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191 Commits

Author SHA1 Message Date
Christian Göttsche 70f48f1f44 Add wrapper function for free and strdup 
Reduces code in callers and helps avoiding memory leaks.
 2021-01-11 20:12:34 +01:00
Christian Göttsche 3715301fe3 Drop always false condition 
The previous if conditional branch would have been taken
in case this condition would be true,
 2021-01-11 20:12:34 +01:00
Christian Göttsche 8fe04b7494 Hashtable: use more distinct typename for key type 2021-01-06 16:59:28 +01:00
Christian Göttsche 8c8149d146 XUtils: check for multiplication overflow in allocation size 2021-01-02 22:35:13 +01:00
Christian Göttsche 293c16e22d 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.
 2021-01-01 21:34:22 +01:00
Christian Göttsche aa08279964 Linux: accept clock CPU frequency 
processor   : 0
cpu         : POWER8 (architected), altivec supported
clock       : 4024.000000MHz
revision    : 2.0 (pvr 004d 0200)

Closes: #424
 2020-12-23 19:58:10 +01:00
Benny Baumann 4a73e80338 Make remaining number literals use uppercase 2020-12-20 17:17:51 +01:00
Christian Göttsche 6b100b0cf4 Use upper case numeric literals 
See https://rules.sonarsource.com/c/RSPEC-818
 2020-12-20 16:58:17 +01:00
Christian Göttsche c9583c692d Handle absence of package CPU temperature 
Resolves: #389
 2020-12-14 21:07:07 +01:00
Nathan Scott b7836515e8 Harden the extraction of boot time for the Linux platform 
There is a possible path - albeit theoretical really - through
the btime initialization code in Linux ProcessList_new(), when
String_startsWith() is always false, which can result in btime
not being initialized.

This commit refactors the code to remove that possibility.
 2020-12-14 12:16:32 +11:00
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 8d69a9a53e Simplify initialization of the Linux haveSmapsRollup variable 2020-12-14 01:46:29 +01:00
Chris Burr 8149823d56 Define O_PATH if not already defined 2020-12-13 00:55:50 +01:00
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
Christian Göttsche 7ba25aa3c4 IWYU update 2020-12-06 15:32:16 +01:00
Benny Baumann 22f8f8000c Initialize buffer for retrieved path 
This avoids a warning on GCC 11.

Fixes #369
 2020-12-06 11:51:03 +01:00
Christian Göttsche 876194492f LinuxProcessList: add underscore suffix for raw struct name 
Fit the general coding style
 2020-12-05 20:25:54 +01:00
Christian Göttsche d1db9da936 Linux: avoid float division by 0 after system sleep 
linux/LinuxProcessList.c:1403:63: runtime error: division by zero
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior linux/LinuxProcessList.c:1403:63 in
 2020-12-03 13:25:17 +01:00
Christian Göttsche fe84840314 Add Linux cwd process column 2020-12-03 09:21:28 +01:00
Christian Göttsche b76eaf187a Dynamically load libsensors at runtime 2020-12-02 21:03:24 +01:00
Christian Göttsche f7a8952933 Add xReadfile wrapper for reading small to medium size files 
Inspired by proposed Linux syscall

Avoid file descriptor leaks like 4af8c63f
 2020-12-02 20:39:36 +01:00
Christian Göttsche c0b50164dd Use String_eq for readability and consistency 2020-12-02 19:14:22 +01:00
Christian Göttsche 7975cd2ca3 Add cast to unsigned char to avoid signed char misuse 2020-12-02 19:14:22 +01:00
Christian Göttsche 9029cc83ad Merge identical conditional branches 2020-12-02 19:14:22 +01:00
Christian Göttsche 9549ca8c88 Linux: fix process parsing for hidden pid directories 2020-11-29 12:46:25 +01:00
Daniel Lange 6c306315c8 Fix reading of device nodes > 2 chars from memory maps 2020-11-28 17:06:06 +01:00
Christian Göttsche 2ff2859c23 Add compat mode for systems without openat(2) 2020-11-28 12:35:34 +01:00
Christian Göttsche 638207a2ff LinuxProcessList: use openat instead of building path strings 
openat() is available since Linux 2.6.16
 2020-11-28 12:35:34 +01:00
Nathan Scott f704baeb82 Drop unused global ProcessList memory fields 
The global ProcessList structure contains a couple of unused
fields.  'sharedMem' has never been used by any Meter, since
its not been anything other than zero in Linux /proc/meminfo
for many, many years.  The freeMem field is only used in the
usedMem calculation, so it can reside on the stack like some
other memory variables used within-calculations-only and not
exposed to the user via a Meter.
 2020-11-27 07:55:58 +01:00
Benny Baumann 2c27f1d9ab Randomly refresh M_LRS calculation, but latest after 2s 2020-11-26 22:58:34 +01:00
Benny Baumann 31044d1729 Roll our own strtoull implementation specialized to handle the parsing requirements 2020-11-26 22:58:34 +01:00
Benny Baumann cceab5f803 Hardcode actual conversions to read the maps file data 2020-11-26 22:58:34 +01:00
Benny Baumann 721d9112d9 Only calculate M_LRS size every 5 seconds 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 d62c2e9cca LinuxProcessList_recurseProcTree: compute time only once and mark parent const 2020-11-25 22:14:35 +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
Christian Göttsche c038326a70 LinuxProcessList: fix misspelling 2020-11-25 12:49:17 +01:00
Christian Göttsche 4af8c63f63 Fix file descriptor leak in LinuxProcessList_readCmdlineFile after xread failure 
Found by Coverity
 2020-11-24 19:54:25 +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 fcda517a67 Add heuristic for space-separated cmdline 2020-11-24 19:05:48 +01:00
Benny Baumann 98fce1fb43 Compatibility function for faccessat 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 42c842c190 LinuxProcess_adjustTime: simplify by not using double 
Does not work with -ffast-math else.
 2020-11-24 17:30:21 +01:00
Christian Göttsche 952ee9cd77 LinuxProcessList: fix misspelling 2020-11-24 11:46:17 +01:00
Christian Göttsche 6c2849ec81 Linux: fix display of new thread for one cycle when hidden 2020-11-23 14:44:31 +01:00
Christian Göttsche 17eeb7573a LinuxProcessList: skip parsing threads if the kind of thread is disabled 2020-11-22 16:49:43 +01:00
Benny Baumann 03f9a86918 Reduce scope of local variables 2020-11-22 10:08:27 +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 0a2105eb22 Spelling corrections 2020-11-18 13:59:55 +01:00