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diff --git a/src/pmdas/gfs2/help b/src/pmdas/gfs2/help new file mode 100644 index 0000000..350bd2b --- /dev/null +++ b/src/pmdas/gfs2/help @@ -0,0 +1,566 @@ +# +# Copyright (c) 2013 - 2014 Red Hat. +# +# This program is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# GFS2 PMDA help file in the ASCII format +# +# lines beginning with a # are ignored +# lines beginning @ introduce a new entry of the form +# @ metric_name oneline-text +# help test goes +# here over multiple lines +# ... +# +# the metric_name is decoded against the default PMNS -- as a special case, +# a name of the form NNN.MM (for numeric NNN and MM) is interpreted as an +# instance domain identification, and the text describes the instance domain +# +# blank lines before the @ line are ignored +# +@ GFS2.0 Instance domain for mounted GFS2 filesystems + +@ gfs2.glocks.total Count of total observed incore GFS2 global locks +Count of total incore GFS2 glock data structures based on parsing the contents +of the /sys/kernel/debug/gfs2/<bdev>/glocks files. + +@ gfs2.glocks.shared GFS2 global locks in shared state +Count of incore GFS2 glock data structures in shared state, based on parsing +/sys/kernel/debug/gfs2/<bdev>/glocks entries with state field (s:) value "SH". + +@ gfs2.glocks.unlocked GFS2 global locks in unlocked state +Count of incore GFS2 glock data structures in unlocked state, based on parsing +/sys/kernel/debug/gfs2/<bdev>/glocks entries with state field (s:) value "UN". + +@ gfs2.glocks.deferred GFS2 global locks in deferred state +Count of incore GFS2 glock data structures in deferred state, based on parsing +/sys/kernel/debug/gfs2/<bdev>/glocks entries with state field (s:) value "DF". + +@ gfs2.glocks.exclusive GFS2 global locks in exclusive state +Count of incore GFS2 glock data structures in exclusive state, based on parsing +/sys/kernel/debug/gfs2/<bdev>/glocks entries with state field (s:) value "EX". + +# help text for gfs2.sbstats.*.* is generated dynamically + +@ gfs2.glstats.total The total number of current glocks +Total count of the number of glocks which currently reside for filesystem on +the given node. Data is based from /sys/kernel/debug/gfs2/<bdev>/glstats +counting the total number of glock entries. + +@ gfs2.glstats.trans The number of transaction glocks +The count of the current number of transaction type glocks that currently exist +for the given filesystem. The data is recorded and counted from /sys/kernel/ +debug/gfs2/<bdev>glstats file entries for this type of glock. + +@ gfs2.glstats.inode The number of inode (metadata and data) glocks +The count of the current number of inode metadata and data type glocks that +currently exist for the given filesystem. The data is recorded and counted from +/sys/kernel/debug/gfs2/<bdev>glstats file entries for this type of glock. + +@ gfs2.glstats.rgrp The number of resource group metadata glocks +The count of the current number of resource group metadata type glocks that +currently exist for the given filesystem. The data is recorded and counted from +/sys/kernel/debug/gfs2/<bdev>glstats file entries for this type of glock. + +@ gfs2.glstats.meta The number of superblock glocks +The count of the current number of superblock type glocks that currently exist +for the given filesystem. The data is recorded and counted from /sys/kernel/ +debug/gfs2/<bdev>glstats file entries for this type of glock. + +@ gfs2.glstats.iopen The number of inode last closer detection glocks +The count of the current number of inode last closer detection type glocks that +currently exist for the given filesystem. The data is recorded and counted from +/sys/kernel/debug/gfs2/<bdev>glstats file entries for this type of glock. + +@ gfs2.glstats.flock The number of flock(2) syscall glocks +The count of the current number of flock(2) syscall type glocks that currently +exist for the given filesystem. The data is recorded and counted from /sys/ +kernel/debug/gfs2/<bdev>glstats file entries for this type of glock. + +@ gfs2.glstats.quota The number of quota operations glocks +The count of the current number of quota operations type glocks that currently +exist for the given filesystem. The data is recorded and counted from /sys/ +kernel/debug/gfs2/<bdev>glstats file entries for this type of glock. + +@ gfs2.glstats.journal The number of journal mutex glocks +The count of the current number of journal mutex type glocks that currently +exist for the given filesystem. The data is recorded and counted from /sys/ +kernel/debug/gfs2/<bdev>glstats file entries for this type of glock. + +@ gfs2.tracepoints.glock_state_change.total Total number of glock state +changes. The total number of counted glock state changes. + +@ gfs2.tracepoints.glock_state_change.null_lock Number of null_lock state +changes. The total number of glock state changes to the null_lock state. + +@ gfs2.tracepoints.glock_state_change.concurrent_read Number of +concurrent_read state changes. The total number of glock state changes +to current_read state. + +@ gfs2.tracepoints.glock_state_change.concurrent_write Number of +concurrent_write state changes. The total number of glock state changes +to current_write state. + +@ gfs2.tracepoints.glock_state_change.protected_read Number of +protected_read state changes. The total number of glock state changes to +protected_read state. + +@ gfs2.tracepoints.glock_state_change.protected_write Number of +protected_write state changes. The total number of glock state changes to +protected_write state. + +@ gfs2.tracepoints.glock_state_change.exclusive Number of exclusive state +changes. The total number of glock state changes to exclusive state. + +@ gfs2.tracepoints.glock_state_change.glocks.changed_target Number of +changed locks. The number of state changes that achieved their expected +state change. + +@ gfs2.tracepoints.glock_state_change.glocks.missed_target Number of +missed locks. The number of state changes that did not achieve their +expected state change. + +@ gfs2.tracepoints.glock_put.total Total number of glocks changed. +The total number of glocks that have been changed. + +@ gfs2.tracepoints.glock_put.null_lock Number of released locks. +The number of glocks put into the null_lock state. + +@ gfs2.tracepoints.glock_put.concurrent_read Number of glocks put +in concurrent_read. The number of glocks put into the concurrent_read +state. + +@ gfs2.tracepoints.glock_put.concurrent_write Number of glocks put +in concurrent_write. The number of glocks put into the concurrent_write +state. + +@ gfs2.tracepoints.glock_put.protected_read Number of glocks put +in protected_read. The number of glocks put into the protected_read +state. + +@ gfs2.tracepoints.glock_put.protected_write Number of glocks put +in protected_wirte. The number of glocks put into the protected_write +state. + +@ gfs2.tracepoints.glock_put.exclusive Number of glocks put +in exclusive. The number of glocks put into the exclusive +state. + +@ gfs2.tracepoints.demote_rq.total Total number of lock demote requests. +The total number of lock demotion requests. + +@ gfs2.tracepoints.demote_rq.null_lock Number of lock demote requests to +null_lock. The total number of lock demotion requests to the null_lock state. + +@ gfs2.tracepoints.demote_rq.concurrent_read Number of lock demote requests to +concurrent_read. The total number of lock demotion requests to the +concurrent_read state. + +@ gfs2.tracepoints.demote_rq.concurrent_write Number of lock demote requests to +concurrent_write. The total number of lock demotion requests to the +concurrent_write state. + +@ gfs2.tracepoints.demote_rq.protected_read Number of lock demote requests to +protected_read. The total number of lock demotion requests to the +protected_read state. + +@ gfs2.tracepoints.demote_rq.protected_write Number of lock demote requests to +protected_write. The total number of lock demotion requests to the +protected_write state. + +@ gfs2.tracepoints.demote_rq.exclusive Number of lock demote requests to +exclusive. The total number of lock demotion requests to the +exclusive state. + +@gfs2.tracepoints.demote_rq.requested.remote Number of demote requests (remote). +The total number of demote requests which were requested by a remote node of +the cluster. + +@gfs2.tracepoints.demote_rq.requested.local Number of demote requests (local). +The total number of demote requests which were requested by a local node of +the cluster + +@ gfs2.tracepoints.promote.total Total number of lock state. The total number +of lock state. + +@ gfs2.tracepoints.promote.first.null_lock Number of lock state to null_lock. +The total number of successful first time lock state to the null_lock state. + +@ gfs2.tracepoints.promote.first.concurrent_read Number of lock state to +concurrent_read. The total number of successful first time lock state to the +concurrent_read state. + +@ gfs2.tracepoints.promote.first.concurrent_write Number of lock state to +concurrent_write. The total number of successful first time lock state to the +concurrent_write state. + +@ gfs2.tracepoints.promote.first.protected_read Number of lock state to +protected_read. The total number of successful first time lock state to the +protected_read state. + +@ gfs2.tracepoints.promote.first.protected_write Number of lock state to +protected_write. The total number of successful first time lock state to the +protected_write state. + +@ gfs2.tracepoints.promote.first.exclusive Number of lock state to +exclusive. The total number of successful first time lock state to the +exclusive state. + +@ gfs2.tracepoints.promote.other.null_lock Number of lock state to null_lock. +The total number of successful other time lock state to the null_lock state. + +@ gfs2.tracepoints.promote.other.concurrent_read Number of lock state to +concurrent_read. The total number of successful other time lock state to the +concurrent_read state. + +@ gfs2.tracepoints.promote.other.concurrent_write Number of lock state to +concurrent_write. The total number of successful other time lock state to the +concurrent_write state. + +@ gfs2.tracepoints.promote.other.protected_read Number of lock state to +protected_read. The total number of successful other time lock state to the +protected_read state. + +@ gfs2.tracepoints.promote.other.protected_write Number of lock state to +protected_write. The total number of successful other time lock state to the +protected_write state. + +@ gfs2.tracepoints.promote.other.exclusive Number of lock state to +exclusive. The total number of successful other time lock state to the +exclusive state. + +@ gfs2.tracepoints.glock_queue.total Total numbe rof queued and dequeued +requests. The total number of both queued and dequeued requests. + +@ gfs2.tracepoints.glock_queue.queue.total Total number of queued lock requests. +The total number of queued lock requests. + +@ gfs2.tracepoints.glock_queue.queue.null_lock Number of null_lock requests. The +number of lock requests to the null_lock state. + +@ gfs2.tracepoints.glock_queue.queue.concurrent_read Number of concurrent_read +requests. The number of lock requests to the concurrent_read state. + +@ gfs2.tracepoints.glock_queue.queue.concurrent_write Number of concurrent_write +requests. The number of lock requests to the concurrent_write state. + +@ gfs2.tracepoints.glock_queue.queue.protected_read Number of protected_read +requests. The number of lock requests to the protected_read state. + +@ gfs2.tracepoints.glock_queue.queue.protected_write Number of protected_write +requests. The number of lock requests to the protected_write state. + +@ gfs2.tracepoints.glock_queue.queue.exclusive Number of exclusive +requests. The number of lock requests to the exclusive state. + +@ gfs2.tracepoints.glock_queue.dequeue.total Total number of dequeued lock requests. +The total number of dequeued lock requests. + +@ gfs2.tracepoints.glock_queue.dequeue.null_lock Number of null_lock requests. The +number of lock requests to the null_lock state. + +@ gfs2.tracepoints.glock_queue.dequeue.concurrent_read Number of concurrent_read +requests. The number of lock requests to the concurrent_read state. + +@ gfs2.tracepoints.glock_queue.dequeue.concurrent_write Number of concurrent_write +requests. The number of lock requests to the concurrent_write state. + +@ gfs2.tracepoints.glock_queue.dequeue.protected_read Number of protected_read +requests. The number of lock requests to the protected_read state. + +@ gfs2.tracepoints.glock_queue.dequeue.protected_write Number of protected_write +requests. The number of lock requests to the protected_write state. + +@ gfs2.tracepoints.glock_queue.dequeue.exclusive Number of exclusive +requests. The number of lock requests to the exclusive state. + +@ gfs2.tracepoints.glock_lock_time.total Total number of lock updates. +The total number of lock updates. + +@ gfs2.tracepoints.glock_lock_time.trans Number of transaction lock updates. +The number of updates for transaction based glocks. + +@ gfs2.tracepoints.glock_lock_time.inode Number of inode lock updates. +The number of updates for inode based glocks. + +@ gfs2.tracepoints.glock_lock_time.rgrp Number of resource group lock updates. +The number of updates for resource group based glocks. + +@ gfs2.tracepoints.glock_lock_time.meta Number of metadata lock updates. +The number of updates for metadata based glocks. + +@ gfs2.tracepoints.glock_lock_time.iopen Number of iopen lock updates. +The number of updates for iopen based glocks. + +@ gfs2.tracepoints.glock_lock_time.flock Number of flock lock updates. +The number of updates for flock based glocks. + +@ gfs2.tracepoints.glock_lock_time.quota Number of quota lock updates. +The number of updates for quota based glocks. + +@ gfs2.tracepoints.glock_lock_time.journal Number of journal lock updates. +The number of updates for journal based glocks. + +@ gfs2.tracepoints.pin.total Total number of Pin/Unpin requests. The total +number of requests to pin/unpin blocks on the log. + +@ gfs2.tracepoints.pin.pin_total Number of pin requests. The total number of +requests to pin blocks on the log. + +@ gfs2.tracepoints.pin.unpin_total Number of unpin requests. The total number +requests to unpin blocks on the log. + +@ gfs2.tracepoints.pin.longest_pinned Longest pinned. The longest pinned +inode or resource group log block + +@ gfs2.tracepoints.log_flush.total Total log flushes. The total number of +log flushes observed + +@ gfs2.tracepoints.log_block.total Total log blocks. The total number of +blocks placed upon the log. + +@ gfs2.tracepoints.ail_flush.total Total AIL flushes. The total number of +flushes back to the AIL. + +@ gfs2.tracepoints.block_alloc.total Total blocks allocated/deallocated. +The total number of allocated/freed blocks this call. + +@ gfs2.tracepoints.block_alloc.free Freed blocks. The number of blocks +freed. + +@ gfs2.tracepoints.block_alloc.used Used blocks. The number of blocks +used. + +@ gfs2.tracepoints.block_alloc.dinode Dinode blocks. The number of blocks +used for dinode. + +@ gfs2.tracepoints.block_alloc.unlinked Unlinked blocks. The number of +unlinked blocks. + +@ gfs2.tracepoints.bmap.total Total number of bmap allocations. The total +number of bmap allocations. + +@ gfs2.tracepoints.bmap.create Number of create bmap allocations. The number +of create bmap allocations. + +@ gfs2.tracepoints.bmap.nocreate Number of nocreate bmap allocations. The +number of nocreate bmap allocations. + +@ gfs2.tracepoints.rs.total Total multi-block allocations. The total number +of multi-block allocations. + +@ gfs2.tracepoints.rs.del Number of resource group delete. The total number of +resource group delete calls. + +@ gfs2.tracepoints.rs.tdel Number of resource group tree delete. The total number +of resource group tree delete calls. + +@ gfs2.tracepoints.rs.ins Number of resource group insert. The total number of +resource group insert calls. + +@ gfs2.tracepoints.rs.clm Number of resource group claims. The total number of +resource group claim calls. + +# help text for gfs2.worst_glock.*.* is generated dynamically + +@ gfs2.latency.grant.all Average time in ms for all states. The total average +latency time in ms for all lock states for grants. + +@ gfs2.latency.grant.null_lock Average time in ms to null lock state. The +total average latency time in ms to change to null lock state for grants. + +@ gfs2.latency.grant.concurrent_read Average time in ms to concurrent read +lock state. The total average latency time in ms to change to concurrent read +lock state for grants. + +@ gfs2.latency.grant.concurrent_write Average time in ms to concurrent write +lock state. The total average latency time in ms to change to concurrent write +lock state for grants. + +@ gfs2.latency.grant.protected_read Average time in ms to protected read +lock state. The total average latency time in ms to change to protected read +lock state for grants. + +@ gfs2.latency.grant.protected_write Average time in ms to protected write +lock state. The total average latency time in ms to change to protected write +lock state for grants. + +@ gfs2.latency.grant.exclusive Average time in ms to exclusive lock state. The +total average latency time in ms to change to exclusive lock state for grants. + +@ gfs2.latency.demote.all Average time in ms for all states. The total average +latency time in ms for all lock states for demotes. + +@ gfs2.latency.demote.null_lock Average time in ms to null lock state. The +total average latency time in ms to change to null lock state for demotes. + +@ gfs2.latency.demote.concurrent_read Average time in ms to concurrent read +lock state. The total average latency time in ms to change to concurrent read +lock state for demotes. + +@ gfs2.latency.demote.concurrent_write Average time in ms to concurrent write +lock state. The total average latency time in ms to change to concurrent write +lock state for demotes. + +@ gfs2.latency.demote.protected_read Average time in ms to protected read +lock state. The total average latency time in ms to change to protected read +lock state for demotes. + +@ gfs2.latency.demote.protected_write Average time in ms to protected write +lock state. The total average latency time in ms to change to protected write +lock state for demotes. + +@ gfs2.latency.demote.exclusive Average time in ms to exclusive lock state. +The total average latency time in ms to change to exclusive lock state for +demotes. + +@ gfs2.latency.queue.all Average time in ms for all states. The total average +latency time in ms for all lock states for queues. + +@ gfs2.latency.queue.null_lock Average time in ms to null lock state. The +total average latency time in ms to change to null lock state for queues. + +@ gfs2.latency.queue.concurrent_read Average time in ms to concurrent read +lock state. The total average latency time in ms to change to concurrent read +lock state for queues. + +@ gfs2.latency.queue.concurrent_write Average time in ms to concurrent write +lock state. The total average latency time in ms to change to concurrent write +lock state for queues. + +@ gfs2.latency.queue.protected_read Average time in ms to protected read +lock state. The total average latency time in ms to change to protected read +lock state for queues. + +@ gfs2.latency.queue.protected_write Average time in ms to protected write +lock state. The total average latency time in ms to change to protected write +lock state for queues. + +@ gfs2.latency.queue.exclusive Average time in ms to exclusive lock state. +The total average latency time in ms to change to exclusive lock state for +queues. + +@ gfs2.control.tracepoints.all Indication whether glock statistics are enabled +The gfs2 tracepoint statistics can be manually controlled using pmstore +gfs2.control.tracepoints.all 0 [off] or 1 [on]. Setting the value of the metric +controls the behavior of the PMDA to whether it tries to collect from tracepoint +metrics or not. + +@ gfs2.control.tracepoints.glock_state_change Indication whether +glock_state_change glock stats are enabled. The gfs2 tracepoint statistics +can be manually controlled using pmstore +gfs2.control.tracepoints.glock_state_change 0 [off] or 1 [on]. Setting the +value of the metric controls the behavior of the PMDA to whether it tries to +collect from tracepoint metrics or not. + +@ gfs2.control.tracepoints.glock_put Indication whether glock_put glock stats +are enabled. The gfs2 tracepoint statistics can be manually controlled using +pmstore gfs2.control.tracepoints.glock_put 0 [off] or 1 [on]. Setting the value +of the metric controls the behavior of the PMDA to whether it tries to collect +from tracepoint metrics or not. + +@ gfs2.control.tracepoints.demote_rq Indication whether glock_demote_rq glock +stats are enabled. The gfs2 tracepoint statistics can be manually controlled +using pmstore gfs2.control.tracepoints.glock_demote_rq 0 [off] or 1 [on]. +Setting the value of the metric controls the behavior of the PMDA to whether +it tries to collect from tracepoint metrics or not. + +@ gfs2.control.tracepoints.promote Indication whether glock_promote glock stats +are enabled. The gfs2 tracepoint statistics can be manually controlled using +pmstore gfs2.control.tracepoints.glock_promte 0 [off] or 1 [on]. Setting the +value of the metric controls the behavior of the PMDA to whether it tries to +collect from tracepoint metrics or not. + +@ gfs2.control.tracepoints.glock_queue Indication whether glock_queue glock +stats are enabled. The gfs2 tracepoint statistics can be manually controlled +using pmstore gfs2.control.tracepoints.glock_queue 0 [off] or 1 [on]. Setting +the value of the metric controls the behavior of the PMDA to whether it tries +to collect from tracepoint metrics or not. + +@ gfs2.control.tracepoints.glock_lock_time Indication whether glock_lock_time +glock stats are enabled. The gfs2 tracepoint statistics can be manually +controlled using pmstore gfs2.control.tracepoints.glock_lock_time 0 [off] or 1 +[on]. Setting the value of the metric controls the behavior of the PMDA to +whether it tries to collect from tracepoint metrics or not. + +@ gfs2.control.tracepoints.pin Indication whether pin glock stats are enabled. +The gfs2 tracepoint statistics can be manually controlled using pmstore +gfs2.control.tracepoints.pin 0 [off] or 1 [on]. Setting the value of the +metric controls the behavior of the PMDA to whether it tries to collect from +tracepoint metrics or not. + +@ gfs2.control.tracepoints.log_flush Indication whether log_flush glock stats +are enabled. The gfs2 tracepoint statistics can be manually controlled using +pmstore gfs2.control.tracepoints.log_flush 0 [off] or 1 [on]. Setting the +value of the metric controls the behavior of the PMDA to whether it tries to +collect from tracepoint metrics or not. + +@ gfs2.control.tracepoints.log_blocks Indication whether log_blocks glock stats +are enabled. The gfs2 tracepoint statistics can be manually controlled using +pmstore gfs2.control.tracepoints.log_blocks 0 [off] or 1 [on]. Setting the +value of the metric controls the behavior of the PMDA to whether it tries to +collect from tracepoint metrics or not. + +@ gfs2.control.tracepoints.ail_flush Indication whether ail_flush glock stats +are enabled. The gfs2 tracepoint statistics can be manually controlled using +pmstore gfs2.control.tracepoints.ail_flush 0 [off] or 1 [on]. Setting the value +of the metric controls the behavior of the PMDA to whether it tries to collect +from tracepoint metrics or not. + +@ gfs2.control.tracepoints.block_alloc Indication whether block_alloc glock +stats are enabled. The gfs2 tracepoint statistics can be manually controlled +using pmstore gfs2.control.tracepoints.block_alloc 0 [off] or 1 [on]. Setting +the value of the metric controls the behavior of the PMDA to whether it tries +to collect from tracepoint metrics or not. + +@ gfs2.control.tracepoints.bmap Indication whether bmap glock stats are enabled. +The gfs2 tracepoint statistics can be manually controlled using pmstore +gfs2.control.tracepoints.bmap 0 [off] or 1 [on]. Setting the value of the +metric controls the behavior of the PMDA to whether it tries to collect from +tracepoint metrics or not. + +@ gfs2.control.tracepoints.rs Indication whether rs glock stats are enabled. +The gfs2 tracepoint statistics can be manually controlled using pmstore +gfs2.control.tracepoints.rs 0 [off] or 1 [on]. Setting the value of the metric +controls the behavior of the PMDA to whether it tries to collect from +tracepoint metrics or not. + +@ gfs2.control.buffer_size_kb Sets the buffer size for trace_pipe (per cpu). +The size of the trace_pipe buffer can be controlled with this metrics, it +allows the increase of the trace_pipe buffer to 128MB (131072KB) per cpu +on the system. It is useful to increase the size of the buffer when there +is expected to be heavy load on the file system in order to reduce the +risk of overwritten entries in the trace_pipe before they are read (default +value is 32MB (32768KB). + +@ gfs2.control.global_tracing Indication whether global tracing is enabled. +The global tracing can be controlled using pmstore gfs2.control.global_tracing +0 [off] or 1 [on]. This is required to be on for most of the gfs2 metrics to +function. + +@ gfs2.control.worst_glock Indication whether gfs2.glock_lock_time statistics +are enabled. The gfs2.glock_lock_time statistics can be manually controlled +using pmstore gfs2.control.glock_lock_time 0 [off] or 1 [on]. Setting the value +of the metric controls the behavior of the PMDA to whether it tries to collect +the lock_time metrics or not. The machine must have the gfs2 trace-points +available for the glock_lock_time based metrics to function. + +@ gfs2.control.latency Indication whether gfs2.latency statistics are enabled. +The gfs2.latency statistics can be manually controlled using pmstore +gfs2.control.latency 0 [off] or 1 [on]. Setting the value of the metric +controls the behaviour of the PMDA to whether it tries to collect the latency +metrics or not. The machice must have the gfs2 trace-points available for the +latency metrics to function. + +@ gfs2.control.glock_threshold Threshold for maximum number of glocks accepted +per fetch. The number of glocks that will be processed and accepted over all +ftrace read trace statistics. This number can be manually altered using pmstore +in order to tailor the number of glocks processed. This value must be positive. |