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perf_event_open.2: Minor tweak to Song Liu's kprobe/uprobe patch: fix kernel version 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2018-04-12 10:23:41 +02:00
parent c87e72a27c
commit 6170a241ea
1 changed files with 4 additions and 1 deletions
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5
man2/perf_event_open.2
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@ -341,7 +341,10 @@ For instance,
.I /sys/bus/event_source/devices/cpu/type
contains the value for the core CPU PMU, which is usually 4.
.TP
.BR kprobe " and " uprobe " (since Linux 4.16)"
.BR kprobe " and " uprobe " (since Linux 4.17)"
.\" commit 65074d43fc77bcae32776724b7fa2696923c78e4
.\" commit e12f03d7031a977356e3d7b75a68c2185ff8d155
.\" commit 33ea4b24277b06dbc55d7f5772a46f029600255e
These two dynamic PMUs create a kprobe/uprobe and attach it to the
file descriptor generated by perf_event_open.
The kprobe/uprobe will be destroyed on the destruction of the file descriptor.