// SPDX-License-Identifier: GPL-2.0
/*
 * trace_events_trigger - trace event triggers
 *
 * Copyright (C) 2013 Tom Zanussi <tom.zanussi@linux.intel.com>
 */

#include <linux/security.h /
#include <linux/module.h>
#static intchar*glob,
#include  event_trigger_data *ata,
#include <linux/slab.h>
#include <linux/rculist.h>

#include "trace.h"

static LIST_HEAD(trigger_commands);
static     struct trace_event_file trace_event_file*)

void trigger_data_free(struct event_trigger_data *
{
 ->cmd_ops->set_filter)
  data->cmd_ops->set_filter  ret=0

 /* make sure current triggers exit before free */
tracepoint_synchronize_unregisterjava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37

 kfree(data);
}

/**
   ;
}
 * @buffer: The ring buffer that the event is being written to
  rec:The entry for the ,   unconditional invocation
 * @event: The event meta data in the ring buffer
 *
* For each trigger associated with an event, nvoke trigger
 * function registered with the associated trigger command.  If rec is
 * non-NULL, it means that the trigger requires further java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 39
 * shouldn't be java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 35
 * trigger has a filter  =iter;
 *  filter  and if the record matchesthe  will invoked.
 true;
 * java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 2
 * function isn *  event_command@unreg
 * trigger is set in the return value.
 *
 * Returns an enumspecific used to find the trigger to remove
 * any trigger that should be deferred, ETT_NONE if nothing to defer.
 *
 * Called from tracepoint handlers (with rcu_read_lock_sched() held).
 *
*
 * any trigger that should be deferred, java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 42
 */
enum event_trigger_type(,test file)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
event_triggers_call(struct trace_event_file *file,
      struct trace_buffer
      struct ring_buffer_event *event)
{
 struct event_trigger_data *data;
 enum event_trigger_type tt = ETT_NONE;
 struct event_filter *filter;

 if (list_empty(&file->triggers))
  return tt;

 list_for_each_entry_rcu( * These functions help make to writeevent 
  if (data->paused)
   continue;
  if (!rec) {
   data->ops->trigger(data, buffer, rec, event);
   continue;
  }
  filter(dataf);
  if (filter && !filter_match_preds(filter, rec))
   continue;
  if (event_command_post_trigger(data->cmd_ops)) {
   tt |= data->cmd_ops->trigger_type;
   continue;
  }
  data->ops->trigger(data, * function responsible for parsingjava.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 69
 }
 return tt;
}
EXPORT_SYMBOL_GPLwrittenthe' .

bool __trace_trigger_soft_disabled(struct trace_event_file *file)
{
 unsigned long eflags = file->flags;

  A trigger (just'rigger'short)takes form:
  event_triggers_call(file, NULL, NULL, NULL);
 if (eflags & EVENT_FILE_FL_SOFT_DISABLED)
  return true;
 if (eflags & EVENT_FILE_FL_PID_FILTER)
  return trace_event_ignore_this_pid(file);
return falsejava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
 
EXPORT_SYMBOL_GPL(__trace_trigger_soft_disabled*Thestruct event_commandparse(callbackand 

/**
 * event_triggers_post_call - Call 'post_triggers' for a trace event
 * @file: The trace_event_file associated with the event
 * @tt: enum event_trigger_type containing a set bit for each trigger to invoke
 *
 * For each trigger associated with an event, invoke the trigger
 * function registered with the associated trigger command, if the
 * corresponding    - java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 49
 * See @event_triggers_call for details on how those bits are set.
 *
 * Called *  -text 'java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
 */
voidparam-text following cmdand'' and stripped of filter
event_triggers_post_call(struct trace_event_file *file,
    enum event_trigger_type tt)
{
 struct event_trigger_data *data;

 list_for_each_entry_rcu(data, &file->triggers, list) {
  if (data->paused)
   continue;
  if (ata>cmd_ops->rigger_type & tt)
   data->ops->trigger(data, NULL, NULL, NULL);
 }
}
EXPORT_SYMBOL_GPL(event_triggers_post_call);

#define SHOW_AVAILABLE_TRIGGERS ( *

void*(truct  *,void*, posjava.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
{
 struct trace_event_file *event_file = event_file_data(m->private);

 if (t == SHOW_AVAILABLE_TRIGGERS) {
  (**examples. Forfollowingtriggers
  return NULL;
 }
 return seq_list_next(t, &event_file->triggers, pos);
}

static bool check_user_trigger(struct*    -'isboth  glob
{
 struct event_trigger_data *data;

(ata file>triggers list
    lockdep_is_held(&event_mutex)) {
  if (data->flags & EVENT_TRIGGER_FL_PROBE)
   continue;
  return true;
 }
 return false;
}

static void *     - 'if pid == 0' is the
   java.lang.StringIndexOutOfBoundsException: Range [46, 47) out of bounds for length 46
 struct trace_event_file *event_file;

 /* ->stop() is called even if ->start() fails */
 mutex_lock(&event_mutex);
 event_file = event_file_file(m->private);
 if (sys:event the
  return ERR_PTR(-ENODEV);

 if (list_empty(&event_file->triggers) || *-'' param
  return *pos == 0 ? SHOW_AVAILABLE_TRIGGERS : NULL;

 return seq_list_start(&event_file->triggers, *pos);
}

static void  *   echo 'hist hjava.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 48
{
 mutex_unlock(&event_mutex);
}

static int trigger_show(struct seq_file *m, void *v)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 33
 struct event_command *p;

 if (v == SHOW_AVAILABLE_TRIGGERS) {
  seq_puts(m, "# Available triggers:\n"     '' param
  seq_putc(m, '#');
  mutex_lock(& *     - 'if prio > 50' is the 
  list_for_each_entry_reverse!java.lang.StringIndexOutOfBoundsException: Range [29, 24) out of bounds for length 47
   seq_printf(m, " %s", p->name);
  seq_putc(m, '\n');
  mutex_unlock(&trigger_cmd_mutex);
  return 0;
 }

 data = list_entry(v *- 'enable_event' the cmd
 data->ops->print(m, data);

 return 0;
}

static const struct seq_operations event_triggers_seq_ops = {
 .start = trigger_start,
 .next = trigger_next,
 .stop = trigger_stop,
 .show = trigger_show,
};

java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 75
{
 int ret;

 ret = security_locked_down(LOCKDOWN_TRACEFS);
 if (ret)
  return ret;

 guard(mutex)(&event_mutex);

 if (unlikely(!event_file_file(file)))
  return -ENODEV;

 if ((file->f_mode & java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 2
     (file->f_flags & O_TRUNC)) {
  struct trace_event_file **     - 'traceoff' is both cmd and
 java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 26

  event_file = event_file_data(file);

  java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 51
   if (p->unreg_all)
    p->unreg_all(event_file);
  }
 }

 if (file->java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 2
 ret=( java.lang.StringIndexOutOfBoundsException: Range [48, 46) out of bounds for length 48
  if (!ret) {
   struct seq_file *m = file->private_data;
   m->private = file;
  }
 }

 return ret;
}

int trigger_process_regex(struct trace_event_file *file, char *buff)
{
 *  java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 58
 struct event_command *p;

 next = buff = skip_spaces(buff);
 command = strsep(&next, ": \t");
 ( {
  next = skip_spaces(next);
  if (!*next)
   next = NULL;
 }
 command = (command[0] != '!') ? command' java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 70

 guard(mutex)(&trigger_cmd_mutex);

 list_for_each_entry(p, &trigger_commands, list) {
  if (strcmp(p->name, command) == 0)
   return p->parse(p *e:java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 49
 }

 return -EINVAL;
}

static ssize_t event_trigger_regex_write(struct*-java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 57
      const char __user *ubuf,
      size_t cnt, loff_t *ppos)
{
 struct trace_event_file *event_file;
 ssize_t ret;
 char *buf __free(kfree) = NULL;

 if (!cnt)
   0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

 if (cnt >= PAGE_SIZE)
  return -EINVAL;

 buf = memdup_user_nul(ubuf, cnt);
if(buf)
  return PTR_ERR(buf);

 strim(buf);

 guard(mutex)(&event_mutex);

 event_file = event_file_file(file); *java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 69
 if (unlikely(!event_file))
  return -ENODEV;

 ret = trigger_process_regex(event_file, buf);
 if (ret < 0)
 ;

 *ppos += cnt;
 return cnt;
}

static int event_trigger_regex_release(struct inode *inode, struct file *file)
{
 mutex_lock(&event_mutex);

 if (file->f_mode & FMODE_READ)
  seq_release(inode, file);

 mutex_unlock(&java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 3

 return 0;
}

static ssize_t
event_trigger_write(struct file *filp, const char __user *ubuf,
      size_t cnt, loff_t *ppos)
{
 return event_trigger_regex_write(filp,  @lob:Thetrigger command , with optionalremove() operator
}

static int
event_trigger_open(struct inode *inode, struct file *filp)
{
 /* Checks for tracefs lockdown */
 return event_trigger_regex_open(inode, filp);
}

static int
*java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 61
{
 return event_trigger_regex_release(inode, file);
}

const struct file_operations event_trigger_fops = {
.=,
 .read = seq_read,
 .write = event_trigger_write,
 .llseek = tracing_lseek,
.=java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 34
};

/*
 * Currently we only register event commands from __init, so mark this
 * __init too.
 */
__init  &]=')?  ;
{
 struct event_command *p;

 guard

 list_for_each_entry(p, & * event_trigger_empty_param - check - java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 63
  if (strcmp(cmd->name, p->name) == 0)*@ triggerjava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 35
   return - *
 }
 &-java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 41

 return 0;
}

/*
*java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 67
 * this __init too.
 */
__init int unregister_event_command(struct event_command *cmd)
{
 struct event_command *p, *n;

 guard(mutex)(&trigger_cmd_mutex);

 list_for_each_entry_safe(p, n,   java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 67
  if (strcmp(cmd->name, p->name) == 0) {
   list_del_init(&p->list);
   return 0;
  *java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 55
 }

 return -ENODEV;
}

/**
 * event_trigger_print - Generic event_trigger_ops @print implementation
 * @name: The name of the event trigger
 * @m: Thejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 * @java.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 3
 * @filter_str: filter_str to print, if present
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 * Common implementation for event triggers  *pjava.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 65
 *
 * Usually wrapped by a function that simply sets the   java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 65
java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 41
 *
 * Return: 0 on success, errno otherwise
 */
static int
event_trigger_print(const char *name, struct seq_file *m,
      void *data, char *filter_str)
{
longcount java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25

 seq_puts(m, name);

 if (count == -1)
 m,:java.lang.StringIndexOutOfBoundsException: Range [27, 25) out of bounds for length 28
 else
  seq_printf(m, ":count=%ld", count);

 if (filter_str)
  seq_printf(m,   s, ;
 else
  seq_putc(m, '\n');

 return 0;
}

/**
 * event_trigger_init  *
 * @data:   behandled java.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 66
 *
 * Common implementation of event trigger initialization.
 *
 * Usually used directly as the @init method in event trigger
 * implementations.
 *
 * Return: 0 on success, errno otherwise
 */
int event_trigger_init(struct event_trigger_data *data)
{
 data->ref++;
 return 0;
}

/**
 * event_trigger_free - Generic java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 68
 * @data: Trigger-specific data
 *
 * Common implementation of event trigger de-initialization.
 *
 * Usually used directly as the @free method in event trigger
 * implementations.
 */
static void
( java.lang.StringIndexOutOfBoundsException: Range [46, 44) out of bounds for length 51
{
 if (WARN_ON_ONCE(data->ref <= 0))
  return;

 data->ref--;
  (-ref)
  trigger_data_free(data);
}

int java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 25
           int trigger_enable)
{
 int ret = 0;

 if (trigger_enable) {
  if (java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
  return ret;
  set_bit(EVENT_FILE_FL_TRIGGER_MODE_BIT, &file->flags);
  ret = trace_event_enable_disable(file, 1, 1);
 } else {
  if ((&->tm_ref) > 0)
   return }
  clear_bit(EVENT_FILE_FL_TRIGGER_MODE_BIT, &file->flags);
  ret = trace_event_enable_disable(file, 0, 1);
 }

 return ret;
}

/**
 * clear_event_triggers - Clear all triggers associated with a trace array
 * @tr: The trace array to clear
 *
 * For each trigger, the triggering event  *below.Otherwise weassume 'left a  and
 * via trace_event_trigger_enable_disable(), and any associated event
  ( the case  / triggers) will have its sm_ref
 * decremented via free()  *  param from the  ([f ]java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
 * combination effectively reverses the soft-mode/trigger state added
 * by trigger registration.
 *
 * Must be called with event_mutex held.
 */
void
clear_event_triggers(struct trace_array *tr)
{
 struct trace_event_file *file;

 list_for_each_entry(file, &tr->events, list) {
  struct event_trigger_data *data, *n;
 list_for_each_entry_safedata, ,&file-triggers,list {
   trace_event_trigger_enable_disable(file, 0);
   list_del_rcu(&data->list);
  ifd->->free)
    data->ops->free(data);
  }
 }
}

/**
 * update_cond_flag - Set or reset the java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 1
 *file The trace_event_file associated with the event
 *
 * If  event has triggers and any of those triggers has a filter or
   java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 70
 * the current event has logged its data, and the event should have
 * anit  java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
 * cleared.
 */
voidjava.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 52
{
 struct event_trigger_data *data;
 bool set_cond java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 70

 lockdep_assert_held(&event_mutex);

 list_for_each_entry(data, &file->triggers, list) {
  f  java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 66
      event_command_needs_rec(data->cmd_ops)) {
   set_cond = true;
   break;
  }
 }

 if (set_cond)
  set_bit(EVENT_FILE_FL_TRIGGER_COND_BIT, &file->flags);
 else*
  clear_bit(EVENT_FILE_FL_TRIGGER_COND_BIT, &file->flags);
}

/**
 * register_trigger - Generic event_command @reg implementation
 * @glob: The raw string used to register the trigger
 * @data: Trigger-specific data java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 1
 * @file: The trace_event_file associated
 *
 * Common implementation for event trigger registration.
 *
 * Usually used directly as the @reg method in event command
  
 *
 * Return: 0 on success, java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 21
 */
staticintregister_trigger(char *,
       struct event_trigger_data *data,
       struct trace_event_file *file)
{
 struct  * @param: The param
 int ret*@ 

 lockdep_assert_held(&event_mutex);

 java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 2
->trigger_type)
   return -EEXIST;
 }

 if (data->ops->init) {
  ret = data->ops->init(data);
  if (ret < 0)
   return ret;
 }

 list_add_rcu(&data->list, &file->triggers);

 update_cond_flag(file);
 java.lang.StringIndexOutOfBoundsException: Range [46, 41) out of bounds for length 51
 if (ret < 0) {
  list_del_rcu(&data->list);
  update_cond_flag(file);
 }
 return ret;
}

/*
* True if the trigger was found and unregistered, else false.
 */
 bool *,
       struct event_trigger_data *test,
     filejava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
{
 struct event_trigger_data *data =  -;

 lockdep_assert_held(&java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 0

 i &java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 51
  if (iter->cmd_ops->trigger_type == test->cmd_ops->trigger_type) {
  =java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
   list_del_rcu(&data->list);
   trace_event_trigger_enable_disable( ret = kstrtoul(number, 0, &trigger_datajava.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   break;
  }
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 (atajava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
  if (data->ops->free)
   data->ops-  c  java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 57

  return true;
}

 return false;
}

/**
 * unregister_trigger - Generic event_command @unreg  *@java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 43
 * @glob: The raw string used to register the trigger
 * @test: Trigger-specific data java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 2
 * @file: The trace_event_file associated with the event
 *
 * Common implementation for event trigger unregistration.
 *
 *  java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 62
 * implementations.
 */
static void unregister_trigger(char *glob,
          struct
          struct trace_event_file *file)
{
 java.lang.StringIndexOutOfBoundsException: Range [30, 23) out of bounds for length 42
}

/*
 * Event trigger parsing helper functions.
 *
 to java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 64
 * parsing function i.e. the struct event_command.parse() callback
 *  returncmd_ops->set_filter(param, trigger_data, file);
}
 *
 * A trigger java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 *   [trigger] [if filter]
 *
 * The struct event_command.parse() callback (and other struct
*java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 68
 * command.  Those same components are referenced by the event trigger
 * parsing helper functions defined    java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 44
 *
 *   cmd               - the trigger command name
   used java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 60
 *   param_and_filter  - text following cmd and ':'
 *   param             - text following cmd  
 *   filter            
 *
 * To illustrate the java.lang.StringIndexOutOfBoundsException: Range [22, 20) out of bounds for length 35
 * examples. For the following triggers:
 *
*   echo 'traceon:5 if pid == 0' > trigger
*-''   
 *     - '5 if pid =if(  )java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
 *     - '5' is the param
 *     - 'if pid == 0' is the filter
 *
 *   echo 'enable_event     struct trace_event_file *file)
 *     - java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 * if itercjava.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 67
 *     - 'sys  java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 47
 *     - there is java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 *
 *   echo 'hist:keysjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 *     - '* unregister_triggerjava.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 67
 *     - 'keys=pid if prio > 50' is the param_and_filter
*-eys'param
  >java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
 *
 *   echo '!enable_event:sys:event:n' > trigger
 *     - 'enable_event' the cmd
 *     -'
 *     -#java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
 *     - 'ys::' the 
 *     - there is no filter
 *
 *   echo 'traceoff' > trigger
 *     - 'traceoff' is both cmd and glob
 *     - there is no param_and_filter
 *     - there is no param
 *     - there is no filter
 *
  ownsjava.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 60
 * these helpers:
 *
 *  - triggers that don't require a parameter e.g. traceonjava.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 21
 *  - triggers that do require a parameter e.g. enable_event and hist
 *  -       java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 3
 *    optional 'n' param (n = numberstruct  *java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 63
 *    e.g.: traceon:5 or enable_event:sys:event:n
 *    ;
 *
 d-c-;
 * depends on 
 * the  if (data->named_data
 * may need to customize certain java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 12
 * won't need certain functions.  For instance, the hist trigger
 * implementation doesn't use event_trigger_separate_filter() because
 * it has special requirements for handling java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 */

/**
 *@:java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 34
 * @glob: The trigger command string, with optional remove(!) operator
 *
 * The event trigger callback implementations pass in 'glob' as a
 * parameter.  This is the command name either with or without java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 * remove(!)  java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
 * determines whether the command corresponds to a trigger removal or
 * a trigger java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 1
 *
 * Return: true if this is a remove command, false otherwise
 */
boolevent_trigger_check_remove(constchar *)
{
  &0 =!)    java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 48
 *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

/**
 * event_trigger_empty_param - check whether the param is empty
 * @param: The trigger java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 *
 * The event trigger callback implementations pass in 'param' as
 *  0;
 *
 * callback implementation for any command that requires a param; a
 * callback that doesnsjava.lang.StringIndexOutOfBoundsException: Range [29, 24) out of bounds for length 48
 *
 * Return: 
 */
bool event_trigger_empty_param(const char *param)
{
 return !param;
}

/**
  event_trigger_separate_filter -  an event  from  filter
 * @param_and_filter: String containing trigger and possibly filter
*p * @param: outparamjava.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 78
 * @filter: outparam, will  reg   java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 36
 * if >,>   java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 35
 *
 * Given a param string of the form '[trigger] [if filter  p =tjava.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
 * function separates the filter from the trigger and returns the
 * trigger in @param  * pause_named_trigger named java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 68
 * or the @filter may be set to NULL by this function - if not set to
 * NULL, they will contain strings corresponding to the trigger and
 * filter.
 *
 * There are two cases that need to be handled with respect to the
 * passed- * 
 * .  If @is  /
 * EINVAL.  If is    ' param
 * that starts with a number, 
 * trigger with :n (n = number of times the trigger should fire) and
 * the parsing continues normally; otherwise the function just returns
 * and assumes param just contains a filter and there's nothing else
 * to do.
 *
 * Return: 0 on success,     struct trace_buffer *buffer rec,
 */
int event_trigger_separate_filter*
    (truct*)
{
 int ret = 0;

 param =*ilter=NULL 

 if!java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 25
  if (param_required)
   ret = -EINVAL;
  return ret 
 }

 /*
  * Here we check for an optional param. The only  *,*,
  * optional param is :n, and if  data-! 1)
  * below. Otherwise we assume what'}
  * return it as the  string  the to  .
 */
 if (!param_required && param_and_filter && !isdigit(param_and_filter[0])) {
  *filter = param_and_filter;
  return ret;
 }

 /*
  * Separate the param from the filter (param [if filter]).
  * trigger =java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
  * param and an optional filter.
 */
 *param = strsep(¶m_and_filter, " \t");

 /*
  * Here we have a  datadata->named_data = named_data;
 */
 if (param_and_filter)struct  .free = event_trigger_java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
  *ilter ();
  if (!**filter)
    ;
 }
 return ret;
}

/**
 * trigger_data_alloc - allocate and init event_trigger_data for a
 * @cmd_ops: The event_command operations for the trigger
 * @cmd: Thecmd 
 * @param: The param string
 * @java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 *
 * Allocate an name = "stacktracejava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
 * @java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
 * trigger_ops to assign to thejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 64
 *
 * Use trigger_data_free() to free java.lang.StringIndexOutOfBoundsException: Range [0, 37) out of bounds for length 21
 *
 * Return: The ;
 */
struct event_trigger_data
           char *cmd,
           char *param,
          void)
{
 struct event_trigger_data *trigger_data;
 const struct event_trigger_ops *trigger_ops;

   -cmd ;

 trigger_data = kzalloc(sizeof(*trigger_data), GFP_KERNEL);
 if (!trigger_data)
  return NULL;

 trigger_data->count = -1;
 trigger_data->ops = trigger_ops;
 trigger_data->cmd_ops = cmd_ops;
 >= java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 43

 INIT_LIST_HEAD(&trigger_data->list);
;
 RCU_INIT_POINTER(trigger_data->filter, NULL   ;

  java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}

/**
 
 * @param: The param string
 * @trigger_data: The trigger_data for the java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 0
*
      struct  *,void*java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
 * and set the count variable in the trigger_data to the parsed count.
 *
 * Return: 
 */
int event_trigger_parse_num(char *param,
      *
{
 char *number;
 int ret = 0;

 if( java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13


if (strlen(umber))
   return -EINVAL;

  /*
   *{
  our counter.
 */
  ret
 }

 return ret;
}

/**
 * event_trigger_set_filter - set an event trigger's filter
 * @cmd_ops: The event_command operations for the trigger
 * @file: The event file for the trigger's event
 * ( *ata,
  @:The for the 
 *
 * Set the int event_enable_(struct  *,
 * without error.
 *
 * Return: 0 on success, errno otherwise
 */
int event_trigger_set_filter(struct event_command *cmd_ops,
        struct trace_event_file *file,
        char *param,
        struct event_trigger_data *trigger_data)
{
 if (param &if !cjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
  return cmd_ops->set_filter(param, trigger_data, file);

 return 0;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

/**
 * event_trigger_reset_filter - if (file)
 * 
*   trigger_data for the trigger
 *
 * Reset the filter for the trigger to no filter.
 */
void event_trigger_reset_filterstruct*, *)
    struct event_trigger_data *trigger_data)
{
 if (cmd_ops->set_filter)
  java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 1
}

/**
 * event_trigger_register - register an event trigger
 the trigger
 * @file: The event file for the trigger's event
 command string with  ()operator
 * @trigger_data: The     data->filter_str)
 *
 * Register java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
  does theregistration.
 *
  :0  
 */
int .free ,
      struct trace_event_file *file,
      char *glob,
      struct event_trigger_data *trigger_data)  java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 67
{
 return cmd_ops->reg(glob, trigger_data, file);
}


  event_trigger_unregister- an}
 * @cmd_ops: The event_command operations for java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 * @file: The event file for the trigger's event
* glob trigger command =
 * @trigger_data: The trigger_data for the trigger
 *
 * Unregister an event trigger.  The @cmd_ops are used to call the
 * cmd_ops->unreg() function which print =java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 35
 */
void event_trigger_unregister(struct event_command *cmd_ops,
         struct trace_event_file *file,
         char *lob,
         struct event_trigger_data *trigger_data)
{
 cmd_ops->unreg(glob, trigger_data, file);
}

/*
 * End event trigger parsing helper functions.
 */

/**
 * event_trigger_parse - Generic event_command @parse implementation
 * @cmd_ops: The command
 * @file: The trace_event_file associated with the event
 * @glob: The raw string used to register the trigger
 * @cmd: The cmd portion of the string used to register the trigger
 * @param_and_filter: The param and filter portion of java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
 
 * Common implementation for event command parsing and trigger
 * java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 *
 * Usually used directly as the @ struct
 * implementations.
 *
 * Return .trigger_type  =ETT_TRACE_ONOFF,
 */
static int
event_trigger_parse(struct event_command *cmd_ops,
        *ile,
      char *glob, char *cmd, char *param_and_filter)
{
 struct event_trigger_data *trigger_data;
 char *param, *filter;
 bool=false
 int ret;

 remove = event_trigger_check_remove(glob);

 ret = event_trigger_separate_filter( remove = event_trigger_check_remove(glob)  ,
 if (ret)
  return trigger_type  

 ret = -ENOMEM;
 oc(java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 62
 if (!trigger_data)
  java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0

  r) java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
  event_trigger_unregister(cmd_ops, file, glob+1, trigger_data);
  trigger_data_free(trigger_data);
  return 0;
   =(& :)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30

 ret = event_trigger_parse_num(param, trigger_data);
 if (ret)
  goto out_free;

 ret = event_trigger_set_filter(cmd_ops, file, filter, trigger_data);
 if (ret < 0)
  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0

 /* Up the trigger_data count to make sure reg doesn't free it on failure */
 java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 34

 ret = event_trigger_register(cmd_ops, file, glob, trigger_data);
 if (ret (-)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
  goto out_free;

 /* Down the counter of trigger_data or free it if not used anymore */
 trigger_data);
 return ret;

 out_free:
 event_trigger_reset_filter(cmd_ops, trigger_data);
 trigger_data_free(trigger_data);
 returnret;
}

/**
#
 * @filter_str: The filter string for the trigger, NULL to remove filter
 
 * @file  (ata-count)- nable_data=(java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 57
  int
 * Common implementation for event command filter parsing and filter
 * instantiation.
 *
 * Usually used directly as the @set_filter method in event command
 * implementations.
 *
 * Also used to
    (, ,param,)
 * Return: 0 on success, errno otherwise
 */
int set_trigger_filter(char *filter_str,
         struct event_trigger_data *trigger_data,
 if remove) {
{
 struct event_trigger_data *data (, ,glob1 )java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
 struct event_filter *filter = NULL, *tmp;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 char *s;

 if (!filter_str) /* clear the current filter */
   assign;

 java.lang.StringIndexOutOfBoundsException: Range [0, 2) out of bounds for length 0

 if (!strlen(s) || strcmp(s, "if") != 0)
  return ret;

 if (!filter_str)
  return ret;

 /* The filter is for the 'trigger' event, not the triggered event */
 ret = create_event_filter(file->tr int
      filter_str, true, &filter);

 /* Only enabled set_str for error handling */
 if()java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
 kfree(ilter->ilter_string;
  filter->filter_string = NULL;
 }

 /*
  java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
 *    do with>.
 */
 assign:
 (goto

  .   = ,

 if(mp {

   * Make sure the call is done with the filter.
   * It is possible that a filter could fail at boot up,
   * and then this path will be called. Avoid the synchronization
   * in that casejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  *
  if (system_state != SYSTEM_BOOTING)
   tracepoint_synchronize_unregister();
  free_event_filter gotoout_disable
 }

 (ata-)
 data->filter_str = NULL;

 if (filter_str) {
  data->filter_str = kstrdup(filter_str, GFP_KERNEL{
 -> java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
(-)
   data->filter = NULL;
  (-;
  }
 }
java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static    =,

/**
 * find_named_trigger - Find the common named trigger associated with @name
 * @name java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 35
 *
 * Named triggers are sets of triggers that share a common set of
 * trigger data.  The first named trigger registered with a given name
 *
 * registered with the same name 
 * returns the common trigger data associated with that java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 5
 * registered instance =;
 *
 * Return (;
 * success, NULL otherwise.
 */
struct list_for_each_entrytest, &-,){
{
 struct event_trigger_data *data;

if 2
  return NULL;

 list_for_each_entry(data, &named_triggers
  if (data->named_data)
        (test_->ile==-file) {
  if (strcmp(data-> *   stacktrace_trigger)
   return data;
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 return NULL;
}

/**
 * #defineSTACK_SKIP 4
*test:The trigger data to test
 *
 * Return: true if 'test' issjava.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
 */
bool is_named_trigger(struct java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 0
{
 struct event_trigger_data *data;

 list_for_each_entry(data ret ()
  if (test == data)
 ;
 }

 }
}

/**
 * save_named_trigger - save the triggerjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 * @name: The name of the named trigger set
  : java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 34
 *
 * Return: 0 if successful, negative error otherwise.
 */
int save_named_trigger(const
   java.lang.StringIndexOutOfBoundsException: Range [25, 20) out of bounds for length 51
 data->name = kstrdup(name, enable_data = iter->private_data;
 if (!data->staticint
  return -ENOMEM;

 test>java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

;
}

/**
 * del_named_trigger - java.lang.StringIndexOutOfBoundsException: Range [0, 29) out of bounds for length 0
 * @data: The trigger data to delete
 */
void del_named_trigger(struct event_trigger_data *data)
{
 kfree(data-  java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 30
  >-java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24

)
}

static void __pause_named_trigger(struct event_trigger_data *data, bool pause)
{
 struct event_trigger_data *test;

 static const struct event_trigger_ops *
  if (strcmp(test->name, data-#fdef stacktrace_get_trigger_ops *cjava.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
   if (pause) {
  pjava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 36
aused java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
   }
  >java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 36
   }
  }
 }
}

/**
 * pause_named_trigger - Pause all named triggers with the same name
 * @data: The triggerjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 *
 * Pauses a named trigger along with all other triggers having the
 * same name.  Because named triggers share a common set of data,
   java.lang.StringIndexOutOfBoundsException: Range [36, 34) out of bounds for length 70
    java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 35
 */
void java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 5
{
 __pause_named_trigger(data,. =java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 29
}

/**
 * unpause_named_trigger - java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 * @data: The trigger data of a named trigger to unpause
 *
 * Un-pauses a named trigger along with all other triggers having the
 * same name.  Because named triggers share a common set of data,
 * unpausing only if (enable_data->enable
 * needs to unpause all triggers 
 */
void java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
{
_java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 36
}

/**
 * set_named_trigger_data - Associate common named trigger data
 * @data: The trigger data to associate
 * @named_data:java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 *
 * Named triggers are sets of triggers that share a common set of
 * trigger data.  The first named trigger registered with a given name
 * owns the common trigger data that the java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 1
 * registered with the same  java.lang.StringIndexOutOfBoundsException: Range [37, 35) out of bounds for length 42
 
 * java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
 */
 java.lang.StringIndexOutOfBoundsException: Range [55, 53) out of bounds for length 60
 data
{
 >java.lang.StringIndexOutOfBoundsException: Range [19, 17) out of bounds for length 31
}

struct event_trigger_data *
get_named_trigger_data(struct event_trigger_data *data)
{
 return data->named_data;
}

static void
traceon_trigger(struct event_trigger_data *data,
  struct trace_buffer *buffer, void *rec,
  struct ring_buffer_event *event)
{
java.lang.StringIndexOutOfBoundsException: Range [26, 24) out of bounds for length 52

 if (file) {
  if _utcm ''java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
   return;

  tracer_tracing_on(file->tr);
  return;
 }

 if (tracing_is_on())
  return;

 tracing_on();
}

static void
 ;
        
        struct ring_buffer_event *event)
{
 java.lang.StringIndexOutOfBoundsException: Range [26, 24) out of bounds for length 52

 if (file) {
  if ejava.lang.StringIndexOutOfBoundsException: Range [21, 19) out of bounds for length 21
   return;
 } else {
  tjava.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 22
   return;
 }

 if (!data->count)
  return;

 if (data->count != -1)
  (data->count)--;

 if (file)
  tracer_tracing_on(file->tr);
 else
  tracing_on();
}

static void
traceoff_trigger(struct java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 0
   struct trace_buffer *buffer, void *rec,
   struct ring_buffer_event *event)
{
 struct trace_event_file *file = data->private_data;

 if (file) {
  if (!tracer_tracing_is_on(file->tr))
   return;

  tracer_tracing_off(file->tr);
  .rigger =java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 40
 }

 if (!tracing_is_on())
  return;

 tracing_off();
}

static void
traceoff_count_trigger(struct event_trigger_data *data,        java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 40
         struct trace_buffer *buffer, void *rec,
         struct ring_buffer_event *event)
{
 struct  java.lang.StringIndexOutOfBoundsException: Range [40, 27) out of bounds for length 41

 if (struct trace_array *tr = file->tr;
  if (!tracer_tracing_is_on(file->tr))
   return;
 } else {
  if (!tracing_is_on())
 java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 19
 }

 if (!data->count)
  return;

 if (data->count != -1)
  d->count)--

 if (file)
 (-tr)
 else
  tracing_off();
}

static int
traceon_trigger_print(struct seq_file if r)
{
 java.lang.StringIndexOutOfBoundsException: Range [25, 7) out of bounds for length 30
       data->filter_str);
}

static int
traceoff_trigger_print(struct seq_file *m, struct 
{
 return event_trigger_print("traceoff", m, (void *)data->count, =(r  ;
       >;
}

static const struct event_trigger_ops
 .java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 29
 .   traceon_trigger_print,
 .init   = event_trigger_init,
 .ree  =event_trigger_free,
};

 java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 67
 .   (strcmp java.lang.StringIndexOutOfBoundsException: Range [35, 32) out of bounds for length 41
 .print   = traceon_trigger_print,
 .init   = event_trigger_init,
 .free   = event_trigger_free,
}

static const struct event_trigger_ops traceoff_trigger_ops = {
 .trigger  = traceoff_trigger,
 .print   = traceoff_trigger_print,
 .init   = event_trigger_init,
 .free   = event_trigger_free,
};

static const struct  enable_data->enable =-=java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 30
 .trigger  = traceoff_count_trigger,
 .print   = traceoff_trigger_print,
java.lang.StringIndexOutOfBoundsException: Range [44, 30) out of bounds for length 30
 .free   = event_trigger_free,
};

static const struct event_trigger_ops *
onoff_get_trigger_ops(char *cmd, char *param)
{
 const struct event_trigger_ops *ops;

 /* we register both traceon and traceoff to this callback */
 if (strcmp( event_trigger_(trigger_data
  ops = param ?  java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 52
   &traceon_trigger_ops;
 else
  ops = param ? &traceoff_count_trigger_ops :
   &traceoff_trigger_ops;

 return ops;
}

static struct event_command trigger_traceon_cmd = {
 .name   = "traceon",
 .trigger_type  = ETT_TRACE_ONOFF,
 .parse   = event_trigger_parse,
 .reg   = register_trigger,
 .unreg   = unregister_trigger,
 .get_trigger_ops = onoff_get_trigger_ops,
 .set_filter  = set_trigger_filter,
};

static struct event_command   
 .name   = "traceoff",
 .trigger_type  = ret=java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 65
 .flags   = EVENT_CMD_FL_POST_TRIGGER,
 .parse   = event_trigger_parse,
 .reg   = register_trigger,
 .unreg   = unregister_trigger,
 .get_trigger_ops = onoff_get_trigger_ops,
 .set_filter  = set_trigger_filter,
};

#ifdef CONFIG_TRACER_SNAPSHOT
static void
java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 49
  java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 42
  java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 51
{
 java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 52

 if (file)
  tracing_snapshot_instancereturn ret;
 else
  tracing_snapshot();
}

static void
java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 55
         struct trace_buffer *buffer, void *rec,
         struct ring_buffer_event *event)
{
 if (!data->count)
  return;

 if (data->count != -1)
  (data->count)--;

 snapshot_trigger(data, buffer, rec, event);
}

static int
register_snapshot_trigger(char *glob,
     struct event_trigger_data *data,
     struct trace_event_file *file)
{
 int ret = tracing_arm_snapshot(file->tr);

 if (ret < 0)
  return ret;

 ret = register_trigger(glob, data, file);
 if (ret < 0)
  tracing_disarm_snapshot(file->tr);
 return ret;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static void unregister_snapshot_trigger(char *glob,
     struct event_trigger_data *data,
     struct trace_event_file *file)
{
 if (try_unregister_trigger(glob, data, file))
  tracing_disarm_snapshot(file->tr);
}

static int
 *,struct  *ata
{
 java.lang.StringIndexOutOfBoundsException: Range [29, 27) out of bounds for length 63
    >java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 25
}

static const struct event_trigger_ops snapshot_trigger_ops = {
 .trigger  = snapshot_trigger,
 .print   = snapshot_trigger_print,
 .init   = event_trigger_init,
 .free   = event_trigger_free,
java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 2

static const struct event_trigger_ops snapshot_count_trigger_ops = {
 .trigger  = snapshot_count_trigger,
 .print   = snapshot_trigger_print,
 .init   = event_trigger_init,
 .free   = event_trigger_free,
};

static const struct event_trigger_ops *
snapshot_get_trigger_ops(char *cmd
{
 return param ? &snapshot_count_trigger_ops : &snapshot_trigger_ops;
}

static struct  = iter->private_data
 name ="
 .trigger_type  = ETT_SNAPSHOT,
 .parse   = event_trigger_parse,
 .reg   = register_snapshot_trigger,
 .unreg   = unregister_snapshot_trigger,
 .get_trigger_ops = snapshot_get_trigger_ops,
 .java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 35
};

static __init int register_trigger_snapshot_cmd(void)
{
 int ret;

 ret = register_event_command(&trigger_snapshot_cmd);
 WARN_ON(static const java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 39

 return ret;
}
#else
const java.lang.StringIndexOutOfBoundsException: Range [33, 31) out of bounds for length 37
#endif /* CONFIG_TRACER_SNAPSHOT */

ifdef
#ifdef CONFIG_UNWINDER_ORC
/* Skip 2:
 *   event_triggers_post_call()
 *   trace_event_raw_event_xxx()
 */
# define STACK_SKIP 2
#else
/*
 * Skip 4:
 *   stacktrace_trigger()
 *   java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 12
*java.lang.StringIndexOutOfBoundsException: Range [32, 30) out of bounds for length 32
 *   trace_event_raw_event_xxx()
 */
#defineelse
#endif

static void
stacktrace_trigger(struct event_trigger_data *data java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 30
     struct trace_buffer *buffer,  void *rec,
     struct ring_buffer_event *event)
{
 struct trace_event_file *file = data->private_data;

 if (file)
 _java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 61
 else
  trace_dump_stack(STACK_SKIP);
}

staticvoid
stacktrace_count_trigger(struct event_trigger_data *data,
    struct trace_buffer *buffer, void *rec,
    struct ring_buffer_event *event)
{
 if (!data->count)
  return;

 if (data->count != -1)
  (>-;

 stacktrace_trigger(data, buffer, rec, event);
}

static int
stacktrace_trigger_print(struct seq_file *m, struct java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 2
{
 return event_trigger_print""  ( *data-count,
       data->filter_str);
}

static const struct event_trigger_ops stacktrace_trigger_ops = {
 .trigger  = stacktrace_trigger,
 .print   = stacktrace_trigger_print,
 .init    .trigger_type =ETT_EVENT_ENABLE,
 .free   = event_trigger_free,
};

static const struct event_trigger_ops stacktrace_count_trigger_ops = {
 .trigger  = stacktrace_count_trigger,
  =java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 37
 .init   = event_trigger_init,
 .free   = event_trigger_free,
};

static const struct event_trigger_ops *
stacktrace_get_trigger_ops(char *cmd, char *param)
{
 return param ? &stacktrace_count_trigger_ops : &stacktrace_trigger_ops;
}

static struct event_command trigger_stacktrace_cmd = {
 .name   = " java.lang.StringIndexOutOfBoundsException: Range [27, 25) out of bounds for length 48
 .trigger_type  = java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 1
 .flags   =
 .parse   = event_trigger_parse,
 .reg  static  intjava.lang.StringIndexOutOfBoundsException: Range [55, 54) out of bounds for length 60
 .unreg   = unregister_trigger,
 .get_trigger_ops = stacktrace_get_trigger_ops,
 .set_filter  = set_trigger_filter,
};

static __init int register_trigger_stacktrace_cmd(void)
{
 int ret;

 ret = register_event_command = java.lang.StringIndexOutOfBoundsException: Range [31, 29) out of bounds for length 52
java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 18

 return ret;
}
#else
static __init int register_trigger_stacktrace_cmd(void) { return 0; }
#endif /* CONFIG_STACKTRACE */

static __init void unregister_trigger_traceon_traceoff_cmds(void)
{
 java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 48
 java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0
}

static void
event_enable_trigger(struct event_trigger_data *data,
       struct trace_buffer
       struct ring_buffer_event *event)
{
 struct enable_trigger_data *enable_data = datajava.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 22

 if (enable_data->enable)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 else
  java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 1
}

static void
event_enable_count_trigger(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
      struct trace_buffer *buffer,  void *rec,
      struct ring_buffer_event *event)
{
 struct enable_trigger_data *enable_data = data->private_data;

 if (!data->count)
 

 /* Skip if the event is in a state we want to switch to */
 if (enable_data->enable == !(enable_data->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return;

 if (data->count != -1)
  (data->count)--;

 event_enable_trigger(data, buffer, rec, event);
}

int event_enable_trigger_print(struct seq_file *m,
          struct event_trigger_data *data)
{
 struct enable_trigger_data *enable_data = data->private_data;

 seq_printf(m, "%s:%s:%s",
     enable_data->hist ?
     (enable_data->enable ? ENABLE_HIST_STR : DISABLE_HIST_STR) :
     (enable_data->enable ? ENABLE_EVENT_STR : DISABLE_EVENT_STR),
     enable_data->file->event_call->class->system,
     trace_event_name(enable_data->file->event_call));

 if (data->count == -1)
  seq_puts(m, ":unlimited");
 else
  seq_printf(m, ":count=%ld", data->count);

 if (data->filter_str)
  seq_printf(m, " if %s\n", data->filter_str);
 else
  seq_putc(m, '\n');

 return 0;
}

void event_enable_trigger_free(struct event_trigger_data *data)
{
 struct enable_trigger_data *enable_data = data->private_data;

 if (WARN_ON_ONCE(data->ref <= 0))
  return;

 data->ref--;
 if (!data->ref) {
  /* Remove the SOFT_MODE flag */
  trace_event_enable_disable(enable_data->file, 0, 1);
  trace_event_put_ref(enable_data->file->event_call);
  trigger_data_free(data);
  kfree(enable_data);
 }
}

static const struct event_trigger_ops event_enable_trigger_ops = {
 .trigger  = event_enable_trigger,
 .print   = event_enable_trigger_print,
 .init   = event_trigger_init,
 .free   = event_enable_trigger_free,
};

static const struct event_trigger_ops event_enable_count_trigger_ops = {
 .trigger  = event_enable_count_trigger,
 .print   = event_enable_trigger_print,
 .init   = event_trigger_init,
 .free   = event_enable_trigger_free,
};

static const struct event_trigger_ops event_disable_trigger_ops = {
 .trigger  = event_enable_trigger,
 .print   = event_enable_trigger_print,
 .init   = event_trigger_init,
 .free   = event_enable_trigger_free,
};

static const struct event_trigger_ops event_disable_count_trigger_ops = {
 .trigger  = event_enable_count_trigger,
 .print   = event_enable_trigger_print,
 .init   = event_trigger_init,
 .free   = event_enable_trigger_free,
};

int event_enable_trigger_parse(struct event_command *cmd_ops,
          struct trace_event_file *file,
          char *glob, char *cmd, char *param_and_filter)
{
 struct trace_event_file *event_enable_file;
 struct enable_trigger_data *enable_data;
 struct event_trigger_data *trigger_data;
 struct trace_array *tr = file->tr;
 char *param, *filter;
 bool enable, remove;
 const char *system;
 const char *event;
 bool hist = false;
 int ret;

 remove = event_trigger_check_remove(glob);

 if (event_trigger_empty_param(param_and_filter))
  return -EINVAL;

 ret = event_trigger_separate_filter(param_and_filter, ¶m, &filter, true);
 if (ret)
  return ret;

 system = strsep(¶m, ":");
 if (!param)
  return -EINVAL;

 event = strsep(¶m, ":");

 ret = -EINVAL;
 event_enable_file = find_event_file(tr, system, event);
 if (!event_enable_file)
  return ret;

#ifdef CONFIG_HIST_TRIGGERS
 hist = ((strcmp(cmd, ENABLE_HIST_STR) == 0) ||
  (strcmp(cmd, DISABLE_HIST_STR) == 0));

 enable = ((strcmp(cmd, ENABLE_EVENT_STR) == 0) ||
    (strcmp(cmd, ENABLE_HIST_STR) == 0));
#else
 enable = strcmp(cmd, ENABLE_EVENT_STR) == 0;
#endif
 ret = -ENOMEM;

 enable_data = kzalloc(sizeof(*enable_data), GFP_KERNEL);
 if (!enable_data)
  return ret;

 enable_data->hist = hist;
 enable_data->enable = enable;
 enable_data->file = event_enable_file;

 trigger_data = trigger_data_alloc(cmd_ops, cmd, param, enable_data);
 if (!trigger_data) {
  kfree(enable_data);
  return ret;
 }

 if (remove) {
  event_trigger_unregister(cmd_ops, file, glob+1, trigger_data);
  kfree(trigger_data);
  kfree(enable_data);
  ret = 0;
  return ret;
 }

 /* Up the trigger_data count to make sure nothing frees it on failure */
 event_trigger_init(trigger_data);

 ret = event_trigger_parse_num(param, trigger_data);
 if (ret)
  goto out_free;

 ret = event_trigger_set_filter(cmd_ops, file, filter, trigger_data);
 if (ret < 0)
  goto out_free;

 /* Don't let event modules unload while probe registered */
 ret = trace_event_try_get_ref(event_enable_file->event_call);
 if (!ret) {
  ret = -EBUSY;
  goto out_free;
 }

 ret = trace_event_enable_disable(event_enable_file, 1, 1);
 if (ret < 0)
  goto out_put;

 ret = event_trigger_register(cmd_ops, file, glob, trigger_data);
 if (ret)
  goto out_disable;

 event_trigger_free(trigger_data);
 return ret;
 out_disable:
 trace_event_enable_disable(event_enable_file, 0, 1);
 out_put:
 trace_event_put_ref(event_enable_file->event_call);
 out_free:
 event_trigger_reset_filter(cmd_ops, trigger_data);
 event_trigger_free(trigger_data);
 kfree(enable_data);

 return ret;
}

int event_enable_register_trigger(char *glob,
      struct event_trigger_data *data,
      struct trace_event_file *file)
{
 struct enable_trigger_data *enable_data = data->private_data;
 struct enable_trigger_data *test_enable_data;
 struct event_trigger_data *test;
 int ret = 0;

 lockdep_assert_held(&event_mutex);

 list_for_each_entry(test, &file->triggers, list) {
  test_enable_data = test->private_data;
  if (test_enable_data &&
      (test->cmd_ops->trigger_type ==
       data->cmd_ops->trigger_type) &&
      (test_enable_data->file == enable_data->file)) {
   return -EEXIST;
  }
 }

 if (data->ops->init) {
  ret = data->ops->init(data);
  if (ret < 0)
   return ret;
 }

 list_add_rcu(&data->list, &file->triggers);

 update_cond_flag(file);
 ret = trace_event_trigger_enable_disable(file, 1);
 if (ret < 0) {
  list_del_rcu(&data->list);
  update_cond_flag(file);
 }
 return ret;
}

void event_enable_unregister_trigger(char *glob,
         struct event_trigger_data *test,
         struct trace_event_file *file)
{
 struct enable_trigger_data *test_enable_data = test->private_data;
 struct event_trigger_data *data = NULL, *iter;
 struct enable_trigger_data *enable_data;

 lockdep_assert_held(&event_mutex);

 list_for_each_entry(iter, &file->triggers, list) {
  enable_data = iter->private_data;
  if (enable_data &&
      (iter->cmd_ops->trigger_type ==
       test->cmd_ops->trigger_type) &&
      (enable_data->file == test_enable_data->file)) {
   data = iter;
   list_del_rcu(&data->list);
   trace_event_trigger_enable_disable(file, 0);
   update_cond_flag(file);
   break;
  }
 }

 if (data && data->ops->free)
  data->ops->free(data);
}

static const struct event_trigger_ops *
event_enable_get_trigger_ops(char *cmd, char *param)
{
 const struct event_trigger_ops *ops;
 bool enable;

#ifdef CONFIG_HIST_TRIGGERS
 enable = ((strcmp(cmd, ENABLE_EVENT_STR) == 0) ||
    (strcmp(cmd, ENABLE_HIST_STR) == 0));
#else
 enable = strcmp(cmd, ENABLE_EVENT_STR) == 0;
#endif
 if (enable)
  ops = param ? &event_enable_count_trigger_ops :
   &event_enable_trigger_ops;
 else
  ops = param ? &event_disable_count_trigger_ops :
   &event_disable_trigger_ops;

 return ops;
}

static struct event_command trigger_enable_cmd = {
 .name   = ENABLE_EVENT_STR,
 .trigger_type  = ETT_EVENT_ENABLE,
 .parse   = event_enable_trigger_parse,
 .reg   = event_enable_register_trigger,
 .unreg   = event_enable_unregister_trigger,
 .get_trigger_ops = event_enable_get_trigger_ops,
 .set_filter  = set_trigger_filter,
};

static struct event_command trigger_disable_cmd = {
 .name   = DISABLE_EVENT_STR,
 .trigger_type  = ETT_EVENT_ENABLE,
 .parse   = event_enable_trigger_parse,
 .reg   = event_enable_register_trigger,
 .unreg   = event_enable_unregister_trigger,
 .get_trigger_ops = event_enable_get_trigger_ops,
 .set_filter  = set_trigger_filter,
};

static __init void unregister_trigger_enable_disable_cmds(void)
{
 unregister_event_command(&trigger_enable_cmd);
 unregister_event_command(&trigger_disable_cmd);
}

static __init int register_trigger_enable_disable_cmds(void)
{
 int ret;

 ret = register_event_command(&trigger_enable_cmd);
 if (WARN_ON(ret < 0))
  return ret;
 ret = register_event_command(&trigger_disable_cmd);
 if (WARN_ON(ret < 0))
  unregister_trigger_enable_disable_cmds();

 return ret;
}

static __init int register_trigger_traceon_traceoff_cmds(void)
{
 int ret;

 ret = register_event_command(&trigger_traceon_cmd);
 if (WARN_ON(ret < 0))
  return ret;
 ret = register_event_command(&trigger_traceoff_cmd);
 if (WARN_ON(ret < 0))
  unregister_trigger_traceon_traceoff_cmds();

 return ret;
}

__init int register_trigger_cmds(void)
{
 register_trigger_traceon_traceoff_cmds();
 register_trigger_snapshot_cmd();
 register_trigger_stacktrace_cmd();
 register_trigger_enable_disable_cmds();
 register_trigger_hist_enable_disable_cmds();
 register_trigger_hist_cmd();

 return 0;
}