perf: decrease scheduler checks from every 1 second to 10 seconds (zd…

…harma-continuum#409)

The scheduler is called in 10 seconds intervals when no tasks are present to lower CPU usage.

Co-authored-by: vladislav doster <10052309+vladdoster@users.noreply.github.com>

zinit.zsh

@@ -2390,10 +2390,14 @@ $match[7]}:-${ZINIT[__last-formatter-code]}}}:+}}}//←→}
 #      (delay), i.e. "burst" allows to run package installations from
 #      script, not from prompt.
 @zinit-scheduler() {
-    integer ___ret="${${ZINIT[lro-data]%:*}##*:}"
+    integer ___ret="${${ZINIT[lro-data]%:*}##*:}" ___secs=$(($#ZINIT_TASKS>1?1:10))
+            ___secs=$(($#ZINIT_TASKS>1?1:10))
     # lro stands for lastarg-retval-option.
-    [[ $1 = following ]] && sched +1 'ZINIT[lro-data]="$_:$?:${options[printexitvalue]}"; @zinit-scheduler following "${ZINIT[lro-data]%:*:*}"'
-    [[ -n $1 && $1 != (following*|burst) ]] && { local THEFD="$1"; zle -F "$THEFD"; exec {THEFD}<&-; }
+    [[ $1 = following ]] && \
+        sched +$___secs 'ZINIT[lro-data]="$_:$?:${options[printexitvalue]}"; @zinit-scheduler following "${ZINIT[lro-data]%:*:*}"'
+    (( ___secs == 10 )) && return 0
+    [[ -n $1 && $1 != (following*|burst) ]] && \
+        { local THEFD="$1"; zle -F "$THEFD"; exec {THEFD}<&-; }
     [[ $1 = burst ]] && local -h EPOCHSECONDS=$(( EPOCHSECONDS+10000 ))
     ZINIT[START_TIME]="${ZINIT[START_TIME]:-$EPOCHREALTIME}"