summaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
authorDeng-Cheng Zhu <dengcheng.zhu@imgtec.com>2013-10-08 16:17:48 +0100
committerRalf Baechle <ralf@linux-mips.org>2013-10-29 21:18:23 +0100
commit7f081f175502373673c015a4d0fa1d5cc264758a (patch)
treebd53f2a1470b37b79d7e5f5f6e0fe7bcfbc452d4 /arch
parent959f58544b7f20c92d5eb43d1232c96c15c01bfb (diff)
downloadlinux-7f081f175502373673c015a4d0fa1d5cc264758a.tar.bz2
MIPS: Perf: Fix 74K cache map
According to Software User's Manual, the event of last-level-cache read/write misses is mapped to even counters. Odd counters of that event number count miss cycles. Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6036/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/kernel/perf_event_mipsxx.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c
index 45f1ffcf1a4b..24cdf64789c3 100644
--- a/arch/mips/kernel/perf_event_mipsxx.c
+++ b/arch/mips/kernel/perf_event_mipsxx.c
@@ -971,11 +971,11 @@ static const struct mips_perf_event mipsxx74Kcore_cache_map
[C(LL)] = {
[C(OP_READ)] = {
[C(RESULT_ACCESS)] = { 0x1c, CNTR_ODD, P },
- [C(RESULT_MISS)] = { 0x1d, CNTR_EVEN | CNTR_ODD, P },
+ [C(RESULT_MISS)] = { 0x1d, CNTR_EVEN, P },
},
[C(OP_WRITE)] = {
[C(RESULT_ACCESS)] = { 0x1c, CNTR_ODD, P },
- [C(RESULT_MISS)] = { 0x1d, CNTR_EVEN | CNTR_ODD, P },
+ [C(RESULT_MISS)] = { 0x1d, CNTR_EVEN, P },
},
},
[C(ITLB)] = {