From: Mischa Jonker Date: Wed, 13 Nov 2013 15:06:06 +0000 (+0100) Subject: ARC: perf: ARC 700 PMU doesn't support sampling events X-Git-Tag: v3.13-rc1~36^2~1 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=230c4aadcc394fb48d865a1cd96c8725dabad56d;p=pandora-kernel.git ARC: perf: ARC 700 PMU doesn't support sampling events The ARC 700 does not have an interrupt associated with it, and as such it cannot trigger when a counter overflows. As the counters are 48 bit, it will usually take at least 100 days before a counter overflows, so for mere counting of events, there is no problem. Sampling is not supported though. Signed-off-by: Mischa Jonker Acked-by: Peter Zijlstra Signed-off-by: Vineet Gupta --- Reading git-diff-tree failed