From: Mike Galbraith <efault@gmx.de>
To: paulmck@linux.vnet.ibm.com
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: TREE_SRCU slows hotplug by factor ~16
Date: Mon, 24 Apr 2017 09:35:03 +0200 [thread overview]
Message-ID: <1493019303.4617.6.camel@gmx.de> (raw)
In-Reply-To: <20170424062220.GZ3956@linux.vnet.ibm.com>
On Sun, 2017-04-23 at 23:22 -0700, Paul E. McKenney wrote:
> Could you please collect an ftrace (or whatever) showing the timestamp
> sequence of calls to synchronize_srcu(), synchronize_srcu_expedited(),
> and call_srcu() during the execution of the stress script? If it is easy
> to do, also the timestamp sequence of returns from synchronize_srcu()
> and synchronize_srcu_expedited()?
The first two minutes below config bits, trace_printk([enter/exit]) in
each function. If you (unlikely, but..) want the whole trace, holler.
# RCU Subsystem
CONFIG_TREE_RCU=y
CONFIG_RCU_EXPERT=y
CONFIG_SRCU=y
# CONFIG_CLASSIC_SRCU is not set
CONFIG_TREE_SRCU=y
# CONFIG_TASKS_RCU is not set
CONFIG_RCU_STALL_COMMON=y
CONFIG_RCU_FANOUT=64
CONFIG_RCU_FANOUT_LEAF=16
# CONFIG_RCU_FAST_NO_HZ is not set
# CONFIG_TREE_RCU_TRACE is not set
CONFIG_RCU_KTHREAD_PRIO=0
CONFIG_RCU_NOCB_CPU=y
CONFIG_RCU_NOCB_CPU_NONE=y
# CONFIG_RCU_NOCB_CPU_ZERO is not set
# CONFIG_RCU_NOCB_CPU_ALL is not set
# RCU Debugging
# CONFIG_PROVE_RCU is not set
# CONFIG_SPARSE_RCU_POINTER is not set
# CONFIG_RCU_PERF_TEST is not set
# CONFIG_RCU_TORTURE_TEST is not set
CONFIG_RCU_CPU_STALL_TIMEOUT=60
# CONFIG_RCU_TRACE is not set
# CONFIG_RCU_EQS_DEBUG is not set
# tracer: nop
#
# entries-in-buffer/entries-written: 229332/229332 #P:8
#
# _-----=> irqs-off
# / _----=> need-resched
# | / _---=> hardirq/softirq
# || / _--=> preempt-depth
# ||| / delay
# TASK-PID CPU# |||| TIMESTAMP FUNCTION
# | | | |||| | |
stress-cpu-hotp-2443 [004] .... 144.123608: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 144.123610: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 144.123612: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 144.139528: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 144.139646: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 144.139646: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 144.139648: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 144.155813: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 144.155981: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 144.155982: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 144.155983: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 144.172078: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 144.172234: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 144.172235: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 144.172237: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 144.188319: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 144.188465: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 144.188466: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 144.188468: call_srcu: exit
stress-cpu-hotp-2443 [002] .... 144.202528: synchronize_srcu: exit
stress-cpu-hotp-2443 [002] .... 144.202650: synchronize_srcu: enter
stress-cpu-hotp-2443 [002] .... 144.202651: call_srcu: enter
stress-cpu-hotp-2443 [002] .... 144.202652: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 144.219081: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 144.219238: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 144.219238: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 144.219240: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 144.235319: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 144.235567: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 144.235568: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 144.235571: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 144.251548: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 144.251706: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 144.251706: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 144.251708: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 144.267865: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 144.268132: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 144.268133: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 144.268136: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 144.284078: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 144.284257: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 144.284258: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 144.284260: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 144.300314: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 144.300462: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 144.300463: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 144.300464: call_srcu: exit
stress-cpu-hotp-2443 [002] .... 144.314533: synchronize_srcu: exit
stress-cpu-hotp-2443 [002] .... 144.314657: synchronize_srcu: enter
stress-cpu-hotp-2443 [002] .... 144.314658: call_srcu: enter
stress-cpu-hotp-2443 [002] .... 144.314659: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 144.331056: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 144.331227: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 144.331227: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 144.331229: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 144.347334: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 144.347517: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 144.347518: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 144.347519: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 144.363567: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 144.363731: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 144.363732: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 144.363733: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 144.379804: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 144.379987: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 144.379988: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 144.379989: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 144.396077: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 144.396259: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 144.396260: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 144.396261: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 144.412385: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 144.412653: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 144.412654: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 144.412657: call_srcu: exit
stress-cpu-hotp-2443 [002] .... 144.426647: synchronize_srcu: exit
stress-cpu-hotp-2443 [002] .... 144.426888: synchronize_srcu: enter
stress-cpu-hotp-2443 [002] .... 144.426889: call_srcu: enter
stress-cpu-hotp-2443 [002] .... 144.426891: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 144.443134: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 144.443325: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 144.443325: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 144.443327: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 144.459327: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 144.459521: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 144.459522: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 144.459524: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 144.475553: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 144.475672: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 144.475673: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 144.475674: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 144.491798: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 144.491919: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 144.491920: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 144.491921: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 144.508035: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 144.508160: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 144.508161: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 144.508162: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 144.524301: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 144.524419: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 144.524419: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 144.524421: call_srcu: exit
stress-cpu-hotp-2443 [002] .... 144.538545: synchronize_srcu: exit
stress-cpu-hotp-2443 [002] .... 144.538665: synchronize_srcu: enter
stress-cpu-hotp-2443 [002] .... 144.538666: call_srcu: enter
stress-cpu-hotp-2443 [002] .... 144.538667: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 144.555051: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 144.555174: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 144.555174: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 144.555175: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 144.571290: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 144.571412: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 144.571412: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 144.571413: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 144.587554: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 144.587672: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 144.587673: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 144.587674: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 144.603843: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 144.604008: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 144.604008: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 144.604010: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 144.620087: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 144.620317: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 144.620318: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 144.620321: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 144.636342: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 144.636520: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 144.636521: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 144.636523: call_srcu: exit
stress-cpu-hotp-2443 [002] .... 144.650579: synchronize_srcu: exit
stress-cpu-hotp-2443 [002] .... 144.650737: synchronize_srcu: enter
stress-cpu-hotp-2443 [002] .... 144.650738: call_srcu: enter
stress-cpu-hotp-2443 [002] .... 144.650739: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 144.667084: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 144.667247: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 144.667247: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 144.667249: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 144.683340: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 144.683513: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 144.683514: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 144.683516: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 144.699556: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 144.699675: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 144.699675: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 144.699676: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 144.715841: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 144.716013: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 144.716014: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 144.716015: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 144.732096: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 144.732269: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 144.732270: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 144.732271: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 144.748393: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 144.748641: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 144.748642: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 144.748645: call_srcu: exit
stress-cpu-hotp-2443 [002] .... 144.762639: synchronize_srcu: exit
stress-cpu-hotp-2443 [002] .... 144.762854: synchronize_srcu: enter
stress-cpu-hotp-2443 [002] .... 144.762855: call_srcu: enter
stress-cpu-hotp-2443 [002] .... 144.762857: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 144.779100: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 144.779278: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 144.779279: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 144.779280: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 144.795348: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 144.795525: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 144.795526: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 144.795527: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 144.811583: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 144.811749: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 144.811750: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 144.811751: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 144.827831: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 144.827997: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 144.827998: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 144.827999: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 144.844104: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 144.844281: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 144.844281: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 144.844283: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 144.860339: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 144.860484: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 144.860485: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 144.860487: call_srcu: exit
stress-cpu-hotp-2443 [002] .... 144.874584: synchronize_srcu: exit
stress-cpu-hotp-2443 [002] .... 144.874737: synchronize_srcu: enter
stress-cpu-hotp-2443 [002] .... 144.874737: call_srcu: enter
stress-cpu-hotp-2443 [002] .... 144.874739: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 144.891117: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 144.891459: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 144.891460: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 144.891463: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 144.907376: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 144.907628: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 144.907629: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 144.907631: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 144.923590: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 144.923756: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 144.923756: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 144.923758: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 144.939837: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 144.940007: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 144.940008: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 144.940009: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 144.956110: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 144.956285: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 144.956286: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 144.956287: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 144.972344: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 144.972492: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 144.972493: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 144.972495: call_srcu: exit
stress-cpu-hotp-2443 [002] .... 144.986566: synchronize_srcu: exit
stress-cpu-hotp-2443 [002] .... 144.986689: synchronize_srcu: enter
stress-cpu-hotp-2443 [002] .... 144.986689: call_srcu: enter
stress-cpu-hotp-2443 [002] .... 144.986690: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.003114: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.003292: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.003293: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.003294: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.019350: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.019528: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.019529: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.019531: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.035659: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.035939: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.035940: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.035943: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.051891: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.052106: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.052107: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.052109: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.068125: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.068279: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.068279: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.068280: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.084332: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.084472: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.084473: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.084474: call_srcu: exit
stress-cpu-hotp-2443 [002] .... 145.098605: synchronize_srcu: exit
stress-cpu-hotp-2443 [002] .... 145.098743: synchronize_srcu: enter
stress-cpu-hotp-2443 [002] .... 145.098744: call_srcu: enter
stress-cpu-hotp-2443 [002] .... 145.098745: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.114590: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.114728: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.114728: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.114729: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.130591: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.130728: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.130728: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.130730: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.147857: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.228078: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.228079: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.228080: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.244025: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.244106: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.244106: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.244107: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.260286: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.260361: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.260361: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.260362: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.274522: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.274594: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.274594: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.274595: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.291289: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.291358: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.291358: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.291359: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.307529: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.307599: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.307599: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.307600: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.323901: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.324063: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.324063: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.324065: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.340122: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.340288: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.340289: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.340291: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.356378: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.356519: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.356520: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.356521: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.370650: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.370797: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.370798: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.370799: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.387385: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.387547: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.387548: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.387549: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.403636: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.403799: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.403800: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.403802: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.419885: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.420055: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.420056: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.420057: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.436154: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.436372: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.436372: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.436374: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.452413: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.452550: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.452551: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.452552: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.466606: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.466721: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.466721: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.466722: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.483395: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.483555: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.483555: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.483557: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.499628: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.499761: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .N.. 145.499774: call_srcu: enter
stress-cpu-hotp-2443 [005] .N.. 145.499775: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.515879: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.516009: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.516009: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.516011: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.532164: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.532488: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.532489: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.532492: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.548447: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.548659: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.548660: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.548663: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.562706: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.562897: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.562898: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.562900: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.579403: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.579562: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.579563: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.579564: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.595636: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.595766: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.595766: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.595768: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.611902: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.612059: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.612060: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.612061: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.628136: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.628266: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.628267: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.628268: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.644392: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.644518: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.644519: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.644521: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.658609: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.658698: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.658699: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.658700: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.675410: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.675570: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.675571: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.675572: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.691706: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.691950: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.691951: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.691953: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.707926: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.708096: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.708097: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.708099: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.724154: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.724333: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.724333: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.724335: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.740412: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.740559: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.740559: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.740561: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.754685: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.754835: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.754836: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.754838: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.771415: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.771591: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.771592: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.771594: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.787635: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.787747: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.787748: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.787749: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.803943: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.804168: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.804170: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.804172: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.820168: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.820320: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.820321: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.820322: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.836412: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.836543: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.836544: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.836545: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.850638: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.850757: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.850757: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.850758: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.867433: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.867597: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.867598: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.867599: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.883680: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.883843: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.883843: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.883845: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.899908: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.900073: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.900073: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.900075: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.916213: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 145.916405: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.916406: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 145.916408: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.932453: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 145.932653: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.932653: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 145.932656: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.946674: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 145.946818: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.946819: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 145.946820: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.963402: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 145.963539: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.963540: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 145.963542: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.979671: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 145.979790: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.979790: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 145.979792: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.995927: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 145.996046: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.996046: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 145.996048: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 146.012167: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 146.012282: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 146.012283: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 146.012284: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 146.028405: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 146.028522: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 146.028522: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 146.028523: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 146.042653: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 146.042774: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 146.042774: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 146.042775: call_srcu: exit
stress-cpu-hotp-2443 [004] .... 146.059407: synchronize_srcu: exit
stress-cpu-hotp-2443 [004] .... 146.059521: synchronize_srcu: enter
stress-cpu-hotp-2443 [004] .... 146.059522: call_srcu: enter
stress-cpu-hotp-2443 [004] .... 146.059523: call_srcu: exit
stress-cpu-hotp-2443 [005] .... 146.075658: synchronize_srcu: exit
stress-cpu-hotp-2443 [005] .... 146.075772: synchronize_srcu: enter
stress-cpu-hotp-2443 [005] .... 146.075773: call_srcu: enter
stress-cpu-hotp-2443 [005] .... 146.075774: call_srcu: exit
stress-cpu-hotp-2443 [006] .... 146.091906: synchronize_srcu: exit
stress-cpu-hotp-2443 [006] .... 146.092021: synchronize_srcu: enter
stress-cpu-hotp-2443 [006] .... 146.092022: call_srcu: enter
stress-cpu-hotp-2443 [006] .... 146.092023: call_srcu: exit
stress-cpu-hotp-2443 [007] .... 146.108187: synchronize_srcu: exit
stress-cpu-hotp-2443 [007] .... 146.108336: synchronize_srcu: enter
stress-cpu-hotp-2443 [007] .... 146.108337: call_srcu: enter
stress-cpu-hotp-2443 [007] .... 146.108338: call_srcu: exit
stress-cpu-hotp-2443 [000] .... 146.124439: synchronize_srcu: exit
stress-cpu-hotp-2443 [000] .... 146.124572: synchronize_srcu: enter
stress-cpu-hotp-2443 [000] .... 146.124572: call_srcu: enter
stress-cpu-hotp-2443 [000] .... 146.124574: call_srcu: exit
stress-cpu-hotp-2443 [003] .... 146.138656: synchronize_srcu: exit
stress-cpu-hotp-2443 [003] .... 146.138773: synchronize_srcu: enter
stress-cpu-hotp-2443 [003] .... 146.138773: call_srcu: enter
stress-cpu-hotp-2443 [003] .... 146.138774: call_srcu: exit
next prev parent reply other threads:[~2017-04-24 7:35 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-24 2:48 TREE_SRCU slows hotplug by factor ~16 Mike Galbraith
2017-04-24 3:32 ` Paul E. McKenney
2017-04-24 5:24 ` Mike Galbraith
2017-04-24 6:22 ` Paul E. McKenney
2017-04-24 7:35 ` Mike Galbraith [this message]
2017-04-24 8:43 ` Mike Galbraith
2017-04-24 16:24 ` Paul E. McKenney
2017-04-25 22:36 ` Paul E. McKenney
2017-04-26 14:31 ` Paul E. McKenney
2017-04-26 15:26 ` Mike Galbraith
2017-04-26 15:44 ` Paul E. McKenney
2017-04-26 15:49 ` Mike Galbraith
2017-04-26 16:00 ` Paul E. McKenney
2017-04-26 17:45 ` Mike Galbraith
2017-04-26 17:55 ` Paul E. McKenney
2017-04-26 17:56 ` Paul E. McKenney
2017-04-26 18:12 ` Mike Galbraith
2017-04-26 18:25 ` Paul E. McKenney
2017-04-27 3:43 ` Mike Galbraith
2017-04-27 4:11 ` Paul E. McKenney
2017-04-27 4:15 ` Mike Galbraith
2017-04-27 5:32 ` Paul E. McKenney
2017-04-27 5:44 ` Mike Galbraith
2017-04-27 12:37 ` Paul E. McKenney
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1493019303.4617.6.camel@gmx.de \
--to=efault@gmx.de \
--cc=linux-kernel@vger.kernel.org \
--cc=paulmck@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.