1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
#include "include/private/dvr/performance_client.h"
#include <sys/types.h>
#include <pdx/default_transport/client_channel_factory.h>
#include <pdx/rpc/remote_method.h>
#include <pdx/rpc/string_wrapper.h>
#include <private/dvr/performance_rpc.h>
using android::pdx::rpc::WrapString;
namespace android {
namespace dvr {
PerformanceClient::PerformanceClient(int* error)
: BASE(pdx::default_transport::ClientChannelFactory::Create(
PerformanceRPC::kClientPath)) {
if (error)
*error = Client::error();
}
int PerformanceClient::SetCpuPartition(pid_t task_id,
const std::string& partition) {
if (task_id == 0)
task_id = gettid();
return ReturnStatusOrError(
InvokeRemoteMethod<PerformanceRPC::SetCpuPartition>(task_id, partition));
}
int PerformanceClient::SetCpuPartition(pid_t task_id, const char* partition) {
if (task_id == 0)
task_id = gettid();
return ReturnStatusOrError(
InvokeRemoteMethod<PerformanceRPC::SetCpuPartition>(
task_id, WrapString(partition)));
}
int PerformanceClient::SetSchedulerPolicy(pid_t task_id,
const std::string& scheduler_policy) {
if (task_id == 0)
task_id = gettid();
return ReturnStatusOrError(
InvokeRemoteMethod<PerformanceRPC::SetSchedulerPolicy>(task_id,
scheduler_policy));
}
int PerformanceClient::SetSchedulerPolicy(pid_t task_id,
const char* scheduler_policy) {
if (task_id == 0)
task_id = gettid();
return ReturnStatusOrError(
InvokeRemoteMethod<PerformanceRPC::SetSchedulerPolicy>(
task_id, WrapString(scheduler_policy)));
}
int PerformanceClient::SetSchedulerClass(pid_t task_id,
const std::string& scheduler_class) {
if (task_id == 0)
task_id = gettid();
return ReturnStatusOrError(
InvokeRemoteMethod<PerformanceRPC::SetSchedulerClass>(task_id,
scheduler_class));
}
int PerformanceClient::SetSchedulerClass(pid_t task_id,
const char* scheduler_class) {
if (task_id == 0)
task_id = gettid();
return ReturnStatusOrError(
InvokeRemoteMethod<PerformanceRPC::SetSchedulerClass>(
task_id, WrapString(scheduler_class)));
}
int PerformanceClient::GetCpuPartition(pid_t task_id,
std::string* partition_out) {
if (partition_out == nullptr)
return -EINVAL;
if (task_id == 0)
task_id = gettid();
auto status = InvokeRemoteMethodInPlace<PerformanceRPC::GetCpuPartition>(
partition_out, task_id);
return status ? 0 : -status.error();
}
int PerformanceClient::GetCpuPartition(pid_t task_id, char* partition_out,
std::size_t size) {
if (partition_out == nullptr)
return -EINVAL;
if (task_id == 0)
task_id = gettid();
auto wrapper = WrapString(partition_out, size);
auto status = InvokeRemoteMethodInPlace<PerformanceRPC::GetCpuPartition>(
&wrapper, task_id);
if (!status)
return -status.error();
if (wrapper.size() < size)
partition_out[wrapper.size()] = '\0';
return 0;
}
} // namespace dvr
} // namespace android
extern "C" int dvrSetCpuPartition(pid_t task_id, const char* partition) {
int error;
if (auto client = android::dvr::PerformanceClient::Create(&error))
return client->SetCpuPartition(task_id, partition);
else
return error;
}
extern "C" int dvrSetSchedulerPolicy(pid_t task_id,
const char* scheduler_policy) {
int error;
if (auto client = android::dvr::PerformanceClient::Create(&error))
return client->SetSchedulerPolicy(task_id, scheduler_policy);
else
return error;
}
extern "C" int dvrSetSchedulerClass(pid_t task_id,
const char* scheduler_class) {
int error;
if (auto client = android::dvr::PerformanceClient::Create(&error))
return client->SetSchedulerClass(task_id, scheduler_class);
else
return error;
}
extern "C" int dvrGetCpuPartition(pid_t task_id, char* partition, size_t size) {
int error;
if (auto client = android::dvr::PerformanceClient::Create(&error))
return client->GetCpuPartition(task_id, partition, size);
else
return error;
}
|
