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Message-ID: <20080219141150.GB26697@tull.net> Date: Wed, 20 Feb 2008 01:11:50 +1100 From: Nick Andrew <nick@...k-andrew.net> To: trivial@...nel.org Cc: linux-kernel@...r.kernel.org Subject: Re: Improve init/Kconfig help descriptions [PATCH 2/9] On Wed, Feb 20, 2008 at 01:06:09AM +1100, Nick Andrew wrote: > Here is a series of 9 patches to init/Kconfig intended to improve the > usefulness and consistency of the help descriptions. The patches are > against linux-2.6.24.2. > [...] > Patch 2 > TASKSTATS > TASK_DELAY_ACCT > TASK_XACCT > TASK_IO_ACCOUNTING Changelog: Improve usefulness and consistency of kernel configuration help messages. Signed-off-by: Nick Andrew <nick@...k-andrew.net> --- a/init/Kconfig 2008-02-20 00:45:07.000000000 +1100 +++ b/init/Kconfig 2008-02-20 00:52:07.000000000 +1100 @@ -169,42 +169,52 @@ config TASKSTATS depends on NET default n help - Export selected statistics for tasks/processes through the - generic netlink interface. Unlike BSD process accounting, the - statistics are available during the lifetime of tasks/processes as - responses to commands. Like BSD accounting, they are sent to user - space on task exit. + Taskstats is a netlink-based interface for sending per-task + and per-process statistics from the kernel to userspace. - Say N if unsure. + Unlike BSD process accounting, the statistics are available + during the lifetime of tasks/processes as responses to + commands. Like BSD accounting, they are sent to user space on + task exit. + + Netlink is a type of network socket used to transfer data + between the kernel and user space. For more information on + Netlink see <http://qos.ittc.ku.edu/netlink/html/index.html> + + See <file:Documentation/accounting/taskstats.txt> for more + information on taskstats. + + If unsure, say N. config TASK_DELAY_ACCT bool "Enable per-task delay accounting (EXPERIMENTAL)" depends on TASKSTATS help - Collect information on time spent by a task waiting for system - resources like cpu, synchronous block I/O completion and swapping - in pages. Such statistics can help in setting a task's priorities - relative to other tasks for cpu, io, rss limits etc. + Also collect information on time spent by a task waiting for + system resources like CPU, synchronous block I/O completion and + swapping in pages. Such statistics can help in setting a task's + priorities relative to other tasks for CPU, I/O, RSS limits etc. - Say N if unsure. + If unsure, say N. config TASK_XACCT bool "Enable extended accounting over taskstats (EXPERIMENTAL)" depends on TASKSTATS help - Collect extended task accounting data and send the data - to userland for processing over the taskstats interface. + Also collect extended task accounting data and send + the data to userland for processing over the taskstats + interface. - Say N if unsure. + If unsure, say N. config TASK_IO_ACCOUNTING bool "Enable per-task storage I/O accounting (EXPERIMENTAL)" depends on TASK_XACCT help - Collect information on the number of bytes of storage I/O which this - task has caused. + Also collect information on the number of bytes of storage + I/O which this task has caused. - Say N if unsure. + If unsure, say N. config USER_NS bool "User Namespaces (EXPERIMENTAL)" -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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