@ ftrace_wake_up_task(struct task_struct *wakee, struct task_struct *curr)
wakeup_check_start(wakeup_trace, wakee, curr); wakeup_check_start(wakeup_trace, wakee, curr);
} }
notrace void void
ftrace_wake_up_new_task(struct task_struct *wakee, struct task_struct *curr) ftrace_wake_up_new_task(struct task_struct *wakee, struct task_struct *curr)
{ {
if (likely(!tracer_enabled)) if (likely(!tracer_enabled))
@ -219,7 +219,7 @@ ftrace_wake_up_new_task(struct task_struct *wakee, struct task_struct *curr)
wakeup_check_start(wakeup_trace, wakee, curr); wakeup_check_start(wakeup_trace, wakee, curr);
} }
static notrace void start_wakeup_tracer(struct trace_array *tr) static void start_wakeup_tracer(struct trace_array *tr)
{ {
wakeup_reset(tr); wakeup_reset(tr);
@ -237,12 +237,12 @@ static notrace void start_wakeup_tracer(struct trace_array *tr)
return; return;
} }
static notrace void stop_wakeup_tracer(struct trace_array *tr) static void stop_wakeup_tracer(struct trace_array *tr)
{ {
tracer_enabled = 0; tracer_enabled = 0;
} }
static notrace void wakeup_tracer_init(struct trace_array *tr) static void wakeup_tracer_init(struct trace_array *tr)
{ {
wakeup_trace = tr; wakeup_trace = tr;
@ -250,7 +250,7 @@ static notrace void wakeup_tracer_init(struct trace_array *tr)
start_wakeup_tracer(tr); start_wakeup_tracer(tr);
} }
static notrace void wakeup_tracer_reset(struct trace_array *tr) static void wakeup_tracer_reset(struct trace_array *tr)
{ {
if (tr->ctrl) { if (tr->ctrl) {
stop_wakeup_tracer(tr); stop_wakeup_tracer(tr);
@ -267,14 +267,14 @@ static void wakeup_tracer_ctrl_update(struct trace_array *tr)
stop_wakeup_tracer(tr); stop_wakeup_tracer(tr);
} }
static void notrace wakeup_tracer_open(struct trace_iterator *iter) static void wakeup_tracer_open(struct trace_iterator *iter)
{ {
/* stop the trace while dumping */ /* stop the trace while dumping */
if (iter->tr->ctrl) if (iter->tr->ctrl)
stop_wakeup_tracer(iter->tr); stop_wakeup_tracer(iter->tr);
} }
static void notrace wakeup_tracer_close(struct trace_iterator *iter) static void wakeup_tracer_close(struct trace_iterator *iter)
{ {
/* forget about any processes we were recording */ /* forget about any processes we were recording */
if (iter->tr->ctrl) if (iter->tr->ctrl)

2
kernel/trace/trace_selftest.c
View file

@ -3,7 +3,7 @@
#include <linux/kthread.h> #include <linux/kthread.h>
#include <linux/delay.h> #include <linux/delay.h>
static notrace inline int trace_valid_entry(struct trace_entry *entry) static inline int trace_valid_entry(struct trace_entry *entry)
{ {
switch (entry->type) { switch (entry->type) {
case TRACE_FN: case TRACE_FN: