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| H A D | base.c | 5968cece Tue Jun 30 04:06:03 CDT 2015 Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> sched/stat: Expose /proc/pid/schedstat if CONFIG_SCHED_INFO=y
Expand /proc/pid/schedstat output:
- enable it on CONFIG_TASK_DELAY_ACCT=y && !CONFIG_SCHEDSTATS kernels.
- dump all zeroes on kernels that are booted with the 'nodelayacct'
option, which boot option disables delay accounting on
CONFIG_TASK_DELAY_ACCT=y kernels.
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: a.p.zijlstra@chello.nl
Cc: ricklind@us.ibm.com
Link: http://lkml.kernel.org/r/5ccbef17d4bc841084ea6e6421d4e4a23b7b806f.1435654789.git.naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
5968cece Tue Jun 30 04:06:03 CDT 2015 Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> sched/stat: Expose /proc/pid/schedstat if CONFIG_SCHED_INFO=y
Expand /proc/pid/schedstat output:
- enable it on CONFIG_TASK_DELAY_ACCT=y && !CONFIG_SCHEDSTATS kernels.
- dump all zeroes on kernels that are booted with the 'nodelayacct'
option, which boot option disables delay accounting on
CONFIG_TASK_DELAY_ACCT=y kernels.
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: a.p.zijlstra@chello.nl
Cc: ricklind@us.ibm.com
Link: http://lkml.kernel.org/r/5ccbef17d4bc841084ea6e6421d4e4a23b7b806f.1435654789.git.naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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