]> git.baikalelectronics.ru Git - kernel.git/commit
perf/x86/intel/pt: Fix sampling using single range output
authorAdrian Hunter <adrian.hunter@intel.com>
Sat, 12 Nov 2022 15:15:08 +0000 (17:15 +0200)
committerPeter Zijlstra <peterz@infradead.org>
Wed, 16 Nov 2022 09:12:59 +0000 (10:12 +0100)
commit5377e9bf9222036922523617ad1cb91a9b3ba4d4
tree9c4b32dbbd1f213a02ecf48b20fe33f2b49a3c30
parent535068790f9fc72f60610cd8af4cd79457ec551d
perf/x86/intel/pt: Fix sampling using single range output

Deal with errata TGL052, ADL037 and RPL017 "Trace May Contain Incorrect
Data When Configured With Single Range Output Larger Than 4KB" by
disabling single range output whenever larger than 4KB.

Fixes: e168baa11eb3 ("perf/x86/intel/pt: Opportunistically use single range output mode")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20221112151508.13768-1-adrian.hunter@intel.com
arch/x86/events/intel/pt.c