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The development channel on IRC moved to libera.chat
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Allow other projects (PCP) to be able to ship an htop binary
which uses the custom name (pcp-htop) in several diagnostics
so that its clear which (if any!) binary failed.
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Makes the pcp-htop binary valgrind-clean once more.
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The library size in statm is unused and always 0 since Linux 2.6.
Fixes: 8154125d4bf26fff20241eebe17954254409a522
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Reading and parsing /proc/<pid>/maps is quite expensive.
Do not check for deleted libraries if the main binary has been deleted;
in this case the deleted binary takes precedence.
Do not check in threads. The check is void for kernel threads and user-
land threads can just inherit the state from the main process structure.
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This ensures, the minimal dependencies we specify are sufficient.
Also this reduces fallout from broken recommendations.
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Always check if the user of a process changed, e.g. by using setuid(2).
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O_PATH is available since Linux 2.6.39, but we are using fstat(2) on the
returned file descriptor in LinuxProcessList_statProcessDir(), which
is only supported since Linux 3.6.
Fixes #534
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Shared libraries can be replaced by an upgrade, highlight processes
using deleted shared libraries.
Link with highlightDeletedExe setting, enabled by default.
Currently only checked on Linux.
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Resolves a couple of remaining review notes from @BenBE.
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Resolves a couple of remaining review notes from @BenBE.
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Remove code now that we have common platform-independent command
line wrangling (thanks BenBE!). Add PCP platform support for a
handful of other recently arriving odds and ends - ELAPSED time,
CWD, and so on.
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This is no longer used and confuses Coverity scans, drop it.
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Related to https://github.com/htop-dev/htop/pull/574
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Uses the mem.util.shared metric (Shmem from meminfo).
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Fixes CI builds which are on an old version of PCP.
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Updates for recent NetworkIO Meter changes, adds support
for the SysArch and HostName Meters. The SysArch change
is based on work originally by Sohaib Mohamed.
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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.
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On hard to parse command lines tokenStart might be computed to be bigger
than tokenEnd.
Reset both values in such cases.
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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
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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.
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Fixes #383
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