Comments (5)
GuillaumeGomez
commented on May 31, 2024
They seem to use the exact same values as I do: https://github.com/giampaolo/psutil/blob/master/psutil/_psutil_osx.c#L1885
So maybe they extra another information and what you get is the result?
from sysinfo.
GuillaumeGomez
commented on May 31, 2024
Ok, this is from the thread status and not the process status. Adding it.
from sysinfo.
davechallis
commented on May 31, 2024
Thanks, just gave this a test, looks a bit better, but still getting an unusually higher number of "None" results from this, e.g. running:
extern crate sysinfo;
use sysinfo::SystemExt;
fn main() {
let mut system = sysinfo::System::new();
system.refresh_all();
for (pid, process) in system.get_process_list() {
println!("{}:{} thread_status={:?}, process_status={:?}",
pid, process.name, process.status, process.process_status);
}
}
Now outputs e.g.:
740:com.apple.quicklook.ThumbnailsAgent thread_status=None, process_status=Some(Run)
517:trustd thread_status=None, process_status=Some(Run)
1577:fsnotifier thread_status=None, process_status=Some(Run)
52643:mdworker thread_status=None, process_status=Some(Run)
46463:python thread_status=None, process_status=Some(Run)
679:callservicesd thread_status=None, process_status=Some(Run)
8136:com.apple.audio.ComponentHelper thread_status=None, process_status=Some(Run)
516:lsd thread_status=None, process_status=Some(Run)
9785:MTLCompilerService thread_status=None, process_status=Some(Run)
1528:MTLCompilerService thread_status=None, process_status=Some(Run)
45511:Slack Helper thread_status=Some(Waiting), process_status=Some(Run)
951:loginitemregisterd thread_status=None, process_status=Some(Run)
827:com.apple.WebKit.WebContent thread_status=None, process_status=Some(Run)
29680:bash thread_status=None, process_status=Some(Run)
52003:iTerm2 thread_status=None, process_status=Some(Run)
50716:ssh thread_status=None, process_status=Some(Run)
1151:com.apple.accessibility.mediaaccessibilityd thread_status=None, process_status=Some(Run)
9784:MTLCompilerService thread_status=None, process_status=Some(Run)
1154:com.apple.audio.SandboxHelper thread_status=None, process_status=Some(Run)
801:storelegacy thread_status=None, process_status=Some(Run)
50587:XprotectService thread_status=None, process_status=Some(Run)
1150:com.apple.Safari.SafeBrowsing.Service thread_status=None, process_status=Some(Run)
52668:com.apple.iCloudHelper thread_status=None, process_status=Some(Run)
8376:com.docker.osxfs thread_status=None, process_status=Some(Run)
677:bird thread_status=None, process_status=Some(Run)
52664:quicklookd thread_status=None, process_status=Some(Run)
51085:iTerm2 thread_status=None, process_status=Some(Run)
1580:idea thread_status=Some(Waiting), process_status=Some(Run)
817:MTLCompilerService thread_status=None, process_status=Some(Run)
1123:com.apple.CommerceKit.TransactionService thread_status=None, process_status=Some(Run)
52603:vim thread_status=None, process_status=Some(Stop)
52389:tcom thread_status=None, process_status=Some(Run)
854:FolderActionsDispatcher thread_status=Some(Waiting), process_status=Some(Run)
798:ctkahp thread_status=None, process_status=Some(Run)
862:NotificationCenter thread_status=Some(Waiting), process_status=Some(Run)
46456:python thread_status=None, process_status=Some(Run)
45691:AirPort Base Station Agent thread_status=Some(Waiting), process_status=Some(Run)
802:soagent thread_status=None, process_status=Some(Run)
Seeing a few with status Some(Waiting), but doesn't seem that so many should have a status of None (unless I'm misunderstanding what sysinfo is returning here, which is entirely possible :) ).
Happy to help doing some more testing next week.
from sysinfo.
GuillaumeGomez
commented on May 31, 2024
None means I couldn't get the information (generally because the application needs more rights). I appreciate this differentiation with Unknown so that people can make the difference. However, might be worth adding a comment explaining this behaviour.
(And yes, I appreciate your tests a lot!)
from sysinfo.
davechallis
commented on May 31, 2024
@GuillaumeGomez I had a chance to do a bit more testing today. I'm not sure it's a rights issue after some experimenting (but could well be wrong - I'm not that familiar with Rust or OS X's syscalls!).
I can e.g. start a new process (owned by me) and set it to sleep immediately (e.g. python -c 'import time; time.sleep(99999)') which has some pid (say 77480).
Output from sysinfo on this process is:
77480:python thread_status=None, process_status=Some(Run)
However, output from ps aux shows it as sleeping:
dsc 77480 0.0 0.0 2417912 6892 s016 S 10:24am 0:00.06 python
Additionally, I seem to be able to get info on that process when making the syscalls directly from C, e.g.:
#include <stdio.h>
#include <stdlib.h>
#include <sys/proc_info.h>
int main(int argc, char **argv) {
struct proc_taskallinfo info;
int ret = proc_pidinfo(atoi(argv[1]), PROC_PIDTASKALLINFO, 0, &info, sizeof(struct proc_taskallinfo));
printf("status=%d, ret_val=%d\n", info.pbsd.pbi_status, ret);
return 0;
}
Outputs the following when run on the pid from above:
status=2, ret_val=232
So it looks like all the info on that pid was able to be read. Conversely, running the above against a process owned by root outputs:
status=0, ret_val=0
as I'd expect.
Not sure if this helps, but let me know if there's anything else I can do :)
from sysinfo.
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from sysinfo.