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138 Commits

Author SHA1 Message Date
Christian Göttsche
9029cc83ad Merge identical conditional branches 2020-12-02 19:14:22 +01:00
Christian Göttsche
43ee295c23 Drop redundant return statements 2020-12-02 19:14:22 +01:00
Christian Göttsche
5ee6875f73 Typo 2020-11-28 20:53:49 +01:00
Benny Baumann
0b29e5074c Use 'N/A' instead of 'no perm' for more consistency 2020-11-28 17:43:08 +01:00
Benny Baumann
08d6e25301 Distinguish display of no permissions for reading M_LRS 2020-11-26 22:58:34 +01:00
Fynn Wulf
7f18b352b0 Calculate library size (M_LRS column) from maps file 2020-11-26 22:58:34 +01:00
Christian Göttsche
9b31ee5b63 Drop taskstats conditional 
taskstats is only checked on runtime if the column RCHAR, WCHAR, SYSCR,
SYSCW, RBYTES, WBYTES, CNCLWB, IO_READ_RATE, IO_WRITE_RATE or IO_RATE is
selected.

taskstats is currently enabled by default.

Drop the taskstats configuration switch, to reduce the maintenance cost.
 2020-11-25 20:49:39 +01:00
Christian Göttsche
c88c80e3bd Drop cgroup conditional 
cgroup is only checked on runtime if the column CGROUP is selected.

cgroup is currently disabled by default, but most distributions do
enable it.

Drop the cgroup configuration switch, to reduce the maintenance cost.
 2020-11-25 20:49:39 +01:00
Benny Baumann
21e3063e2e Include comm before cmdline if exe could not be read, but comm mismatches basename from cmdline 
Also highlights entries where exe was marked deleted
 2020-11-24 19:05:48 +01:00
Benny Baumann
46ee28e897 Refactor command string creation 
Hopefully this patch makes it a bit more approachable how it's done.
 2020-11-24 19:05:48 +01:00
Benny Baumann
27b36dab1a Make kernel thread display for COMM/EXE columns less visible and more consistent 2020-11-24 19:05:48 +01:00
Benny Baumann
f0a232568f Reduce visual noise to when comm and cmdline actually disagree on the program basename 2020-11-24 19:05:48 +01:00
Narendran Gopalakrishnan
dde2af1fdb Assume full basename matches COMM when matching full COMM buffer 2020-11-24 19:05:48 +01:00
Narendran Gopalakrishnan
be60419630 Cleanup some documentation 2020-11-24 19:05:48 +01:00
Narendran Gopalakrishnan
09fe94da18 Improving Command display/sort 2020-11-24 19:05:48 +01:00
Christian Göttsche
fa002c0ba9 Rename virtual memory column from M_SIZE to M_VIRT 
Closes: #325
 2020-11-21 19:39:45 +01:00
Christian Göttsche
3e5cba91ce LinuxProcess: mark LinuxProcess_printDelay static 2020-11-21 19:26:55 +01:00
Christian Göttsche
7cf5277594 IWYU update (Linux) 2020-11-19 23:51:50 +01:00
Christian Göttsche
15eab2012d Add process column for normalized CPU usage 
Shows the process CPU usage divided by the number of CPU cores
 2020-11-16 18:14:06 +01:00
Christian Göttsche
9f67b95308 Mark local functions static 2020-11-15 18:35:30 +01:00
Christian Göttsche
397b5c4bd0 Introduce spaceship comparison for Processes 
If currently two unsigned values are compared via `a - b`, in the case b
is actually bigger than a, the result will not be an negative number (as
-1 is expected) but a huge positive number as the subtraction is an
unsigned subtraction.

Avoid over-/underflow affected operations; use comparisons.
Modern compilers will generate sane code, like:
    xor     eax, eax
    cmp     rdi, rsi
    seta    al
    sbb     eax, 0
    ret
 2020-11-15 18:25:21 +01:00
Benny Baumann
45869513bf Embracing branches 2020-11-02 22:15:01 +01:00
Benny Baumann
b23f8235e2 Whitespace and indentation issues 2020-11-02 22:15:01 +01:00
Benny Baumann
374edb9ed5 Spacing after keywords (if) 2020-11-02 22:14:59 +01:00
Christian Göttsche
d33b2be2ca Implement LinuxProcess_effectiveIOPriority as function 
Make it more readable and fix unenclosed macro arguments
 2020-10-28 19:57:10 +01:00
Christian Göttsche
ac2b07eddd Avoid some unnecessary casts and mark some not changing variables const 2020-10-27 18:00:43 +01:00
Christian Göttsche
4eb443926f Hold only a const version of Settings in Process 2020-10-26 19:30:38 +01:00
Christian Göttsche
7109172431 Mark process parameter of Process_writeField consistently const 2020-10-26 19:30:38 +01:00
Christian Göttsche
361877454f Cache PAGE_SIZE 
man:sysconf(3) states:
    The values obtained from these functions are system configuration constants.
    They do not change during the lifetime of a process.
 2020-10-19 14:42:35 +02:00
Benny Baumann
0f5262917f Make all required includes explicit 
Information as seen by IWYU 0.12 + clang 9 on Linux
 2020-10-18 20:09:05 +02:00
Benny Baumann
872e542f4e Rename StringUtils.[ch] to XUtils.[ch] 2020-10-16 20:30:21 +02:00
Benny Baumann
c6f04a9c5d Move xAsprintf, xSnprintf and xStrdup to StringUtils.h 2020-10-16 20:29:45 +02:00
Christian Göttsche
783be7711d Do not use extra starttime process field on Linux 2020-10-16 19:23:40 +02:00
Christian Göttsche
7af06659e2 Mark remaining classes const 2020-10-13 14:56:01 +02:00
Christian Göttsche
41eea8a355 Mark process argument of Process_isThread const 2020-10-09 10:18:40 +02:00
Benny Baumann
2970cae543 Handle parsing envID & VPid from process status file 
Fixes #55
Fixes #192
 2020-10-07 13:14:39 +02:00
Christian Göttsche
954d6c12f5 Simplify statm parsing and document unused fields 2020-10-06 18:59:02 +02:00
Daniel Lange
079c2abf8e Update License consistently to GPLv2 as per COPYING file 2020-10-05 10:13:12 +02:00
Christian Göttsche
6f387008cb Add security attribute process column 2020-10-03 18:51:17 +02:00
Christian Göttsche
843949131a Drop redundant casts to the same type 2020-09-29 10:44:42 +02:00
Christian Göttsche
18b1e9fba9 Do not drop qualifier in cast 
ListItem.c:73:33: warning: cast from 'const void *' to 'struct ListItem_ *' drops const qualifier [-Wcast-qual]
   ListItem* obj1 = (ListItem*) cast1;
                                ^
ListItem.c:74:33: warning: cast from 'const void *' to 'struct ListItem_ *' drops const qualifier [-Wcast-qual]
   ListItem* obj2 = (ListItem*) cast2;
                                ^

Process.c:434:28: warning: cast from 'const void *' to 'struct Process_ *' drops const qualifier [-Wcast-qual]
   Process* p1 = (Process*)v1;
                           ^
Process.c:435:28: warning: cast from 'const void *' to 'struct Process_ *' drops const qualifier [-Wcast-qual]
   Process* p2 = (Process*)v2;
                           ^
Process.c:441:36: warning: cast from 'const void *' to 'struct Process_ *' drops const qualifier [-Wcast-qual]
   Settings *settings = ((Process*)v1)->settings;
                                   ^
Process.c:443:22: warning: cast from 'const void *' to 'struct Process_ *' drops const qualifier [-Wcast-qual]
      p1 = (Process*)v1;
                     ^
Process.c:444:22: warning: cast from 'const void *' to 'struct Process_ *' drops const qualifier [-Wcast-qual]
      p2 = (Process*)v2;
                     ^
Process.c:446:22: warning: cast from 'const void *' to 'struct Process_ *' drops const qualifier [-Wcast-qual]
      p2 = (Process*)v1;
                     ^
Process.c:447:22: warning: cast from 'const void *' to 'struct Process_ *' drops const qualifier [-Wcast-qual]
      p1 = (Process*)v2;
                     ^

AffinityPanel.c:37:16: warning: cast from 'const char *' to 'void *' drops const qualifier [-Wcast-qual]
   free((void*)this->text);
               ^
AffinityPanel.c:39:19: warning: cast from 'const char *' to 'void *' drops const qualifier [-Wcast-qual]
      free((void*)this->indent);
                  ^

linux/LinuxProcess.c:294:36: warning: cast from 'const void *' to 'struct Process_ *' drops const qualifier [-Wcast-qual]
   Settings *settings = ((Process*)v1)->settings;
                                   ^
linux/LinuxProcess.c:296:27: warning: cast from 'const void *' to 'struct LinuxProcess_ *' drops const qualifier [-Wcast-qual]
      p1 = (LinuxProcess*)v1;
                          ^
linux/LinuxProcess.c:297:27: warning: cast from 'const void *' to 'struct LinuxProcess_ *' drops const qualifier [-Wcast-qual]
      p2 = (LinuxProcess*)v2;
                          ^
linux/LinuxProcess.c:299:27: warning: cast from 'const void *' to 'struct LinuxProcess_ *' drops const qualifier [-Wcast-qual]
      p2 = (LinuxProcess*)v1;
                          ^
linux/LinuxProcess.c:300:27: warning: cast from 'const void *' to 'struct LinuxProcess_ *' drops const qualifier [-Wcast-qual]
      p1 = (LinuxProcess*)v2;
                          ^

linux/LinuxProcessList.c:62:32: warning: cast from 'const void *' to 'struct TtyDriver_ *' drops const qualifier [-Wcast-qual]
   TtyDriver* a = (TtyDriver*) va;
                               ^
linux/LinuxProcessList.c:63:32: warning: cast from 'const void *' to 'struct TtyDriver_ *' drops const qualifier [-Wcast-qual]
   TtyDriver* b = (TtyDriver*) vb;
                               ^

linux/Battery.c:130:21: warning: cast from 'const char *' to 'char *' drops const qualifier [-Wcast-qual]
      free((char *) isOnline);
                    ^
linux/Battery.c:197:26: warning: cast from 'const char *' to 'char *' drops const qualifier [-Wcast-qual]
      xSnprintf((char *) filePath, sizeof filePath, SYS_POWERSUPPLY_DIR "/%s/type", entryName);
                         ^
linux/Battery.c:209:29: warning: cast from 'const char *' to 'char *' drops const qualifier [-Wcast-qual]
         xSnprintf((char *) filePath, sizeof filePath, SYS_POWERSUPPLY_DIR "/%s/uevent", entryName);
                            ^
linux/Battery.c:262:29: warning: cast from 'const char *' to 'char *' drops const qualifier [-Wcast-qual]
         xSnprintf((char *) filePath, sizeof filePath, SYS_POWERSUPPLY_DIR "/%s/online", entryName);
                            ^
 2020-09-24 20:14:17 +02:00
Benny Baumann
321960bd96 Update delay accounting to use NAN on error 2020-09-24 18:06:36 +02:00
Benny Baumann
29ec115143 Update IO rate display to use NAN on error 2020-09-24 18:06:36 +02:00
Christian Göttsche
eb260af6bf Fix memory leak on cgroup read failure 2020-09-21 13:55:29 +02:00
Christian Göttsche
98ee833932 Add Linux process column for context switches 
Displays the incremental sum of voluntary_ctxt_switches and nonvoluntary_ctxt_switches.
 2020-09-17 21:53:15 +02:00
Zev Weiss
a1a027b9bd Axe automated header generation. 
Reasoning:
 - implementation was unsound -- broke down when I added a fairly
   basic macro definition expanding to a struct initializer in a *.c
   file.

 - made it way too easy (e.g. via otherwise totally innocuous git
   commands) to end up with timestamps such that it always ran
   MakeHeader.py but never used its output, leading to overbuild noise
   when running what should be a null 'make'.

 - but mostly: it's just an awkward way of dealing with C code.
 2020-09-03 11:58:58 -05:00
Christian Göttsche
e7f6d1ce5f Reduce oom cast from long to int 
Oom values should never be greater then INT_MAX, they should be in the
range 0 - 1000.

Improves: d9a5dd4b91
 2020-08-31 11:55:53 +02:00
Christian Göttsche
d9a5dd4b91 Improve OOM output 
* Fix sort by adding cast
* Shrink column size to 4
* Drop unnecessary maximum field width specifier in sscanf
 2020-08-28 14:24:59 +02:00
Christian Göttsche
b92f62f912 Remove trailing whitespaces 2020-08-21 10:37:33 +02:00
Nathan Scott
a82fd262d7 Merge branch 'hishamhm-pull-960' 2020-08-20 14:19:53 +10:00
Nathan Scott
500fb283e9 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 (?).
 2020-08-20 09:35:33 +10:00
Nathan Scott
f9625cacf0 Merge branch 'hishamhm-pull-843' 2020-08-19 17:47:38 +10:00
Nathan Scott
579995c7c2 Merge branch 'hishamhm-pull-842' 2020-08-18 17:35:56 +10:00
Nathan Scott
dfd9279f87 Resolve complation issues with -fno-common (default from gcc-10) 
Extends the MakeHeader script to auto-generate correct "extern"
function declarations in some cases that it currently does not.

Related to https://github.com/hishamhm/htop/pull/981
 2020-07-10 10:35:32 +10:00
Daniel Flanagan
dd33444f7e Clean up existing whitespace 2019-10-31 11:39:12 -05:00
Alexander Schlarb
fc0bf546c3 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
 2019-03-20 17:00:41 +01:00
Daniel Lange
c34be41e1c Widen ST_UID (UID) column to 5 chars to allow UIDs > 9999 without breaking alignment 
Issue Github #841, Debian bug #910492
 2018-10-07 11:16:12 +02:00
Shawn Landden
bd1d719a61 Linux: add process->starttime and use it for STARTTIME column (#700) 
this way a remount of /proc will not reset starttimes
and we can also see startup times for processes started before the mount
of /proc

also record btime (boot time in seconds since epoch) as Linux semi-global
 2018-08-19 01:29:03 -03:00
Faster IT
e1e3791363 Fix #define to match header when regenerating with MakeHeader.py (#789) 
from Debian https://sources.debian.org/src/htop/2.2.0-1/debian/patches/fix-linux-process.patch/
 2018-05-22 23:09:20 -03:00
Hisham Muhammad
47cf1532b0 Linux: change how kernel threads are detected 
Use the same method that ps and top use to determine if a
process is a kernel thread on Linux: check if cmdline is empty.

Thanks to @wangqr's investigation reported here:
https://github.com/hishamhm/htop/issues/761#issuecomment-375306069

Fixes #761.
 2018-03-25 15:26:05 -03:00
Vladimir Panteleev
87be623eac Add support for Linux TASK_IDLE 
Linux commit 06eb61844d841d0032a9950ce7f8e783ee49c0d0 ("sched/debug:
Add explicit TASK_IDLE printing") exposes kthreads idling using
TASK_IDLE in procfs as "I (idle)".

Until now, when sorting the STATE ("S") column, htop used the raw
value of the state character for comparison, however that led to the
undesirable effect of TASK_IDLE ('I') tasks being sorted above tasks
that were running ('R').

Thus, explicitly recognize the idle process state, and sort it below
others.
 2018-02-04 16:44:21 +01:00
André Carvalho
b7b66b76a5 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 00:15:29 -02:00
Hisham Muhammad
09e241fb12 Security review: check results of snprintf. 
Calls marked with xSnprintf shouldn't fail.
Abort program cleanly if any of them does.
 2017-07-27 16:07:50 -03:00
Hisham Muhammad
e9ecbd05bc Use class value only to display idle I/O priority. 
As suggested by @wolfgang42. Fixes #100.
 2017-07-05 15:18:02 -03:00
Kamyar Rasta
3f6d1262c0 Issue #502 fix SID colunm header width 2017-02-05 00:10:29 +01:00
Kamyar Rasta
84bc00a275 Issue #502 update Session ID column 2017-02-01 00:03:55 +01:00
Hisham
8af4d9f453 Interpret TTY_NR column on Linux, 
translate dev_t to major:minor on other platforms.
Closes #316.
 2016-10-01 03:09:04 -03:00
Hisham
797bcd0961 Catch invalid IO values due to no permissions. 
Display them properly. Not fully convinced of the "no perm" message...
 2016-02-20 02:23:26 -02:00
Hisham
35657208d7 Disable the syscall on systems that don't have it. 
Got a report in #397 that htop runs in NetBSD
masquerading as Linux and using a compatibility /proc
(like we used to in FreeBSD) and that it builds fine
apart from this syscall.
 2016-02-14 12:05:35 -02:00
Hisham
b54d2dde40 Check for failure in allocations. 2016-02-02 15:53:02 +01:00
Christian Hesse
e8970b6f32 fix calloc() calls 
* size_t nmemb (number of elements) first, then size_t size
* do not assume char is size 1 but use sizeof()
* allocate for char, not pointer to char (found by Michael McConville,
  fixes #261)
 2015-09-07 07:52:39 +02:00
Hisham Muhammad
9428010121 Make column width calculation dynamic. 
Closes #228.
 2015-08-20 00:32:47 -03:00
Maks Naumov
1bdee6b6ba Fix sort by cstime 2015-07-23 14:24:39 +03:00
Hisham Muhammad
2f45008477 Enable OOM support unconditionally on Linux. 
Read OOM data only if column is enabled.
Make sort ordering more consistent. Closes #182.
 2015-04-09 15:41:21 -03:00
Hisham Muhammad
d880def0e9 Merge branch 'master' into wip 
Conflicts:
	Process.c
	Process.h
	htop.c
	linux/LinuxProcess.c
	linux/LinuxProcess.h
	test_spec.lua
 2015-04-02 01:57:37 -03:00
Hisham Muhammad
4c24a9b462 Fixes to subclassing Process. 2015-03-31 23:23:10 -03:00
Hisham Muhammad
272e2d9b34 Major advances in FreeBSD port. 2015-03-16 23:02:03 -03:00
Hisham Muhammad
adbfe3c3f1 Get FreeBSD tree to compile again with latest changes. 2015-03-16 03:14:20 -03:00
Hisham Muhammad
be1700cf94 Isolate portable and Linux-specific process fields. 2015-03-16 01:43:04 -03:00
Hisham Muhammad
e3fe3962cb Move more Linux-specific code into Linux subdir. 2015-03-15 20:29:13 -03:00
Hisham Muhammad
e7d6eb6a82 Fix deletion of processes. Closes #172. 
Conflicts:
	linux/LinuxProcess.c
 2015-03-08 19:52:28 -03:00
Hisham Muhammad
39a725abc2 Fix deletion of processes. Closes #172. 2015-03-08 19:45:56 -03:00
Hisham Muhammad
0a184b769f Merge fixes 2015-02-23 03:53:36 -03:00
Hisham Muhammad
9780c312f4 Fix allocation of processes. Closes #166. 
Conflicts:
	Process.c
	Process.h
	ProcessList.c
	ScreenManager.c
	linux/LinuxProcessList.c
 2015-02-23 01:13:40 -03:00
Hisham Muhammad
6f868b00c0 Fix allocation of processes. Closes #166. 2015-02-20 14:52:10 -02:00
Hisham Muhammad
3383d8e556 Sorry about the mega-patch. 
This is a work-in-progress, code is currently broken.
(Some actions, and notably, the header, are missing.)
 2015-01-21 23:27:31 -02:00
Hisham Muhammad
aaaaf063a1 Builds on Linux again! 2014-11-24 19:22:50 -02:00
Hisham Muhammad
26422af608 Files moved and added for supporting separate platforms. 2014-11-24 18:55:49 -02:00