Commit Graph

287 Commits

Author SHA1 Message Date
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
Christian Göttsche 1b225cd7a0 Show CPU temperature in CPU meter
Show the CPU temperature in the CPU meter, like CPU frequency, instead
of using an extra Meter.
2020-11-16 16:38:54 +01:00
Christian Göttsche 0411fdbcef Use spaceship comparison for TTYs 2020-11-15 22:54:14 +01:00
Christian Göttsche f856fe6463 Early skip non-directories when searching for process information 2020-11-15 22:54:14 +01:00
Christian Göttsche ad72b747fa Drop hideThreads Setting
It is only used to read process directories on RedHat beginning with a dot.
Unconditionally accept directories with a starting dot.
2020-11-15 22:54:14 +01:00
Daniel Lange bb908f3dc4 Resolve merge conflicts, merge #298 "Macro cleanup" from @BenBE 2020-11-15 14:33:09 +01:00
Daniel Lange da2dcf9505 Remove duplicate test for NUL
Fixes #308, thanks @qarmin (Rafał Mikrut)
2020-11-15 14:16:23 +01:00
Benny Baumann e7b95feee4 Remove unnecessary braces 2020-11-02 22:15:01 +01:00
Benny Baumann 0e922d4085 Integrate NAN check into assignment
The check for NAN is kept to avoid relying on implementation details of the CLAMP macro/function
2020-11-02 22:15:01 +01:00
Benny Baumann 45869513bf Embracing branches 2020-11-02 22:15:01 +01:00
Benny Baumann 61e14d4bb2 Spacing around operators 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 493217e814 Fix indentation to 3 spaces 2020-11-02 22:15:01 +01:00
Benny Baumann adf797c295 Spacing after keywords (for) 2020-11-02 22:15:01 +01:00
Benny Baumann 374edb9ed5 Spacing after keywords (if) 2020-11-02 22:14:59 +01:00
Benny Baumann 0a51eae11f Spacing after keywords (while) 2020-11-02 22:14:26 +01:00
Benny Baumann c790b6ae67 Remove accidental syntax collision 2020-11-02 22:14:26 +01:00
Benny Baumann 7ab0915a6c Remove unnecessary trailing semicolon on macros 2020-11-02 22:14:26 +01:00
Christian Göttsche 15652e7b81 Enclose macro arguments in parentheses 2020-10-31 19:54:03 +01:00
Murloc Knight ab17ef4dc0 Zram Meter feature 2020-10-31 18:51:53 +01:00
Christian Göttsche 8c1f5c5a6f Enclose macro arguments in parentheses 2020-10-28 19:57:10 +01:00
Benny Baumann cf1a9ec180 Refactor LinuxProcessList_readSmapsFile to work line-oriented 2020-10-28 19:46:23 +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 27870bd4de Drop unneeded variablw initialization and reduce scope 2020-10-27 18:00:43 +01:00
Christian Göttsche a3bb7cbe64 Hold only a const version of Settings in ProcessList 2020-10-26 19:30:38 +01:00
Christian Göttsche 4eb443926f Hold only a const version of Settings in Process 2020-10-26 19:30:38 +01:00
Daniel Lange 0ea18a6edb Merge branch 'Xalloc_Cleanup' of cgzones/htop 2020-10-20 10:23:47 +02:00
Daniel Lange 9f1a9ab2c2 Merge branch 'header_pause' of cgzones/htop
Continue to update generic data in paused mode
2020-10-20 10:17:58 +02:00
Christian Göttsche 4c66eb6d4c XUtils string related updates
- allow count out-parameter of String_split() to be NULL
- introduce xStrndup()
- do not allow NULL pointers passed to String_eq()
  it is not used in any code
- implement String_startsWith(), String_contains_i() and String_eq()
  as inline header functions
- adjust several conversion issues
2020-10-19 15:38:45 +02:00
Christian Göttsche 96e2a4259e Continue to update generic data in paused mode
Generic data, as CPU and memory usage, are used by Meters.
In paused mode they would stop receiving updates and especially Graph
Meters would stop showing continuous data.

Improves: #214
Closes: #253
2020-10-19 14:45:39 +02:00
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 81543253cf Fix misaligned access inside taskstats structure
Reported by UB sanitizer (alongside several other messages):
linux/LinuxProcessList.c:782:25: runtime error: member access within misaligned address 0x614000000264 for type 'struct taskstats', which requires 8 byte alignment
0x614000000264: note: pointer points here
  64 01 03 00 0a 00 00 00  00 00 00 00 02 00 00 00  00 00 00 00 4b c8 2e 00  00 00 00 00 3e 45 3c fd
              ^

The issue doesn't cause trouble on x86, but any architecture with stricter memory alignment requirements may inadvertedly break.
2020-10-18 17:20:34 +02:00
Benny Baumann 872e542f4e Rename StringUtils.[ch] to XUtils.[ch] 2020-10-16 20:30:21 +02:00
Christian Göttsche a63cfc8b7c Refactor generating starttime string into Process class 2020-10-16 19:23:40 +02:00
Christian Göttsche 783be7711d Do not use extra starttime process field on Linux 2020-10-16 19:23:40 +02:00
Christian Göttsche 25022c219d Read CPU count every cycle to avoid issues when HT/SMT mode changes 2020-10-12 13:15:23 +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 d69585b82a Resolve DEBUG compilation issues
Use NDEBUG conditional instead of DEBUG.

Do not call static functions in extern inline ones.
    Vector.c:67:11: error: static function 'Vector_isConsistent' is used in an inline function with external linkage [-Werror,-Wstatic-in-inline]
2020-10-03 19:04:27 +02:00
Christian Göttsche 6f387008cb Add security attribute process column 2020-10-03 18:51:17 +02:00
Christian Göttsche 7ae967a04b Drop redundant return statements 2020-09-29 10:44:42 +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
Christian Göttsche edf1b10d2c Read CPU frequency from sysfs by default
Use the more portable sysfs node /sys/devices/system/cpu/cpuX/cpufreq/scaling_cur_freq
to get the CPU frequency.
In case of an error fall back to /proc/cpuinfo .

Also use a fixed width of 4 for the frequency to avoid position jumps
in case the frequency moves in the range 900-1100 MHz.
2020-09-24 20:11:28 +02:00
Christian Göttsche 594409f299 Add DeepCode inline suppression
commsize is bounded by the allocated length passed in by commLen, saved
into commLenIn
2020-09-24 19:56:30 +02:00
Benny Baumann 321960bd96 Update delay accounting to use NAN on error 2020-09-24 18:06:36 +02:00
Benny Baumann 3c65d78d77 Update CPU freq display to use NAN on error 2020-09-24 18:06:36 +02:00
Benny Baumann d0d3deb73c Properly query sysconf settting and use NAN if unavailable
This also fixes an issue with time returned negative if sysconf(_SC_CLK_TCK) returned an 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 f9966b5be3 Use checked allocation wrappers 2020-09-23 17:50:21 +02:00
Christian Göttsche eb260af6bf Fix memory leak on cgroup read failure 2020-09-21 13:55:29 +02:00
Christian Göttsche 00665e2a2b Avoid unsigned integer overflow
unsigned overflow is well defined, but creates noise when using
sanitizers. unsigned overflow can be a symptom of logic issues of
counter, so its reasonable to use.

linux/LinuxProcessList.c:64:50: runtime error: unsigned integer overflow: 0 - 1 cannot be represented in type 'unsigned int'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior linux/LinuxProcessList.c:64:50 in
linux/LinuxProcessList.c:64:11: runtime error: implicit conversion from type 'unsigned int' of value 4294967295 (32-bit, unsigned) to type 'int' changed the value to -1 (32-bit, signed)
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior linux/LinuxProcessList.c:64:11 in
linux/LinuxProcessList.c:64:78: runtime error: unsigned integer overflow: 4 - 136 cannot be represented in type 'unsigned int'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior linux/LinuxProcessList.c:64:78 in
2020-09-17 21:53:31 +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
Christian Göttsche 37921382f4 Use PROCDIR throughout instead of /proc on Linux 2020-09-17 21:44:27 +02:00
Christian Göttsche b096fdbfc0 Avoid potential buffer overflow in LinuxProcessList_readStatFile
Pass size of allocated command buffer and limit write.
2020-09-17 21:43:53 +02:00
Nathan Scott 4597332959 Switch variable/field naming from WhiteList to MatchList 2020-09-09 19:38:15 +10:00
Nathan Scott c5808c56db Consolidate repeated macro definitions into one header
The MIN, MAX, CLAMP, MINIMUM, and MAXIMUM macros appear
throughout the codebase with many re-definitions.  Make
a single copy of each in a common header file, and use
the BSD variants of MINIMUM/MAXIMUM due to conflicts in
the system <sys/param.h> headers.
2020-09-09 16:56:04 +10:00
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
Nathan Scott 47a7d0bd74 Merge branch 'configure' of https://github.com/cgzones/htop into cgzones-configure 2020-08-31 17:13:37 +10:00
Nathan Scott b321177b08 Merge branch 'master' of github.com:htop-dev/htop 2020-08-31 16:57:46 +10:00
Christian Göttsche 5c99c6e942 Check btime sscanf parse from /proc/stat
Found by Coverity
2020-08-28 16:46:50 +02:00
Christian Göttsche a850d81bf5 Avoid use of uninitialized variables
Found by Coverity
2020-08-28 16:46:50 +02:00
Christian Göttsche 05a5fdc47f Ignore sscanf return value of /proc/stat
Found by Coverity
2020-08-28 16:46:50 +02:00
Christian Göttsche af84d3dfa9 Fail on out-of-range CPU number
Found by Coverity
2020-08-28 16:46:50 +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 a48ce9d103 Really tell gcc to ignore return value of fscanf 2020-08-28 13:10:41 +02:00
Christian Göttsche 4e2b9f0965 Avoid shadowing warnings 2020-08-25 12:01:56 +02:00
Christian Göttsche 3856bf574b Introduce xAsprintf as checked version of asprintf 2020-08-21 10:37:29 +02:00
Nathan Scott 9a55efc8b5 Merge branch 'hishamhm-pull-920' 2020-08-20 18:24:35 +10:00
Nathan Scott fed14a584d Merge branch 'hishamhm-pull-970' 2020-08-20 15:33:30 +10:00
Nathan Scott 6b443c5da9 Merge branch 'hishamhm-pull-932' 2020-08-20 14:47:07 +10:00
Nathan Scott a82fd262d7 Merge branch 'hishamhm-pull-960' 2020-08-20 14:19:53 +10:00
Nathan Scott 45ae6191c1 Merge branch 'hishamhm-pull-866' 2020-08-20 12:29:25 +10:00
Nathan Scott eef6bc447d Correction to smaps buffer size passed to smaps path snprintf 2020-08-19 17:50:43 +10:00
Jure Oder 88c9ebb8f7 Properly identify zombie processes
This closes issue #930.
2019-12-14 11:47:03 +01:00
Daniel Flanagan dd33444f7e Clean up existing whitespace 2019-10-31 11:39:12 -05:00
Ross Williams a267003f2f Linux fixes 2019-09-03 19:56:38 +00:00
Ross Williams 613556faeb Support for ZFS Compressed ARC statistics 2019-09-03 18:44:19 +00:00
Arnavion 81b64691a7 Move sysfs-reading code to LinuxProcessList.c and add average frequency.
This way the frequency is read from sysfs only once per update cycle
instead of every time the UI is redrawn.

This also changes the code to read from /proc/cpuinfo instead. This is because
reading from scaling_cur_freq stalls for 10ms if the previous read for the file
was more than one second ago. [1] Since htop's update cycle is
longer than that, it would cause the read of each CPU's scaling_cur_freq file
to block the UI for 20ms. This easily led to a noticeable half-second lag on
a 20+ CPU machine.

/proc/cpuinfo also has a 10ms delay, but this applies for the whole file
so the delay does not scale with the number of CPUs. [2]

[1]: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=4815d3c56d1e10449a44089a47544d9ba84fad0d
[2]: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=7d5905dc14a87805a59f3c5bf70173aac2bb18f8
2019-08-10 22:19:32 -07:00
Ross Williams a88d2e313d Refactor common OpenZFS sysctl access
Darwin and FreeBSD export zfs kstats through the
same APIs, so moving functions into a common file.
2019-07-07 23:10:54 -04:00
Ross Williams 070fe90461 ZFS arcstats for Linux
If no pools are imported (ARC size == 0) or the
ZFS module is not in the kernel (/proc/spl/kstat/zfs/arcstats
does not exist), then the Meter reports "Unavailable".
2019-07-07 22:57:15 -04:00
Alexander Schlarb 078c2ddde5 Linux: Use /proc/*/smaps_rollup for improved PSS parsing speed 2019-03-20 17:00:49 +01:00
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
Hisham Muhammad 402e46bb82 Linting changes
as reported by lgtm.com
2019-02-10 14:16:46 +01:00
Wataru Ashihara 41754e5632
Remove unnecessary HAVE_SYS_SYSMACROS_H check
HAVE_SYS_SYSMACROS_H is always true if MAJOR_IN_SYSMACROS.

This way of checking is recommended in autoconf 2.70 documentation:
https://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=blobdiff;f=doc/autoconf.texi;h=4f041bd4e;hp=9ad7dc1c5f02c8ba25b2fe1218bf931c7113a5d5;hb=e17a30e987d7ee695fb4294a82d987ec3dc9b974;hpb=565a6dc50cfa01cec2fb4db894026689cdf4970c

NOTE: currently
      https://www.gnu.org/software/autoconf/manual/autoconf.html is the
      doc for autoconf 2.69.
2018-12-15 22:10:06 +09:00
Hisham Muhammad bae27054e6 Linux: fix CPU count 2018-08-24 18:38:06 -03:00
Hisham Muhammad 8d01ae2054 Linux: remove warnings of unused variables 2018-08-24 18:38:06 -03:00
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
Score_Under d74b6dc8e0 Fix process name updates for shorter strings (#812)
When a process name changes from a long string to a short string,
truncate instead of just overwriting the beginning.
2018-07-28 00:08:40 -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
Kang-Che Sung (宋岡哲) c01f40eb3e Fix build failure ('major' undefined) in glibc 2.28. (#746)
glibc 2.28 no longer defines 'major' and 'minor' in <sys/types.h> and
requires us to include <sys/sysmacros.h>. (glibc 2.25 starts
deprecating the macros in <sys/types.h>.) Now do include the latter if
found on the system.

At the moment, let's also utilize AC_HEADER_MAJOR in configure script.
However as Autoconf 2.69 has not yet updated the AC_HEADER_MAJOR macro
to reflect the glibc change [1], so add a workaround code.

Fixes #663. Supersedes pull request #729.

Reference:
[1] https://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commit;h=e17a30e987d7ee695fb4294a82d987ec3dc9b974

Signed-off-by: Kang-Che Sung <explorer09@gmail.com>
2018-02-26 10:15:05 -03:00
Hisham Muhammad 6dda8d2586 linux/LinuxProcessList.c: Fix indentation. 2018-02-17 20:52:46 -02:00
Marc Kleine-Budde 70ed51a303 linux/LinuxProcessList: fix reading of number of read syscalls of process
The "if" tests if the character at index "5" is 'r', as a first quick
check. However at index "5" will always be a colon ":". This patch fixes
the off-by-one error. htop now shows proper values in the RD_SYSC
column.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2018-02-17 16:14:34 -02:00
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 9487bda330 Do not use xSnprintf when the result is used. Fixes #662. 2017-08-01 15:48:43 -07:00
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 e940aecfb9 Add "no perm" status when other fields fail due to lack of permission.
Thanks @Sworddragon for the heads up.
See #88.
2017-07-10 20:57:34 -03:00
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 bd5d37f297 Return when reading cmdline fails (e.g. zombie process) 2016-08-24 18:11:10 -03:00
Hisham 1a13b4d0f4 Don't store invisible trailing whitespace 2016-06-15 12:41:50 -03:00
Hisham e77811e99b any of these values may wrap 2016-02-29 21:57:03 -03:00
Hisham baec4bdcb0 Try to retain last full name of a zombie process.
Once a process goes zombie on Linux, /proc/PID/cmdline
gets empty. So, when we detect it is a zombie we stop
reading this file.
For processes that were zombies before htop started,
there's no way to get the full name.
Closes #49.
2016-02-19 20:51:57 -02:00
Hisham e0c364b9cc Fix reading of io_syscr and io_syscw.
Issue noticed by GCC6 -Wmisleading-indentation.
Thanks @JIghtuse and @Explorer09!
Closes #409.
2016-02-16 14:34:25 -02:00