Re: [LKP] [mm] 3484b2de949: -46.2% aim7.jobs-per-min

2015-02-27 Thread Huang Ying
On Fri, 2015-02-27 at 11:53 +, Mel Gorman wrote: On Fri, Feb 27, 2015 at 03:21:36PM +0800, Huang Ying wrote: FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 3484b2de9499df23c4604a513b36f96326ae81ad (mm: rearrange

Re: [LKP] [mm] 3484b2de949: -46.2% aim7.jobs-per-min

2015-02-27 Thread Huang Ying
On Sat, 2015-02-28 at 10:30 +0800, Huang Ying wrote: On Sat, 2015-02-28 at 01:46 +, Mel Gorman wrote: On Fri, Feb 27, 2015 at 03:21:36PM +0800, Huang Ying wrote: FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit

Re: [LKP] [mm] 3484b2de949: -46.2% aim7.jobs-per-min

2015-02-27 Thread Huang Ying
On Sat, 2015-02-28 at 01:46 +, Mel Gorman wrote: On Fri, Feb 27, 2015 at 03:21:36PM +0800, Huang Ying wrote: FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 3484b2de9499df23c4604a513b36f96326ae81ad (mm: rearrange

[LKP] [mm] 3484b2de949: -46.2% aim7.jobs-per-min

2015-02-26 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 3484b2de9499df23c4604a513b36f96326ae81ad (mm: rearrange zone fields into read-only, page alloc, statistics and page reclaim lines) The perf cpu-cycles for spinlock (zone-lock)

Re: [LKP] [mm] 3484b2de949: -46.2% aim7.jobs-per-min

2015-03-04 Thread Huang Ying
Hi, Mel, On Sat, 2015-02-28 at 15:30 +0800, Huang Ying wrote: On Sat, 2015-02-28 at 01:46 +, Mel Gorman wrote: On Fri, Feb 27, 2015 at 03:21:36PM +0800, Huang Ying wrote: FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

[LKP] [vmstat] ba4877b9ca5: not primary result change, -62.5% will-it-scale.time.involuntary_context_switches

2015-02-25 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit ba4877b9ca51f80b5d30f304a46762f0509e1635 (vmstat: do not use deferrable delayed work for vmstat_update) testbox/testcase/testparams: wsm/will-it-scale/performance-malloc1

[LKP] [mm] 4d942466994: +4.8% will-it-scale.per_process_ops

2015-02-25 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 4d9424669946532be754a6e116618dcb58430cb4 (mm: convert p[te|md]_mknonnuma and remaining page table manipulations) testbox/testcase/testparams:

[LKP] [drm/i915] 3f678c96abb: piglit.igt/kms_cursor_crc/cursor-64-offscreen.fail

2015-02-25 Thread Huang Ying
FYI, we noticed the below changes on git://anongit.freedesktop.org/drm-intel for-linux-next commit 3f678c96abb43a977d2ea41aefccdc49e8a3e896 (drm/i915: Switch planes from transitional helpers to full atomic helpers) testbox/testcase/testparams: lkp-t410/piglit/performance-igt-035

[LKP] [mm] 8a0516ed8b9: -1.7% netperf.Throughput_Mbps, +2189.6% netperf.time.minor_page_faults, +3987.5% proc-vmstat.numa_pte_updates

2015-02-25 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 8a0516ed8b90c95ffa1363b420caa37418149f21 (mm: convert p[te|md]_numa users to p[te|md]_protnone_numa) testbox/testcase/testparams:

[LKP] [drm/i915] f9b61ff6bce: +178.7% piglit.time.elapsed_time

2015-02-25 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit f9b61ff6bce9a44555324b29e593fdffc9a115bc (drm/i915: Push vblank enable/disable past encoder-enable/disable) testbox/testcase/testparams: lkp-t410/piglit/performance-igt-069

[LKP] [futex] 76835b0ebf8: -8.1% will-it-scale.per_thread_ops

2015-02-25 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 76835b0ebf8a7fe85beb03c75121419a7dec52f0 (futex: Ensure get_futex_key_refs() always implies a barrier) testbox/testcase/testparams: lkp-wsx01/will-it-scale/performance-futex4

Re: [LKP] [futex] 76835b0ebf8: -8.1% will-it-scale.per_thread_ops

2015-02-26 Thread Huang Ying
Hi, Catalin, On Thu, 2015-02-26 at 09:58 +, Catalin Marinas wrote: On Thu, Feb 26, 2015 at 05:16:53AM +, Huang Ying wrote: FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 76835b0ebf8a7fe85beb03c75121419a7dec52f0

Re: [LKP] [xfs] 834ffca6f7e: WARNING: CPU: 3 PID: 23390 at fs/xfs/xfs_file.c:700 xfs_file_dio_aio_write+0x27c/0x2e0()

2015-03-26 Thread Huang Ying
On Fri, 2015-03-27 at 08:22 +1100, Dave Chinner wrote: On Thu, Mar 26, 2015 at 02:45:19PM +0800, Huang Ying wrote: FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 834ffca6f7e345a79f6f2e2d131b0dfba8a4b67a (xfs: don't zero

Re: [LKP] [x86/platform, acpi] 7486341a98f: genirq: Flags mismatch irq 8. 00000080 (mmc0) vs. 00000000 (rtc0)

2015-03-23 Thread Huang Ying
On Mon, 2015-03-23 at 14:18 +0800, Li, Aubrey wrote: On 2015/3/20 16:38, Huang Ying wrote: FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 7486341a98f26857f383aec88ffa10950087c3a1 (x86/platform, acpi: Bypass legacy

[LKP] [timer] 17cdf560f27: +4.0% boot-meminfo.VmallocUsed

2015-04-01 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/linux.git timer/alloc_tvec_statically commit 17cdf560f2727f687ab159707d0aa591f8a2f82d (timer: Allocate per-cpu tvec_base's statically) testbox/testcase/testparams: lkp-sbx04/boot/performance-1

[LKP] [PM / sleep] 38106313324: -48.0% turbostat.PkgWatt

2015-04-21 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 3810631332465d967ba5e27ea2c7dff2c9afac6c (PM / sleep: Re-implement suspend-to-idle handling) testbox/testcase/testparams: lkp-sb03/suspend/300s-30x-freeze 18320f2a6871aaf2

[LKP] [RAID5] 878ee679279: -1.8% vmstat.io.bo, +40.5% perf-stat.LLC-load-misses

2015-04-23 Thread Huang Ying
FYI, we noticed the below changes on git://neil.brown.name/md for-next commit 878ee6792799e2f88bdcac329845efadb205252f (RAID5: batch adjacent full stripe write) testbox/testcase/testparams: lkp-st02/dd-write/300-5m-11HDD-RAID5-cfq-xfs-1dd a87d7f782b47e030 878ee6792799e2f88bdcac3298

[LKP] [ocfs2] e2ac55b6a8e: ocfs2_init:1612 ERROR: Unable to create ocfs2 debugfs root

2015-04-19 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit e2ac55b6a8e337fac7cc59c6f452caac92ab5ee6 (ocfs2: incorrect check for debugfs returns) We found something as below in dmesg. [1.225136] VFS: Disk quotas dquot_6.5.2 [

[LKP] [f2fs] 465a05fecc2: +147.3% fsmark.files_per_sec

2015-04-19 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit 465a05fecc2c7921d50f33cd10621abc049cbabf (f2fs: enable inline data by default) testbox/testcase/testparams: lkp-st02/fsmark/1x-32t-1HDD-f2fs-9B-400M-fsyncBeforeClose-16d-256fpd

Re: [LKP] [ocfs2] e2ac55b6a8e: ocfs2_init:1612 ERROR: Unable to create ocfs2 debugfs root

2015-04-19 Thread Huang Ying
, or auto select it. I see. Thanks for explanation! Best Regards, Huang, Ying Chengyu On Apr 19, 2015, at 11:25 PM, Huang Ying ying.hu...@intel.com wrote: FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit

[LKP] [x86/xsaves] 00abd21851c: Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000b00

2015-04-20 Thread Huang Ying
FYI, we noticed the below changes on https://github.com/fyu1/linux.git xsaves_fix_1 commit 00abd21851c30b12b8463a337c920cdc0aa7e2d1 (x86/xsaves: Define and use user_xstate_size for xstate size in signal context)

Re: [LKP] [fanotify] 66ba93c0d7f: i6300esb: Unexpected close, not stopping watchdog!

2015-05-03 Thread Huang Ying
Hi, Andrew, Sorry for late. I am in vacation in last week. On Fri, 2015-04-24 at 10:42 -0700, Andrew Morton wrote: On Thu, 23 Apr 2015 14:25:38 +0800 Huang Ying ying.hu...@intel.com wrote: FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds

Re: [LKP] [mtd] 6b44d910ae7: WARNING: CPU: 0 PID: 0 at kernel/locking/lockdep.c:3547 check_flags+0xae/0x17b()

2015-05-03 Thread Huang Ying
On Tue, 2015-04-28 at 23:37 +0200, Frans Klaver wrote: On Thu, Apr 16, 2015 at 01:27:14PM +0800, Huang Ying wrote: FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit 6b44d910ae7de5316fcf1fc828ff4a8d48cac5e2 (mtd: core: set

[LKP] [fs] 04b2fa9f8f3: +2.2% unixbench.score

2015-05-05 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 04b2fa9f8f36ec6fb6fd1c9dc9df6fff0cd27323 (fs: split generic and aio kiocb) testbox/testcase/testparams: ivb42/unixbench/performance-pipe 599bd19bdc4c6b20

[LKP] [mm] c1c2ee950be: PANIC: early exception 06 rip 10:ffffffff811de134 error 0 cr2 ffff880005728000

2015-05-05 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit c1c2ee950beab73909ab0dbeb75a235e174d5301 (mm: meminit: reduce number of times pageblocks are set during struct page init) +--+++ |

[LKP] [GRE] c5441932145: IP-Config: Failed to open gretap0

2015-05-05 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit c54419321455631079c7d6e60bc732dd0c5914c5 (GRE: Refactor GRE tunneling code.) After the commit, we found the following message in kernel log: [1.935578] IP-Config: Failed to

[LKP] [sched] eae3e9e8843: +36.8% pigz.throughput

2015-05-10 Thread Huang Ying
FYI, we noticed the below changes on git://bee.sh.intel.com/git/ydu19/linux rewrite-v7-on-4.1-rc1 commit eae3e9e8843146e7e1cc77bd943e5f8138b61314 (sched: Rewrite per entity runnable load average tracking) testcase/path_params/tbox_group: pigz/performance-100%-128K/lkp-nex06 40fa32019d8574cb

[LKP] [mm/slab_common] 8dbaaff323f: kernel BUG at mm/slab.c:2276!

2015-05-15 Thread Huang Ying
FYI, we noticed the below changes on git://git.cmpxchg.org/linux-mmotm.git master commit 8dbaaff323f0621832a5594d100664584290699b (mm/slab_common: support the slub_debug boot option on specific object size) +--+++ |

[LKP] [x86/smpboot] f5d6a52f511: BUG: kernel boot hang

2015-05-12 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/apic commit f5d6a52f511157c7476590532a23b5664b1ed877 (x86/smpboot: Skip delays during SMP initialization similar to Xen)

[LKP] [hrtimer] 021515523d1: BUG: kernel boot crashed

2015-04-15 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/wip commit 021515523d1fd3f9e239a1bb4761882703cac9b0 (hrtimer: Get rid of hrtimer softirq) +---+++ |

[LKP] [futex] 1d0dcb3ad9d: No primary result change, +9.6% will-it-scale.time.involuntary_context_switches, +32.2% will-it-scale.time.user_time, -4.8% will-it-scale.time.system_time

2015-05-19 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core commit 1d0dcb3ad9d336e6d6ee020a750a7f8d907e28de (futex: Implement lockless wakeups) testcase/path_params/tbox_group: will-it-scale/powersave-pthread_mutex1/lituya 7675104990ed255b

[lkp] [sched/preempt] b30f0e3ffed: kernel BUG at kernel/sched/core.c:2662!

2015-06-04 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit b30f0e3ffedfa52b1d67a302ae5860c49998e5e2 (sched/preempt: Optimize preemption operations on __schedule() callers)

[lkp] [usb] 56aa45adcc5: Fixed: WARNING: at kernel/mutex.c:199 mutex_lock_nested+0x121/0x349()

2015-06-25 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 56aa45adcc5b793369e535a4b7177f1c7314b577 (usb: gadget: make usb functions to load before gadget driver) This commit fixed an warning as below: [8.571726] [ cut

[lkp] [mm/slab_common] 3fdc20bb788:

2015-06-23 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit 3fdc20bb7880ce3611f0709ed857b98f7d689437 (mm/slab_common: support the slub_debug boot option on specific object size) [0.00] [ cut here ] [

[lkp] [drm/i915] 2def4ad99be: +182.8% piglit.time.system_time

2015-06-17 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit 2def4ad99befa25775dd2f714fdd4d92faec6e34 (drm/i915: Optimistically spin for the request completion)

[lkp] [jbd2] de92c8caf16: no primary result change, +270.9% vmstat.procs.b, -61.0% vmstat.procs.r

2015-06-17 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit de92c8caf16ca84926fa31b7a5590c0fb9c0d5ca (jbd2: speedup jbd2_journal_get_[write|undo]_access()) It appears that more processes are put in uninterruptible state after the commit.

Re: [lkp] [drm/i915] 7f072451f2d: [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun

2015-06-15 Thread Huang Ying
On Mon, 2015-06-15 at 11:01 +0200, Maarten Lankhorst wrote: Hey, Op 15-06-15 om 08:58 schreef Huang Ying: FYI, we noticed the below changes on git://anongit.freedesktop.org/drm-intel drm-intel-next-queued commit 7f072451f2d3d53e4f6939440e15ab36afed2051 (drm/i915: Implement

Re: [lkp] [x86/MSI] 52f518a3a7c: -30.5% netperf.Throughput_tps

2015-06-15 Thread Huang Ying
Hi, Gerry, On Tue, 2015-06-16 at 10:09 +0800, Jiang Liu wrote: On 2015/6/16 1:52, Thomas Gleixner wrote: On Mon, 15 Jun 2015, Huang Ying wrote: FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit

[lkp] [rcu] cd73ca21cd2: No primary result change, +47.6% aim7.time.involuntary_context_switches

2015-06-11 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit cd73ca21cd2bb3711b8d80ba74c90d37ef15fe4d (rcu: Force wakeup of rcu_gp_kthread at grace-period end) testcase/path_params/tbox_group: aim7/performance-100-fork_test/lkp-a03

[lkp] [block] fbccf1df065: +276.3% boot-meminfo.KernelStack

2015-05-31 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/mlin/linux.git block-generic-req commit fbccf1df06574add60bdb71103cc1662e477f02d (block: make generic_make_request handle arbitrarily sized bios) testcase/path_params/tbox_group: boot/1/vm-kbuild-1G

[lkp] [zswap] c00ed16a9eb: zswap: zpool creation failed

2015-07-01 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit c00ed16a9eb98a7fc076e227bdd95c1451ca1e6e (zswap: runtime enable/disable) The following new message in kernel log may make end user confusing: [5.296308] zswap: loading zswap

Re: [lkp] [iommu/vt] 571dbbd4d04: DMAR-IR: Failed to copy IR table for dmar1 from previous kernel

2015-07-02 Thread Huang Ying
On Thu, 2015-07-02 at 08:39 +0200, Joerg Roedel wrote: On Thu, Jul 02, 2015 at 01:14:18PM +0800, Huang Ying wrote: FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 571dbbd4d044e11c78bc077acb3ccef4c77b096e (iommu/vt-d

Re: [lkp] [usb] 56aa45adcc5: Fixed: WARNING: at kernel/mutex.c:199 mutex_lock_nested+0x121/0x349()

2015-06-28 Thread Huang Ying
On Fri, 2015-06-26 at 11:01 -0500, Felipe Balbi wrote: Hi, On Fri, Jun 26, 2015 at 10:32:30AM +0800, Huang Ying wrote: FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 56aa45adcc5b793369e535a4b7177f1c7314b577 (usb

Re: [lkp] [rhashtable] 9d901bc0515: WARNING: CPU: 0 PID: 1 at arch/x86/mm/ioremap.c:63 __ioremap_check_ram+0x6a/0x99()

2015-08-21 Thread Huang Ying
careful next time. Best Regards, Huang, Ying -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

[lkp] [phy] 1c14905ef95: kernel BUG at drivers/base/driver.c:153!

2015-07-14 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 1c14905ef951fb968c8da90e4e64be02c309a2ae (phy: add driver for TI TUSB1210 ULPI PHY) +--+++

[lkp] [sched/tip] 30874f21ed9: No primary result change, +195.6% fileio.time.minor_page_faults

2015-07-14 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/core commit 30874f21ed9bf392ca910600df8bb1dbfd9beabb (sched/tip:Prefer numa hotness over cache hotness)

[lkp] [block] 86ecb9456ac:

2015-07-14 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/mlin/linux.git block-generic-req commit 86ecb9456ac74ba3996d05ca1b09a7756a31bfd7 (block: make generic_make_request handle arbitrarily sized bios) We found the following new message in kernel log, do you increase

[lkp] [torture] 945fa9c631b: BUG: unable to handle kernel NULL pointer dereference at (null)

2015-07-14 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 945fa9c631b04febe295a3a2a00c7e4a3cfb97db (torture: Dump ftrace buffer when the RCU grace period stalls) We think the commit may reveal a existing bug.

[lkp] [driver] 240d94dae48: BUG: unable to handle kernel NULL pointer dereference at (null)

2015-07-13 Thread Huang Ying
FYI, we noticed the below changes on git://git.collabora.co.uk/git/user/tomeu/linux.git ordered-probing-v3 commit 240d94dae48c0e526898bb54639622ca897323c9 (driver-core: probe dependencies before probing) ++++

[lkp] [x86/entry/64] 62c79204783: 5.9% aim7.jobs-per-min

2015-07-13 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git x86/entry commit 62c79204783e188291d880f23d49c02d8c8f498b (x86/entry/64: When returning via SYSRET, POP regs instead of using MOV)

[lkp] [of] 649e0a77e28:

2015-07-13 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 649e0a77e28a7796bf62bfda0fe3f2aee094bd58 (of: make unittest select OF_EARLY_FLATTREE instead of depend on it) The following new message in kernel log may make end user confuse. [

[lkp] [ipv6] 9131f3de24d: BUG: KASan: out of bounds access in ipv6_dev_get_saddr+0x1aa/0x228 at addr ffff88003c1b54e8

2015-07-15 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master commit 9131f3de24db4dc12199aede7d931e6703e97f3b (ipv6: Do not iterate over all interfaces when finding source address on specific interface.) [ 146.317245] systemd-journald[237]:

Re: [PATCH] GHES: Fix cached error-status

2015-10-25 Thread Huang, Ying
cache->time_in should be the first. So if we found one cache with too small (old) cache->time_in, we can say there are no cache with same contents and bigger (newer) cache->time_in, so that we can make decision (break) earlier. Best Regards, Huang, Ying -- To unsubscribe from

Re: [PATCH] GHES: Fix cached error-status

2015-10-25 Thread Huang, Ying
Borislav Petkov <b...@suse.de> writes: > On Mon, Oct 26, 2015 at 11:20:35AM +0800, Huang, Ying wrote: >> In ghes_estatus_caches[], for caches with same contents, the cache with >> biggest (newest) cache->time_in should be the first. So if we found one >> cache with

Re: [LKP] [lkp] [KVM] 0c32e5dd82: stderr: KVM: entry failed, hardware error 0x80000021

2015-11-09 Thread Huang, Ying
t; patch in any tree currently, which tree you are testing against? We test patches from LKML directly now :) Best Regards, Huang, Ying -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

Re: [PATCH] tmpfs: avoid a little creat and stat slowdown

2015-11-13 Thread Huang, Ying
Hugh Dickins <hu...@google.com> writes: > On Wed, 4 Nov 2015, Huang, Ying wrote: >> Hugh Dickins <hu...@google.com> writes: >> >> > LKP reports that v4.2 commit afa2db2fb6f1 ("tmpfs: truncate prealloc >> > blocks past i_size") cause

Re: [lkp] [x86/numachip] db1003a719: BUG: kernel early-boot hang

2015-11-13 Thread Huang, Ying
p Numachip support", building with the same config > (though with GCC 5.2.1), it boots just peachy with the same args. > > The patch itself is conservative, so I can't see how it could cause > early boot hangs. Have you seen this kind of issue before, or is this > the first

Re: [lkp] [directio] 15c4f638f3: WARNING: CPU: 3 PID: 8363 at kernel/sched/core.c:7533 __might_sleep+0x9f/0xb0()

2015-11-16 Thread Huang, Ying
red_fn+0x20/0x20 [btrfs] >> [ 151.849372] [] generic_file_read_iter+0x488/0x5b0 >> [ 151.850466] [] ? >> lru_cache_add_active_or_unevictable+0x27/0x90 >> [ 151.852036] [] __vfs_read+0xa7/0xd0 >> [ 151.852960] [] vfs_read+0x86/0x130 >> [ 151.853911] [

Re: [lkp] [mm, page_alloc] 43993977ba: +88% OOM possibility

2015-10-30 Thread Huang, Ying
7f682342fc6ff635 ("mm, page_alloc: >> distinguish between being unable to sleep, unwilling to sleep and >> avoiding waking kswapd") >> >> We found the OOM possibility increased 88% in a virtual machine with 1G >> memory. > > Could you provide dmesg output fro

Re: [lkp] [mm, page_alloc] 43993977ba: +88% OOM possibility

2015-11-01 Thread Huang, Ying
Michal Hocko <mho...@kernel.org> writes: > On Fri 30-10-15 16:21:40, Huang, Ying wrote: >> Michal Hocko <mho...@kernel.org> writes: >> >> > On Wed 28-10-15 13:36:02, kernel test robot wrote: >> >> FYI, we noticed the below changes on >> >

Re: [PATCH] tmpfs: avoid a little creat and stat slowdown

2015-11-03 Thread Huang, Ying
20% -9.1% 88.33 ± 28%-100.0% 0.00 ± -1% slabinfo.user_namespace.active_objs 97.17 ± 20% -9.1% 88.33 ± 28%-100.0% 0.00 ± -1% slabinfo.user_namespace.num_objs Best Regards, Huang, Ying -- To unsubscribe from this list: send the line "unsubscribe

Re: [lkp] [mm, page_alloc] 43993977ba: +88% OOM possibility

2015-11-02 Thread Huang, Ying
Michal Hocko <mho...@kernel.org> writes: > On Mon 02-11-15 07:20:37, Huang, Ying wrote: >> Michal Hocko <mho...@kernel.org> writes: >> >> > On Fri 30-10-15 16:21:40, Huang, Ying wrote: >> >> Michal Hocko <mho...@kernel.org> writes: >> &

Re: [LKP] [lkp] [string] 5f6f0801f5: BUG: KASan: out of bounds access in strlcpy+0xc8/0x250 at addr ffff88011a666ee0

2015-10-12 Thread Huang, Ying
agent_write+0x67/0xa0 [ 22.242067] [] cgroup_file_write+0x75/0x180 [ 22.242067] [] ? cgroup_init_cftypes+0x160/0x160 [ 22.242067] [] kernfs_fop_write+0x17e/0x210 [ 22.242067] [] __vfs_write+0x57/0x170 [ 22.242067] [] ? preempt_count_sub+0x13/0xe0 [ 22.242067] [] ? update_fast_ctr+

Re: [lkp] [sched/fair] 98d8fd8126: -20.8% hackbench.throughput

2015-10-13 Thread Huang, Ying
et.yaml > > 2015-10-12 19:27:20 /usr/bin/hackbench -g 8 --threads -l 6 > Running in threaded mode with 8 groups using 40 file descriptors each > (== 320 tasks) > Each sender will pass 6 messages of 100 bytes > ... > wait for background monitors: perf-profile uptime proc

[lkp] [thp] 79553da293d: +1.8% fileio.time.file_system_inputs

2015-07-07 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 79553da293d38d63097278de13e28a3b371f43c1 (thp: cleanup khugepaged startup) =

[lkp] [Btrfs] c9dc4c65785: +9.8% fsmark.files_per_sec

2015-07-07 Thread Huang Ying
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit c9dc4c6578502c2085705347375b82089aad18d0 (Btrfs: two stage dirty block group writeout) testcase/path_params/tbox_group: fsmark/performance-1x-1t-1HDD-btrfs-4M-60G-NoSync/ivb44

Re: [lkp] [x86/build] b2c51106c75: -18.1% will-it-scale.per_process_ops

2015-09-01 Thread Huang Ying
t_time 155259 ± 0% +0.0% 155259 ± 0% -42.2% 89723 ± 0% sched_debug.sysctl_sched.sysctl_sched_features Best Regards, Huang, Ying -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org Mor

Re: [lkp] [net] 192132b9a0: -17.5% netperf.Throughput_tps

2015-09-29 Thread Huang, Ying
David Ahern <d...@cumulusnetworks.com> writes: > On 9/23/15 6:37 PM, Huang Ying wrote: >>> >>> I take it you have CONFIG_NET_VRF enabled. correct? >>> >>> With it disabled I see no relevant change in performance between >>> 8f58336d3f78 and

Re: [lkp] [nfsd] 4aac1bf05b: -2.9% fsmark.files_per_sec

2015-09-29 Thread Huang, Ying
s a sign > that it's resolved? Can you provide the branch name and commit ID for your tree with fix? I can confirm whether it is fixed for you. Best Regards, Huang, Ying -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

Re: [lkp] [nfsd] 4aac1bf05b: -2.9% fsmark.files_per_sec

2015-09-30 Thread Huang, Ying
Jeff Layton <jeff.lay...@primarydata.com> writes: > On Wed, 30 Sep 2015 07:27:54 +0800 > "Huang\, Ying" <ying.hu...@linux.intel.com> wrote: > >> Jeff Layton <jeff.lay...@primarydata.com> writes: >> >> > On Mon, 28 Sep 2015 14:49:32

Re: [4.2, Regression] Queued spinlocks cause major XFS performance regression

2015-09-28 Thread huang ying
Hi, Waiman, On Mon, Sep 28, 2015 at 10:30 PM, Waiman Long <waiman.l...@hpe.com> wrote: > > On 09/28/2015 04:54 AM, huang ying wrote: > > Hi, Peter > > On Fri, Sep 4, 2015 at 7:32 PM, Peter Zijlstra <pet...@infradead.org> wrote: >> >> On Fri, Sep 04, 20

Re: [lkp] [net] 192132b9a0: -17.5% netperf.Throughput_tps

2015-09-20 Thread Huang Ying
on the end. Will fix the script. > > Also, this is the end patch of a series that first refactors and then > adds a capability. The more relevant comparison is 8f58336d3f78 to > 192132b9a034 (8f58336d3f78 is the co

Re: [lkp] [mm, page_alloc] d0164adc89: -100.0% fsmark.app_overhead

2015-12-03 Thread Huang, Ying
: Unable to allocate memory on node -1 (gfp=0x208) [ 55.135607] cache: kmalloc-2048, object size: 2048, buffer size: 2048, default order: 3, min order: 0 [ 55.138454] node 0: slabs: 22, objs: 352, free: 0 Best Regards, Huang, Ying dmesg.xz Description: application/xz

Re: [lkp] [mm, page_alloc] d0164adc89: -100.0% fsmark.app_overhead

2015-12-03 Thread Huang, Ying
Mel Gorman <mgor...@techsingularity.net> writes: > On Thu, Dec 03, 2015 at 04:46:53PM +0800, Huang, Ying wrote: >> Mel Gorman <mgor...@techsingularity.net> writes: >> >> > On Wed, Dec 02, 2015 at 03:15:29PM +0100, Michal Hocko wrote: >> >> > &

Re: [lkp] [f2fs] 9f88450ff1: stderr.mount:wrong_fs_type,bad_option,bad_superblock_on/dev/sda3

2015-12-14 Thread Huang, Ying
Do you need it? > > Thanks for the report! Could you please share dmesg and some info (e.g. > size..) > about storage device '/dev/sda3'. > The dmesg is attached. Best Regards, Huang, Ying dmesg.xz Description: application/xz

Re: [LKP] [lkp] [x86/irq] 4c24cee6b2: IP-Config: Auto-configuration of network failed

2015-12-13 Thread Huang, Ying
orting the same issue? No, there are no other systems reporting the same issue. I will queue more tests for make sure this is not a false positive. Best Regards, Huang, Ying > Thanks, > Gerry > > On 2015/12/11 15:49, kernel test robot wrote: >> FYI, we noticed the below changes o

Re: [LKP] [lkp] [f2fs] 75cd4e098d: xfstests.generic.042.fail

2016-01-03 Thread Huang, Ying
ects an zero-sized inode. So I supposed it happened due to the > different semantics of metadata flushing between f2fs and xfs. > > For 009, I haven't saw it failed for long time, did you test with last f2fs? We tested the specified commit, so you mean the latest f2fs-tools? Best Regards, Huang,

Re: [LKP] [lkp] [rcu] b8084f70e0: No primary result change, 1414.7% unixbench.time.involuntary_context_switches

2016-01-05 Thread Huang, Ying
ured on only for > -rt workloads. Yes. This is a performance degradation. > Or am I missing the plot somewhere here? Which plot? Best Regards, Huang, Ying > Thanx, Paul > >> ==

Re: [LKP] [net] ceb5d58b21: -69.2% fsmark.files_per_sec

2015-12-27 Thread Huang, Ying
ing numbers mean. > > Is your benchmark running faster (good thing) or slower (sorry, but we > fixed a bug) The benchmark running slower now. This has big impact on performance, maybe we can find some clue to optimize from the test result? The benchmark is about file IO perf

Re: [lkp] [mm, page_alloc] d0164adc89: -100.0% fsmark.app_overhead

2015-11-26 Thread Huang, Ying
% to 100% on this machine with small memory. I also added proc-vmstat information data too to help diagnose it. Best Regards, Huang, Ying -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

Re: [lkp] [mm, page_alloc] d0164adc89: -100.0% fsmark.app_overhead

2015-11-29 Thread Huang, Ying
Mel Gorman <mgor...@techsingularity.net> writes: > On Fri, Nov 27, 2015 at 09:14:52AM +0800, Huang, Ying wrote: >> Hi, Mel, >> >> Mel Gorman <mgor...@techsingularity.net> writes: >> >> > On Thu, Nov 26, 2015 at 08:56:12AM +0800, kernel test robo

Re: [lkp] [x86, perf] 7aba70e47c: BUG: unable to handle kernel paging request at 696d2f62

2015-11-18 Thread Huang, Ying
touches. > And seeing how its trinity triggering it, I suspect bisection fail. Thanks for reminding, we will check the bisection process. Best Regards, Huang, Ying -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

Re: [lkp] [x86, perf] 7aba70e47c: BUG: unable to handle kernel paging request at 696d2f62

2015-11-19 Thread Huang, Ying
Hi, Peter, Peter Zijlstra <pet...@infradead.org> writes: > On Thu, Nov 19, 2015 at 08:38:58AM +0800, Huang, Ying wrote: >> Hi, Peter, >> >> Peter Zijlstra <pet...@infradead.org> writes: >> >> > On Wed, Nov 18, 2015 at 02:33:00PM +0800, kernel t

Re: [LKP] [lkp] [x86, perf] 7aba70e47c: BUG: unable to handle kernel paging request at 696d2f62

2015-11-19 Thread Huang, Ying
shed the patch before to my tree (which is 0day tested) and there > was no such report (but of course trinity is somewhat random). > > BTW if you're going to test trinity for perf it may be better to use > Vince Weaver's version here > > https://github.com/deater/perf_event_tests

Re: [LKP] [lkp] [direct] e594571852: xfstests.generic.299.fail

2015-11-23 Thread Huang, Ying
found we have this feature in our test scripts already, just need to fix a bug in script, but that is just done yesterday! Please check the 299.full attached. Best Regards, Huang, Ying 299.full Description: Binary data

Re: [LKP] [lkp] [direct] e594571852: xfstests.generic.299.fail

2015-11-23 Thread Huang, Ying
we don't collect that data during regular regression test. Is that needed all the time? We will change our test scripts to collect that data. But that need some time. Best Regards, Huang, Ying -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body

Re: [LKP] [lkp] [mm] 5c0a85fad9: unixbench.score -6.3% regression

2016-06-08 Thread Huang, Ying
"Huang, Ying" <ying.hu...@intel.com> writes: > "Kirill A. Shutemov" <kirill.shute...@linux.intel.com> writes: > >> On Mon, Jun 06, 2016 at 10:27:24AM +0800, kernel test robot wrote: >>> >>> FYI, we noticed a -6.3

Re: [LKP] [lkp] [mm] 5c0a85fad9: unixbench.score -6.3% regression

2016-06-08 Thread Huang, Ying
loads 1.343e+13 ± 0% -6.0% 1.263e+13 ± 0% perf-stat.instructions 5.504e+08 ± 0% -6.2% 5.163e+08 ± 0% perf-stat.minor-faults 8.09e+08 ± 1% -9.0% 7.36e+08 ± 1% perf-stat.node-loads 5.932e+08 ± 0% -8.7% 5.417e+08 ± 1% perf-stat.node-stores 5.504e+08 ± 0% -6.2% 5.163e+08 ± 0% perf-stat.page-faults Best Regards, Huang, Ying

Re: [LKP] [lkp] [mm] 5c0a85fad9: unixbench.score -6.3% regression

2016-06-11 Thread Huang, Ying
"Kirill A. Shutemov" <kirill.shute...@linux.intel.com> writes: > On Wed, Jun 08, 2016 at 04:41:37PM +0800, Huang, Ying wrote: >> "Huang, Ying" <ying.hu...@intel.com> writes: >> >> > "Kirill A. Shutemov" <kirill.shute...@linux.i

Re: [LKP] [lkp] [mm] 5c0a85fad9: unixbench.score -6.3% regression

2016-06-13 Thread Huang, Ying
Linus Torvalds <torva...@linux-foundation.org> writes: > On Sat, Jun 11, 2016 at 5:49 PM, Huang, Ying <ying.hu...@intel.com> wrote: >> >> From perf profile, the time spent in page_fault and its children >> functions are almost same (7.85% vs 7.81%). So the tim

Re: [LKP] [lkp] [sched/fair] 53d3bc773e: hackbench.throughput -32.9% regression

2016-05-31 Thread Huang, Ying
Hi, Ingo, Part of the regression has been recovered in v4.7-rc1 from -32.9% to -9.8%. But there is still some regression. Is it possible for fully restore it? Details are as below. Best Regards, Huang, Ying

Re: [LKP] [lkp] [sched/fair] 53d3bc773e: hackbench.throughput -32.9% regression

2016-05-31 Thread Huang, Ying
Hi, Peter, Peter Zijlstra <pet...@infradead.org> writes: > On Tue, May 31, 2016 at 04:34:36PM +0800, Huang, Ying wrote: >> Hi, Ingo, >> >> Part of the regression has been recovered in v4.7-rc1 from -32.9% to >> -9.8%. But there is still some regression. Is

Re: [LKP] [lkp] [dcache_{readdir, dir_lseek}() users] 4e82901cd6: reaim.jobs_per_min -49.1% regression

2016-05-31 Thread Huang, Ying
h following parameters: >> cpufreq_governor=performance/iterations=4/nr_task=1600%/test=fserver > > [snip] > > Is there any way to get the profiles? Sorry, our perf-profile support is broken after upgrading perf-profile recently. We will restore it ASAP and send back to you the perf profile results. Best Regards, Huang, Ying

Re: [LKP] [lkp] [dcache_{readdir, dir_lseek}() users] 4e82901cd6: reaim.jobs_per_min -49.1% regression

2016-06-02 Thread Huang, Ying
"Huang, Ying" <ying.hu...@intel.com> writes: > Al Viro <v...@zeniv.linux.org.uk> writes: > >> On Tue, May 31, 2016 at 04:15:15PM +0800, kernel test robot wrote: >>> >>> >>> FYI, we noticed reaim.

Re: [LKP] [lkp] [sched/fair] 53d3bc773e: hackbench.throughput -32.9% regression

2016-06-01 Thread Huang, Ying
Mike Galbraith <umgwanakikb...@gmail.com> writes: > On Wed, 2016-06-01 at 16:53 +0800, Huang, Ying wrote: > >> You mean the commit is a functionality fix? > > Yup. > > These kind of things can be a bit annoying. The fix to not subtract > load that we never add

Re: [LKP] [lkp] [sched/fair] 53d3bc773e: hackbench.throughput -32.9% regression

2016-06-01 Thread Huang, Ying
Peter Zijlstra <pet...@infradead.org> writes: > On Wed, Jun 01, 2016 at 01:00:10PM +0800, Huang, Ying wrote: >> Hi, Peter, >> >> Peter Zijlstra <pet...@infradead.org> writes: >> >> > On Tue, May 31, 2016 at 04:34:36PM +0800, Huang, Ying wrote: >

Re: [LKP] [lkp] [mm] 5c0a85fad9: unixbench.score -6.3% regression

2016-06-17 Thread Huang, Ying
Minchan Kim <minc...@kernel.org> writes: > On Thu, Jun 16, 2016 at 03:27:44PM -0700, Huang, Ying wrote: >> Minchan Kim <minc...@kernel.org> writes: >> >> > On Thu, Jun 16, 2016 at 07:52:26AM +0800, Huang, Ying wrote: >> >> "Kirill A. Shutemov&

Re: [PATCH] MADVISE_FREE, THP: Fix madvise_free_huge_pmd return value after splitting

2016-06-17 Thread Huang, Ying
Minchan Kim <minc...@kernel.org> writes: > Hi, > > On Thu, Jun 16, 2016 at 08:03:54PM -0700, Huang, Ying wrote: >> From: Huang Ying <ying.hu...@intel.com> >> >> madvise_free_huge_pmd should return 0 if the fallback PTE operations are >> required. I

Re: [PATCH] MADVISE_FREE, THP: Fix madvise_free_huge_pmd return value after splitting

2016-06-20 Thread Huang, Ying
Minchan Kim <minc...@kernel.org> writes: > On Fri, Jun 17, 2016 at 12:45:43PM -0700, Huang, Ying wrote: >> Minchan Kim <minc...@kernel.org> writes: >> >> > Hi, >> > >> > On Thu, Jun 16, 2016 at 08:03:54PM -0700, Huang, Yi

Re: [PATCH] MADVISE_FREE, THP: Fix madvise_free_huge_pmd return value after splitting

2016-06-20 Thread Huang, Ying
Minchan Kim <minc...@kernel.org> writes: > On Fri, Jun 17, 2016 at 08:59:31AM -0700, Huang, Ying wrote: >> Minchan Kim <minc...@kernel.org> writes: >> >> > Hi, >> > >> > On Thu, Jun 16, 2016 at 08:03:54PM -0700, Huang, Yi

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