Hendrik Brueckner 69f239ed33 s390/cpum_sf: Dynamically extend the sampling buffer if overflows occur ... Improve the sampling buffer allocation and add a function to reallocate and increase the sampling buffer structure. The number of allocated buffer elements (sample-data-blocks) are accounted. You can control the minimum and maximum number these sample-data-blocks through the cpum_sfb_size kernel parameter. The number hardware sample overflows (if any) are also accounted and stored per perf event. During the PMU disable/enable calls, the accumulated overflow counter is analyzed and, if necessary, the sampling buffer is dynamically increased. Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>		2013-12-16 14:37:57 +01:00
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asm	s390/cpum_sf: Dynamically extend the sampling buffer if overflows occur	2013-12-16 14:37:57 +01:00
uapi/asm	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	2013-11-13 17:40:34 +09:00