OLD | NEW |
| (Empty) |
1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "content/renderer/pepper/ppb_uma_private_impl.h" | |
6 | |
7 #include "base/metrics/histogram.h" | |
8 #include "ppapi/c/pp_var.h" | |
9 #include "ppapi/c/private/ppb_uma_private.h" | |
10 #include "ppapi/shared_impl/var.h" | |
11 | |
12 using ppapi::StringVar; | |
13 | |
14 namespace content { | |
15 | |
16 namespace { | |
17 | |
18 #define RETURN_IF_BAD_ARGS(_name, _sample, _min, _max, _bucket_count) \ | |
19 do { \ | |
20 if (_name.type != PP_VARTYPE_STRING || _name.value.as_id == 0) \ | |
21 return; \ | |
22 if (_min >= _max) \ | |
23 return; \ | |
24 if (_bucket_count <= 1) \ | |
25 return; \ | |
26 } while (0) | |
27 | |
28 void HistogramCustomTimes(PP_Var name, | |
29 int64_t sample, | |
30 int64_t min, int64_t max, | |
31 uint32_t bucket_count) { | |
32 RETURN_IF_BAD_ARGS(name, sample, min, max, bucket_count); | |
33 | |
34 StringVar* name_string = StringVar::FromPPVar(name); | |
35 if (name_string == NULL) | |
36 return; | |
37 base::HistogramBase* counter = | |
38 base::Histogram::FactoryTimeGet( | |
39 name_string->value(), | |
40 base::TimeDelta::FromMilliseconds(min), | |
41 base::TimeDelta::FromMilliseconds(max), | |
42 bucket_count, | |
43 base::HistogramBase::kUmaTargetedHistogramFlag); | |
44 counter->AddTime(base::TimeDelta::FromMilliseconds(sample)); | |
45 } | |
46 | |
47 void HistogramCustomCounts(PP_Var name, | |
48 int32_t sample, | |
49 int32_t min, int32_t max, | |
50 uint32_t bucket_count) { | |
51 RETURN_IF_BAD_ARGS(name, sample, min, max, bucket_count); | |
52 | |
53 StringVar* name_string = StringVar::FromPPVar(name); | |
54 if (name_string == NULL) | |
55 return; | |
56 base::HistogramBase* counter = | |
57 base::Histogram::FactoryGet( | |
58 name_string->value(), | |
59 min, | |
60 max, | |
61 bucket_count, | |
62 base::HistogramBase::kUmaTargetedHistogramFlag); | |
63 counter->Add(sample); | |
64 } | |
65 | |
66 void HistogramEnumeration(PP_Var name, | |
67 int32_t sample, | |
68 int32_t boundary_value) { | |
69 RETURN_IF_BAD_ARGS(name, sample, 1, boundary_value, boundary_value + 1); | |
70 | |
71 StringVar* name_string = StringVar::FromPPVar(name); | |
72 if (name_string == NULL) | |
73 return; | |
74 base::HistogramBase* counter = | |
75 base::LinearHistogram::FactoryGet( | |
76 name_string->value(), | |
77 1, | |
78 boundary_value, | |
79 boundary_value + 1, | |
80 base::HistogramBase::kUmaTargetedHistogramFlag); | |
81 counter->Add(sample); | |
82 } | |
83 | |
84 } // namespace | |
85 | |
86 const PPB_UMA_Private ppb_uma = { | |
87 &HistogramCustomTimes, | |
88 &HistogramCustomCounts, | |
89 &HistogramEnumeration, | |
90 }; | |
91 | |
92 // static | |
93 const PPB_UMA_Private* PPB_UMA_Private_Impl::GetInterface() { | |
94 return &ppb_uma; | |
95 } | |
96 | |
97 } // namespace content | |
OLD | NEW |