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diff -up iotop-0.6/iotop.8.gitdd4fcc71 iotop-0.6/iotop.8
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--- iotop-0.6/iotop.8.gitdd4fcc71 2013-05-27 00:44:18.000000000 +0200
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+++ iotop-0.6/iotop.8 2022-02-15 21:48:24.738610077 +0100
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@@ -10,7 +10,8 @@ iotop watches I/O usage information outp
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2.6.20 or later) and displays a table of current I/O usage by processes
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or threads on the system. At least the CONFIG_TASK_DELAY_ACCT,
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CONFIG_TASK_IO_ACCOUNTING, CONFIG_TASKSTATS and CONFIG_VM_EVENT_COUNTERS
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-options need to be enabled in your Linux kernel build configuration.
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+options need to be enabled in your Linux kernel build configuration and
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+since Linux kernel 5.14, the kernel.task_delayacct sysctl enabled.
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.PP
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iotop displays columns for the I/O bandwidth read and written by each
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process/thread during the sampling period. It also displays the percentage
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diff -up iotop-0.6/iotop/data.py.gitdd4fcc71 iotop-0.6/iotop/data.py
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--- iotop-0.6/iotop/data.py.gitdd4fcc71 2013-05-27 00:44:18.000000000 +0200
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+++ iotop-0.6/iotop/data.py 2022-02-15 21:48:24.738610077 +0100
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@@ -49,7 +49,7 @@ if not ioaccounting or not vm_event_coun
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if not ioaccounting:
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print(' - I/O accounting support ' \
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'(CONFIG_TASKSTATS, CONFIG_TASK_DELAY_ACCT, ' \
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- 'CONFIG_TASK_IO_ACCOUNTING)')
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+ 'CONFIG_TASK_IO_ACCOUNTING, kernel.task_delayacct sysctl)')
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if not vm_event_counters:
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print(' - VM event counters (CONFIG_VM_EVENT_COUNTERS)')
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sys.exit(1)
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diff -up iotop-0.6/iotop/ui.py.gitdd4fcc71 iotop-0.6/iotop/ui.py
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--- iotop-0.6/iotop/ui.py.gitdd4fcc71 2022-02-15 21:48:24.738610077 +0100
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+++ iotop-0.6/iotop/ui.py 2022-02-15 21:50:55.382602220 +0100
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@@ -467,7 +467,9 @@ class IOTopUI(object):
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if Stats.has_blkio_delay_total:
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status_msg = None
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else:
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- status_msg = ('CONFIG_TASK_DELAY_ACCT not enabled in kernel, '
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+ status_msg = ('CONFIG_TASK_DELAY_ACCT '
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+ 'and kernel.task_delayacct sysctl '
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+ 'not enabled in kernel, '
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'cannot determine SWAPIN and IO %')
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num_lines = min(len(lines), self.height - 2 - int(bool(status_msg)))
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for i in range(num_lines):
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diff -up iotop-0.6/README.gitdd4fcc71 iotop-0.6/README
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--- iotop-0.6/README.gitdd4fcc71 2013-05-27 00:44:18.000000000 +0200
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+++ iotop-0.6/README 2022-02-15 21:48:24.738610077 +0100
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@@ -1,7 +1,8 @@
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Iotop is a Python program with a top like UI used to show of behalf of which
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process is the I/O going on. It requires Python >= 2.7 and a Linux kernel >=
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2.6.20 with the CONFIG_TASK_DELAY_ACCT CONFIG_TASKSTATS,
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-CONFIG_TASK_IO_ACCOUNTING and CONFIG_VM_EVENT_COUNTERS options on.
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+CONFIG_TASK_IO_ACCOUNTING and CONFIG_VM_EVENT_COUNTERS build options on
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+and for Linux kernels since 5.14, the kernel.task_delayacct sysctl enabled.
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To run a local version of iotop:
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