Class: StaticTracing::Provider

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby-static-tracing/provider.rb,
ext/ruby-static-tracing/darwin/ruby_static_tracing.c,
ext/ruby-static-tracing/linux/ruby_static_tracing.c

Overview

Provider is the wrapper around libstapsdt

Defined Under Namespace

Classes: ProviderNotFound

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(namespace) ⇒ Provider

Returns a new instance of Provider.



44
45
46
47
48
49
50
51
 
# File 'lib/ruby-static-tracing/provider.rb', line 44

def initialize(namespace)
  if StaticTracing::Platform.supported_platform?
    provider_initialize(namespace)
  else
    StaticTracing.issue_disabled_tracepoints_warning
  end
  @namespace = namespace
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



5
6
7
 
# File 'lib/ruby-static-tracing/provider.rb', line 5

def name
  @name
end

#namespace ⇒ Object (readonly)

Returns the value of attribute namespace.



42
43
44
 
# File 'lib/ruby-static-tracing/provider.rb', line 42

def namespace
  @namespace
end

Class Method Details

.clean ⇒ Object 



31
32
33
 
# File 'lib/ruby-static-tracing/provider.rb', line 31

def clean
  @providers = {}
end

.disable! ⇒ Object 



25
26
27
28
29
 
# File 'lib/ruby-static-tracing/provider.rb', line 25

def disable!
  providers.values.each do |provider|
    provider.disable
  end
end

.enable! ⇒ Object 



19
20
21
22
23
 
# File 'lib/ruby-static-tracing/provider.rb', line 19

def enable!
  providers.values.each do |provider|
    provider.enable
  end
end

.fetch(namespace) ⇒ Object 



13
14
15
16
17
 
# File 'lib/ruby-static-tracing/provider.rb', line 13

def fetch(namespace)
  providers.fetch(namespace) do
    raise ProviderNotFound
  end
end

.register(namespace) ⇒ Object 



9
10
11
 
# File 'lib/ruby-static-tracing/provider.rb', line 9

def register(namespace)
  providers[namespace] ||= new(namespace)
end

Instance Method Details

#add_tracepoint(method_name, *args) ⇒ Object 



53
54
55
 
# File 'lib/ruby-static-tracing/provider.rb', line 53

def add_tracepoint(method_name, *args)
  Tracepoint.new(namespace, method_name, *args)
end

#destroy ⇒ Object 



71
72
 
# File 'lib/ruby-static-tracing/provider.rb', line 71

def destroy
end

#disable ⇒ Object 



64
65
 
# File 'lib/ruby-static-tracing/provider.rb', line 64

def disable
end

#enable ⇒ Object

FIXME - how to store list of tracepoints on provider? Allocate map in C?

def tracepoints
  []
end



61
62
 
# File 'lib/ruby-static-tracing/provider.rb', line 61

def enable
end

#enabled? ⇒ Boolean

FIXME add binding to check if enabled

Returns:

  • (Boolean) 


68
69
 
# File 'lib/ruby-static-tracing/provider.rb', line 68

def enabled?
end

#provider_initialize ⇒ Object 



74
75
 
# File 'lib/ruby-static-tracing/provider.rb', line 74

def provider_initialize(*)
end