relay_subbufs_consumed (9) Linux Manual Page
relay_subbufs_consumed – update the buffer’s sub-buffers-consumed count
Synopsis
void relay_subbufs_consumed(struct rchan *chan, unsigned int cpu, size_t subbufs_consumed);Arguments
chan
-
- the channel
cpu
- the cpu associated with the channel buffer to update
subbufs_consumed
- number of sub-buffers to add to current buf’s count
Description
Adds to the channel buffer’s consumed sub-buffer count. subbufs_consumed should be the number of sub-buffers newly consumed, not the total consumed.
NOTE. Kernel clients don’t need to call this function if the channel mode is ‘overwrite’.