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2181 Commits

Author SHA1 Message Date
Nathan Scott 0e7ae9a592 Ensure PCP platform ZramMeter always uses initialized data 2021-06-09 17:09:29 +10:00
Sohaib 407d32e121 Fix PCP ZramMeter in presense of missing zram metrics 2021-06-09 17:09:29 +10:00
Sohaib e1d1a5cec6 Add ZFS ARC statistics and meters to the PCP platform 2021-06-09 17:09:29 +10:00
Nathan Scott 6bb59f8881 Fix cut+paste typo in --enable-pcp error message 2021-06-09 17:09:29 +10:00
Nathan Scott 5ef8706d72 Add new CI workflow to check pcp-enabled builds 2021-06-09 17:09:29 +10:00
Nathan Scott c14a45ba35 Add a platform for Performance Co-Pilot (PCP) metrics 
This introduces an initial platform for extracting metrics
using the PCP performance metrics API - PMAPI(3).  It can
be used via the --enable-pcp=yes configure option.

So far I've added support for live localhost metrics only,
and only using pre-defined metrics already found in htop.
If available, all sampling is performed by pmcd(1) - else,
we fallback to htop doing the metric sampling itself (all
below the PMAPI).  When pmcd is used, it may be configured
to run children with elevated privileges, so htop does not
need to be setuid (authentication with pmcd is available).

Additionally, the PMAPI allows us to support archives (for
historical analysis and for automated regression tests in
htop).  We'll need platform-specific command line argument
additions, which isn't yet feasible in htop (not difficult
to add though).

The goal of this first version is minimal impact in terms
of modifying the htop codebase, to introduce key ideas in
PCP (metric namespace, metadata, APIs and so on) and give
us something to discuss, experiment with and build on.
 2021-06-09 17:09:29 +10:00
Varik Valefor d075d49a0c htop.1.in: Some grammatical errors are fixed. 2021-05-30 11:15:45 +02:00
Varik Valefor f171e360e0 htop.1.in: A grammatical error is fixed. 2021-05-30 11:15:45 +02:00
Benny Baumann c752c542fe Unsupported: Implement CWD column 2021-05-25 21:55:04 +02:00
Benny Baumann 8420df62eb Solaris: Implement CWD column 2021-05-25 21:55:04 +02:00
Benny Baumann 5e92956abc OpenBSD: Implement CWD column 2021-05-25 21:55:04 +02:00
Benny Baumann 90f42695d2 FreeBSD: Implement CWD column 2021-05-25 21:55:04 +02:00
Benny Baumann c2e2556403 DragonFlyBSD: Implement CWD column 2021-05-25 21:55:04 +02:00
Benny Baumann 06073699ba Darwin: Implement CWD column 2021-05-25 21:55:04 +02:00
Benny Baumann b6ff5c8a2e Move CWD field handling to platform-neutral code 2021-05-25 21:55:04 +02:00
Christian Göttsche c408add108 Linux: add reset to heuristic 
On hard to parse command lines tokenStart might be computed to be bigger
than tokenEnd.
Reset both values in such cases.
 2021-05-25 18:20:09 +02:00
Christian Göttsche 550a141860 Add ELAPSED process column 
Add process columns showing the elapsed time since the process was
started.
Similar to STARTTIME, but shows the time passed since the process start
instead of the fixed start time of the process.

Closes https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=782636
 2021-05-23 15:43:23 +02:00
Christian Göttsche 3d5b6d9282 Fix assert failure on short running thread 
The following assert failure might happen on short running threads with
an empty comm value in /proc/${pid}/stat:

htop: Process.c:1159: void Process_updateCmdline(Process *, const char *, int, int): Assertion `(cmdline && basenameStart < (int)strlen(cmdline)) || (!cmdline && basenameStart == 0)' failed.

The specific task is:
    comm=''
    exe='(null)'
    cmdline='/usr/bin/ruby /usr/bin/how-can-i-help --apt'

So basenameStart is 0, while strlen(cmdline) is also 0.
 2021-05-23 15:25:23 +02:00
Benny Baumann 771a1be316 Update documentation for basename coloring of cmdline/exe columns 2021-05-23 09:30:36 +02:00
Benny Baumann 51ecc62d92 Force update when executable was recently deleted/replaced 2021-05-23 09:30:36 +02:00
Benny Baumann bf07c713ba Allow for highlighting of deleted executables to be configured 
Fixes #383
 2021-05-23 09:30:36 +02:00
Christian Göttsche d9feff150c Solaris: add EXE and COMM columns and use merged command line helpers 2021-05-23 09:22:21 +02:00
Christian Göttsche 72724d42f3 DragonFlyBSD: add EXE and COMM columns and use merged command line helpers 2021-05-23 09:22:21 +02:00
Christian Göttsche d445676f09 OpenBSD: add COMM column and use merged command line helpers 2021-05-23 09:22:21 +02:00
Christian Göttsche 4da618030c FreeBSD: add EXE and COMM columns and use merged command line helpers 2021-05-23 09:22:21 +02:00
Christian Göttsche 8ff4eb72ac Darwin: use merged command line helpers 2021-05-23 09:22:21 +02:00
Christian Göttsche 7892ac68fb Linux: use merge command line helpers 2021-05-23 09:22:21 +02:00
Christian Göttsche 6ad4f345dc Unsupported: use merge command line helpers 2021-05-23 09:22:21 +02:00
Christian Göttsche 05fb681d5c Process: add convenience helper functions to update merged command line related data 2021-05-23 09:22:21 +02:00
Christian Göttsche 7c654559c9 Linux: drop obsolete code now in Process_writeField 2021-05-23 09:22:21 +02:00
Benny Baumann 7ef58f2dcf Drop mc->maxLen field 2021-05-23 09:22:21 +02:00
Benny Baumann 2824e2989a Reduce code duplication for nearly identical code-paths 2021-05-23 09:22:21 +02:00
Benny Baumann 9a78155e17 Properly brace macro arguments 2021-05-23 09:22:21 +02:00
Benny Baumann aa8552ba88 Move PROC_COMM/PROC_EXE column handling to global Process implementation 2021-05-23 09:22:21 +02:00
Benny Baumann a61a2e6d47 Call makeCommandStr on all platforms 2021-05-23 09:22:21 +02:00
Benny Baumann bcb18ef822 Move Process_makeCommandStr to global Process implementation 2021-05-23 09:22:21 +02:00
Benny Baumann c0d0202440 Move LinuxProcess_getCommandStr to Process_getCommandStr 2021-05-23 09:22:21 +02:00
Benny Baumann 7224d0e083 Move kernel/userland thread handling to platform-independent implementation 2021-05-23 09:22:21 +02:00
Benny Baumann 1a1fddae85 Pre-calculate isUserlandThread flag 2021-05-23 09:22:21 +02:00
Benny Baumann cdb660adab Move mergeCommand to global process struct 2021-05-23 09:22:21 +02:00
Benny Baumann 94a52cb5c9 Rename cmdlineBasenameOffset to cmdlineBasenameEnd to properly indicate the fields purpose 2021-05-23 09:22:21 +02:00
Benny Baumann 666f70c58c Move procCmdlineBasenameOffset as cmdlineBasenameStart to global Process structure 2021-05-23 09:22:21 +02:00
Benny Baumann 6dc485dd20 Remove duplicate field LinuxProcess->procCmdlineBasenameEnd 
This field held practically the same value as cmdlineBasenameEnd
 2021-05-23 09:22:21 +02:00
Benny Baumann a685661866 Move procExeBasenameOffset to main Process structure 
This drops procExeLen, as that field is implicit by strlen(Process->procExe)
 2021-05-23 09:22:21 +02:00
Benny Baumann 93a44acf7e Move procExeDeleted flag to main Process structure 2021-05-23 09:22:21 +02:00
Benny Baumann b839987df7 Rename basenameOffset to cmdlineBasenameOffset 2021-05-23 09:22:21 +02:00
Benny Baumann d74e8b7554 Move procComm and procExe to main Process structure 2021-05-23 09:22:21 +02:00
Benny Baumann 10790f0a54 Process: Put the time field more to the end 2021-05-23 09:22:21 +02:00
Benny Baumann 02431c43e1 Rename command line field from comm to cmdline 2021-05-23 09:22:21 +02:00
Benny Baumann fbec3e4005 Refactor makeCommandStr 2021-05-23 09:22:21 +02:00