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Author SHA1 Message Date
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