volume showrescallstats
Function
The volume showrescallstats command is used to view statistics on invoking asynchronous function interfaces.
Format
volume showrescallstats [ on | off ]
Parameters
Parameter |
Description |
Value |
|---|---|---|
on |
The latency is printed. |
- |
off |
The latency is not printed. |
- |
Views
Diagnostic view
Usage Guidelines
By default, latency print is disabled.
Example
View statistics on invoking asynchronous function interfaces.
admin:/diagnose>volume showrescallstats
flow Start back good back bad not back
---- ----- --------- -------- --------
Volume resource free flow:
alloc txobj 0 0 0 0
fail abort txobj 0 0 0 0
alloc node 0 0 0 0
free rsv node 0 0 0 0
search btree 0 0 0 0
insert btree 0 0 0 0
modify btree 0 0 0 0
delete btree 0 0 0 0
write meta copy 0 0 0 0
write log mem 0 0 0 0
Volume resource free extent flow:
traverse btree 0 0 0 0
stop extent bgr 0 0 0 0
alloc txobj 0 0 0 0
fail abort txobj 0 0 0 0
alloc node 0 0 0 0
free rsv node 0 0 0 0
delete btree 0 0 0 0
free extent 0 0 0 0
write meta copy 0 0 0 0
write log mem 0 0 0 0
Volume resource alloc flow:
alloc txobj 1 1 0 0
fail abort txobj 0 0 0 0
prepare section 1 1 0 0
alloc extent 1 1 0 0
alloc node 0 0 0 0
free btree node 0 0 0 0
delete btree 0 0 0 0
write meta copy 1 1 0 0
write log mem 1 1 0 0
alloc zero page 0 0 0 0
formatting grain 0 0 0 0
Volume resource called flow by others:
alloc grain wait 0 0 0 0
free grain wait 0 0 0 0
free prepare sec 0 0 0 0
start service 2 2 0 0
stop service 0 0 0 0
Volume resource stop flow :
load partition 0 0 0 0
load partInner 0 0 0 0
load nodemgr 0 0 0 0
stop bgrSrv 0 0 0 0
stop resBgr 0 0 0 0
stop nodeBgr 0 0 0 0
stop cowBgrTask 0 0 0 0
stop snapBgrTask 0 0 0 0
stop reclaim 0 0 0 0
stop recycle 0 0 0 0
stop pre alloc 0 0 0 0
res timer req 2 2 0 0
alloc grain bg 1 1 0 0
free grain bg 0 0 0 0
commit to disk 2 2 0 0
alloc pages 0 0 0 0
part alloc tx 0 0 0 0
part meta copy 0 0 0 0
part commit mem 0 0 0 0
meta req 0 0 0 0
System Response
The following table describes the parameter meanings.
Parameter |
Meaning |
|---|---|
Volume res free flow |
Statistics on resource release. |
alloc txobj |
Event object allocated by the release process. |
fail abort txobj |
Event object that fails to be released. |
alloc node |
Allocation node. |
free rsv node |
Releasing remaining nodes. |
search btree |
Searching for resource release tree nodes. |
insert btree |
Inserting resource release tree nodes. |
modify btree |
Modifying resource release tree nodes. |
delete btree |
Deleting resource release tree nodes. |
write meta copy |
Writing metadata copies. |
write log mem |
Writing event logs and saving them to memory. |
Volume resource free extent flow |
Background statistics on Layer 2 resource release. |
traverse btree |
Traversing resource release trees. |
stop extent bgr |
Stopping the extent background. |
free extent |
Releasing extents. |
Volume resource alloc flow |
Statistics on resource allocation. |
prepare section |
Preparing memory. |
alloc extent |
Allocating extents. |
free btree node |
Releasing btree nodes. |
alloc zero page |
Applying for zero pages. |
formatting grain |
Formatting grains. |
Volume resource called flow by others |
Statistics on resources invoked by other modules. |
alloc grain wait |
Count of grain allocation waiting tasks. |
free grain wait |
Count of grain release waiting tasks. |
free prepare sec |
Count of mesection allocation returning tasks. |
start service |
Starting the background service for resource management. |
stop service |
Stopping the background service for resource management. |
load partition |
Partition loading task (the NodeMgr service is running, too). |
load partInner |
Partition loading procedure. |
load nodemgr |
Starting the NodeMgr service. |
stop bgrSrv |
Stopping the background service. |
stop resBgr |
Stopping the background service for resource management. |
stop nodeBgr |
Stopping the NodeMgr background service. |
stop cowBgrTask |
Stopping the COW background task. |
stop snapBgrTask |
Stopping the snapshot background task. |
stop reclaim |
Stopping mapping tree resource reclamation. |
stop recycle |
Stopping allocated queue resource reclamation. |
alloc grain bg |
Allocating grains background. |
free grain bg |
Releasing grains background. |
commit to disk |
Statistics on metadata committed to disks. |
alloc pages |
Count of page applications. |
part alloc tx |
Count of transaction applications in a partition. |
part meta copy |
Count of transaction write meta copies in a partition. |
part commit mem |
Count of memory submissions in a partition. |
meta req |
Count of metadata I/Os. |
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