htop/linux/LinuxProcess.h

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#ifndef HEADER_LinuxProcess
#define HEADER_LinuxProcess
/*
htop - LinuxProcess.h
(C) 2014 Hisham H. Muhammad
(C) 2020 Red Hat, Inc. All Rights Reserved.
Released under the GNU GPLv2, see the COPYING file
in the source distribution for its full text.
*/
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#include "config.h" // IWYU pragma: keep
#include <stdbool.h>
#include "IOPriority.h"
#include "Object.h"
#include "Process.h"
#include "Settings.h"
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#define PROCESS_FLAG_LINUX_IOPRIO 0x00000100
#define PROCESS_FLAG_LINUX_OPENVZ 0x00000200
#define PROCESS_FLAG_LINUX_VSERVER 0x00000400
#define PROCESS_FLAG_LINUX_CGROUP 0x00000800
#define PROCESS_FLAG_LINUX_OOM 0x00001000
#define PROCESS_FLAG_LINUX_SMAPS 0x00002000
#define PROCESS_FLAG_LINUX_CTXT 0x00004000
#define PROCESS_FLAG_LINUX_SECATTR 0x00008000
#define PROCESS_FLAG_LINUX_LRS_FIX 0x00010000
#define PROCESS_FLAG_LINUX_CWD 0x00020000
#define PROCESS_FLAG_LINUX_DELAYACCT 0x00040000
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/* LinuxProcessMergedCommand is populated by LinuxProcess_makeCommandStr: It
* contains the merged Command string, and the information needed by
* LinuxProcess_writeCommand to color the string. str will be NULL for kernel
* threads and zombies */
typedef struct LinuxProcessMergedCommand_ {
char *str; /* merged Command string */
int maxLen; /* maximum expected length of Command string */
int baseStart; /* basename's start offset */
int baseEnd; /* basename's end offset */
int commStart; /* comm's start offset */
int commEnd; /* comm's end offset */
int sep1; /* first field separator, used if non-zero */
int sep2; /* second field separator, used if non-zero */
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bool separateComm; /* whether comm is a separate field */
bool unmatchedExe; /* whether exe matched with cmdline */
bool cmdlineChanged; /* whether cmdline changed */
bool exeChanged; /* whether exe changed */
bool commChanged; /* whether comm changed */
bool prevMergeSet; /* whether showMergedCommand was set */
bool prevPathSet; /* whether showProgramPath was set */
bool prevCommSet; /* whether findCommInCmdline was set */
bool prevCmdlineSet; /* whether findCommInCmdline was set */
} LinuxProcessMergedCommand;
typedef struct LinuxProcess_ {
Process super;
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char *procComm;
char *procExe;
int procExeLen;
int procExeBasenameOffset;
bool procExeDeleted;
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int procCmdlineBasenameOffset;
int procCmdlineBasenameEnd;
LinuxProcessMergedCommand mergedCommand;
bool isKernelThread;
IOPriority ioPriority;
unsigned long int cminflt;
unsigned long int cmajflt;
unsigned long long int utime;
unsigned long long int stime;
unsigned long long int cutime;
unsigned long long int cstime;
long m_share;
long m_pss;
long m_swap;
long m_psswp;
long m_trs;
long m_drs;
long m_lrs;
long m_dt;
/* Data read (in kilobytes) */
unsigned long long io_rchar;
/* Data written (in kilobytes) */
unsigned long long io_wchar;
/* Number of read(2) syscalls */
unsigned long long io_syscr;
/* Number of write(2) syscalls */
unsigned long long io_syscw;
/* Storage data read (in kilobytes) */
unsigned long long io_read_bytes;
/* Storage data written (in kilobytes) */
unsigned long long io_write_bytes;
/* Storgae data cancelled (in kilobytes) */
unsigned long long io_cancelled_write_bytes;
/* Point in time of last io scan (in seconds elapsed since the Epoch) */
unsigned long long io_last_scan_time;
double io_rate_read_bps;
double io_rate_write_bps;
#ifdef HAVE_OPENVZ
char* ctid;
pid_t vpid;
#endif
#ifdef HAVE_VSERVER
unsigned int vxid;
#endif
char* cgroup;
unsigned int oom;
char* ttyDevice;
#ifdef HAVE_DELAYACCT
unsigned long long int delay_read_time;
unsigned long long cpu_delay_total;
unsigned long long blkio_delay_total;
unsigned long long swapin_delay_total;
float cpu_delay_percent;
float blkio_delay_percent;
float swapin_delay_percent;
#endif
unsigned long ctxt_total;
unsigned long ctxt_diff;
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char* secattr;
unsigned long long int last_mlrs_calctime;
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char* cwd;
} LinuxProcess;
#define Process_isKernelThread(_process) (((const LinuxProcess*)(_process))->isKernelThread)
static inline bool Process_isUserlandThread(const Process* this) {
return this->pid != this->tgid;
}
extern int pageSize;
extern int pageSizeKB;
extern const ProcessFieldData Process_fields[LAST_PROCESSFIELD];
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extern const ProcessClass LinuxProcess_class;
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Process* LinuxProcess_new(const Settings* settings);
void Process_delete(Object* cast);
IOPriority LinuxProcess_updateIOPriority(LinuxProcess* this);
bool LinuxProcess_setIOPriority(Process* this, Arg ioprio);
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/* This function constructs the string that is displayed by
* LinuxProcess_writeCommand and also returned by LinuxProcess_getCommandStr */
void LinuxProcess_makeCommandStr(Process *this);
bool Process_isThread(const Process* this);
#endif