@@ -21,7 +21,7 @@ get_cpuset() {
2121 cpusetroot=$1
2222 cpusetfile=$2
2323 ncpu=0
24- [ -f " $cpusetroot /$cpusetfile " ] || return
24+ [ -f " $cpusetroot /$cpusetfile " ] || return 1
2525 for token in $( tr ' ,' ' ' < " $cpusetroot /$cpusetfile " ) ; do
2626 case " $token " in
2727 * -* )
@@ -39,27 +39,27 @@ get_cpuset() {
3939get_quota () {
4040 cpuroot=$1
4141 ncpu=0
42- [ -f " $cpuroot /cpu.cfs_quota_us" ] || return
43- [ -f " $cpuroot /cpu.cfs_period_us" ] || return
42+ [ -f " $cpuroot /cpu.cfs_quota_us" ] || return 1
43+ [ -f " $cpuroot /cpu.cfs_period_us" ] || return 1
4444 cfs_quota=$( cat " $cpuroot /cpu.cfs_quota_us" )
4545 cfs_period=$( cat " $cpuroot /cpu.cfs_period_us" )
46- [ " $cfs_quota " = " -1" ] && return
47- [ " $cfs_period " = " 0" ] && return
46+ [ " $cfs_quota " = " -1" ] && return 1
47+ [ " $cfs_period " = " 0" ] && return 1
4848 ncpu=$( ceildiv " $cfs_quota " " $cfs_period " )
49- [ " $ncpu " -gt 0 ] || return
49+ [ " $ncpu " -gt 0 ] || return 1
5050 echo " $ncpu "
5151}
5252
5353get_quota_v2 () {
5454 cpuroot=$1
5555 ncpu=0
56- [ -f " $cpuroot /cpu.max" ] || return
56+ [ -f " $cpuroot /cpu.max" ] || return 1
5757 cfs_quota=$( cut -d' ' -f 1 < " $cpuroot /cpu.max" )
5858 cfs_period=$( cut -d' ' -f 2 < " $cpuroot /cpu.max" )
59- [ " $cfs_quota " = " max" ] && return
60- [ " $cfs_period " = " 0" ] && return
59+ [ " $cfs_quota " = " max" ] && return 1
60+ [ " $cfs_period " = " 0" ] && return 1
6161 ncpu=$( ceildiv " $cfs_quota " " $cfs_period " )
62- [ " $ncpu " -gt 0 ] || return
62+ [ " $ncpu " -gt 0 ] || return 1
6363 echo " $ncpu "
6464}
6565
@@ -69,15 +69,16 @@ get_cgroup_v1_path() {
6969 foundroot=
7070 mountpoint=
7171
72- [ -r " /proc/self/mountinfo" ] || return
73- [ -r " /proc/self/cgroup" ] || return
72+ [ -r " /proc/self/mountinfo" ] || return 1
73+ [ -r " /proc/self/cgroup" ] || return 1
7474
7575 while IFS= read -r line; do
7676 case " $needle " in
7777 " cpuset" )
7878 case " $line " in
7979 * cpuset* )
8080 found=$( echo " $line " | cut -d ' ' -f 4,5 )
81+ break
8182 ;;
8283 esac
8384 ;;
@@ -87,6 +88,7 @@ get_cgroup_v1_path() {
8788 ;;
8889 * cpu,cpuacct* |* cpuacct,cpu|* cpuacct* |* cpu* )
8990 found=$( echo " $line " | cut -d ' ' -f 4,5 )
91+ break
9092 ;;
9193 esac
9294 esac
@@ -101,13 +103,15 @@ __EOF__
101103 case " $controller " in
102104 cpuset)
103105 mountpoint=$( echo " $line " | cut -d: -f 3 )
106+ break
104107 ;;
105108 esac
106109 ;;
107110 " cpu" )
108111 case " $controller " in
109112 cpu,cpuacct|cpuacct,cpu|cpuacct|cpu)
110113 mountpoint=$( echo " $line " | cut -d: -f 3 )
114+ break
111115 ;;
112116 esac
113117 ;;
@@ -132,8 +136,8 @@ get_cgroup_v2_path() {
132136 foundroot=
133137 mountpoint=
134138
135- [ -r " /proc/self/mountinfo" ] || return
136- [ -r " /proc/self/cgroup" ] || return
139+ [ -r " /proc/self/mountinfo" ] || return 1
140+ [ -r " /proc/self/cgroup" ] || return 1
137141
138142 while IFS= read -r line; do
139143 found=$( echo " $line " | cut -d ' ' -f 4,5 )
@@ -149,7 +153,7 @@ __EOF__
149153
150154 case " ${found%% * } " in
151155 " " )
152- return
156+ return 1
153157 ;;
154158 " /" )
155159 foundroot=" ${found##* } $mountpoint "
@@ -167,20 +171,10 @@ ncpu_quota=
167171ncpu_cpuset_v2=
168172ncpu_quota_v2=
169173
170- cpuset=$( get_cgroup_v1_path " cpuset" )
171- [ " $cpuset " ] && ncpu_cpuset=$( get_cpuset " $cpuset " " cpuset.effective_cpus" )
172- [ " $ncpu_cpuset " ] || ncpu_cpuset=$ncpu_online
173-
174- cpu=$( get_cgroup_v1_path " cpu" )
175- [ " $cpu " ] && ncpu_quota=$( get_quota " $cpu " )
176- [ " $ncpu_quota " ] || ncpu_quota=$ncpu_online
177-
178- cgroup_v2=$( get_cgroup_v2_path )
179- [ " $cgroup_v2 " ] && ncpu_cpuset_v2=$( get_cpuset " $cgroup_v2 " " cpuset.cpus.effective" )
180- [ " $ncpu_cpuset_v2 " ] || ncpu_cpuset_v2=$ncpu_online
181-
182- [ " $cgroup_v2 " ] && ncpu_quota_v2=$( get_quota_v2 " $cgroup_v2 " )
183- [ " $ncpu_quota_v2 " ] || ncpu_quota_v2=$ncpu_online
174+ cpuset=$( get_cgroup_v1_path " cpuset" ) && ncpu_cpuset=$( get_cpuset " $cpuset " " cpuset.effective_cpus" ) || ncpu_cpuset=$ncpu_online
175+ cpu=$( get_cgroup_v1_path " cpu" ) && ncpu_quota=$( get_quota " $cpu " ) || ncpu_quota=$ncpu_online
176+ cgroup_v2=$( get_cgroup_v2_path ) && ncpu_cpuset_v2=$( get_cpuset " $cgroup_v2 " " cpuset.cpus.effective" ) || ncpu_cpuset_v2=$ncpu_online
177+ cgroup_v2=$( get_cgroup_v2_path ) && ncpu_quota_v2=$( get_quota_v2 " $cgroup_v2 " ) || ncpu_quota_v2=$ncpu_online
184178
185179ncpu=$( printf " %s\n%s\n%s\n%s\n%s\n" \
186180 " $ncpu_online " \
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