gem5  v21.2.0.0
operatingsystem.hh
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28 
29 #ifndef __KERN_OPERATINGSYSTEM_HH__
30 #define __KERN_OPERATINGSYSTEM_HH__
31 
32 #include "base/types.hh"
33 
34 #include <string>
35 
36 namespace gem5
37 {
38 
39 class Process;
40 class ThreadContext;
41 
48 {
49 
50  public:
51 
55  typedef void tgt_stat;
56 
57  // same for stat64
58  typedef void tgt_stat64;
59 
61  static const int _SYS_NMLN = 65;
62 
64  struct utsname
65  {
71  };
72 
74  struct rlimit
75  {
76  uint64_t rlim_cur;
77  uint64_t rlim_max;
78  };
79 
81  struct timeval
82  {
83  int64_t tv_sec;
84  int64_t tv_usec;
85  };
86 
87  // For writev/readv
88  struct tgt_iovec
89  {
90  uint64_t iov_base; // void *
91  uint64_t iov_len;
92  };
93 
94 
96  struct rusage
97  {
100  int64_t ru_maxrss;
101  int64_t ru_ixrss;
102  int64_t ru_idrss;
103  int64_t ru_isrss;
104  int64_t ru_minflt;
105  int64_t ru_majflt;
106  int64_t ru_nswap;
107  int64_t ru_inblock;
108  int64_t ru_oublock;
109  int64_t ru_msgsnd;
110  int64_t ru_msgrcv;
111  int64_t ru_nsignals;
112  int64_t ru_nvcsw;
113  int64_t ru_nivcsw;
114  };
115 
116  static int openSpecialFile(std::string path, Process *process,
117  ThreadContext *tc);
118 
119 }; // class OperatingSystem
120 
121 } // namespace gem5
122 
123 #endif // __OPERATINGSYSTEM_HH__
gem5::OperatingSystem::timeval
For gettimeofday().
Definition: operatingsystem.hh:81
gem5::OperatingSystem::rusage::ru_idrss
int64_t ru_idrss
integral unshared data "
Definition: operatingsystem.hh:102
gem5::OperatingSystem::timeval::tv_usec
int64_t tv_usec
microseconds
Definition: operatingsystem.hh:84
gem5::OperatingSystem::openSpecialFile
static int openSpecialFile(std::string path, Process *process, ThreadContext *tc)
Definition: operatingsystem.cc:38
gem5::OperatingSystem::timeval::tv_sec
int64_t tv_sec
seconds
Definition: operatingsystem.hh:83
gem5::OperatingSystem::rusage::ru_nivcsw
int64_t ru_nivcsw
involuntary "
Definition: operatingsystem.hh:113
gem5::OperatingSystem::rusage::ru_nvcsw
int64_t ru_nvcsw
voluntary context switches
Definition: operatingsystem.hh:112
gem5::OperatingSystem::rusage::ru_nswap
int64_t ru_nswap
swaps
Definition: operatingsystem.hh:106
gem5::OperatingSystem::rusage
For getrusage().
Definition: operatingsystem.hh:96
gem5::OperatingSystem::rusage::ru_stime
timeval ru_stime
system time used
Definition: operatingsystem.hh:99
gem5::OperatingSystem::rusage::ru_minflt
int64_t ru_minflt
page reclaims - total vmfaults
Definition: operatingsystem.hh:104
gem5::OperatingSystem::utsname::sysname
char sysname[_SYS_NMLN]
System name.
Definition: operatingsystem.hh:66
gem5::OperatingSystem::rusage::ru_ixrss
int64_t ru_ixrss
integral shared memory size
Definition: operatingsystem.hh:101
gem5::ThreadContext
ThreadContext is the external interface to all thread state for anything outside of the CPU.
Definition: thread_context.hh:94
gem5::OperatingSystem::_SYS_NMLN
static const int _SYS_NMLN
Length of strings in struct utsname (plus 1 for null char).
Definition: operatingsystem.hh:61
gem5::OperatingSystem::utsname::version
char version[_SYS_NMLN]
OS version.
Definition: operatingsystem.hh:69
gem5::OperatingSystem::rusage::ru_oublock
int64_t ru_oublock
block output operations
Definition: operatingsystem.hh:108
gem5::OperatingSystem
This class encapsulates the types, structures, constants, functions, and syscall-number mappings spec...
Definition: operatingsystem.hh:47
gem5::OperatingSystem::tgt_iovec::iov_len
uint64_t iov_len
Definition: operatingsystem.hh:91
gem5::OperatingSystem::rusage::ru_majflt
int64_t ru_majflt
page faults
Definition: operatingsystem.hh:105
gem5::OperatingSystem::rusage::ru_utime
timeval ru_utime
user time used
Definition: operatingsystem.hh:98
gem5::OperatingSystem::rusage::ru_inblock
int64_t ru_inblock
block input operations
Definition: operatingsystem.hh:107
gem5::OperatingSystem::rusage::ru_msgsnd
int64_t ru_msgsnd
messages sent
Definition: operatingsystem.hh:109
gem5::OperatingSystem::rlimit::rlim_max
uint64_t rlim_max
hard limit
Definition: operatingsystem.hh:77
gem5::OperatingSystem::tgt_iovec::iov_base
uint64_t iov_base
Definition: operatingsystem.hh:90
gem5::OperatingSystem::tgt_stat64
void tgt_stat64
Definition: operatingsystem.hh:58
gem5::OperatingSystem::rusage::ru_maxrss
int64_t ru_maxrss
max rss
Definition: operatingsystem.hh:100
gem5::OperatingSystem::utsname::nodename
char nodename[_SYS_NMLN]
Node name.
Definition: operatingsystem.hh:67
gem5::Process
Definition: process.hh:68
gem5::OperatingSystem::utsname::machine
char machine[_SYS_NMLN]
Machine type.
Definition: operatingsystem.hh:70
gem5::OperatingSystem::rusage::ru_isrss
int64_t ru_isrss
integral unshared stack "
Definition: operatingsystem.hh:103
types.hh
gem5::OperatingSystem::tgt_iovec
Definition: operatingsystem.hh:88
gem5::OperatingSystem::rusage::ru_nsignals
int64_t ru_nsignals
signals received
Definition: operatingsystem.hh:111
gem5::OperatingSystem::rusage::ru_msgrcv
int64_t ru_msgrcv
messages received
Definition: operatingsystem.hh:110
gem5::OperatingSystem::rlimit
Limit struct for getrlimit/setrlimit.
Definition: operatingsystem.hh:74
gem5::OperatingSystem::utsname::release
char release[_SYS_NMLN]
OS release.
Definition: operatingsystem.hh:68
gem5::OperatingSystem::tgt_stat
void tgt_stat
Stat buffer.
Definition: operatingsystem.hh:55
gem5::OperatingSystem::utsname
Interface struct for uname().
Definition: operatingsystem.hh:64
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: tlb.cc:60
gem5::OperatingSystem::rlimit::rlim_cur
uint64_t rlim_cur
soft limit
Definition: operatingsystem.hh:76

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