Is it expected running sudo pcm 1 -nc -csv -f on a 224 CPU host results in pcm using 1,125 threads? #959
Description
I'm running Intel pcm on a host with 224 CPUs and was surprised to see that Intel pcm is using 1,125 threads. Is that expected? Seems like a lot, or?
$ ps -eLo psr,pid,tid,comm | perl -lane 'if(m~( pcm$|PSR)~){ print; }' | head
PSR PID TID COMMAND
0 3173348 3173348 pcm
0 3173348 3173349 pcm
223 3173348 3173350 pcm
222 3173348 3173351 pcm
223 3173348 3173352 pcm
222 3173348 3173353 pcm
38 3173348 3173354 pcm
0 3173348 3173355 pcm
4 3173348 3173356 pcm
$ ps -eLo psr,pid,tid,comm | perl -lane 'if(m~( pcm$|PSR)~){ print; }' | wc --lines
1126
$ ps auxwww | egrep "([U]SER|[p]cm )"
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 3173347 0.0 0.0 10248 3584 ? S 16:30 0:00 sudo /usr/sbin/pcm 1 -nc -csv -f
root 3173348 3.7 0.0 24458416 7248 ? Sl 16:30 0:36 /usr/sbin/pcm 1 -nc -csv -f
$ nproc
224
$ cat /etc/os-release | egrep -v URL
PRETTY_NAME="Debian GNU/Linux 12 (bookworm)"
NAME="Debian GNU/Linux"
VERSION_ID="12"
VERSION="12 (bookworm)"
VERSION_CODENAME=bookworm
ID=debian