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hugepages: fixes from Mrten in issue #308
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@ -31,32 +31,35 @@
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# --
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#
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#%# family=auto
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#%# capabilities=autoconf
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BEGIN {
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if (ARGC > 1 && ARGV[1] == "config") {
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print "graph_args --base 1024 -l 0"
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print "graph_vlabel Bytes"
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print "graph_args --base 1000 -l 0"
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print "graph_title HugePages usage"
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print "graph_category system"
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print "graph_info This graph shows the usage of the kernel Huge Pages."
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print "graph_order Total Rsvd Free Surp Anon"
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print "Total.label used"
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print "graph_order Total Rsvd Free Surp"
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print "Total.label total"
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print "Total.draw AREA"
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print "Total.info In-use Huge Page Memory"
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print "Total.info Size of pool of hugepages ('nr_hugepages')"
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print "Rsvd.label reserved"
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print "Rsvd.draw AREA"
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print "Rsvd.info Huge Pages that have been reserved but are not used."
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print "Free.label free"
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print "Free.draw STACK"
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print "Free.info Unused Huge Page Memory."
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print "Rsvd.label reserved"
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print "Rsvd.draw STACK"
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print "Rsvd.info Huge Pages that have been reserved but are not used."
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print "Free.info Unallocated Huge Page Memory."
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print "Surp.label surplus"
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print "Surp.draw STACK"
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print "Surp.info Huge Pages that are in excess of the reserved amount, usually only greater than zero when the amount of Huge Pages is reduced while they are in use."
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print "Anon.label anonymous"
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print "Anon.draw STACK"
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print "Anon.info Huge Pages that are in use by the transparent Huge Page allocator khugepaged."
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print "Surp.info Number of hugepages > nr_hugepages, as decided by nr_overcommit_hugepages or when the amount of Huge Pages is reduced while they are in use."
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CONF=1
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}
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if (ARGC > 1 && ARGV[1] == "autoconf") {
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CONF=2
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}
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ARGV[1] = "/proc/meminfo"
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ARGC = 2
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FS = "[: ]+"
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@ -66,15 +69,21 @@ BEGIN {
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CONF == 1 {
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if (/Hugepagesize/) {
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print "Total.cdef Total,Free,-,1024,",$2,",*,*"
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print "Free.cdef Free,1024,",$2,",*,*,Rsvd,-"
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print "Rsvd.cdef Rsvd,1024,",$2,",*,*"
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print "Surp.cdef Surp,1024,",$2,",*,*"
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print "Anon.cdef Anon,1024,*"
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print "graph_vlabel Pages (",$2,"KB/page)"
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}
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}
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(CONF != 1) {
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CONF == 2 {
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if (/HugePages_Total/) {
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if ($2 > 0) {
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print "yes"
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} else {
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print "no"
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}
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}
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}
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(CONF != 1 && CONF != 2) {
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if (match($0,"(anon)?hugepages(_([^:]+))?[^i]",mats))
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print mats[1],mats[3],".value ",$2
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}
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