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11 - Written for: 6.12
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21 $ sudo mount -t tracefs tracefs /sys/kernel/tracing
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30 written to the tracing ring buffer in a lockless way. To make it even
33 arguments will be post processed when the ring buffer is read. This way the
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77 buffers is broken up into sub-buffers that are by default PAGE_SIZE. The
79 so, on a machine with 8 CPUs, that's actually 400K total.
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89 The more reliable way (on x86) is to reserve memory with the "memmap" kernel
101 megabytes will be broken up evenly between those CPUs. If you have 8 CPUs,
106 Another more generic but less robust way to allocate a ring buffer mapping
122 around in such a way that it will move the location of the reserve_mem. By
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