-bash-3.2$ cat fork.output
# bin/../bin-i86pc/fork -E -C 200 -L -S -W -N fork_100 -B 100 -C 100
prc thr usecs/call samples errors cnt/samp
fork_100 1 1 28262.30682 101 0 100
#
# STATISTICS usecs/call (raw) usecs/call (outliers removed)
# min 19303.53724 24279.60363
# max 35682.69021 35682.69021
# mean 28843.85537 28938.31396
# median 28262.30682 28262.30682
# stddev 2480.86228 2301.52907
# standard error 245.64197 229.01070
# 99% confidence level 571.36322 532.67889
# skew 0.58140 1.31861
# kurtosis 2.43780 1.26418
# time correlation -11.92490 -17.95016
#
# elasped time 306.42171
# number of samples 101
# number of outliers 1
# getnsecs overhead 238
#
# DISTRIBUTION
# counts usecs/call means
# 1 24000.00000 |* 24279.60363
# 0 24400.00000 | -
# 0 24800.00000 | -
# 1 25200.00000 |* 25530.67435
# 1 25600.00000 |* 25864.52269
# 3 26000.00000 |***** 26215.47420
# 1 26400.00000 |* 26787.31801
# 6 26800.00000 |********** 26978.43441
# 10 27200.00000 |***************** 27416.17151
# 18 27600.00000 |******************************** 27814.69021
# 14 28000.00000 |************************ 28211.51786
# 14 28400.00000 |************************ 28605.96807
# 9 28800.00000 |**************** 28956.49312
# 0 29200.00000 | -
# 2 29600.00000 |*** 29739.01901
# 2 30000.00000 |*** 30155.75809
# 1 30400.00000 |* 30736.94535
# 1 30800.00000 |* 30986.33089
# 2 31200.00000 |*** 31505.32102
# 4 31600.00000 |******* 31914.32562
# 0 32000.00000 | -
# 1 32400.00000 |* 32642.88572
# 1 32800.00000 |* 32818.75299
# 1 33200.00000 |* 33557.53675
# 2 33600.00000 |*** 33778.43354
#
# 6 > 95% |********** 35025.72746
#
# mean of 95% 28553.84574
# 95th %ile 34268.24321
Workaround applied:-
-bash-3.2$ cat fork1.output
# bin/../bin-i86pc/fork -E -C 200 -L -S -W -N fork_100 -B 100 -C 100
prc thr usecs/call samples errors cnt/samp
fork_100 1 1 23881.74167 86 0 100
#
# STATISTICS usecs/call (raw) usecs/call (outliers removed)
# min 22510.65833 22510.65833
# max 49583.97639 26053.60615
# mean 24982.76488 24009.66137
# median 24098.16940 23881.74167
# stddev 3179.35577 686.60767
# standard error 314.80313 74.03881
# 99% confidence level 732.23208 172.21427
# skew 5.00473 0.60015
# kurtosis 33.19530 0.17513
# time correlation -15.29000 -0.54277
#
# elasped time 257.34507
# number of samples 86
# number of outliers 16
# getnsecs overhead 238
#
# DISTRIBUTION
# counts usecs/call means
# 1 22500.00000 |**** 22510.65833
# 0 22590.00000 | -
# 0 22680.00000 | -
# 0 22770.00000 | -
# 3 22860.00000 |************ 22890.55975
# 0 22950.00000 | -
# 3 23040.00000 |************ 23074.55564
# 1 23130.00000 |**** 23178.31415
# 2 23220.00000 |******** 23264.49284
# 4 23310.00000 |**************** 23376.40680
# 4 23400.00000 |**************** 23453.45574
# 4 23490.00000 |**************** 23523.64573
# 7 23580.00000 |**************************** 23635.30316
# 8 23670.00000 |******************************** 23710.76531
# 5 23760.00000 |******************** 23788.50820
# 4 23850.00000 |**************** 23893.68383
# 3 23940.00000 |************ 23973.25051
# 4 24030.00000 |**************** 24078.65052
# 3 24120.00000 |************ 24141.85327
# 3 24210.00000 |************ 24246.67291
# 4 24300.00000 |**************** 24364.04465
# 5 24390.00000 |******************** 24444.50472
# 4 24480.00000 |**************** 24539.64735
# 1 24570.00000 |**** 24621.17191
# 2 24660.00000 |******** 24739.20456
# 1 24750.00000 |**** 24760.38002
# 0 24840.00000 | -
# 0 24930.00000 | -
# 3 25020.00000 |************ 25076.92854
# 1 25110.00000 |**** 25182.04928
# 1 25200.00000 |**** 25276.34825
#
# 5 > 95% |******************** 25573.33034
#
# mean of 95% 23913.13860
# 95th %ile 25295.36178
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