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ProcessDescriptor.cpp File Reference
`#include <errno.h>`
`#include <string>`
`#include "unistd.h"`
`#include "libgen.h"`
`#include <cstdio>`
`#include <sstream>`
`#include <iostream>`
`#include <fcntl.h>`
`#include "sys/times.h"`
`#include <sys/types.h>`
`#include <sys/signal.h>`
`#include <sys/syscall.h>`
`#include <sys/procfs.h>`
`#include <sys/time.h>`
`#include <sys/resource.h>`
`#include "ProcessDescriptor.h"`
`#include "GaudiKernel/ModuleInfo.h"`
`#include "GaudiKernel/System.h"`
Include dependency graph for ProcessDescriptor.cpp:

Go to the source code of this file.

## Classes
struct | linux_proc

## Namespaces
| System
| Note: OS specific details for environment resolution.

## Macros
#define | GAUDIKERNEL_PROCSTAT_CPP
#define | WINVER 0
#define | s_myPid (::getpid())

## Enumerations
enum | System::ProcessInfoCommand { System::ProcessBasicInformation, System::ProcessQuotaLimits, System::ProcessIoCounters, System::ProcessVmCounters, System::ProcessTimes, System::ProcessBasePriority, System::ProcessRaisePriority, System::ProcessDebugPort, System::ProcessExceptionPort, System::ProcessAccessToken, System::ProcessLdtInformation, System::ProcessLdtSize, System::ProcessDefaultHardErrorMode, System::ProcessIoPortHandlers, System::ProcessPooledUsageAndLimits, System::ProcessWorkingSetWatch, System::ProcessUserModeIOPL, System::ProcessEnableAlignmentFaultFixup, System::ProcessPriorityClass, System::ProcessWx86Information, System::ProcessHandleCount, System::ProcessAffinityMask, System::ProcessPriorityBoost, System::MaxProcessInfoClass, System::ProcessEllapsedTime }

## Functions
void | readProcStat (long pid, linux_proc &pinfo)

## Macro Definition Documentation

#define GAUDIKERNEL_PROCSTAT_CPP

Definition at line 15 of file ProcessDescriptor.cpp.

#define s_myPid (::getpid())

Definition at line 373 of file ProcessDescriptor.cpp.

#define WINVER 0

Definition at line 72 of file ProcessDescriptor.cpp.

## Function Documentation

void readProcStat | ( | long | pid,
|  | linux_proc & | pinfo
| ) |  |

Definition at line 303 of file ProcessDescriptor.cpp.

303 {
304
305 int cnt, fd;
306 char buf[512];
307
308 std::ostringstream ost;
309
310 ost << "/proc/" << pid << "/stat";
311 std::string fname = ost.str();
312 if((fd=open(fname.c_str(),O_RDONLY))<0) {
313 std::cerr << "Failed to open " << ost.str() << std::endl;
314 return;
315 }
316
317 lseek(fd,0,SEEK_SET);
318 if((cnt=read(fd,buf,sizeof(buf)))<0) {
319 std::cout << "LINUX Read of Proc file failed:" << std::endl;
320 close(fd);
321 return;
322 }
323
324 // Format
325 if(cnt>0) {
326 buf[cnt]='\0';
327 sscanf(buf,
328 //1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 20 1 2 3 4 5 6 7 8 9 30 1 2 3 4 5
329 "%d %s %c %d %d %d %d %d %lu %lu %lu %lu %lu %lu %lu %ld %ld %ld %ld %ld %ld %llu %lu %ld %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu",
330 &pinfo.pid,
331 pinfo.comm,
332 &pinfo.state,
333 &pinfo.ppid,
334 &pinfo.pgrp,
335 &pinfo.session,
336 &pinfo.tty,
337 &pinfo.tpgid,
338 &pinfo.flags,
339 &pinfo.minflt,
340 &pinfo.cminflt,
341 &pinfo.majflt,
342 &pinfo.cmajflt,
343 &pinfo.utime,
344 &pinfo.stime,
345 &pinfo.cutime,
346 &pinfo.cstime,
347 &pinfo.priority,
348 &pinfo.nice,
349 &pinfo.num_threads,
350 &pinfo.itrealvalue,
351 &pinfo.starttime,
352 &pinfo.vsize,
353 &pinfo.rss,
354 &pinfo.rlim,
355 &pinfo.startcode,
356 &pinfo.endcode,
357 &pinfo.startstack,
358 &pinfo.kstkesp,
359 &pinfo.kstkeip,
360 &pinfo.signal,
361 &pinfo.blocked,
362 &pinfo.sigignore,
363 &pinfo.sigcatch,
364 &pinfo.wchan
365 );
366 }
367 close(fd);
368 }
linux_proc::minflt
unsigned long minflt
Definition: ProcessDescriptor.cpp:270
linux_proc::kstkesp
unsigned long kstkesp
Definition: ProcessDescriptor.cpp:289
linux_proc::signal
unsigned long signal
Definition: ProcessDescriptor.cpp:291
linux_proc::wchan
unsigned long wchan
Definition: ProcessDescriptor.cpp:295
linux_proc::sigcatch
unsigned long sigcatch
Definition: ProcessDescriptor.cpp:294
linux_proc::state
char state
Definition: ProcessDescriptor.cpp:263
linux_proc::tty
int tty
Definition: ProcessDescriptor.cpp:267
std::sscanf
T sscanf(T...args)
linux_proc::flags
unsigned long flags
Definition: ProcessDescriptor.cpp:269
linux_proc::pid
int pid
Definition: ProcessDescriptor.cpp:261
std::endl
T endl(T...args)
linux_proc::comm
char comm[400]
Definition: ProcessDescriptor.cpp:262
linux_proc::num_threads
long num_threads
Definition: ProcessDescriptor.cpp:280
linux_proc::session
int session
Definition: ProcessDescriptor.cpp:266
std::string
STL class.
linux_proc::cstime
long cstime
Definition: ProcessDescriptor.cpp:277
linux_proc::pgrp
int pgrp
Definition: ProcessDescriptor.cpp:265
linux_proc::cutime
long cutime
Definition: ProcessDescriptor.cpp:276
linux_proc::nice
long nice
Definition: ProcessDescriptor.cpp:279
std::ostringstream
STL class.
linux_proc::itrealvalue
long itrealvalue
Definition: ProcessDescriptor.cpp:281
linux_proc::vsize
unsigned long vsize
Definition: ProcessDescriptor.cpp:283
std::ostringstream::str
T str(T...args)
linux_proc::startstack
unsigned long startstack
Definition: ProcessDescriptor.cpp:288
linux_proc::rss
long rss
Definition: ProcessDescriptor.cpp:284
linux_proc::cminflt
unsigned long cminflt
Definition: ProcessDescriptor.cpp:271
linux_proc::tpgid
int tpgid
Definition: ProcessDescriptor.cpp:268
linux_proc::majflt
unsigned long majflt
Definition: ProcessDescriptor.cpp:272
linux_proc::starttime
unsigned long long starttime
Definition: ProcessDescriptor.cpp:282
linux_proc::cmajflt
unsigned long cmajflt
Definition: ProcessDescriptor.cpp:273
linux_proc::kstkeip
unsigned long kstkeip
Definition: ProcessDescriptor.cpp:290
linux_proc::priority
long priority
Definition: ProcessDescriptor.cpp:278
linux_proc::startcode
unsigned long startcode
Definition: ProcessDescriptor.cpp:286
std::string::c_str
T c_str(T...args)
linux_proc::utime
unsigned long utime
Definition: ProcessDescriptor.cpp:274
linux_proc::ppid
int ppid
Definition: ProcessDescriptor.cpp:264
linux_proc::blocked
unsigned long blocked
Definition: ProcessDescriptor.cpp:292
std::cerr
linux_proc::endcode
unsigned long endcode
Definition: ProcessDescriptor.cpp:287
linux_proc::stime
unsigned long stime
Definition: ProcessDescriptor.cpp:275
linux_proc::sigignore
unsigned long sigignore
Definition: ProcessDescriptor.cpp:293
linux_proc::rlim
unsigned long rlim
Definition: ProcessDescriptor.cpp:285