FYI, we noticed the below changes on
commit 76835b0ebf8a7fe85beb03c75121419a7dec52f0 ("futex: Ensure
get_futex_key_refs() always implies a barrier")
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751 testbox/testcase/testparams
---------------- -------------------------- ---------------------------
%stddev %change %stddev
\ | \
9204866 ± 0% -10.2% 8266680 ± 0%
lkp-wsx01/will-it-scale/performance-futex3
11271283 ± 0% -12.1% 9911001 ± 0%
nhm4/will-it-scale/performance-futex3
10185806 -11.1% 9051578 GEO-MEAN
will-it-scale.per_process_ops
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
9211097 ± 0% -10.2% 8268370 ± 0%
lkp-wsx01/will-it-scale/performance-futex3
11324367 ± 0% -12.0% 9969101 ± 0%
nhm4/will-it-scale/performance-futex3
10213219 -11.1% 9078999 GEO-MEAN
will-it-scale.per_thread_ops
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
0.63 ± 0% +6.3% 0.66 ± 0%
lkp-wsx01/will-it-scale/performance-futex3
0.66 ± 0% +9.6% 0.72 ± 0%
nhm4/will-it-scale/performance-futex3
0.64 +7.9% 0.69 GEO-MEAN will-it-scale.scalability
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
2.01 ± 1% +365.3% 9.35 ± 1%
lkp-wsx01/will-it-scale/performance-futex3
1.67 ± 1% +509.7% 10.17 ± 3%
nhm4/will-it-scale/performance-futex3
1.83 +432.6% 9.75 GEO-MEAN
perf-profile.cpu-cycles.get_futex_key_refs.isra.11.futex_wake.do_futex.sys_futex.system_call_fastpath
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
1 ± 34% +200.0% 4 ± 17%
lkp-wsx01/will-it-scale/performance-futex3
1 +200.0% 4 GEO-MEAN
sched_debug.cpu#63.nr_uninterruptible
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
161 ± 27% +159.0% 418 ± 29%
lkp-wsx01/will-it-scale/performance-futex3
161 +159.0% 418 GEO-MEAN
sched_debug.cpu#48.sched_goidle
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
395 ± 23% +146.2% 972 ± 27%
lkp-wsx01/will-it-scale/performance-futex3
395 +146.2% 972 GEO-MEAN
sched_debug.cpu#48.nr_switches
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
404 ± 23% +143.3% 984 ± 27%
lkp-wsx01/will-it-scale/performance-futex3
404 +143.3% 984 GEO-MEAN
sched_debug.cpu#48.sched_count
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
434 ± 32% -68.0% 139 ± 20%
lkp-wsx01/will-it-scale/performance-futex3
434 -68.0% 138 GEO-MEAN
sched_debug.cpu#61.ttwu_local
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
5335 ± 48% -54.4% 2433 ± 43%
lkp-wsx01/will-it-scale/performance-futex3
5335 -54.4% 2433 GEO-MEAN
sched_debug.cpu#20.sched_goidle
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
498 ± 23% -54.4% 227 ± 25%
lkp-wsx01/will-it-scale/performance-futex3
498 -54.4% 227 GEO-MEAN
sched_debug.cpu#55.sched_goidle
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
576 ± 26% -46.8% 306 ± 34%
lkp-wsx01/will-it-scale/performance-futex3
576 -46.8% 306 GEO-MEAN
sched_debug.cpu#55.ttwu_count
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
0.47 ± 7% +119.7% 1.02 ± 5%
nhm4/will-it-scale/performance-futex3
0.47 +119.7% 1.02 GEO-MEAN
perf-profile.cpu-cycles.ret_from_sys_call.syscall
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
11216 ± 46% -49.6% 5648 ± 38%
lkp-wsx01/will-it-scale/performance-futex3
11216 -49.6% 5648 GEO-MEAN
sched_debug.cpu#20.nr_switches
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
11237 ± 46% -49.5% 5669 ± 38%
lkp-wsx01/will-it-scale/performance-futex3
11237 -49.5% 5669 GEO-MEAN
sched_debug.cpu#20.sched_count
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
1232 ± 27% -52.8% 581 ± 21%
lkp-wsx01/will-it-scale/performance-futex3
1232 -52.8% 581 GEO-MEAN
sched_debug.cpu#55.nr_switches
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
155 ± 36% +182.5% 438 ± 40%
lkp-wsx01/will-it-scale/performance-futex3
155 +182.5% 438 GEO-MEAN
sched_debug.cpu#48.ttwu_count
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
1245 ± 27% -52.5% 591 ± 21%
lkp-wsx01/will-it-scale/performance-futex3
1245 -52.5% 591 GEO-MEAN
sched_debug.cpu#55.sched_count
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
1461 ± 31% -46.9% 776 ± 23%
lkp-wsx01/will-it-scale/performance-futex3
1461 -46.9% 776 GEO-MEAN
sched_debug.cpu#42.ttwu_local
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
856 ± 34% -50.2% 426 ± 31%
lkp-wsx01/will-it-scale/performance-futex3
855 -50.2% 426 GEO-MEAN
sched_debug.cpu#58.ttwu_count
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
926 ± 19% -41.0% 546 ± 24%
lkp-wsx01/will-it-scale/performance-futex3
926 -41.0% 546 GEO-MEAN
sched_debug.cpu#61.ttwu_count
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
1593 ± 17% -45.1% 875 ± 20%
lkp-wsx01/will-it-scale/performance-futex3
1593 -45.1% 875 GEO-MEAN
sched_debug.cpu#61.nr_switches
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
3667 ± 25% -38.3% 2263 ± 18%
lkp-wsx01/will-it-scale/performance-futex3
3667 -38.3% 2262 GEO-MEAN
sched_debug.cpu#42.nr_switches
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
1604 ± 17% -44.8% 885 ± 20%
lkp-wsx01/will-it-scale/performance-futex3
1604 -44.8% 885 GEO-MEAN
sched_debug.cpu#61.sched_count
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
3680 ± 25% -38.1% 2279 ± 18%
lkp-wsx01/will-it-scale/performance-futex3
3680 -38.1% 2279 GEO-MEAN
sched_debug.cpu#42.sched_count
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
402 ± 22% +45.4% 585 ± 29%
lkp-wsx01/will-it-scale/performance-futex3
402 +45.4% 585 GEO-MEAN
sched_debug.cpu#70.sched_goidle
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
153 ± 13% -35.3% 99 ± 22%
nhm4/will-it-scale/performance-futex3
153 -35.3% 99 GEO-MEAN sched_debug.cpu#6.load
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
595 ± 21% +108.8% 1242 ± 40%
lkp-wsx01/will-it-scale/performance-futex3
595 +108.8% 1242 GEO-MEAN
sched_debug.cpu#70.ttwu_count
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
1127 ± 31% -42.3% 651 ± 8%
nhm4/will-it-scale/performance-futex3
1127 -42.3% 650 GEO-MEAN
sched_debug.cfs_rq[3]:/.blocked_load_avg
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
16.48 ± 1% +56.0% 25.71 ± 2%
nhm4/will-it-scale/performance-futex3
16.48 +56.0% 25.71 GEO-MEAN
perf-profile.cpu-cycles.futex_wake.do_futex.sys_futex.system_call_fastpath.syscall
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
575 ± 24% -39.7% 346 ± 21%
lkp-wsx01/will-it-scale/performance-futex3
575 -39.7% 346 GEO-MEAN
sched_debug.cpu#61.sched_goidle
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
534 ± 11% +63.0% 871 ± 35%
lkp-wsx01/will-it-scale/performance-futex3
534 +63.0% 871 GEO-MEAN
sched_debug.cpu#45.nr_switches
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
545 ± 11% +62.0% 883 ± 35%
lkp-wsx01/will-it-scale/performance-futex3
545 +62.0% 882 GEO-MEAN
sched_debug.cpu#45.sched_count
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
10 ± 26% -44.0% 5 ± 18%
lkp-wsx01/will-it-scale/performance-futex3
10 -44.0% 5 GEO-MEAN
sched_debug.cpu#72.cpu_load[0]
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
827 ± 26% +55.5% 1286 ± 23%
nhm4/will-it-scale/performance-futex3
826 +55.5% 1285 GEO-MEAN
sched_debug.cfs_rq[4]:/.blocked_load_avg
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
1245 ± 28% -38.8% 762 ± 8%
nhm4/will-it-scale/performance-futex3
1245 -38.8% 762 GEO-MEAN
sched_debug.cfs_rq[3]:/.tg_load_contrib
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
969 ± 22% +48.4% 1438 ± 20%
nhm4/will-it-scale/performance-futex3
969 +48.4% 1438 GEO-MEAN
sched_debug.cfs_rq[4]:/.tg_load_contrib
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
133 ± 11% -28.7% 95 ± 22%
nhm4/will-it-scale/performance-futex3
133 -28.7% 95 GEO-MEAN
sched_debug.cfs_rq[6]:/.load
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
799 ± 19% -34.8% 521 ± 26%
nhm4/will-it-scale/performance-futex3
799 -34.8% 521 GEO-MEAN
sched_debug.cfs_rq[2]:/.blocked_load_avg
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
906 ± 17% -30.8% 627 ± 21%
nhm4/will-it-scale/performance-futex3
906 -30.8% 627 GEO-MEAN
sched_debug.cfs_rq[2]:/.tg_load_contrib
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
70 ± 10% +21.7% 85 ± 9%
nhm4/will-it-scale/performance-futex3
70 +21.7% 85 GEO-MEAN
sched_debug.cpu#2.cpu_load[3]
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
3149 ± 11% -15.0% 2677 ± 10%
lkp-wsx01/will-it-scale/performance-futex3
3149 -15.0% 2676 GEO-MEAN
sched_debug.cpu#71.curr->pid
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
68 ± 12% +23.5% 84 ± 9%
nhm4/will-it-scale/performance-futex3
68 +23.5% 83 GEO-MEAN
sched_debug.cpu#2.cpu_load[4]
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
214345 ± 13% +31.5% 281773 ± 13%
nhm4/will-it-scale/performance-futex3
214345 +31.5% 281773 GEO-MEAN
sched_debug.cfs_rq[2]:/.min_vruntime
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
38234 ± 5% -17.6% 31518 ± 1%
nhm4/will-it-scale/performance-futex3
38234 -17.6% 31518 GEO-MEAN softirqs.RCU
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
37071 ± 15% +36.8% 50702 ± 15%
nhm4/will-it-scale/performance-futex3
37071 +36.8% 50702 GEO-MEAN
sched_debug.cfs_rq[2]:/.exec_clock
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
324067 ± 8% -18.2% 265084 ± 14%
nhm4/will-it-scale/performance-futex3
324067 -18.2% 265084 GEO-MEAN
sched_debug.cfs_rq[6]:/.min_vruntime
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
103 ± 5% -21.8% 81 ± 9%
nhm4/will-it-scale/performance-futex3
103 -21.8% 81 GEO-MEAN
sched_debug.cpu#6.cpu_load[2]
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
114 ± 4% -21.6% 89 ± 12%
nhm4/will-it-scale/performance-futex3
114 -21.6% 89 GEO-MEAN
sched_debug.cpu#6.cpu_load[1]
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
58381 ± 10% -23.2% 44812 ± 18%
nhm4/will-it-scale/performance-futex3
58381 -23.2% 44812 GEO-MEAN
sched_debug.cfs_rq[6]:/.exec_clock
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
82318 ± 11% -20.7% 65237 ± 13%
nhm4/will-it-scale/performance-futex3
82318 -20.7% 65237 GEO-MEAN
sched_debug.cpu#1.nr_load_updates
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
95 ± 7% -19.9% 76 ± 8%
nhm4/will-it-scale/performance-futex3
95 -19.9% 76 GEO-MEAN
sched_debug.cpu#6.cpu_load[4]
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
7.76 ± 0% +15.3% 8.95 ± 0%
lkp-wsx01/will-it-scale/performance-futex3
6.55 ± 3% +22.3% 8.01 ± 1%
nhm4/will-it-scale/performance-futex3
7.13 +18.8% 8.47 GEO-MEAN
perf-profile.cpu-cycles.get_futex_key.futex_wake.do_futex.sys_futex.system_call_fastpath
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
98 ± 7% -20.5% 78 ± 8%
nhm4/will-it-scale/performance-futex3
98 -20.5% 78 GEO-MEAN
sched_debug.cpu#6.cpu_load[3]
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
1.22 ± 4% -15.5% 1.03 ± 9%
nhm4/will-it-scale/performance-futex3
1.22 -15.5% 1.03 GEO-MEAN
perf-profile.cpu-cycles.drop_futex_key_refs.isra.12.do_futex.sys_futex.system_call_fastpath.syscall
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
3.76 ± 0% -13.5% 3.25 ± 0%
lkp-wsx01/will-it-scale/performance-futex3
3.23 ± 2% -15.0% 2.75 ± 2%
nhm4/will-it-scale/performance-futex3
3.49 -14.3% 2.99 GEO-MEAN
perf-profile.cpu-cycles.sysret_check.syscall
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
3053 ± 8% -18.2% 2499 ± 13%
nhm4/will-it-scale/performance-futex3
3053 -18.2% 2499 GEO-MEAN
sched_debug.cpu#6.curr->pid
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
11.31 ± 0% -11.2% 10.05 ± 0%
lkp-wsx01/will-it-scale/performance-futex3
11.27 ± 1% -16.4% 9.43 ± 1%
nhm4/will-it-scale/performance-futex3
11.29 -13.8% 9.73 GEO-MEAN
perf-profile.cpu-cycles.system_call.syscall
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
18.21 ± 1% -13.6% 15.74 ± 2%
nhm4/will-it-scale/performance-futex3
18.21 -13.6% 15.74 GEO-MEAN
perf-profile.cpu-cycles.hash_futex.do_futex.sys_futex.system_call_fastpath.syscall
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
12.56 ± 0% -12.2% 11.03 ± 1%
lkp-wsx01/will-it-scale/performance-futex3
12.54 ± 1% -14.4% 10.73 ± 3%
nhm4/will-it-scale/performance-futex3
12.55 -13.3% 10.88 GEO-MEAN
perf-profile.cpu-cycles.system_call_after_swapgs.syscall
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
21140 ± 9% +17.5% 24849 ± 8%
nhm4/will-it-scale/performance-futex3
21140 +17.5% 24849 GEO-MEAN
sched_debug.cfs_rq[2]:/.avg->runnable_avg_sum
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
4.52 ± 2% -11.5% 4.00 ± 1%
lkp-wsx01/will-it-scale/performance-futex3
42.44 ± 0% +13.8% 48.30 ± 2%
nhm4/will-it-scale/performance-futex3
13.85 +0.4% 13.90 GEO-MEAN
perf-profile.cpu-cycles.do_futex.sys_futex.system_call_fastpath.syscall
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
1.21 ± 1% -11.4% 1.08 ± 1%
lkp-wsx01/will-it-scale/performance-futex3
1.21 -11.4% 1.08 GEO-MEAN
perf-profile.cpu-cycles.drop_futex_key_refs.isra.12.futex_wake.do_futex.sys_futex.system_call_fastpath
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
50.65 ± 0% +11.9% 56.69 ± 2%
nhm4/will-it-scale/performance-futex3
50.65 +11.9% 56.69 GEO-MEAN
perf-profile.cpu-cycles.system_call_fastpath.syscall
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
20.50 ± 0% -10.9% 18.25 ± 0%
lkp-wsx01/will-it-scale/performance-futex3
20.50 -10.9% 18.25 GEO-MEAN
perf-profile.cpu-cycles.syscall
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
27368 ± 7% -13.6% 23638 ± 8%
nhm4/will-it-scale/performance-futex3
27368 -13.6% 23638 GEO-MEAN
sched_debug.cfs_rq[6]:/.avg->runnable_avg_sum
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
4.92 ± 0% -11.5% 4.36 ± 1%
lkp-wsx01/will-it-scale/performance-futex3
48.57 ± 0% +11.3% 54.04 ± 2%
nhm4/will-it-scale/performance-futex3
15.46 -0.7% 15.34 GEO-MEAN
perf-profile.cpu-cycles.sys_futex.system_call_fastpath.syscall
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
596 ± 7% -13.6% 515 ± 8%
nhm4/will-it-scale/performance-futex3
596 -13.6% 515 GEO-MEAN
sched_debug.cfs_rq[6]:/.tg_runnable_contrib
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
3007 ± 6% -11.8% 2654 ± 13%
lkp-wsx01/will-it-scale/performance-futex3
3007 -11.8% 2653 GEO-MEAN
sched_debug.cpu#38.curr->pid
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
39113 ± 2% +10.7% 43292 ± 4%
nhm4/will-it-scale/performance-futex3
39113 +10.7% 43292 GEO-MEAN cpuidle.C6-NHM.usage
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
1401 ± 0% -10.1% 1260 ± 0%
lkp-wsx01/will-it-scale/performance-futex3
199 ± 0% -21.5% 156 ± 2%
nhm4/will-it-scale/performance-futex3
528 -16.0% 443 GEO-MEAN time.user_time
0429fbc0bdc297d6 76835b0ebf8a7fe85beb03c751
---------------- --------------------------
3901 ± 0% +3.6% 4041 ± 0%
lkp-wsx01/will-it-scale/performance-futex3
522 ± 0% +8.2% 565 ± 0%
nhm4/will-it-scale/performance-futex3
1428 +5.9% 1511 GEO-MEAN time.system_time
lkp-wsx01: Westmere-EX
Memory: 128G
nhm4: Nehalem
Memory: 4G
will-it-scale.scalability
0.73 ++----------------------------------------O--------------------------+
O O O O O O O O O O O O O
0.72 ++ |
0.71 ++ |
| |
0.7 ++ |
| |
0.69 ++ |
| |
0.68 ++ |
0.67 ++ |
| |
0.66 *+...*.....*....*.... ..*.... ..*.....*....* |
| *.....*.. *.. |
0.65 ++-------------------------------------------------------------------+
will-it-scale.per_process_ops
1.14e+07 ++---------------------------------------------------------------+
*....*....*....*.... ..*....*....*....*....*....* |
1.12e+07 ++ *.. |
| |
1.1e+07 ++ |
1.08e+07 ++ |
| |
1.06e+07 ++ |
| |
1.04e+07 ++ |
1.02e+07 ++ |
| |
1e+07 ++ |
O O O O O O O O O O O O O O
9.8e+06 ++---------------------------------------------------------------+
will-it-scale.per_thread_ops
1.14e+07 ++---------------------------------------------------------------+
*....*....*....*....*....*....*....*....*....*....* |
1.12e+07 ++ |
| |
1.1e+07 ++ |
1.08e+07 ++ |
| |
1.06e+07 ++ |
| |
1.04e+07 ++ |
1.02e+07 ++ |
| |
1e+07 O+ O O O O O O O O O O
| O O O |
9.8e+06 ++---------------------------------------------------------------+
28 ++---------------------------------------------------------------------+
| O |
26 O+ O O O O O O O O O O
| O O |
24 ++ |
| |
22 ++ |
| |
20 ++ |
| |
18 ++ |
| ...*....*..... ..*.....*.... ...*....*..... |
16 *+...*.. *.. *.. * |
| |
14 ++---------------------------------------------------------------------+
11 ++---------------------------------------------------------------------+
10 O+ O O O O O O O O O O O
| O O |
9 ++ |
8 ++ |
| |
7 ++ |
6 ++ |
5 ++ |
| |
4 ++ |
3 ++ |
| |
2 *+...*.....*....*.....*....*.....*....*.....*....*.....* |
1 ++---------------------------------------------------------------------+
9 ++--------------------------------------------------------------------+
| |
8.5 ++ O |
| O |
O O O O O O
8 ++ O O O O O O |
| |
7.5 ++ |
| |
7 ++ |
| *.... |
| .. *..... ..*....*.... .*....*..... |
6.5 ++ . *.. . .. * |
| .. *. |
6 *+---*----------------------------------------------------------------+
[*] bisect-good sample
[O] bisect-bad sample
To reproduce:
apt-get install ruby ruby-oj
git clone
git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/setup-local job.yaml # the job file attached in this email
bin/run-local job.yaml
Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
Thanks,
Fengguang
---
testcase: will-it-scale
default_monitors:
wait: pre-test
uptime:
iostat:
vmstat:
numa-numastat:
numa-vmstat:
numa-meminfo:
proc-vmstat:
proc-stat:
meminfo:
slabinfo:
interrupts:
lock_stat:
latency_stats:
softirqs:
bdi_dev_mapping:
diskstats:
energy:
cpuidle:
cpufreq:
turbostat:
sched_debug:
interval: 10
pmeter:
default_watchdogs:
watch-oom:
watchdog:
cpufreq_governor:
- performance
commit: f114040e3ea6e07372334ade75d1ee0775c355e1
model: Nehalem
nr_cpu: 8
memory: 4G
hdd_partitions:
"/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36812041-part1"
swap_partitions:
"/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36812041-part2"
rootfs_partition:
"/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36812041-part3"
perf-profile:
freq: 800
will-it-scale:
test:
- futex3
enqueue_time: 2014-10-21 00:33:51.358472551 +08:00
testbox: nhm4
tbox_group: nhm4
kconfig: x86_64-rhel
head_commit: f564618c89f952e9171278ed936c4740364b33a0
base_commit: f114040e3ea6e07372334ade75d1ee0775c355e1
branch: linux-devel/devel-hourly-2014102100
kernel:
"/kernel/x86_64-rhel/f114040e3ea6e07372334ade75d1ee0775c355e1/vmlinuz-3.18.0-rc1-gf114040"
user: lkp
queue: cyclic
result_root:
"/result/nhm4/will-it-scale/performance-futex3/debian-x86_64.cgz/x86_64-rhel/f114040e3ea6e07372334ade75d1ee0775c355e1/0"
job_file:
"/lkp/scheduled/nhm4/cyclic_will-it-scale-performance-futex3-x86_64-rhel-BASE-f114040e3ea6e07372334ade75d1ee0775c355e1-0.yaml"
dequeue_time: 2014-10-21 01:03:14.201992054 +08:00
job_state: finished
loadavg: 6.64 3.40 1.37 1/127 5618
start_time: '1413824625'
end_time: '1413824930'
version: "/lkp/lkp/.src-20141020-230438"
echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor
./runtest.py futex3 32 1 4 6 8
_______________________________________________
LKP mailing list
[email protected]
