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Code Issues Releases Wiki Activity

hugepages: fixes from Mrten in issue #308

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This commit is contained in:
Kenyon Ralph 2013-06-02 14:12:44 -07:00
parent 9598bc7cb0
commit 4a7a0de134
1 changed files with 29 additions and 20 deletions
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49
plugins/system/hugepages
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@ -31,32 +31,35 @@
# See the License for the specific language governing permissions and
# limitations under the License.
# --
#
#%# family=auto
#%# capabilities=autoconf
BEGIN {
if (ARGC > 1 && ARGV[1] == "config") {
print "graph_args --base 1024 -l 0"
print "graph_vlabel Bytes"
print "graph_args --base 1000 -l 0"
print "graph_title HugePages usage"
print "graph_category system"
print "graph_info This graph shows the usage of the kernel Huge Pages."
print "graph_order Total Rsvd Free Surp Anon"
print "Total.label used"
print "graph_order Total Rsvd Free Surp"
print "Total.label total"
print "Total.draw AREA"
print "Total.info In-use Huge Page Memory"
print "Total.info Size of pool of hugepages ('nr_hugepages')"
print "Rsvd.label reserved"
print "Rsvd.draw AREA"
print "Rsvd.info Huge Pages that have been reserved but are not used."
print "Free.label free"
print "Free.draw STACK"
print "Free.info Unused Huge Page Memory."
print "Rsvd.label reserved"
print "Rsvd.draw STACK"
print "Rsvd.info Huge Pages that have been reserved but are not used."
print "Free.info Unallocated Huge Page Memory."
print "Surp.label surplus"
print "Surp.draw STACK"
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."
print "Anon.label anonymous"
print "Anon.draw STACK"
print "Anon.info Huge Pages that are in use by the transparent Huge Page allocator khugepaged."
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."
CONF=1
}
if (ARGC > 1 && ARGV[1] == "autoconf") {
CONF=2
}
ARGV[1] = "/proc/meminfo"
ARGC = 2
FS = "[: ]+"
@ -66,15 +69,21 @@ BEGIN {
CONF == 1 {
if (/Hugepagesize/) {
print "Total.cdef Total,Free,-,1024,",$2,",*,*"
print "Free.cdef Free,1024,",$2,",*,*,Rsvd,-"
print "Rsvd.cdef Rsvd,1024,",$2,",*,*"
print "Surp.cdef Surp,1024,",$2,",*,*"
print "Anon.cdef Anon,1024,*"
print "graph_vlabel Pages (",$2,"KB/page)"
}
}
(CONF != 1) {
CONF == 2 {
if (/HugePages_Total/) {
if ($2 > 0) {
print "yes"
} else {
print "no"
}
}
}
(CONF != 1 && CONF != 2) {
if (match($0,"(anon)?hugepages(_([^:]+))?[^i]",mats))
print mats[1],mats[3],".value ",$2
}