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authorBenoît Ganne <bganne@cisco.com>2021-08-05 11:47:52 +0200
committerDamjan Marion <dmarion@me.com>2021-08-20 11:22:29 +0000
commit4e3af51a66384295eec5b1cf980ef4d88b949e1d (patch)
treec7b3db4ba08b676099adbcf830232f7476fd37a2 /src/vlib/buffer_funcs.h
parent03f2a015999ed9ba34041afb408a22ea5fe601ff (diff)
perfmon: fix perf event user page read
When mmap()-ing perf event in userspace, we must adhere to the kernel update protocol to read consistent values. Also, 'offset' is an offset to add to the counter value, not to apply to the PMC index. Type: fix Change-Id: I59106bb3a48185ff3fcb0d2f09097269a67bb6d6 Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/vlib/buffer_funcs.h')
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