mirror of https://gitee.com/openkylin/linux.git
d9f2a5ecb2
Fix AMD's Data Cache Refills from System event.
After this patch :
./tools/perf/perf stat -e l1d -e l1d-misses -e l1d-write -e l1d-prefetch -e l1d-prefetch-miss -e l1i -e l1i-misses -e l1i-prefetch -e l2 -e l2-misses -e l2-write -e dtlb -e dtlb-misses -e itlb -e itlb-misses -e bpu -e bpu-misses ls /dev/ > /dev/null
Performance counter stats for 'ls /dev/':
2499484 L1-data-Cache-Load-Referencees (scaled from 3.97%)
70347 L1-data-Cache-Load-Misses (scaled from 7.30%)
9360 L1-data-Cache-Store-Referencees (scaled from 8.64%)
32804 L1-data-Cache-Prefetch-Referencees (scaled from 17.72%)
7693 L1-data-Cache-Prefetch-Misses (scaled from 22.97%)
2180945 L1-instruction-Cache-Load-Referencees (scaled from 28.48%)
14518 L1-instruction-Cache-Load-Misses (scaled from 35.00%)
2405 L1-instruction-Cache-Prefetch-Referencees (scaled from 34.89%)
71387 L2-Cache-Load-Referencees (scaled from 34.94%)
18732 L2-Cache-Load-Misses (scaled from 34.92%)
79918 L2-Cache-Store-Referencees (scaled from 36.02%)
1295294 Data-TLB-Cache-Load-Referencees (scaled from 35.99%)
30896 Data-TLB-Cache-Load-Misses (scaled from 33.36%)
1222030 Instruction-TLB-Cache-Load-Referencees (scaled from 29.46%)
357 Instruction-TLB-Cache-Load-Misses (scaled from 20.46%)
530888 Branch-Cache-Load-Referencees (scaled from 11.48%)
8638 Branch-Cache-Load-Misses (scaled from 5.09%)
0.011295149 seconds time elapsed.
Earlier it always shows value 0.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
LKML-Reference: <1245484165.3102.6.camel@localhost.localdomain>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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| alpha | ||
| arm | ||
| avr32 | ||
| blackfin | ||
| cris | ||
| frv | ||
| h8300 | ||
| ia64 | ||
| m32r | ||
| m68k | ||
| m68knommu | ||
| microblaze | ||
| mips | ||
| mn10300 | ||
| parisc | ||
| powerpc | ||
| s390 | ||
| sh | ||
| sparc | ||
| um | ||
| x86 | ||
| xtensa | ||
| .gitignore | ||
| Kconfig | ||