diff options
| author | Mark Wielaard <mjw@redhat.com> | 2009-03-17 16:58:35 +0100 |
|---|---|---|
| committer | Mark Wielaard <mjw@redhat.com> | 2009-03-17 16:58:35 +0100 |
| commit | bf33ee46c8fff4d181b7f28521f12175bd32ec77 (patch) | |
| tree | 5e0a9e1047af60389eee36da54182b52d3d53ee7 /tapset/ioscheduler.stp | |
| parent | 524c6f82b0a3c010d0fd6a67b1afcfbf55b789a6 (diff) | |
| parent | 30cb532a560ed152b86506b80490e99195970271 (diff) | |
| download | systemtap-steved-bf33ee46c8fff4d181b7f28521f12175bd32ec77.tar.gz systemtap-steved-bf33ee46c8fff4d181b7f28521f12175bd32ec77.tar.xz systemtap-steved-bf33ee46c8fff4d181b7f28521f12175bd32ec77.zip | |
Merge branch 'master' into pr6866
Resolved conflicts:
runtime/task_finder.c: name vs path.
Diffstat (limited to 'tapset/ioscheduler.stp')
| -rw-r--r-- | tapset/ioscheduler.stp | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/tapset/ioscheduler.stp b/tapset/ioscheduler.stp index d7a71aca..a79ae752 100644 --- a/tapset/ioscheduler.stp +++ b/tapset/ioscheduler.stp @@ -5,15 +5,17 @@ // redistribute it and/or modify it under the terms of the GNU General // Public License (GPL); either version 2, or (at your option) any // later version. - +// <tapsetdescription> +// This family of probe points is used to probe IO scheduler activities. +// </tapsetdescription> %{ #include <linux/blkdev.h> #include <linux/elevator.h> %} /** - * probe ioscheduler.elv_next_request - Retrieve request from request queue - * @elevator_name: The elevator name + * probe ioscheduler.elv_next_request - Fires when a request is retrieved from the request queue + * @elevator_name: The type of I/O elevator currently enabled */ probe ioscheduler.elv_next_request = kernel.function("elv_next_request") @@ -26,7 +28,7 @@ probe ioscheduler.elv_next_request } /** - * probe ioscheduler.elv_next_request.return - Return from retrieving a request + * probe ioscheduler.elv_next_request.return - Fires when a request retrieval issues a return signal * @req: Address of the request * @req_flags: Request flags * @disk_major: Disk major number of the request @@ -58,14 +60,14 @@ probe ioscheduler.elv_next_request.return } /** - * probe ioscheduler.elv_add_request - Add a request into request queue - * @elevator_name: The elevator name + * probe ioscheduler.elv_add_request - A request was added to the request queue + * @elevator_name: The type of I/O elevator currently enabled * @req: Address of the request * @req_flags: Request flags * @disk_major: Disk major number of the request * @disk_minor: Disk minor number of the request */ -/* when a request is added to the request queue */ +// when a request is added to the request queue probe ioscheduler.elv_add_request = kernel.function("__elv_add_request") { @@ -96,8 +98,8 @@ probe ioscheduler.elv_add_request } /** - * probe ioscheduler.elv_completed_request - Request is completed - * @elevator_name: The elevator name + * probe ioscheduler.elv_completed_request - Fires when a request is completed + * @elevator_name: The type of I/O elevator currently enabled * @req: Address of the request * @req_flags: Request flags * @disk_major: Disk major number of the request |