implemented nexedi's slapos python monitor for ram

Milestone1/results/add_csv.csv

 items,timestamp
-1000,1581432948010
-2000,1581432948164
-3000,1581432948289
-4000,1581432948401
-5000,1581432948521
-6000,1581432948642
-7000,1581432948772
-8000,1581432948884
-9000,1581432948988
-10000,1581432949099
-11000,1581432949204
-12000,1581432949308
-13000,1581432949447
-14000,1581432949571
-15000,1581432949684
-16000,1581432949795
-17000,1581432949896
-18000,1581432950016
-19000,1581432950129
-20000,1581432950248
-21000,1581432950365
-22000,1581432950490
-23000,1581432950599
-24000,1581432950725
-25000,1581432950830
-26000,1581432950947
-27000,1581432951064
-28000,1581432951180
-29000,1581432951300
-30000,1581432951417
-31000,1581432951534
-32000,1581432951642
-33000,1581432951756
-34000,1581432951876
-35000,1581432951982
-36000,1581432952099
-37000,1581432952213
-38000,1581432952331
-39000,1581432952461
-40000,1581432952565
-41000,1581432952691
-42000,1581432952830
-43000,1581432952940
-44000,1581432953056
-45000,1581432953165
-46000,1581432953284
-47000,1581432953402
-48000,1581432953520
-49000,1581432953629
-50000,1581432953755
-51000,1581432953867
-52000,1581432953980
-53000,1581432954098
-54000,1581432954217
-55000,1581432954335
-56000,1581432954443
-57000,1581432954557
-58000,1581432954670
-59000,1581432954784
-60000,1581432954899
-61000,1581432955017
-62000,1581432955131
-63000,1581432955251
-64000,1581432955367
-65000,1581432955484
-66000,1581432955603
-67000,1581432955712
-68000,1581432955903
-69000,1581432956015
-70000,1581432956119
-71000,1581432956225
-72000,1581432956331
-73000,1581432956450
-74000,1581432956562
-75000,1581432956667
-76000,1581432956783
-77000,1581432956895
-78000,1581432957001
-79000,1581432957114
-80000,1581432957239
-81000,1581432957348
-82000,1581432957468
-83000,1581432957578
-84000,1581432957679
-85000,1581432957802
-86000,1581432957918
-87000,1581432958039
-88000,1581432958154
-89000,1581432958258
-90000,1581432958372
-91000,1581432958484
-92000,1581432958589
-93000,1581432958704
-94000,1581432958809
-95000,1581432958912
-96000,1581432959030
-97000,1581432959150
-98000,1581432959267
-99000,1581432959384
-100000,1581432959500
-101000,1581432959617
-102000,1581432959741
-103000,1581432959847
-104000,1581432959969
-105000,1581432960085
-106000,1581432960198
-107000,1581432960315
-108000,1581432960432
-109000,1581432960550
-110000,1581432960676
-111000,1581432960786
-112000,1581432961016
-113000,1581432961136
-114000,1581432961251
-115000,1581432961362
-116000,1581432961487
-117000,1581432961594
-118000,1581432961707
-119000,1581432961815
-120000,1581432961937
-121000,1581432962051
-122000,1581432962186
-123000,1581432962303
-124000,1581432962421
-125000,1581432962528
-126000,1581432962648
-127000,1581432962769
-128000,1581432962884
-129000,1581432963003
-130000,1581432963113
-131000,1581432963218
-132000,1581432963332
-133000,1581432963456
-134000,1581432963569
-135000,1581432963677
-136000,1581432963786
-137000,1581432963897
-138000,1581432964016
-139000,1581432964161
-140000,1581432964266
-141000,1581432964381
-142000,1581432964500
-143000,1581432964616
-144000,1581432964734
-145000,1581432964856
-146000,1581432964967
-147000,1581432965072
-148000,1581432965182
-149000,1581432965298
-150000,1581432965423
-151000,1581432965543
-152000,1581432965652
-153000,1581432965774
-154000,1581432965878
-155000,1581432966001
-156000,1581432966120
-157000,1581432966242
-158000,1581432966355
-159000,1581432966462
-160000,1581432966582
-161000,1581432966698
-162000,1581432966819
-163000,1581432966942
-164000,1581432967046
-165000,1581432967169
-166000,1581432967293
-167000,1581432967401
-168000,1581432967519
-169000,1581432967651
-170000,1581432967785
-171000,1581432967892
-172000,1581432967998
-173000,1581432968117
-174000,1581432968235
-175000,1581432968378
-176000,1581432968690
-177000,1581432968815
-178000,1581432968932
-179000,1581432969051
-180000,1581432969168
-181000,1581432969279
-182000,1581432969387
-183000,1581432969499
-184000,1581432969621
-185000,1581432969733
-186000,1581432969854
-187000,1581432969965
-188000,1581432970091
-189000,1581432970198
-190000,1581432970319
-191000,1581432970435
-192000,1581432970551
-193000,1581432970667
-194000,1581432970784
-195000,1581432970898
-196000,1581432971016
-197000,1581432971141
-198000,1581432971249
-199000,1581432971367
-200000,1581432971491
-201000,1581432971597
-202000,1581432971719
-203000,1581432971862
-204000,1581432971972
-205000,1581432972088
-206000,1581432972192
-207000,1581432972300
-208000,1581432972416
-209000,1581432972541
-210000,1581432972652
-211000,1581432972766
-212000,1581432972883
-213000,1581432972993
-214000,1581432973105
-215000,1581432973209
-216000,1581432973324
-217000,1581432973433
-218000,1581432973548
-219000,1581432973666
-220000,1581432973784
-221000,1581432973895
-222000,1581432974033
-223000,1581432974139
-224000,1581432974248
-225000,1581432974368
-226000,1581432974491
-227000,1581432974597
-228000,1581432974718
-229000,1581432974831
-230000,1581432974957
-231000,1581432975069
-232000,1581432975186
-233000,1581432975302
-234000,1581432975417
-235000,1581432975533
-236000,1581432975650
-237000,1581432975768
-238000,1581432975876
-239000,1581432975983
-240000,1581432976102
-241000,1581432976222
-242000,1581432976333
-243000,1581432976440
-244000,1581432976548
-245000,1581432976674
-246000,1581432976789
-247000,1581432976899
-248000,1581432977001
-249000,1581432977119
-250000,1581432977222
-251000,1581432977334
-252000,1581432977448
-253000,1581432977563
-254000,1581432977681
-255000,1581432977808
-256000,1581432977926
+1000,1582278164094
+2000,1582278164224
+3000,1582278164332
+4000,1582278164441
+5000,1582278164544
+6000,1582278164648
+7000,1582278164751
+8000,1582278164845
+9000,1582278164937
+10000,1582278165038
+11000,1582278165141
+12000,1582278165261
+13000,1582278165354
+14000,1582278165462
+15000,1582278165562
+16000,1582278165662
+17000,1582278165760
+18000,1582278165858
+19000,1582278165956
+20000,1582278166054
+21000,1582278166156
+22000,1582278166280
+23000,1582278166372
+24000,1582278166494
+25000,1582278166585
+26000,1582278166704
+27000,1582278166802
+28000,1582278166897
+29000,1582278166990
+30000,1582278167104
+31000,1582278167202
+32000,1582278167298
+33000,1582278167403
+34000,1582278167499
+35000,1582278167591
+36000,1582278167691
+37000,1582278167801
+38000,1582278167907
+39000,1582278168034
+40000,1582278168133
+41000,1582278168228
+42000,1582278168345
+43000,1582278168447
+44000,1582278168567
+45000,1582278168702
+46000,1582278168828
+47000,1582278168929
+48000,1582278169028
+49000,1582278169128
+50000,1582278169236
+51000,1582278169357
+52000,1582278169456
+53000,1582278169552
+54000,1582278169649
+55000,1582278169745
+56000,1582278169839
+57000,1582278169940
+58000,1582278170041
+59000,1582278170137
+60000,1582278170254
+61000,1582278170350
+62000,1582278170448
+63000,1582278170544
+64000,1582278170640
+65000,1582278170738
+66000,1582278170850
+67000,1582278170956
+68000,1582278171127
+69000,1582278171240
+70000,1582278171345
+71000,1582278171480
+72000,1582278171582
+73000,1582278171728
+74000,1582278171827
+75000,1582278171923
+76000,1582278172021
+77000,1582278172129
+78000,1582278172264
+79000,1582278172362
+80000,1582278172480
+81000,1582278172605
+82000,1582278172738
+83000,1582278172854
+84000,1582278172956
+85000,1582278173057
+86000,1582278173153
+87000,1582278173251
+88000,1582278173360
+89000,1582278173455
+90000,1582278173555
+91000,1582278173667
+92000,1582278173765
+93000,1582278173857
+94000,1582278173958
+95000,1582278174055
+96000,1582278174154
+97000,1582278174258
+98000,1582278174359
+99000,1582278174456
+100000,1582278174554
+101000,1582278174664
+102000,1582278174759
+103000,1582278174858
+104000,1582278174955
+105000,1582278175060
+106000,1582278175158
+107000,1582278175256
+108000,1582278175356
+109000,1582278175456
+110000,1582278175558
+111000,1582278175661
+112000,1582278175847
+113000,1582278176031
+114000,1582278176126
+115000,1582278176223
+116000,1582278176334
+117000,1582278176450
+118000,1582278176551
+119000,1582278176654
+120000,1582278176752
+121000,1582278176850
+122000,1582278176965
+123000,1582278177064
+124000,1582278177210
+125000,1582278177303
+126000,1582278177406
+127000,1582278177508
+128000,1582278177619
+129000,1582278177719
+130000,1582278177818
+131000,1582278177917
+132000,1582278178020
+133000,1582278178163
+134000,1582278178257
+135000,1582278178367
+136000,1582278178465
+137000,1582278178569
+138000,1582278178666
+139000,1582278178761
+140000,1582278178857
+141000,1582278178965
+142000,1582278179063
+143000,1582278179158
+144000,1582278179270
+145000,1582278179370
+146000,1582278179466
+147000,1582278179563
+148000,1582278179657
+149000,1582278179766
+150000,1582278179864
+151000,1582278179975
+152000,1582278180074
+153000,1582278180175
+154000,1582278180272
+155000,1582278180385
+156000,1582278180484
+157000,1582278180583
+158000,1582278180680
+159000,1582278180790
+160000,1582278180889
+161000,1582278180990
+162000,1582278181090
+163000,1582278181192
+164000,1582278181289
+165000,1582278181396
+166000,1582278181490
+167000,1582278181590
+168000,1582278181689
+169000,1582278181790
+170000,1582278181907
+171000,1582278182007
+172000,1582278182116
+173000,1582278182217
+174000,1582278182314
+175000,1582278182440
+176000,1582278182685
+177000,1582278182810
+178000,1582278182903
+179000,1582278183013
+180000,1582278183113
+181000,1582278183222
+182000,1582278183336
+183000,1582278183437
+184000,1582278183537
+185000,1582278183636
+186000,1582278183735
+187000,1582278183832
+188000,1582278183926
+189000,1582278184025
+190000,1582278184122
+191000,1582278184226
+192000,1582278184322
+193000,1582278184421
+194000,1582278184532
+195000,1582278184625
+196000,1582278184723
+197000,1582278184837
+198000,1582278184934
+199000,1582278185035
+200000,1582278185133
+201000,1582278185231
+202000,1582278185326
+203000,1582278185426
+204000,1582278185521
+205000,1582278185634
+206000,1582278185731
+207000,1582278185825
+208000,1582278185921
+209000,1582278186022
+210000,1582278186120
+211000,1582278186235
+212000,1582278186348
+213000,1582278186444
+214000,1582278186548
+215000,1582278186643
+216000,1582278186740
+217000,1582278186838
+218000,1582278186948
+219000,1582278187056
+220000,1582278187164
+221000,1582278187259
+222000,1582278187358
+223000,1582278187456
+224000,1582278187567
+225000,1582278187682
+226000,1582278187779
+227000,1582278187875
+228000,1582278187974
+229000,1582278188075
+230000,1582278188174
+231000,1582278188275
+232000,1582278188375
+233000,1582278188473
+234000,1582278188577
+235000,1582278188675
+236000,1582278188773
+237000,1582278188875
+238000,1582278188971
+239000,1582278189098
+240000,1582278189193
+241000,1582278189291
+242000,1582278189389
+243000,1582278189489
+244000,1582278189589
+245000,1582278189691
+246000,1582278189799
+247000,1582278189899
+248000,1582278189993
+249000,1582278190090
+250000,1582278190190
+251000,1582278190290
+252000,1582278190390
+253000,1582278190492
+254000,1582278190590
+255000,1582278190697
+256000,1582278190794

Milestone1/results/test.csv

-items,ramUsed,memUsed
-1000,0.1296115260144386,5.12109375
-2000,0.1690131572551702,7.19921875
-3000,0.1530372945722992,7.69921875
-4000,0.1568615260144386,15.44921875
-5000,0.13156515504669675,9.7265625
-6000,-0.1358904734856864,12.16015625
-7000,-0.10511908929321523,12.6328125
-8000,0.13174770641252376,1.88671875
-9000,0.024319474027435395,2.359375
-10000,-0.14388847398556137,4.86328125
-11000,-0.14388847398556137,5.19140625
-12000,-0.11240421611449691,25.125
-13000,-0.14388847398556137,8.59375
-14000,-0.13589247198656085,30.96875
-15000,-0.14012435855268812,32.8828125
-16000,-0.10031164778908785,14.68359375
-17000,-0.1358904734856864,14.45703125
-18000,-0.14388847398556137,17.10546875
-19000,-0.13987341752382987,23.25
-20000,-0.13992022001730742,19.984375
-21000,-0.1283845980165691,20.68359375
-22000,-0.1360740046132397,23.18359375
-23000,-0.14388847398556137,35.23828125
-24000,0.4067745232623746,38.765625
-25000,-0.13589247198656085,41.1875
-26000,-0.11687496723218471,29.30078125
-27000,-0.14388847398556137,47.12890625
-28000,-0.1083973467673659,50.73828125
-29000,-0.13988847398556137,32.81640625
-30000,-0.13188847398556136,35.2421875
-31000,-0.14388847398556137,35.77734375
-32000,-0.12072533575392996,40.8125
-33000,-0.14388847398556137,38.6015625
-34000,-0.13641463243100238,41.10546875
-35000,-0.12789646998756032,41.9921875
-36000,-0.13993590481560092,44.48046875
-37000,-0.13985621592104525,44.88671875
-38000,-0.13988847398556137,47.390625
-39000,-0.13610734948756942,50.19140625
-40000,-0.14388847398556137,52.73828125
-41000,-0.14388847398556137,53.13671875
-42000,-0.14388847398556137,76.7109375
-43000,-0.12398421598606524,56.046875
-44000,-0.13988847398556137,58.65234375
-45000,-0.14388847398556137,59.11328125
-46000,-0.12874824067704804,61.578125
-47000,-0.14388847398556137,61.9453125
-48000,-0.14388847398556137,64.4296875
-49000,-0.12398421598606524,64.80078125
-50000,-0.14388847398556137,65.515625
-51000,-0.13988847398556137,67.73828125
-52000,-0.13582598973260096,68.55078125
-53000,-0.13189447098706064,71.22265625
-54000,-0.14013847398556134,71.97265625
-55000,-0.1401375362511278,74.37109375
-56000,-0.13988947373562388,75.12109375
-57000,-0.12389347273587381,77.25
-58000,-0.14388847398556137,78.203125
-59000,-0.14388847398556137,80.20703125
-60000,-0.13586037564135667,81.671875
-61000,-0.13988947373562388,83.16015625
-62000,-0.11276297597759322,85.16015625
-63000,-0.13613653600106523,86.25390625
-64000,-0.13988947373562388,86.79296875
-65000,-0.1358904734856864,89.23046875
-66000,-0.07037738502468427,89.8046875
-67000,-0.09356460751819717,92.29296875
-68000,-0.13189447098706064,93.34375
-69000,-0.09739400904091189,95.765625
-70000,-0.14388847398556137,98.18359375
-71000,-0.14388847398556137,99.09765625
-72000,-0.13213847398556133,99.515625
-73000,-0.1323827211091232,102.07421875
-74000,-0.13988847398556137,102.51953125
-75000,-0.13209424562922512,104.9453125
-76000,-0.13607794236550597,105.47265625
-77000,-0.13988847398556137,107.9921875
-78000,-0.13592034649552154,108.4453125
-79000,-0.14388847398556137,110.9453125
-80000,-0.14388847398556137,111.51953125
-81000,-0.1213173258010668,114.53125
-82000,-0.08535920935324526,119.125
-83000,-0.12454323589032323,117.4296875
-84000,-0.04616290537771328,126.203125
-85000,-0.14388847398556137,120.46484375
-86000,-0.06986996935940482,127.68359375
-87000,-0.14388847398556137,123.48828125
-88000,-0.11618066542132965,133.29296875
-89000,-0.13214141075136987,126.46484375
-90000,-0.09275497272611555,140.37109375
-91000,-0.13988847398556137,129.609375
-92000,-0.09695072298154528,146.25
-93000,-0.1401375362511278,133.18359375
-94000,-0.06502729988629208,143.36328125
-95000,-0.13238559826663165,128.60546875
-96000,-0.0538659683591548,138.01953125
-97000,-0.13214141075136987,131.44921875
-98000,-0.1401375362511278,154.03125
-99000,-0.1361053959037135,134.48828125
-100000,-0.1282012229895454,134.95703125
-101000,-0.12446132579128988,137.3828125
-102000,-0.13641463243100238,137.9140625
-103000,-0.13613847398556134,161.6875
-104000,-0.1321355357510028,160.46875
-105000,-0.13613847398556134,143.98046875
-106000,-0.13613847398556134,144.52734375
-107000,-0.14388847398556137,146.88671875
-108000,-0.12421715924452548,150.640625
-109000,-0.14388847398556137,155.12109375
-110000,-0.09293465872451723,165.87109375
-111000,-0.14388847398556137,158.32421875
-112000,-0.08138847398556137,163.21875
-113000,-0.12414834405052888,162.3671875
-114000,-0.06959128523054126,167.07421875
-115000,-0.14388847398556137,165.30078125
-116000,-0.13614041100130747,182.70703125
-117000,-0.14388847398556137,168.34375
-118000,-0.13218237186850035,168.77734375
-119000,-0.14388847398556137,171.35546875
-120000,-0.06986996935940482,178.375
-121000,-0.12439334776711597,192.6484375
-122000,-0.12813847398556133,195.9921875
-123000,-0.14388847398556137,177.83984375
-124000,-0.13988947373562388,178.23828125
-125000,-0.0897941811815911,201.44921875
-126000,-0.14388847398556137,181.03515625
-127000,-0.1358904734856864,183.5390625
-128000,-0.1130090273452452,197.55859375
-129000,-0.13988947373562388,186.63671875
-130000,-0.13613653600106523,187.33984375
-131000,-0.11663847398556138,202.4375
-132000,-0.1363865985166941,190.546875
-133000,-0.1363865985166941,193.1875
-134000,-0.10479484848755338,193.6875
-135000,-0.13988847398556137,196.19921875
-136000,-0.12844638183114043,196.625
-137000,-0.13607597398556137,199.203125
-138000,-0.13588847398556136,199.64453125
-139000,-0.13988947373562388,220.984375
-140000,-0.11670784636015985,203.09765625
-141000,-0.1401375362511278,205.71484375
-142000,-0.11239439487243463,205.97265625
-143000,-0.1005833470567411,214.73828125
-144000,-0.13218237186850035,209.21875
-145000,-0.14388847398556137,211.703125
-146000,-0.13613847398556134,212.21484375
-147000,-0.13613847398556134,215.234375
-148000,-0.13586037564135667,215.63671875
-149000,-0.14388847398556137,218.3203125
-150000,-0.13582598973260096,218.82421875
-151000,-0.14388847398556137,221.07421875
-152000,-0.13592233009708743,217.7265625
-153000,-0.14388847398556137,241.40234375
-154000,-0.1398724097285332,220.7890625
-155000,-0.14388847398556137,223.71484375
-156000,-0.08515315781460409,232.1796875
-157000,-0.1401082320500775,226.8046875
-158000,-0.05036509314035009,230.4375
-159000,-0.1358904734856864,229.8125
-160000,-0.10072661702194785,240.390625
-161000,-0.13184632646925432,254.1796875
-162000,-0.13613653600106523,233.92578125
-163000,-0.1401375362511278,236.30078125
-164000,-0.14388847398556137,236.89453125
-165000,-0.13218820014936516,239.2578125
-166000,-0.13616935047958523,239.86328125
-167000,-0.14388847398556137,257.89453125
-168000,-0.14388847398556137,242.93359375
-169000,-0.12863466053219808,245.3515625
-170000,-0.1321355357510028,265.66796875
-171000,-0.13610734948756942,249.0234375
-172000,-0.13613653600106523,249.43359375
-173000,-0.14388847398556137,251.83203125
-174000,-0.07763847398556134,260.19140625
-175000,-0.12438847398556141,254.87890625
-176000,-0.13238559826663165,276.62109375
-177000,-0.13614041100130747,258.58984375
-178000,-0.1361961662932537,258.96484375
-179000,-0.12438359776650665,261.34375
-180000,-0.11664528478286207,282.90625
-181000,-0.12813847398556133,264.48828125
-182000,-0.14388847398556137,265.14453125
-183000,-0.1401082320500775,267.5234375
-184000,-0.13238559826663165,289.63671875
-185000,-0.14388847398556137,270.98828125
-186000,-0.09336321135424575,276.125
-187000,-0.12789646998756032,274.109375
-188000,-0.09713847398556141,282.890625
-189000,-0.12813453550094023,299.31640625
-190000,-0.09688847398556133,294.0078125
-191000,-0.14388847398556137,281.4296875
-192000,-0.11639534726724099,298.98046875
-193000,-0.1321852867345653,284.96875
-194000,-0.07686907363282769,294.05859375
-195000,-0.14388847398556137,288.05859375
-196000,0.036332409548575195,306.92578125
-197000,-0.13242858360190413,291.3359375
-198000,-0.08516783430540142,319.05078125
-199000,-0.14388847398556137,295.60546875
-200000,0.020570411293118984,317.1484375
-201000,-0.14388847398556137,299.01953125
-202000,-0.12423121592104525,317.1875
-203000,-0.13613847398556134,323.421875
-204000,-0.0891384739855614,305.05078125
-205000,-0.13613847398556134,327.22265625
-206000,-0.11190660543859587,306.375
-207000,-0.12825571964312965,308.7578125
-208000,-0.10887972179751437,309.94140625
-209000,-0.13988947373562388,328.1171875
-210000,-0.1163884739855614,325.6796875
-211000,-0.13214141075136987,329.4921875
-212000,-0.10873026203176928,336.23828125
-213000,-0.14388847398556137,318.30859375
-214000,-0.1280791891674936,334.7890625
-215000,-0.13607597398556137,321.21484375
-216000,-0.10887972179751437,356.40625

Milestone1/run.js

@@ -19,6 +19,7 @@ const args = require("yargs")
     .nargs("verbose", 0)
     .argv;
 
+
 var run;
 var to_run = [];
 var options = [];
@@ -82,6 +83,7 @@ run = function (callback) {
 };
 
 fs.readFile("./config.json", "utf8", function (err, data) {
+
     if (err) {
         return console.log("Error while reading config file : " + err);
     }

Milestone1/unit_tests/add_csv.js

@@ -2,9 +2,9 @@
 
 var childProcess = require("child_process");
 var cut_file = require("./random_gen").cut_file;
-var diskspace = require("diskspace");
+// var diskspace = require("diskspace");
 // var os_utils = require("os-utils");
-var os = require('os');
+// var os = require('os');
 const puppeteer = require("puppeteer");
 const Server = require("ws").Server;
 const args = require("yargs")
@@ -28,8 +28,9 @@ var page;
 var n = 0;
 var time;
 var monitor;
-var ramBefore;
-var memBefore;
+// var ramBefore;
+// var memBefore;
+var browser_pid;
 
 function init_server (){
     var port = 9030;
@@ -92,10 +93,11 @@ async function query (){
     files = cut_file(args.file, 1000);
     init_server();
     browser = await puppeteer.launch();
+    browser_pid = browser.process().pid;
     page = await browser.newPage();
     await page.goto(link);
     monitor = childProcess.fork("./unit_tests/monitor.js",
-        args.r ? ["-r"] : []);
+        args.r ? ["-r", "-p", browser_pid] : ["-p", browser_pid]);
     timeout();
     query();
     // diskspace.check("C", function (err, result){

Milestone1/unit_tests/monitor.js

-var os = require('os');
 const fs = require("fs");
 var diskspace = require("diskspace");
 const args = require("yargs").argv;
+var childProcess = require("child_process");
 
+var pid = args.p;
 var path = args.r
     ? "./results/add_random_csv_monitor.csv"
     : "./results/add_csv_monitor.csv";
@@ -10,35 +11,36 @@ var stream = fs.createWriteStream(path, {flags: "w+"});
 stream.write("time,ram,disk\n");
 
 var start_disk;
-var start_ram = os.totalmem() - os.freemem();
-
-// function init_server (){
-//     var port = 9030;
-//     var ws = new Server({port: port});
-//     ws.on("connection", function(w){
-//         w.on("message", function(){
-//             process.send(max_ram);
-//         });
-//         w.on("close", function() {
-//             ws.close();
-//         });
-//     });
-// }
-
-var check = function(){
-    setTimeout(function () {
-        diskspace.check("/", function(err, result){
-            //var disk_used = parseInt(result.used) - parseInt(start_disk);
-            var disk_used = result.used - start_disk;
-            var ram_used = os.totalmem() - os.freemem();
-            stream.write(Date.now() + "," + ram_used + "," + disk_used + "\n");
-            check();
-        });
-    }, 1);
+
+function init_monitor(){
+  var net = require('net');
+  const port = 9040;
+
+  var server = net.createServer(function(socket) {
+    socket.on("data", function(data){
+      diskspace.check("/", function(err, result){
+          var disk_used = result.used - start_disk;
+          var ram_used = data;
+          stream.write(Date.now() + "," + ram_used + "," + disk_used + "\n");
+      });
+    })
+    socket.on("error", function(err){
+      console.log("Error : " + err.message);
+    })
+  });
+
+  server.listen(port, function() {});
+
+  var monitor = childProcess.spawn('python',
+    ["./unit_tests/monitor.py", "--p", pid],
+    { stdio: 'inherit' });
 }
 
-//init_server();
+process.on("exit", function(){
+  monitor.kill();
+})
+
 diskspace.check("C", function (err, result){
     start_disk = result.used;
-    check();
+    init_monitor();
 });

Milestone1/unit_tests/monitor.py

+import psutil
+import os
+import subprocess
+import time
+
+import argparse
+parser = argparse.ArgumentParser(description='')
+parser.add_argument("--p", type=int, help="pid")
+args = parser.parse_args()
+
+import socket
+client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+client.connect(('localhost', 9040))
+
+class _Snapshot(object):
+  def get(self, property, default=None):
+    return getattr(self, property, default)
+
+class ProcessSnapshot(_Snapshot):
+  def __init__(self, process=None):
+    assert type(process) is psutil.Process
+    self.username = process.username()
+    self.process_object = process
+    self.pid = process.pid
+    # Memory percentage
+    self.memory_percent = process.memory_percent()
+
+  def update_memory_percent(self):
+    if self.process_object.is_running():
+      self.memory_percent = self.process_object.memory_percent()
+
+process = psutil.Process(args.p)
+snapshot = ProcessSnapshot(process)
+
+while (1) :
+    snapshot.update_memory_percent()
+    client.send(str(snapshot.memory_percent))
+    time.sleep(0.1)