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104 Commits

Author SHA1 Message Date
Nathan Scott dfb9b82607 Resolve clang-analyzer signed/unsigned comparison CI failure 2020-12-22 16:58:17 +11:00
Benny Baumann 6502b02666 DiD: Ensure string offsets are inside string boundaries 2020-12-21 22:35:38 +01:00
Benny Baumann 10c6810bff Avoid NULL dereference on zombie processes 
Fixes #361
 2020-12-21 22:29:18 +01:00
Christian Göttsche 9f68c8d341 Merge Process_pidColumns into Process_fields and rework auto-fit for PID-like columns 2020-12-19 21:13:32 +01:00
Christian Göttsche 89473cc9ae Rework enum ProcessField 
Use only one enum instead of a global and a platform specific one.
Drop Platform_numberOfFields global variable.
Set known size of Process_fields array
 2020-12-19 21:13:32 +01:00
Christian Göttsche d872e36308 LinuxProcess: drop dead Process columns 2020-12-19 21:13:32 +01:00
Benny Baumann 77db240b48 Split boilerplate and platform-independent field comparison 
This acheives two things:
- Allows for simple tie-breaking if values compare equal (needed to make sorting the tree-view stable)
- Allows for platform-dependent overriding of the sort-order for specific fields

Also fixes a small oversight on DragonFlyBSD when default-sorting.
 2020-12-19 16:02:34 +01:00
Hisham Muhammad 3d1703f16f Invert Process_compare resolution so that superclass matches run first 
* This removes duplicated code that adjusts the sort direction from every
  OS-specific folder.
* Most fields in a regular htop screen are OS-independent, so trying
  Process_compare first and only falling back to the OS-specific
  compareByKey function if it's an OS-specific field makes sense.
* This will allow us to override the sortKey in a global way without having
  to edit each OS-specific file.
 2020-12-19 16:02:34 +01:00
Christian Göttsche 0cb257586a Move macro definitions close to usage 2020-12-16 19:13:56 +01:00
Nathan Scott a3db2da4a7 Cleanup initialization of jiffies on the Linux platform 
Small cleanups - add error handling, remove a local static
variable and refactor LinuxProcess_adjustTime (also rename
it, as its in LinuxProcessList.c not LinuxProcess.c) - and
while there, move the related 'btime' global variable into
LinuxProcessList.c so it can be made static.

Resolves https://github.com/htop-dev/htop/issues/384
 2020-12-14 11:56:13 +11:00
Nathan Scott 75e9f9a8d9 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 11:57:48 +11:00
Benny Baumann f6613db5cd Additional code simplification 
Additional correction for #375
 2020-12-08 21:24:19 +01:00
Christian Göttsche 157086e750 Split RichString_(append|appendn|write) into wide and ascii 
RichString_writeFrom takes a top spot during performance analysis due to the
calls to mbstowcs() and iswprint().

Most of the time we know in advance that we are only going to print regular
ASCII characters.
 2020-12-08 20:58:40 +01:00
Christian Göttsche 77ec86aff4 Use size_t as type for buffer length in Process 2020-12-06 16:03:44 +01:00
Christian Göttsche 7ba25aa3c4 IWYU update 2020-12-06 15:32:16 +01:00
Christian Göttsche fe84840314 Add Linux cwd process column 2020-12-03 09:21:28 +01:00
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