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Date: Wed, 3 Jun 2020 17:11:50 +0800
From: kernel test robot <rong.a.chen@...el.com>
To: Mimi Zohar <zohar@...ux.ibm.com>
Cc: Lakshmi Ramasubramanian <nramas@...ux.microsoft.com>,
LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org
Subject: [ima] 8eb613c0b8: stress-ng.icache.ops_per_sec -84.2% regression
Greeting,
FYI, we noticed a 3.7% regression of boot-time.dhcp due to commit:
commit: 8eb613c0b8f19627ba1846dcf78bb2c85edbe8dd ("ima: verify mprotect change is consistent with mmap policy")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
in testcase: stress-ng
on test machine: 96 threads Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz with 192G memory
with following parameters:
nr_threads: 100%
disk: 1HDD
testtime: 30s
class: cpu-cache
cpufreq_governor: performance
ucode: 0x500002c
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <rong.a.chen@...el.com>
Details are as below:
-------------------------------------------------------------------------------------------------->
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
=========================================================================================
class/compiler/cpufreq_governor/disk/kconfig/nr_threads/rootfs/tbox_group/testcase/testtime/ucode:
cpu-cache/gcc-9/performance/1HDD/x86_64-rhel-7.6/100%/debian-x86_64-20191114.cgz/lkp-csl-2sp5/stress-ng/30s/0x500002c
commit:
0c4395fb2a ("evm: Fix possible memory leak in evm_calc_hmac_or_hash()")
8eb613c0b8 ("ima: verify mprotect change is consistent with mmap policy")
0c4395fb2aa77341 8eb613c0b8f19627ba1846dcf78
---------------- ---------------------------
fail:runs %reproduction fail:runs
| | |
:4 25% 1:4 dmesg.WARNING:at#for_ip_interrupt_entry/0x
0:4 3% 0:4 perf-profile.children.cycles-pp.error_entry
%stddev %change %stddev
\ | \
1245570 -84.2% 197151 stress-ng.icache.ops
41517 -84.2% 6570 stress-ng.icache.ops_per_sec
1.306e+09 -82.1% 2.338e+08 stress-ng.time.minor_page_faults
2985 +13.5% 3387 stress-ng.time.system_time
4.28 +13.1% 4.85 iostat.cpu.system
4.18 +0.6 4.73 mpstat.cpu.all.sys%
10121 +9.6% 11096 ± 3% softirqs.CPU67.SCHED
203299 -4.2% 194854 ± 5% vmstat.system.in
26.91 +2.8% 27.67 ± 3% boot-time.boot
16.34 +3.7% 16.94 ± 2% boot-time.dhcp
2183 ± 3% +3.7% 2263 boot-time.idle
1042938 ± 80% +8208.2% 86649242 ±156% cpuidle.C1.time
48428 ±114% +1842.4% 940677 ±151% cpuidle.C1.usage
15748 ± 28% +301.0% 63144 ± 79% cpuidle.POLL.usage
61300 ± 4% +82.8% 112033 ± 11% numa-vmstat.node1.nr_active_anon
47060 ± 3% +106.8% 97323 ± 12% numa-vmstat.node1.nr_anon_pages
42.67 ± 2% +217.0% 135.25 ± 14% numa-vmstat.node1.nr_anon_transparent_hugepages
61301 ± 4% +82.8% 112032 ± 11% numa-vmstat.node1.nr_zone_active_anon
3816 ± 2% +3.0% 3931 proc-vmstat.nr_page_table_pages
35216541 +2.9% 36244047 proc-vmstat.pgalloc_normal
1.308e+09 -82.0% 2.356e+08 proc-vmstat.pgfault
35173363 +2.8% 36173843 proc-vmstat.pgfree
248171 ± 5% +82.5% 452893 ± 11% numa-meminfo.node1.Active
244812 ± 4% +83.5% 449116 ± 11% numa-meminfo.node1.Active(anon)
88290 ± 3% +214.4% 277591 ± 15% numa-meminfo.node1.AnonHugePages
187940 ± 3% +107.8% 390486 ± 12% numa-meminfo.node1.AnonPages
1366813 ± 3% +12.0% 1530428 ± 6% numa-meminfo.node1.MemUsed
571.00 ± 8% +10.4% 630.50 ± 8% slabinfo.UDP.active_objs
571.00 ± 8% +10.4% 630.50 ± 8% slabinfo.UDP.num_objs
300.00 ± 5% +20.0% 360.00 ± 10% slabinfo.kmem_cache.active_objs
300.00 ± 5% +20.0% 360.00 ± 10% slabinfo.kmem_cache.num_objs
606.33 ± 4% +17.6% 713.00 ± 8% slabinfo.kmem_cache_node.active_objs
661.33 ± 4% +16.1% 768.00 ± 8% slabinfo.kmem_cache_node.num_objs
114561 ± 23% -34.3% 75239 ± 7% sched_debug.cfs_rq:/.load.max
14869 ± 22% -36.6% 9424 ± 8% sched_debug.cfs_rq:/.load.stddev
4040842 ± 5% +18.0% 4767515 ± 13% sched_debug.cpu.avg_idle.max
2019061 ± 8% +25.5% 2534134 ± 14% sched_debug.cpu.max_idle_balance_cost.max
378044 ± 3% +22.5% 463135 ± 8% sched_debug.cpu.max_idle_balance_cost.stddev
41605 +12.6% 46852 ± 2% sched_debug.cpu.nr_switches.max
44445 ± 2% +11.8% 49668 ± 3% sched_debug.cpu.sched_count.max
7704 ± 8% +26.6% 9753 ± 14% sched_debug.cpu.sched_goidle.max
584.16 ± 4% +135.0% 1372 ± 57% sched_debug.cpu.sched_goidle.stddev
1416 ± 3% +32.2% 1873 ± 19% sched_debug.cpu.ttwu_local.stddev
0.33 ±141% +18200.0% 61.00 ±152% interrupts.40:PCI-MSI.31981573-edge.i40e-eth0-TxRx-4
79.67 ±124% -99.1% 0.75 ±110% interrupts.89:PCI-MSI.31981622-edge.i40e-eth0-TxRx-53
6318 +44.6% 9134 ± 6% interrupts.CPU1.RES:Rescheduling_interrupts
5245 ± 35% +50.1% 7871 interrupts.CPU11.NMI:Non-maskable_interrupts
5245 ± 35% +50.1% 7871 interrupts.CPU11.PMI:Performance_monitoring_interrupts
67.00 ± 58% -79.9% 13.50 ± 76% interrupts.CPU16.TLB:TLB_shootdowns
861.67 +39.1% 1198 ± 31% interrupts.CPU23.RES:Rescheduling_interrupts
796.33 ± 2% +9.4% 871.50 ± 2% interrupts.CPU34.RES:Rescheduling_interrupts
0.33 ±141% +18125.0% 60.75 ±153% interrupts.CPU4.40:PCI-MSI.31981573-edge.i40e-eth0-TxRx-4
1271 ± 43% +47.2% 1872 ± 26% interrupts.CPU51.RES:Rescheduling_interrupts
79.33 ±125% -99.4% 0.50 ±173% interrupts.CPU53.89:PCI-MSI.31981622-edge.i40e-eth0-TxRx-53
844.00 ± 2% +63.7% 1381 ± 34% interrupts.CPU6.RES:Rescheduling_interrupts
786.00 ± 4% +21.2% 953.00 ± 13% interrupts.CPU69.RES:Rescheduling_interrupts
855.67 ± 11% +96.3% 1679 ± 60% interrupts.CPU8.RES:Rescheduling_interrupts
178.33 ± 43% -81.2% 33.50 ± 85% interrupts.CPU8.TLB:TLB_shootdowns
820.67 ± 9% -18.8% 666.25 ± 9% interrupts.CPU82.RES:Rescheduling_interrupts
4.464e+10 -2.9% 4.336e+10 perf-stat.i.branch-instructions
2.65 +0.1 2.73 perf-stat.i.branch-miss-rate%
6.32 ± 3% +5.3% 6.65 ± 2% perf-stat.i.cpi
19226980 -8.5% 17587852 perf-stat.i.dTLB-load-misses
5.17e+10 -3.5% 4.989e+10 perf-stat.i.dTLB-loads
5874100 -52.1% 2811682 perf-stat.i.dTLB-store-misses
1.968e+10 -5.4% 1.861e+10 perf-stat.i.dTLB-stores
6448559 ± 3% -45.3% 3527950 ± 9% perf-stat.i.iTLB-load-misses
31409753 ± 4% -53.3% 14680095 ± 3% perf-stat.i.iTLB-loads
2.267e+11 -2.9% 2.201e+11 perf-stat.i.instructions
0.93 -2.7% 0.91 perf-stat.i.ipc
1155 -3.9% 1110 perf-stat.i.metric.M/sec
1819587 -82.9% 311898 perf-stat.i.minor-faults
1819587 -82.9% 311898 perf-stat.i.page-faults
3.49 +3.3% 3.61 perf-stat.overall.MPKI
2.26 +0.1 2.32 perf-stat.overall.branch-miss-rate%
1.08 +3.5% 1.12 perf-stat.overall.cpi
0.04 -0.0 0.04 perf-stat.overall.dTLB-load-miss-rate%
0.03 -0.0 0.02 perf-stat.overall.dTLB-store-miss-rate%
17.10 +2.4 19.49 ± 6% perf-stat.overall.iTLB-load-miss-rate%
35144 ± 2% +75.7% 61761 ± 8% perf-stat.overall.instructions-per-iTLB-miss
0.92 -3.3% 0.89 perf-stat.overall.ipc
4.286e+10 -3.0% 4.156e+10 perf-stat.ps.branch-instructions
18403186 -8.6% 16825390 perf-stat.ps.dTLB-load-misses
4.958e+10 -3.6% 4.778e+10 perf-stat.ps.dTLB-loads
5647388 -51.3% 2750721 perf-stat.ps.dTLB-store-misses
1.886e+10 -5.5% 1.782e+10 perf-stat.ps.dTLB-stores
6190595 ± 2% -44.4% 3440326 ± 9% perf-stat.ps.iTLB-load-misses
30030226 ± 4% -52.8% 14185074 ± 3% perf-stat.ps.iTLB-loads
2.174e+11 -3.1% 2.107e+11 perf-stat.ps.instructions
1737379 -82.0% 312180 perf-stat.ps.minor-faults
1737379 -82.0% 312180 perf-stat.ps.page-faults
1.635e+14 -3.1% 1.585e+14 perf-stat.total.instructions
0.97 ± 3% -0.3 0.70 ± 9% perf-profile.calltrace.cycles-pp.__generic_file_write_iter.generic_file_write_iter.new_sync_write.vfs_write.ksys_write
0.97 ± 3% -0.3 0.70 ± 9% perf-profile.calltrace.cycles-pp.generic_perform_write.__generic_file_write_iter.generic_file_write_iter.new_sync_write.vfs_write
0.98 ± 4% -0.3 0.71 ± 10% perf-profile.calltrace.cycles-pp.new_sync_write.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.98 ± 4% -0.3 0.71 ± 10% perf-profile.calltrace.cycles-pp.generic_file_write_iter.new_sync_write.vfs_write.ksys_write.do_syscall_64
0.99 ± 3% -0.2 0.74 ± 11% perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.__GI___libc_write
1.02 ± 3% -0.2 0.77 ± 9% perf-profile.calltrace.cycles-pp.perf_mmap__push.cmd_record.main.__libc_start_main
1.00 ± 4% -0.2 0.76 ± 10% perf-profile.calltrace.cycles-pp.__GI___libc_write.perf_mmap__push.cmd_record.main.__libc_start_main
0.99 ± 3% -0.2 0.75 ± 9% perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.__GI___libc_write.perf_mmap__push
0.99 ± 3% -0.2 0.76 ± 10% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__GI___libc_write.perf_mmap__push.cmd_record.main
0.99 ± 3% -0.2 0.76 ± 10% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__GI___libc_write.perf_mmap__push.cmd_record
2.99 ± 5% +0.4 3.37 ± 5% perf-profile.calltrace.cycles-pp.lapic_next_deadline.clockevents_program_event.hrtimer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt
2.06 ± 9% +0.4 2.45 ± 11% perf-profile.calltrace.cycles-pp.update_curr.task_tick_fair.scheduler_tick.update_process_times.tick_sched_handle
2.43 ± 7% +0.4 2.84 ± 7% perf-profile.calltrace.cycles-pp.native_write_msr.lapic_next_deadline.clockevents_program_event.hrtimer_interrupt.smp_apic_timer_interrupt
0.17 ±141% +0.4 0.60 ± 13% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.rcu_core.__softirqentry_text_start.irq_exit.smp_apic_timer_interrupt
0.19 ±141% +0.5 0.68 ± 14% perf-profile.calltrace.cycles-pp.reweight_entity.task_tick_fair.scheduler_tick.update_process_times.tick_sched_handle
1.50 ± 15% +0.5 2.03 ± 9% perf-profile.calltrace.cycles-pp.native_write_msr.__intel_pmu_enable_all.perf_mux_hrtimer_handler.__hrtimer_run_queues.hrtimer_interrupt
1.57 ± 16% +0.6 2.12 ± 8% perf-profile.calltrace.cycles-pp.__intel_pmu_enable_all.perf_mux_hrtimer_handler.__hrtimer_run_queues.hrtimer_interrupt.smp_apic_timer_interrupt
3.58 ± 15% +1.0 4.63 ± 12% perf-profile.calltrace.cycles-pp.perf_mux_hrtimer_handler.__hrtimer_run_queues.hrtimer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt
3.94 ± 3% +1.7 5.69 ± 28% perf-profile.calltrace.cycles-pp.hrtimer_active.task_tick_fair.scheduler_tick.update_process_times.tick_sched_handle
34.96 ± 5% +3.2 38.16 ± 5% perf-profile.calltrace.cycles-pp.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt
41.63 ± 5% +4.8 46.42 ± 6% perf-profile.calltrace.cycles-pp.__hrtimer_run_queues.hrtimer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt
19.35 ± 3% +5.8 25.16 ± 23% perf-profile.calltrace.cycles-pp.update_process_times.tick_sched_handle.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt
0.41 ± 55% -0.3 0.09 ± 55% perf-profile.children.cycles-pp.alloc_pages_vma
1.22 ± 2% -0.3 0.91 ± 15% perf-profile.children.cycles-pp.new_sync_write
1.26 -0.3 0.96 ± 13% perf-profile.children.cycles-pp.ksys_write
1.23 -0.3 0.94 ± 15% perf-profile.children.cycles-pp.vfs_write
0.98 ± 4% -0.3 0.71 ± 8% perf-profile.children.cycles-pp.__generic_file_write_iter
0.98 ± 4% -0.3 0.71 ± 8% perf-profile.children.cycles-pp.generic_perform_write
0.99 ± 5% -0.3 0.72 ± 10% perf-profile.children.cycles-pp.generic_file_write_iter
1.02 ± 3% -0.2 0.77 ± 9% perf-profile.children.cycles-pp.perf_mmap__push
1.00 ± 4% -0.2 0.76 ± 10% perf-profile.children.cycles-pp.__GI___libc_write
0.16 ± 10% -0.1 0.07 ± 60% perf-profile.children.cycles-pp.hrtimer_run_queues
0.15 ± 22% -0.1 0.09 ± 20% perf-profile.children.cycles-pp.run_posix_cpu_timers
0.33 ± 8% -0.1 0.27 ± 4% perf-profile.children.cycles-pp.rcu_irq_enter
0.04 ± 71% +0.0 0.07 ± 5% perf-profile.children.cycles-pp.path_lookupat
0.04 ± 71% +0.0 0.08 ± 10% perf-profile.children.cycles-pp.filename_lookup
0.20 ± 22% +0.0 0.25 ± 15% perf-profile.children.cycles-pp.tick_program_event
0.20 ± 23% +0.1 0.26 ± 15% perf-profile.children.cycles-pp.cmd_stat
0.02 ±141% +0.1 0.08 ± 15% perf-profile.children.cycles-pp.vsnprintf
0.00 +0.1 0.06 ± 14% perf-profile.children.cycles-pp.lookup_fast
0.12 ± 26% +0.1 0.18 ± 15% perf-profile.children.cycles-pp.enqueue_entity
0.03 ±141% +0.1 0.09 ± 39% perf-profile.children.cycles-pp.pagevec_lru_move_fn
0.02 ±141% +0.1 0.09 ± 7% perf-profile.children.cycles-pp.__x64_sys_mprotect
0.02 ±141% +0.1 0.09 ± 7% perf-profile.children.cycles-pp.do_mprotect_pkey
0.19 ± 38% +0.1 0.26 ± 7% perf-profile.children.cycles-pp.update_min_vruntime
0.16 ± 29% +0.1 0.23 ± 16% perf-profile.children.cycles-pp.iov_iter_fault_in_readable
0.19 ± 5% +0.1 0.27 ± 27% perf-profile.children.cycles-pp.copy_process
0.25 ± 14% +0.1 0.33 ± 29% perf-profile.children.cycles-pp.__do_sys_clone
0.25 ± 14% +0.1 0.33 ± 29% perf-profile.children.cycles-pp._do_fork
0.12 ± 13% +0.1 0.21 ± 17% perf-profile.children.cycles-pp.activate_task
0.14 ± 18% +0.1 0.23 ± 23% perf-profile.children.cycles-pp.enqueue_task_fair
0.11 ± 29% +0.1 0.20 ± 41% perf-profile.children.cycles-pp.rebalance_domains
0.04 ± 71% +0.1 0.13 ± 43% perf-profile.children.cycles-pp.cpuacct_account_field
0.12 ± 22% +0.1 0.21 ± 16% perf-profile.children.cycles-pp.ttwu_do_activate
0.29 ± 10% +0.1 0.40 ± 24% perf-profile.children.cycles-pp.__libc_fork
0.00 +0.1 0.11 ± 48% perf-profile.children.cycles-pp.i40e_handle_lldp_event
0.00 +0.1 0.11 ± 48% perf-profile.children.cycles-pp.i40e_asq_send_command
0.33 ± 6% +0.1 0.44 ± 19% perf-profile.children.cycles-pp.forkshell
0.00 +0.1 0.11 ± 42% perf-profile.children.cycles-pp.i40e_clean_adminq_subtask
0.63 +0.1 0.75 ± 14% perf-profile.children.cycles-pp._raw_spin_lock_irq
0.02 ±141% +0.1 0.14 ± 62% perf-profile.children.cycles-pp.__x64_sys_poll
0.09 ± 13% +0.1 0.21 ± 51% perf-profile.children.cycles-pp.change_prot_numa
0.00 +0.1 0.12 ± 43% perf-profile.children.cycles-pp.i40e_service_task
0.57 ± 14% +0.1 0.70 ± 17% perf-profile.children.cycles-pp.handle_mm_fault
0.02 ±141% +0.1 0.15 ± 55% perf-profile.children.cycles-pp.poll
0.85 +0.2 1.07 ± 13% perf-profile.children.cycles-pp.interrupt_entry
1.55 ± 5% +0.3 1.80 ± 11% perf-profile.children.cycles-pp.read_tsc
0.49 ± 24% +0.3 0.76 ± 15% perf-profile.children.cycles-pp.reweight_entity
0.62 ± 10% +0.3 0.90 ± 29% perf-profile.children.cycles-pp._raw_spin_unlock_irqrestore
0.27 ± 28% +0.4 0.63 ± 33% perf-profile.children.cycles-pp.account_user_time
3.00 ± 5% +0.4 3.38 ± 5% perf-profile.children.cycles-pp.lapic_next_deadline
2.20 ± 8% +0.4 2.62 ± 10% perf-profile.children.cycles-pp.update_curr
1.58 ± 15% +0.6 2.13 ± 8% perf-profile.children.cycles-pp.__intel_pmu_enable_all
0.31 ±141% +0.6 0.90 ± 39% perf-profile.children.cycles-pp.wake_up_klogd_work_func
4.11 ± 9% +1.0 5.07 ± 7% perf-profile.children.cycles-pp.native_write_msr
3.62 ± 15% +1.1 4.68 ± 12% perf-profile.children.cycles-pp.perf_mux_hrtimer_handler
3.95 ± 3% +1.7 5.70 ± 29% perf-profile.children.cycles-pp.hrtimer_active
34.98 ± 5% +3.2 38.18 ± 5% perf-profile.children.cycles-pp.tick_sched_timer
15.44 +3.7 19.12 ± 18% perf-profile.children.cycles-pp.scheduler_tick
41.67 ± 5% +4.8 46.49 ± 6% perf-profile.children.cycles-pp.__hrtimer_run_queues
19.36 ± 3% +5.8 25.18 ± 23% perf-profile.children.cycles-pp.update_process_times
0.33 ± 8% -0.1 0.27 ± 7% perf-profile.self.cycles-pp.rcu_irq_enter
0.15 ± 23% -0.1 0.09 ± 20% perf-profile.self.cycles-pp.run_posix_cpu_timers
0.20 ± 22% +0.0 0.24 ± 13% perf-profile.self.cycles-pp.tick_program_event
0.10 ± 12% +0.1 0.17 ± 23% perf-profile.self.cycles-pp.unmap_page_range
0.07 ± 30% +0.1 0.13 ± 31% perf-profile.self.cycles-pp.rcu_irq_exit
0.00 +0.1 0.06 ± 20% perf-profile.self.cycles-pp.select_idle_sibling
0.18 ± 35% +0.1 0.26 ± 7% perf-profile.self.cycles-pp.update_min_vruntime
0.04 ± 71% +0.1 0.13 ± 43% perf-profile.self.cycles-pp.cpuacct_account_field
0.05 ± 78% +0.1 0.14 ± 49% perf-profile.self.cycles-pp.change_pte_range
0.20 ± 21% +0.1 0.32 ± 19% perf-profile.self.cycles-pp.irq_exit
0.13 ± 3% +0.1 0.27 ± 29% perf-profile.self.cycles-pp.copy_user_enhanced_fast_string
0.37 ± 31% +0.2 0.57 ± 21% perf-profile.self.cycles-pp.reweight_entity
0.84 ± 2% +0.2 1.07 ± 13% perf-profile.self.cycles-pp.interrupt_entry
0.62 ± 8% +0.3 0.87 ± 29% perf-profile.self.cycles-pp._raw_spin_unlock_irqrestore
1.49 ± 6% +0.3 1.75 ± 9% perf-profile.self.cycles-pp.read_tsc
0.22 ± 31% +0.3 0.50 ± 33% perf-profile.self.cycles-pp.account_user_time
1.47 +0.4 1.91 ± 13% perf-profile.self.cycles-pp.update_curr
4.10 ± 10% +1.0 5.05 ± 7% perf-profile.self.cycles-pp.native_write_msr
3.93 ± 3% +1.8 5.70 ± 29% perf-profile.self.cycles-pp.hrtimer_active
stress-ng.time.system_time
3500 +--------------------------------------------------------------------+
| O O O O O O O O O O O O O O O O |
3000 |..+..+..+..+.+..+..+..+..+..+..+..+.+..+..+..+..+..+ +.+..+ |
| : : |
2500 |-+ : : |
| : : |
2000 |-+ : : |
| : : |
1500 |-+ : : |
| : : |
1000 |-+ : : |
| : : |
500 |-+ :: |
| : |
0 +--------------------------------------------------------------------+
stress-ng.time.minor_page_faults
1.4e+09 +-----------------------------------------------------------------+
|..+..+.+..+..+..+.+..+..+..+.+..+..+..+.+..+..+..+ +..+..+ |
1.2e+09 |-+ : : |
| : : |
1e+09 |-+ : : |
| : : |
8e+08 |-+ : : |
| : : |
6e+08 |-+ : : |
| : : |
4e+08 |-+ : : |
| :: |
2e+08 |-+O O O O O O O O O O O O O O O O O : O O O O |
| : |
0 +-----------------------------------------------------------------+
stress-ng.icache.ops
1.4e+06 +-----------------------------------------------------------------+
| .+.. |
1.2e+06 |..+..+.+..+..+..+ +..+..+.+..+..+..+.+..+..+..+ +..+..+ |
| : : |
1e+06 |-+ : : |
| : : |
800000 |-+ : : |
| : : |
600000 |-+ : : |
| : : |
400000 |-+ : : |
| :: |
200000 |-+O O O O O O O O O O O O O O O O O :: O O O O |
| : |
0 +-----------------------------------------------------------------+
stress-ng.icache.ops_per_sec
45000 +-------------------------------------------------------------------+
|..+..+..+.+..+..+..+..+..+.+..+..+..+..+..+.+..+..+ +..+.+ |
40000 |-+ : : |
35000 |-+ : : |
| : : |
30000 |-+ : : |
25000 |-+ : : |
| : : |
20000 |-+ : : |
15000 |-+ : : |
| : : |
10000 |-+ : : |
5000 |-+O O O O O O O O O O O O O O O O O : O O O O |
| : |
0 +-------------------------------------------------------------------+
[*] bisect-good sample
[O] bisect-bad sample
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,
Rong Chen
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