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htop/linux/LinuxProcess.h

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Move platform-dependent parts of Linux battery meter.
2014-11-27 23:02:52 +00:00
#ifndef HEADER_LinuxProcess
#define HEADER_LinuxProcess
/*
htop - LinuxProcess.h
(C) 2014 Hisham H. Muhammad
Resolve compiler warnings and errors relating to the Arg union Promote the Arg union to a core data type in Object.c such that it is visible everywhere (many source files need it), and correct declarations of several functions that use it. The Process_sendSignal function is also corrected to have the expected return type (bool, not void) - an error being masked by ignoring this not-quite-harmless warning. I've also added error checking to the kill(2) call here, which was previously overlooked / missing (?).
2020-08-19 23:35:24 +00:00
(C) 2020 Red Hat, Inc. All Rights Reserved.
Update license headers to explicitly say GPLv2+
2021-09-22 09:33:00 +00:00
Released under the GNU GPLv2+, see the COPYING file
Move platform-dependent parts of Linux battery meter.
2014-11-27 23:02:52 +00:00
in the source distribution for its full text.
*/
IWYU update
2020-12-06 14:22:41 +00:00
#include "config.h" // IWYU pragma: keep
Make all required includes explicit Information as seen by IWYU 0.12 + clang 9 on Linux
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#include <stdbool.h>
IWYU update
2021-08-24 15:27:43 +00:00
#include <sys/types.h>
Make all required includes explicit Information as seen by IWYU 0.12 + clang 9 on Linux
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platform-dependent files included relative to main source directory
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#include "linux/IOPriority.h"
Make all required includes explicit Information as seen by IWYU 0.12 + clang 9 on Linux
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#include "Object.h"
#include "Process.h"
#include "Settings.h"
IWYU update (Linux)
2020-11-18 13:26:30 +00:00
Only initialize and gather delay accounting data if a related column is enabled Avoid creating and communicating over a netlink socket by default, which triggers cap_net_admin checks as root.
2020-12-28 19:51:02 +00:00
#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_DELAYACCT 0x00040000
Add columns for process autogroup identifier and nice value Adds AGRP (autogroup) and ANI (autogroup nice) columns that report the information from /proc/PID/autogroup, as well as handlers for '{' and '}' to change the autogroup nice value. This is guarded by /proc/sys/kernel/sched_autogroup_enabled such that sampling and/or changing values wont be attempted unless the kernel feature is enabled. Fixes: #720
2021-08-06 06:45:30 +00:00
#define PROCESS_FLAG_LINUX_AUTOGROUP 0x00080000
Move more Linux-specific code into Linux subdir.
2015-03-15 23:29:13 +00:00
Move platform-dependent parts of Linux battery meter.
2014-11-27 23:02:52 +00:00
typedef struct LinuxProcess_ {
Process super;
IOPriority ioPriority;
Isolate portable and Linux-specific process fields.
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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;
Linux: Add PSS (proportional set size), Swap and SwapPSS calculation Original code was written by *Craig M. Brandenburg* for htop 1.0.2 Many performance improvements by GitHub user *linvinus*, ported to htop 2.0.2
2018-10-09 19:49:29 +00:00
long m_pss;
long m_swap;
long m_psswp;
Isolate portable and Linux-specific process fields.
2015-03-16 04:43:04 +00:00
long m_trs;
long m_drs;
long m_lrs;
Linux: overhaul io process fields - avoid UBSAN conversions - print N/A on no data (i.e. as unprivileged user) - fix rate calculation to show bytes (instead of a thousandth) - print bytes as human number (i.e. 8MB) instead of 8388608 - stabilize sorting by adjusting NAN values to very tiny negative number
2021-01-27 14:11:48 +00:00
Linux: use proper way to detect kernel threads Use PF_KTHREAD flag in /proc/[pid]/stat to detect kernel threads. This fixed an issue when a process's cmdline is empty, htop think it is a kernel thread.
2021-11-08 14:42:12 +00:00
/* Process flags */
unsigned long int flags;
Linux: update IO fields - fix header width of IO_READ_RATE - save data in bytes (not kilobytes) to better compute rate - fix rate data: multiply with 1000 to compensate time difference in milliseconds - rename unit less variable now into realtimeMs - use Process_printBytes(..., data * pageSize, ...) instead of Process_printKBytes(..., data * pageSizeKB, ...) to avoid wrapper
2021-04-26 15:57:47 +00:00
/* Data read (in bytes) */
Isolate portable and Linux-specific process fields.
2015-03-16 04:43:04 +00:00
unsigned long long io_rchar;
Linux: overhaul io process fields - avoid UBSAN conversions - print N/A on no data (i.e. as unprivileged user) - fix rate calculation to show bytes (instead of a thousandth) - print bytes as human number (i.e. 8MB) instead of 8388608 - stabilize sorting by adjusting NAN values to very tiny negative number
2021-01-27 14:11:48 +00:00
Linux: update IO fields - fix header width of IO_READ_RATE - save data in bytes (not kilobytes) to better compute rate - fix rate data: multiply with 1000 to compensate time difference in milliseconds - rename unit less variable now into realtimeMs - use Process_printBytes(..., data * pageSize, ...) instead of Process_printKBytes(..., data * pageSizeKB, ...) to avoid wrapper
2021-04-26 15:57:47 +00:00
/* Data written (in bytes) */
Isolate portable and Linux-specific process fields.
2015-03-16 04:43:04 +00:00
unsigned long long io_wchar;
Linux: overhaul io process fields - avoid UBSAN conversions - print N/A on no data (i.e. as unprivileged user) - fix rate calculation to show bytes (instead of a thousandth) - print bytes as human number (i.e. 8MB) instead of 8388608 - stabilize sorting by adjusting NAN values to very tiny negative number
2021-01-27 14:11:48 +00:00
/* Number of read(2) syscalls */
Isolate portable and Linux-specific process fields.
2015-03-16 04:43:04 +00:00
unsigned long long io_syscr;
Linux: overhaul io process fields - avoid UBSAN conversions - print N/A on no data (i.e. as unprivileged user) - fix rate calculation to show bytes (instead of a thousandth) - print bytes as human number (i.e. 8MB) instead of 8388608 - stabilize sorting by adjusting NAN values to very tiny negative number
2021-01-27 14:11:48 +00:00
/* Number of write(2) syscalls */
Isolate portable and Linux-specific process fields.
2015-03-16 04:43:04 +00:00
unsigned long long io_syscw;
Linux: overhaul io process fields - avoid UBSAN conversions - print N/A on no data (i.e. as unprivileged user) - fix rate calculation to show bytes (instead of a thousandth) - print bytes as human number (i.e. 8MB) instead of 8388608 - stabilize sorting by adjusting NAN values to very tiny negative number
2021-01-27 14:11:48 +00:00
Linux: update IO fields - fix header width of IO_READ_RATE - save data in bytes (not kilobytes) to better compute rate - fix rate data: multiply with 1000 to compensate time difference in milliseconds - rename unit less variable now into realtimeMs - use Process_printBytes(..., data * pageSize, ...) instead of Process_printKBytes(..., data * pageSizeKB, ...) to avoid wrapper
2021-04-26 15:57:47 +00:00
/* Storage data read (in bytes) */
Isolate portable and Linux-specific process fields.
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unsigned long long io_read_bytes;
Linux: overhaul io process fields - avoid UBSAN conversions - print N/A on no data (i.e. as unprivileged user) - fix rate calculation to show bytes (instead of a thousandth) - print bytes as human number (i.e. 8MB) instead of 8388608 - stabilize sorting by adjusting NAN values to very tiny negative number
2021-01-27 14:11:48 +00:00
Linux: update IO fields - fix header width of IO_READ_RATE - save data in bytes (not kilobytes) to better compute rate - fix rate data: multiply with 1000 to compensate time difference in milliseconds - rename unit less variable now into realtimeMs - use Process_printBytes(..., data * pageSize, ...) instead of Process_printKBytes(..., data * pageSizeKB, ...) to avoid wrapper
2021-04-26 15:57:47 +00:00
/* Storage data written (in bytes) */
Isolate portable and Linux-specific process fields.
2015-03-16 04:43:04 +00:00
unsigned long long io_write_bytes;
Linux: overhaul io process fields - avoid UBSAN conversions - print N/A on no data (i.e. as unprivileged user) - fix rate calculation to show bytes (instead of a thousandth) - print bytes as human number (i.e. 8MB) instead of 8388608 - stabilize sorting by adjusting NAN values to very tiny negative number
2021-01-27 14:11:48 +00:00
Linux: update IO fields - fix header width of IO_READ_RATE - save data in bytes (not kilobytes) to better compute rate - fix rate data: multiply with 1000 to compensate time difference in milliseconds - rename unit less variable now into realtimeMs - use Process_printBytes(..., data * pageSize, ...) instead of Process_printKBytes(..., data * pageSizeKB, ...) to avoid wrapper
2021-04-26 15:57:47 +00:00
/* Storage data cancelled (in bytes) */
Isolate portable and Linux-specific process fields.
2015-03-16 04:43:04 +00:00
unsigned long long io_cancelled_write_bytes;
Linux: overhaul io process fields - avoid UBSAN conversions - print N/A on no data (i.e. as unprivileged user) - fix rate calculation to show bytes (instead of a thousandth) - print bytes as human number (i.e. 8MB) instead of 8388608 - stabilize sorting by adjusting NAN values to very tiny negative number
2021-01-27 14:11:48 +00:00
Linux: update IO fields - fix header width of IO_READ_RATE - save data in bytes (not kilobytes) to better compute rate - fix rate data: multiply with 1000 to compensate time difference in milliseconds - rename unit less variable now into realtimeMs - use Process_printBytes(..., data * pageSize, ...) instead of Process_printKBytes(..., data * pageSizeKB, ...) to avoid wrapper
2021-04-26 15:57:47 +00:00
/* Point in time of last io scan (in milliseconds elapsed since the Epoch) */
unsigned long long io_last_scan_time_ms;
Linux: overhaul io process fields - avoid UBSAN conversions - print N/A on no data (i.e. as unprivileged user) - fix rate calculation to show bytes (instead of a thousandth) - print bytes as human number (i.e. 8MB) instead of 8388608 - stabilize sorting by adjusting NAN values to very tiny negative number
2021-01-27 14:11:48 +00:00
Linux: update IO fields - fix header width of IO_READ_RATE - save data in bytes (not kilobytes) to better compute rate - fix rate data: multiply with 1000 to compensate time difference in milliseconds - rename unit less variable now into realtimeMs - use Process_printBytes(..., data * pageSize, ...) instead of Process_printKBytes(..., data * pageSizeKB, ...) to avoid wrapper
2021-04-26 15:57:47 +00:00
/* Storage data read (in bytes per second) */
Isolate portable and Linux-specific process fields.
2015-03-16 04:43:04 +00:00
double io_rate_read_bps;
Linux: update IO fields - fix header width of IO_READ_RATE - save data in bytes (not kilobytes) to better compute rate - fix rate data: multiply with 1000 to compensate time difference in milliseconds - rename unit less variable now into realtimeMs - use Process_printBytes(..., data * pageSize, ...) instead of Process_printKBytes(..., data * pageSizeKB, ...) to avoid wrapper
2021-04-26 15:57:47 +00:00
/* Storage data written (in bytes per second) */
Isolate portable and Linux-specific process fields.
2015-03-16 04:43:04 +00:00
double io_rate_write_bps;
Linux: update IO fields - fix header width of IO_READ_RATE - save data in bytes (not kilobytes) to better compute rate - fix rate data: multiply with 1000 to compensate time difference in milliseconds - rename unit less variable now into realtimeMs - use Process_printBytes(..., data * pageSize, ...) instead of Process_printKBytes(..., data * pageSizeKB, ...) to avoid wrapper
2021-04-26 15:57:47 +00:00
Isolate portable and Linux-specific process fields.
2015-03-16 04:43:04 +00:00
#ifdef HAVE_OPENVZ
Handle parsing envID & VPid from process status file Fixes #55 Fixes #192
2020-09-30 21:46:52 +00:00
char* ctid;
pid_t vpid;
Isolate portable and Linux-specific process fields.
2015-03-16 04:43:04 +00:00
#endif
#ifdef HAVE_VSERVER
unsigned int vxid;
#endif
char* cgroup;
Compress cgroup names based on some heuristics
2021-10-19 21:36:31 +00:00
char* cgroup_short;
Isolate portable and Linux-specific process fields.
2015-03-16 04:43:04 +00:00
unsigned int oom;
Adds support for linux delay accounting (#667) Adds support for showing columns with linux delay accounting. This information can be read from the netlink interface, and thus we set up a socket to read from that when initializing the LinuxProcessList (LinuxProcessList_initNetlinkSocket). After that, for each process we call LinuxProcessList_readDelayAcctData, which sends a message thru the socket after setting up a callback to get the answer from the Kernel. That callback sets the process total delay time attribute. We then set the delay percent as the percentage of time process cpu time since last scan.
2017-12-04 02:15:29 +00:00
#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
Add Linux process column for context switches Displays the incremental sum of voluntary_ctxt_switches and nonvoluntary_ctxt_switches.
2020-09-11 13:02:00 +00:00
unsigned long ctxt_total;
unsigned long ctxt_diff;
Spacing around operators
2020-10-31 22:28:02 +00:00
char* secattr;
Only calculate M_LRS size every 5 seconds
2020-11-16 18:12:41 +00:00
unsigned long long int last_mlrs_calctime;
Add columns for process autogroup identifier and nice value Adds AGRP (autogroup) and ANI (autogroup nice) columns that report the information from /proc/PID/autogroup, as well as handlers for '{' and '}' to change the autogroup nice value. This is guarded by /proc/sys/kernel/sched_autogroup_enabled such that sampling and/or changing values wont be attempted unless the kernel feature is enabled. Fixes: #720
2021-08-06 06:45:30 +00:00
/* Autogroup scheduling (CFS) information */
long int autogroup_id;
int autogroup_nice;
Move platform-dependent parts of Linux battery meter.
2014-11-27 23:02:52 +00:00
} LinuxProcess;
Cull the definitions of pageSize and pageSizeKB from CRT.c By storing the per-process m_resident and m_virt values in the form htop wants to display them in (KB, not pages), we no longer need to have definitions of pageSize and pageSizeKB in the common CRT code. These variables were never really CRT (i.e. display) related in the first place. It turns out the darwin platform code doesn't need to use these at all (the process values are extracted from the kernel in bytes not pages) and the other platforms can each use their own local pagesize variables, in more appropriate locations. Some platforms were actually already doing this, so this change is removing duplication of logic and variables there.
2020-12-10 00:57:48 +00:00
extern int pageSize;
extern int pageSizeKB;
Merge Process_pidColumns into Process_fields and rework auto-fit for PID-like columns
2020-12-15 18:44:52 +00:00
extern const ProcessFieldData Process_fields[LAST_PROCESSFIELD];
Move more Linux-specific code into Linux subdir.
2015-03-15 23:29:13 +00:00
Mark remaining classes const
2020-10-13 12:35:30 +00:00
extern const ProcessClass LinuxProcess_class;
Fixes to subclassing Process.
2015-04-01 02:23:10 +00:00
Hold only a const version of Settings in Process
2020-10-21 19:26:05 +00:00
Process* LinuxProcess_new(const Settings* settings);
Fix allocation of processes. Closes #166.
2015-02-20 16:52:10 +00:00
Remove superfluous 'extern's from function declarations. Applied via: $ find * -name '*.h' -exec sed -i -r 's/^extern (.+\()/\1/;' {} + Suggested-by: Bert Wesarg <bert.wesarg@googlemail.com>
2020-09-02 07:38:44 +00:00
void Process_delete(Object* cast);
Move platform-dependent parts of Linux battery meter.
2014-11-27 23:02:52 +00:00
Remove superfluous 'extern's from function declarations. Applied via: $ find * -name '*.h' -exec sed -i -r 's/^extern (.+\()/\1/;' {} + Suggested-by: Bert Wesarg <bert.wesarg@googlemail.com>
2020-09-02 07:38:44 +00:00
IOPriority LinuxProcess_updateIOPriority(LinuxProcess* this);
Move platform-dependent parts of Linux battery meter.
2014-11-27 23:02:52 +00:00
Avoid some unnecessary casts and mark some not changing variables const
2020-10-27 10:46:29 +00:00
bool LinuxProcess_setIOPriority(Process* this, Arg ioprio);
Move platform-dependent parts of Linux battery meter.
2014-11-27 23:02:52 +00:00
Add columns for process autogroup identifier and nice value Adds AGRP (autogroup) and ANI (autogroup nice) columns that report the information from /proc/PID/autogroup, as well as handlers for '{' and '}' to change the autogroup nice value. This is guarded by /proc/sys/kernel/sched_autogroup_enabled such that sampling and/or changing values wont be attempted unless the kernel feature is enabled. Fixes: #720
2021-08-06 06:45:30 +00:00
bool LinuxProcess_isAutogroupEnabled(void);
bool LinuxProcess_changeAutogroupPriorityBy(Process* this, Arg delta);
Mark process argument of Process_isThread const
2020-10-07 17:02:15 +00:00
bool Process_isThread(const Process* this);
Isolate portable and Linux-specific process fields.
2015-03-16 04:43:04 +00:00
Move platform-dependent parts of Linux battery meter.
2014-11-27 23:02:52 +00:00
#endif