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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 # See the License for the specific language governing permissions and
# limitations under the License. # limitations under the License.
# -- # --
#
#%# family=auto
#%# capabilities=autoconf
BEGIN { BEGIN {
if (ARGC > 1 && ARGV[1] == "config") { if (ARGC > 1 && ARGV[1] == "config") {
print "graph_args --base 1024 -l 0" print "graph_args --base 1000 -l 0"
print "graph_vlabel Bytes"
print "graph_title HugePages usage" print "graph_title HugePages usage"
print "graph_category system" print "graph_category system"
print "graph_info This graph shows the usage of the kernel Huge Pages." print "graph_info This graph shows the usage of the kernel Huge Pages."
print "graph_order Total Rsvd Free Surp Anon" print "graph_order Total Rsvd Free Surp"
print "Total.label used" print "Total.label total"
print "Total.draw AREA" 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.label free"
print "Free.draw STACK" print "Free.draw STACK"
print "Free.info Unused Huge Page Memory." print "Free.info Unallocated 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 "Surp.label surplus" print "Surp.label surplus"
print "Surp.draw STACK" 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 "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."
print "Anon.label anonymous"
print "Anon.draw STACK"
print "Anon.info Huge Pages that are in use by the transparent Huge Page allocator khugepaged."
CONF=1 CONF=1
} }
if (ARGC > 1 && ARGV[1] == "autoconf") {
CONF=2
}
ARGV[1] = "/proc/meminfo" ARGV[1] = "/proc/meminfo"
ARGC = 2 ARGC = 2
FS = "[: ]+" FS = "[: ]+"
@ -66,15 +69,21 @@ BEGIN {
CONF == 1 { CONF == 1 {
if (/Hugepagesize/) { if (/Hugepagesize/) {
print "Total.cdef Total,Free,-,1024,",$2,",*,*" print "graph_vlabel Pages (",$2,"KB/page)"
print "Free.cdef Free,1024,",$2,",*,*,Rsvd,-"
print "Rsvd.cdef Rsvd,1024,",$2,",*,*"
print "Surp.cdef Surp,1024,",$2,",*,*"
print "Anon.cdef Anon,1024,*"
} }
} }
(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)) if (match($0,"(anon)?hugepages(_([^:]+))?[^i]",mats))
print mats[1],mats[3],".value ",$2 print mats[1],mats[3],".value ",$2
} }