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* Only compute counters is process is shownHisham Muhammad2018-02-042-2/+2
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* Implemented various performance countersHisham Muhammad2018-02-045-68/+268
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* Add IPC performance counter for LinuxHisham Muhammad2018-01-304-2/+80
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* Use screen's flags when reading process dataHisham Muhammad2018-01-303-8/+7
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* Add support for multiple screens, switchable using TabHisham Muhammad2018-01-301-2/+2
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* Adds support for linux delay accounting (#667)André Carvalho2017-12-044-2/+189
| | | | | | 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.
* Do not use xSnprintf when the result is used. Fixes #662.Hisham Muhammad2017-08-011-1/+1
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* Security review: check results of snprintf.Hisham Muhammad2017-07-275-29/+29
| | | | | Calls marked with xSnprintf shouldn't fail. Abort program cleanly if any of them does.
* Merge branch 'master' of https://github.com/hishamhm/htopHisham Muhammad2017-07-261-1/+1
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| * Mark some things as constRichard2017-07-221-1/+1
| | | | | | | | | | | | | | Several string pointer arrays pointed to const strings but were not const themselves. A few various structures and arrays were also marked const.
* | Use regular readdir since readdir_r is deprecated and newer GCC complains.Hisham Muhammad2017-07-261-12/+6
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* Add "no perm" status when other fields fail due to lack of permission.Hisham Muhammad2017-07-101-1/+11
| | | | | Thanks @Sworddragon for the heads up. See #88.
* Set idle I/O prio to 0x6007, like ionice.Hisham Muhammad2017-07-052-2/+2
| | | | As suggested by @wolfgang42 in #100.
* Use class value only to display idle I/O priority.Hisham Muhammad2017-07-051-1/+1
| | | | As suggested by @wolfgang42. Fixes #100.
* Merge branch 'master' of https://github.com/hishamhm/htopHisham2017-02-151-2/+2
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| * Issue #502 fix SID colunm header widthKamyar Rasta2017-02-051-1/+1
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| * Issue #502 update Session ID columnKamyar Rasta2017-02-011-2/+2
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* | Cap battery at 100%.Hisham2017-02-151-0/+3
|/ | | | | Apparently invalid results can be returned by buggy drivers in old laptops, as reported by @thukydides. See #596.
* Interpret TTY_NR column on Linux,Hisham2016-10-014-24/+191
| | | | | translate dev_t to major:minor on other platforms. Closes #316.
* Mark signal tables 'const'Explorer092016-08-302-4/+4
| | | | | | | | | Specifically, Platform_signals[] and Platform_numberOfSignals. Both are not supposed to be mutable. Marking them 'const' puts them into rodata sections in binary. And for Platform_numberOfSignals, this aids optimization (aids only Link Time Optimization for now). :) Signed-off-by: Kang-Che Sung <explorer09@gmail.com>
* Return when reading cmdline fails (e.g. zombie process)Hisham2016-08-241-10/+12
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* Optimize Strings_startWith()Explorer092016-08-112-26/+3
| | | | | | | | | | | | | | | | | | | | | Use strncmp() combined with a strlen() will give better performance than a strstr in worst case. Especially when the match prefix is a constant and not a variable. While we are at it, replace the match() function in linux/Battery.c, which uses a naive algorithm, with a macro that does better job by utilizing Strings_startWith(). $ gcc --version | head -n 1 gcc (Ubuntu 4.8.4-2ubuntu1~14.04.3) 4.8.4 $ uname -m x86_64 $ size htop.old htop.new text data bss dec hex filename 137929 15112 3776 156817 26491 htop.old 137784 15104 3776 156664 263f8 htop.new Signed-off-by: Kang-Che Sung <explorer09 @ gmail.com>
* Dynamically adjust the size of line readsHisham Muhammad2016-06-191-8/+9
| | | | | | | * Dynamically adjust the size of line reads. * Remove some more uses of fgets with arbitrary sizes. * Fix reading of lines and width of n column. Fixes #514.
* Don't store invisible trailing whitespaceHisham2016-06-151-2/+5
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* any of these values may wrapHisham2016-02-291-22/+14
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* Catch invalid IO values due to no permissions.Hisham2016-02-201-1/+6
| | | | Display them properly. Not fully convinced of the "no perm" message...
* Try to retain last full name of a zombie process.Hisham2016-02-191-3/+3
| | | | | | | | | 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.
* Fix reading of io_syscr and io_syscw.Hisham2016-02-161-4/+5
| | | | | | Issue noticed by GCC6 -Wmisleading-indentation. Thanks @JIghtuse and @Explorer09! Closes #409.
* Disable the syscall on systems that don't have it.Hisham2016-02-141-1/+8
| | | | | | | 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.
* Fix buffer reuse.Hisham2016-02-131-1/+1
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* Merge branch 'reuse-comm'Hisham2016-02-021-8/+17
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| * Reuse comm object if possible, avoid useless repetitions of free+strdup.Hisham2016-02-021-8/+17
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* | Check for failure in allocations.Hisham2016-02-024-9/+9
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* Introduce CLAMP macro. Unify all MIN(MAX(a,b),c) uses.Explorer092016-01-154-2/+18
| | | | | | | | | | | | | | | | | | | | | | | With the CLAMP macro replacing the combination of MIN and MAX, we will have at least two advantages: 1. It's more obvious semantically. 2. There are no more mixes of confusing uses like MIN(MAX(a,b),c) and MAX(MIN(a,b),c) and MIN(a,MAX(b,c)) appearing everywhere. We unify the 'clamping' with a single macro. Note that the behavior of this CLAMP macro is different from the combination `MAX(low,MIN(x,high))`. * This CLAMP macro expands to two comparisons instead of three from MAX and MIN combination. In theory, this makes the code slightly smaller, in case that (low) or (high) or both are computed at runtime, so that compilers cannot optimize them. (The third comparison will matter if (low)>(high); see below.) * CLAMP has a side effect, that if (low)>(high) it will produce weird results. Unlike MIN & MAX which will force either (low) or (high) to win. No assertion of ((low)<=(high)) is done in this macro, for now. This CLAMP macro is implemented like described in glib <http://developer.gnome.org/glib/stable/glib-Standard-Macros.html> and does not handle weird uses like CLAMP(a++, low++, high--) .
* Merge remote-tracking branch 'upstream/master' into envscreenMichael Klein2016-01-063-15/+23
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| * Merge branch 'master' of https://github.com/hishamhm/htopHisham Muhammad2016-01-031-1/+1
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| | * Fix spelling of "maintainer"Michael McConville2016-01-021-1/+1
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| * | Extend buffer for reading lines from /proc.Hisham Muhammad2015-12-142-14/+22
| |/ | | | | | | | | Apparently a line longer than 255 chars was spotted in the wild: http://serverfault.com/questions/577939/linux-ps-htop-show-processes-running-for-hundreds-or-thousands-of-days-though-h#comment676098_577939
* / Add Platform_getProcessEnvMichael Klein2015-12-032-0/+30
|/ | | | - currently implemented for darwin and linux
* Cached memory calculations, take 2.Hisham Muhammad2015-11-291-6/+2
| | | | Thanks to @OmegaPhil for discussion and reviewing.
* Account unreclaimable slab and shmem as used memory,Hisham Muhammad2015-11-281-15/+27
| | | | | | | | reclaimable slab as cached memory. Hopefully this presents a more truthful representation of available vs. used memory on Linux. See brndnmtthws/conky#82, #242, #67, #263.
* Merge pull request #298 from patrickmarlier/issue202Hisham Muhammad2015-10-261-5/+7
|\ | | | | Fix a case where the usertime calculation can overflow (see issue #202)
| * Fix a case where the usertime calculation can overflow (see issue #202)Patrick Marlier2015-09-141-5/+7
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* | Calculate CPU averages on Darwin (See #295).Hisham Muhammad2015-10-231-8/+8
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* | fixed broken merge, where I forgot to check linux/Platform.c so that it ↵Martin "eto" Misuth2015-10-061-5/+0
| | | | | | | | matches upstream
* | Added platform dependent DEFAULT_SIGNAL define, for now for:Martin "eto" Misuth2015-10-061-2/+7
| | | | | | | | | | | | FreeBSD Linux Other platforms will have it undefined for now.
* | Move list of signals to platform-specific code.Hisham Muhammad2015-10-062-0/+45
|/ | | | | Implementations for Linux (tested) and FreeBSD (still untested, thanks to @etosan for providing the table). Darwin and OpenBSD(ping @mmcco) builds should be broken now, pending their own tables.
* fix calloc() callsChristian Hesse2015-09-071-1/+1
| | | | | | | * 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)
* Reduce scope of variables.Hisham Muhammad2015-08-201-8/+7
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* Make column width calculation dynamic.Hisham Muhammad2015-08-202-38/+14
| | | | Closes #228.

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