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os-util.h
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1 // Copyright 2012 Cloudera Inc.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef IMPALA_UTIL_PROC_UTIL_H
16 #define IMPALA_UTIL_PROC_UTIL_H
17 
18 #include "common/logging.h"
19 #include "common/status.h"
20 
21 namespace impala {
22 
25 
27 struct ThreadStats {
28  int64_t user_ns;
29  int64_t kernel_ns;
30  int64_t iowait_ns;
31 
35 };
36 
40 Status GetThreadStats(int64_t tid, ThreadStats* stats);
41 
46 bool RunShellProcess(const std::string& cmd, std::string* msg);
47 
48 }
49 #endif
int64_t kernel_ns
Definition: os-util.h:29
bool RunShellProcess(const std::string &cmd, std::string *msg)
int64_t user_ns
Definition: os-util.h:28
Container struct for statistics read from the /proc filesystem for a thread.
Definition: os-util.h:27
Status GetThreadStats(int64_t tid, ThreadStats *stats)
Definition: os-util.cc:52
int64_t iowait_ns
Definition: os-util.h:30