#endif /* CONFIG_STACKTRACE */
-static void
-ftrace_trace_special(void *__tr,
- unsigned long arg1, unsigned long arg2, unsigned long arg3,
- int pc)
-{
- struct ftrace_event_call *call = &event_special;
- struct ring_buffer_event *event;
- struct trace_array *tr = __tr;
- struct ring_buffer *buffer = tr->buffer;
- struct special_entry *entry;
-
- event = trace_buffer_lock_reserve(buffer, TRACE_SPECIAL,
- sizeof(*entry), 0, pc);
- if (!event)
- return;
- entry = ring_buffer_event_data(event);
- entry->arg1 = arg1;
- entry->arg2 = arg2;
- entry->arg3 = arg3;
-
- if (!filter_check_discard(call, entry, buffer, event))
- trace_buffer_unlock_commit(buffer, event, 0, pc);
-}
-
-void
-__trace_special(void *__tr, void *__data,
- unsigned long arg1, unsigned long arg2, unsigned long arg3)
-{
- ftrace_trace_special(__tr, arg1, arg2, arg3, preempt_count());
-}
-
-void
-ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3)
-{
- struct trace_array *tr = &global_trace;
- struct trace_array_cpu *data;
- unsigned long flags;
- int cpu;
- int pc;
-
- if (tracing_disabled)
- return;
-
- pc = preempt_count();
- local_irq_save(flags);
- cpu = raw_smp_processor_id();
- data = tr->data[cpu];
-
- if (likely(atomic_inc_return(&data->disabled) == 1))
- ftrace_trace_special(tr, arg1, arg2, arg3, pc);
-
- atomic_dec(&data->disabled);
- local_irq_restore(flags);
-}
-
/**
* trace_vbprintk - write binary msg to tracing buffer
*
.open = show_traces_open,
.read = seq_read,
.release = seq_release,
+ .llseek = seq_lseek,
};
/*
.open = tracing_open_generic,
.read = tracing_cpumask_read,
.write = tracing_cpumask_write,
+ .llseek = generic_file_llseek,
};
static int tracing_trace_options_show(struct seq_file *m, void *v)
static const struct file_operations tracing_readme_fops = {
.open = tracing_open_generic,
.read = tracing_readme_read,
+ .llseek = generic_file_llseek,
};
static ssize_t
static const struct file_operations tracing_saved_cmdlines_fops = {
.open = tracing_open_generic,
.read = tracing_saved_cmdlines_read,
+ .llseek = generic_file_llseek,
};
static ssize_t
if (iter->trace->pipe_open)
iter->trace->pipe_open(iter);
+ nonseekable_open(inode, filp);
out:
mutex_unlock(&trace_types_lock);
return ret;
.open = tracing_open_generic,
.read = tracing_max_lat_read,
.write = tracing_max_lat_write,
+ .llseek = generic_file_llseek,
};
static const struct file_operations tracing_ctrl_fops = {
.open = tracing_open_generic,
.read = tracing_ctrl_read,
.write = tracing_ctrl_write,
+ .llseek = generic_file_llseek,
};
static const struct file_operations set_tracer_fops = {
.open = tracing_open_generic,
.read = tracing_set_trace_read,
.write = tracing_set_trace_write,
+ .llseek = generic_file_llseek,
};
static const struct file_operations tracing_pipe_fops = {
.read = tracing_read_pipe,
.splice_read = tracing_splice_read_pipe,
.release = tracing_release_pipe,
+ .llseek = no_llseek,
};
static const struct file_operations tracing_entries_fops = {
.open = tracing_open_generic,
.read = tracing_entries_read,
.write = tracing_entries_write,
+ .llseek = generic_file_llseek,
};
static const struct file_operations tracing_mark_fops = {
.open = tracing_open_generic,
.write = tracing_mark_write,
+ .llseek = generic_file_llseek,
};
static const struct file_operations trace_clock_fops = {
static const struct file_operations tracing_stats_fops = {
.open = tracing_open_generic,
.read = tracing_stats_read,
+ .llseek = generic_file_llseek,
};
#ifdef CONFIG_DYNAMIC_FTRACE
static const struct file_operations tracing_dyn_info_fops = {
.open = tracing_open_generic,
.read = tracing_read_dyn_info,
+ .llseek = generic_file_llseek,
};
#endif
.open = tracing_open_generic,
.read = trace_options_read,
.write = trace_options_write,
+ .llseek = generic_file_llseek,
};
static ssize_t
.open = tracing_open_generic,
.read = trace_options_core_read,
.write = trace_options_core_write,
+ .llseek = generic_file_llseek,
};
struct dentry *trace_create_file(const char *name,
trace_create_file("dyn_ftrace_total_info", 0444, d_tracer,
&ftrace_update_tot_cnt, &tracing_dyn_info_fops);
#endif
-#ifdef CONFIG_SYSPROF_TRACER
- init_tracer_sysprof_debugfs(d_tracer);
-#endif
create_trace_options_dir();