Ubuntu 18.04 VM monitoring using Sysdig in Azure Cloud

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Babu Kandimalla

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Jul 19, 2021, 1:36:09 PM7/19/21
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I have written a simple C-program fileCopy.c to copy a text file 2k.csv to 2k_copy.csv. While I am running the program fileCopy, I have used Sysdig to capture syscalls made by fileCopy. I have captured syscalls to a file, fileCopy.scap. I am looking for the open syscall to open 2k.csv, and 2k_copy.csv files which I am not able to find in fileCopy.scap. I am also not able to find syscall read to read data from 2k.csv and syscall write to write data into 2k_copy.csv.

I am seeing read to fd = 3 and write to fd = 4. But I am not able to find open system calls to fd=3 and fd=4.

In sysdig-inspect, I am not able to see any IO activity to SSD. I am expecting to see IO activity to SSD because I am reading from 2k.csv and writing to 2k_copy.csv. Would someone help me to see IO activity of fileCopy program to SSD? 

I am enclosing fileCopy.c and all systemcalls generated by fileCopy executable.

Thanks,

Babu

 

sysdig -r fileCopy.scap proc.name=fileCopy | grep -w open

Empty output

/mnt/vegas/scap$ sysdig -r fileCopy.scap -c echo_fds fd.name=2k_copy.csv

 

/mnt/vegas/scap$ sysdig -r fileCopy.scap -c echo_fds fd.name=2k.csv

 

/mnt/vegas/scap$ sysdig -r fileCopy.scap -c  fdbytes_by fd.type

Bytes               fd.type

--------------------------------------------------------------------------------

7.70KB              pipe

196B                file

/mnt/vegas/scap$ sysdig -r fileCopy.scap -c  fdbytes_by fd.name

Bytes               fd.name

--------------------------------------------------------------------------------

145.54KB

4.71KB              pipe:[28739146]

2.99KB              pipe:[28739147]

196B                /dev/null

 

/mnt/vegas/scap$ sysdig -r fileCopy.scap proc.name=fileCopy

25390 20:53:40.268460841 9 fileCopy (10277) < execve res=0 exe=./fileCopy args= tid=10277(fileCopy) pid=10277(fileCopy) ptid=8697(bash) cwd= fdlimit=1024 pgft_maj=0 pgft_min=28 vm_size=336 vm_rss=4 vm_swap=0 comm=fileCopy cgroups=cpuset=/.cpu=/user.slice.cpuacct=/user.slice.io=/user.slice.memory=/user.slic... env=LD_LIBRARY_PATH=/opt/xilinx/xrt/lib:/home/babu/proj/wildfire-data-services/cp... tty=34817 pgid=10277(fileCopy) loginuid=1000

25402 20:53:40.268493641 9 fileCopy (10277) > brk addr=0

25404 20:53:40.268496541 9 fileCopy (10277) < brk res=55EF7EAB7000 vm_size=336 vm_rss=4 vm_swap=0

25430 20:53:40.268525142 9 fileCopy (10277) > access mode=0(F_OK)

 

……

……

 

25810 20:53:40.269056053 9 fileCopy (10277) > brk addr=0

25811 20:53:40.269057453 9 fileCopy (10277) < brk res=55EF7EAB7000 vm_size=4392 vm_rss=800 vm_swap=0

25812 20:53:40.269058053 9 fileCopy (10277) > brk addr=55EF7EAD8000

25813 20:53:40.269059653 9 fileCopy (10277) < brk res=55EF7EAD8000 vm_size=4524 vm_rss=800 vm_swap=0

25814 20:53:40.269065353 9 fileCopy (10277) > openat

25815 20:53:40.269070853 9 fileCopy (10277) > openat

25816 20:53:40.269175755 9 fileCopy (10277) > fstat fd=-68431611871997

25817 20:53:40.269176955 9 fileCopy (10277) < fstat res=0

25818 20:53:40.269180255 9 fileCopy (10277) > read fd=3 size=4096

25820 20:53:40.269185956 9 fileCopy (10277) > fstat fd=68821532164

25821 20:53:40.269186756 9 fileCopy (10277) < fstat res=0

25822 20:53:40.269213656 9 fileCopy (10277) > read fd=3 size=4096

25825 20:53:40.269217656 9 fileCopy (10277) > write fd=4 size=4096

25831 20:53:40.269269157 9 fileCopy (10277) > read fd=3 size=4096

25833 20:53:40.269273457 9 fileCopy (10277) > write fd=4 size=4096

25834 20:53:40.269304558 9 fileCopy (10277) > read fd=3 size=4096

25835 20:53:40.269308358 9 fileCopy (10277) > write fd=4 size=4096

25836 20:53:40.269335259 9 fileCopy (10277) > read fd=3 size=4096

25837 20:53:40.269339059 9 fileCopy (10277) > write fd=4 size=4096

25838 20:53:40.269367259 9 fileCopy (10277) > read fd=3 size=4096

25839 20:53:40.269371059 9 fileCopy (10277) > write fd=4 size=4096

25840 20:53:40.269398560 9 fileCopy (10277) > read fd=3 size=4096

25841 20:53:40.269402360 9 fileCopy (10277) > write fd=4 size=4096

25842 20:53:40.269430561 9 fileCopy (10277) > read fd=3 size=4096

25843 20:53:40.269434361 9 fileCopy (10277) > write fd=4 size=4096

25844 20:53:40.269460761 9 fileCopy (10277) > read fd=3 size=4096

25845 20:53:40.269464561 9 fileCopy (10277) > write fd=4 size=4096

25846 20:53:40.269492562 9 fileCopy (10277) > read fd=3 size=4096

25847 20:53:40.269496462 9 fileCopy (10277) > write fd=4 size=4096

25848 20:53:40.269524062 9 fileCopy (10277) > read fd=3 size=4096

25849 20:53:40.269527763 9 fileCopy (10277) > write fd=4 size=4096

25850 20:53:40.269554563 9 fileCopy (10277) > read fd=3 size=4096

 

……

……

 

26068 20:53:40.272744829 9 fileCopy (10277) > read fd=3 size=4096

26069 20:53:40.272748029 9 fileCopy (10277) > write fd=4 size=4096

26070 20:53:40.272760529 9 fileCopy (10277) > read fd=3 size=4096

26071 20:53:40.272761429 9 fileCopy (10277) < read res=0 data=

26072 20:53:40.272767829 9 fileCopy (10277) > fstat fd=-22441607537407

26073 20:53:40.272769129 9 fileCopy (10277) < fstat res=0

26074 20:53:40.272770029 9 fileCopy (10277) > write fd=1(<f>/dev/pts/1) size=1

26075 20:53:40.272781629 9 fileCopy (10277) > close fd=3

26076 20:53:40.272782729 9 fileCopy (10277) < close res=0

26078 20:53:40.272784929 9 fileCopy (10277) > write fd=4 size=1925

26079 20:53:40.272788930 9 fileCopy (10277) > close fd=4

26080 20:53:40.272789630 9 fileCopy (10277) < close res=0

26100 20:53:40.272879731 9 fileCopy (10277) > write fd=1(<f>/dev/pts/1) size=30

26101 20:53:40.272889332 9 fileCopy (10277) > exit_group

26120 20:53:40.272937533 9 fileCopy (10277) > procexit status=0

 

Babu Kandimalla

unread,
Jul 19, 2021, 1:40:21 PM7/19/21
to sysdig
Not able to attach files. So I am copying them here.

#include <stdio.h>
#include <stdlib.h> // For exit()
#include <string.h>

int main()
{
FILE *fptr1, *fptr2;
char filename[100], c;

        strcpy(filename, "2k.csv");
// Open one file for reading
fptr1 = fopen(filename, "r");
if (fptr1 == NULL)
{
printf("Cannot open file %s \n", filename);
exit(0);
}

        strcpy(filename, "2k_copy.csv");
// Open another file for writing
fptr2 = fopen(filename, "w");
if (fptr2 == NULL)
{
printf("Cannot open file %s \n", filename);
exit(0);
}

// Read contents from file
c = fgetc(fptr1);
while (c != EOF)
{
fputc(c, fptr2);
c = fgetc(fptr1);
}

printf("\nContents copied to %s", filename);

fclose(fptr1);
fclose(fptr2);
return 0;
}
=======================================================================
25390 20:53:40.268460841 9 fileCopy (10277) < execve res=0 exe=./fileCopy args= tid=10277(fileCopy) pid=10277(fileCopy) ptid=8697(bash) cwd= fdlimit=1024 pgft_maj=0 pgft_min=28 vm_size=336 vm_rss=4 vm_swap=0 comm=fileCopy cgroups=cpuset=/.cpu=/user.slice.cpuacct=/user.slice.io=/user.slice.memory=/user.slic... env=LD_LIBRARY_PATH=/opt/xilinx/xrt/lib:/home/babu/proj/wildfire-data-services/cp... tty=34817 pgid=10277(fileCopy) loginuid=1000 
25402 20:53:40.268493641 9 fileCopy (10277) > brk addr=0 
25404 20:53:40.268496541 9 fileCopy (10277) < brk res=55EF7EAB7000 vm_size=336 vm_rss=4 vm_swap=0 
25430 20:53:40.268525142 9 fileCopy (10277) > access mode=0(F_OK) 
25437 20:53:40.268530942 9 fileCopy (10277) < access res=-2(ENOENT) name=/etc/ld.so.nohwcap 
25444 20:53:40.268535042 9 fileCopy (10277) > mmap addr=3C00 length=15360 prot=3(PROT_READ|PROT_WRITE) flags=19466(MAP_PRIVATE|MAP_ANONYMOUS|MAP_DENYWRITE|MAP_EXECUTABLE|MAP_LOCKED) fd=15615 offset=15360 
25452 20:53:40.268538042 9 fileCopy (10277) < mmap res=7F8D7625C000 vm_size=344 vm_rss=4 vm_swap=0 
25460 20:53:40.268542642 9 fileCopy (10277) > access mode=4(R_OK) 
25465 20:53:40.268544742 9 fileCopy (10277) < access res=-2(ENOENT) name=/etc/ld.so.preload 
25474 20:53:40.268547842 9 fileCopy (10277) > openat 
25488 20:53:40.268554743 9 fileCopy (10277) > stat 
25491 20:53:40.268556843 9 fileCopy (10277) < stat res=-2(ENOENT) path=/opt/xilinx/xrt/lib/tls/haswell/avx512_1/x86_64 
25492 20:53:40.268558043 9 fileCopy (10277) > openat 
25496 20:53:40.268560743 9 fileCopy (10277) > stat 
25499 20:53:40.268561943 9 fileCopy (10277) < stat res=-2(ENOENT) path=/opt/xilinx/xrt/lib/tls/haswell/avx512_1 
25502 20:53:40.268562943 9 fileCopy (10277) > openat 
25506 20:53:40.268565543 9 fileCopy (10277) > stat 
25507 20:53:40.268566743 9 fileCopy (10277) < stat res=-2(ENOENT) path=/opt/xilinx/xrt/lib/tls/haswell/x86_64 
25508 20:53:40.268567743 9 fileCopy (10277) > openat 
25513 20:53:40.268570143 9 fileCopy (10277) > stat 
25515 20:53:40.268571343 9 fileCopy (10277) < stat res=-2(ENOENT) path=/opt/xilinx/xrt/lib/tls/haswell 
25518 20:53:40.268572343 9 fileCopy (10277) > openat 
25520 20:53:40.268574843 9 fileCopy (10277) > stat 
25522 20:53:40.268576043 9 fileCopy (10277) < stat res=-2(ENOENT) path=/opt/xilinx/xrt/lib/tls/avx512_1/x86_64 
25525 20:53:40.268577043 9 fileCopy (10277) > openat 
25530 20:53:40.268579343 9 fileCopy (10277) > stat 
25532 20:53:40.268580543 9 fileCopy (10277) < stat res=-2(ENOENT) path=/opt/xilinx/xrt/lib/tls/avx512_1 
25533 20:53:40.268581443 9 fileCopy (10277) > openat 
25539 20:53:40.268583843 9 fileCopy (10277) > stat 
25540 20:53:40.268585043 9 fileCopy (10277) < stat res=-2(ENOENT) path=/opt/xilinx/xrt/lib/tls/x86_64 
25541 20:53:40.268585943 9 fileCopy (10277) > openat 
25543 20:53:40.268588243 9 fileCopy (10277) > stat 
25544 20:53:40.268589543 9 fileCopy (10277) < stat res=-2(ENOENT) path=/opt/xilinx/xrt/lib/tls 
25545 20:53:40.268590343 9 fileCopy (10277) > openat 
25546 20:53:40.268592943 9 fileCopy (10277) > stat 
25547 20:53:40.268594143 9 fileCopy (10277) < stat res=-2(ENOENT) path=/opt/xilinx/xrt/lib/haswell/avx512_1/x86_64 
25548 20:53:40.268595143 9 fileCopy (10277) > openat 
25549 20:53:40.268597443 9 fileCopy (10277) > stat 
25550 20:53:40.268598543 9 fileCopy (10277) < stat res=-2(ENOENT) path=/opt/xilinx/xrt/lib/haswell/avx512_1 
25551 20:53:40.268599544 9 fileCopy (10277) > openat 
25552 20:53:40.268601844 9 fileCopy (10277) > stat 
25553 20:53:40.268602944 9 fileCopy (10277) < stat res=-2(ENOENT) path=/opt/xilinx/xrt/lib/haswell/x86_64 
25555 20:53:40.268603944 9 fileCopy (10277) > openat 
25556 20:53:40.268606144 9 fileCopy (10277) > stat 
25557 20:53:40.268607344 9 fileCopy (10277) < stat res=-2(ENOENT) path=/opt/xilinx/xrt/lib/haswell 
25558 20:53:40.268608244 9 fileCopy (10277) > openat 
25560 20:53:40.268610744 9 fileCopy (10277) > stat 
25561 20:53:40.268611944 9 fileCopy (10277) < stat res=-2(ENOENT) path=/opt/xilinx/xrt/lib/avx512_1/x86_64 
25563 20:53:40.268612944 9 fileCopy (10277) > openat 
25566 20:53:40.268615244 9 fileCopy (10277) > stat 
25567 20:53:40.268616444 9 fileCopy (10277) < stat res=-2(ENOENT) path=/opt/xilinx/xrt/lib/avx512_1 
25568 20:53:40.268617344 9 fileCopy (10277) > openat 
25571 20:53:40.268619944 9 fileCopy (10277) > stat 
25572 20:53:40.268621144 9 fileCopy (10277) < stat res=-2(ENOENT) path=/opt/xilinx/xrt/lib/x86_64 
25574 20:53:40.268622044 9 fileCopy (10277) > openat 
25576 20:53:40.268624544 9 fileCopy (10277) > stat 
25578 20:53:40.268627344 9 fileCopy (10277) < stat res=0 path=/opt/xilinx/xrt/lib 
25579 20:53:40.268628344 9 fileCopy (10277) > openat 
25582 20:53:40.268633144 9 fileCopy (10277) > stat 
25585 20:53:40.268634744 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/external_libs/poco.1.9.2/lib/tls/haswell/avx512_1/x86_64 
25586 20:53:40.268636244 9 fileCopy (10277) > openat 
25587 20:53:40.268638744 9 fileCopy (10277) > stat 
25588 20:53:40.268640144 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/external_libs/poco.1.9.2/lib/tls/haswell/avx512_1 
25589 20:53:40.268641644 9 fileCopy (10277) > openat 
25591 20:53:40.268644244 9 fileCopy (10277) > stat 
25592 20:53:40.268645544 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/external_libs/poco.1.9.2/lib/tls/haswell/x86_64 
25593 20:53:40.268647044 9 fileCopy (10277) > openat 
25594 20:53:40.268649545 9 fileCopy (10277) > stat 
25595 20:53:40.268650945 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/external_libs/poco.1.9.2/lib/tls/haswell 
25596 20:53:40.268652245 9 fileCopy (10277) > openat 
25597 20:53:40.268654745 9 fileCopy (10277) > stat 
25598 20:53:40.268656145 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/external_libs/poco.1.9.2/lib/tls/avx512_1/x86_64 
25599 20:53:40.268657545 9 fileCopy (10277) > openat 
25601 20:53:40.268660045 9 fileCopy (10277) > stat 
25604 20:53:40.268661345 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/external_libs/poco.1.9.2/lib/tls/avx512_1 
25605 20:53:40.268662845 9 fileCopy (10277) > openat 
25607 20:53:40.268665245 9 fileCopy (10277) > stat 
25608 20:53:40.268666645 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/external_libs/poco.1.9.2/lib/tls/x86_64 
25609 20:53:40.268668045 9 fileCopy (10277) > openat 
25611 20:53:40.268670745 9 fileCopy (10277) > stat 
25612 20:53:40.268672145 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/external_libs/poco.1.9.2/lib/tls 
25613 20:53:40.268673445 9 fileCopy (10277) > openat 
25614 20:53:40.268676145 9 fileCopy (10277) > stat 
25615 20:53:40.268677445 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/external_libs/poco.1.9.2/lib/haswell/avx512_1/x86_64 
25617 20:53:40.268678945 9 fileCopy (10277) > openat 
25618 20:53:40.268681745 9 fileCopy (10277) > stat 
25619 20:53:40.268683045 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/external_libs/poco.1.9.2/lib/haswell/avx512_1 
25620 20:53:40.268684545 9 fileCopy (10277) > openat 
25621 20:53:40.268687045 9 fileCopy (10277) > stat 
25622 20:53:40.268688345 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/external_libs/poco.1.9.2/lib/haswell/x86_64 
25623 20:53:40.268689845 9 fileCopy (10277) > openat 
25624 20:53:40.268692245 9 fileCopy (10277) > stat 
25626 20:53:40.268693645 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/external_libs/poco.1.9.2/lib/haswell 
25628 20:53:40.268694945 9 fileCopy (10277) > openat 
25629 20:53:40.268697646 9 fileCopy (10277) > stat 
25631 20:53:40.268699046 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/external_libs/poco.1.9.2/lib/avx512_1/x86_64 
25634 20:53:40.268700446 9 fileCopy (10277) > openat 
25636 20:53:40.268703046 9 fileCopy (10277) > stat 
25637 20:53:40.268704446 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/external_libs/poco.1.9.2/lib/avx512_1 
25639 20:53:40.268705846 9 fileCopy (10277) > openat 
25641 20:53:40.268708946 9 fileCopy (10277) > stat 
25642 20:53:40.268710346 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/external_libs/poco.1.9.2/lib/x86_64 
25643 20:53:40.268711646 9 fileCopy (10277) > openat 
25646 20:53:40.268714446 9 fileCopy (10277) > stat 
25650 20:53:40.268716946 9 fileCopy (10277) < stat res=0 path=/home/babu/proj/wildfire-data-services/cpp/external_libs/poco.1.9.2/lib 
25652 20:53:40.268718346 9 fileCopy (10277) > openat 
25653 20:53:40.268721646 9 fileCopy (10277) > stat 
25654 20:53:40.268722946 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/build_output/bin/tls/haswell/avx512_1/x86_64 
25656 20:53:40.268724346 9 fileCopy (10277) > openat 
25658 20:53:40.268726846 9 fileCopy (10277) > stat 
25659 20:53:40.268728146 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/build_output/bin/tls/haswell/avx512_1 
25661 20:53:40.268729546 9 fileCopy (10277) > openat 
25663 20:53:40.268732046 9 fileCopy (10277) > stat 
25666 20:53:40.268733346 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/build_output/bin/tls/haswell/x86_64 
25667 20:53:40.268734646 9 fileCopy (10277) > openat 
25669 20:53:40.268737046 9 fileCopy (10277) > stat 
25670 20:53:40.268738346 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/build_output/bin/tls/haswell 
25671 20:53:40.268739646 9 fileCopy (10277) > openat 
25672 20:53:40.268742046 9 fileCopy (10277) > stat 
25673 20:53:40.268743346 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/build_output/bin/tls/avx512_1/x86_64 
25674 20:53:40.268744746 9 fileCopy (10277) > openat 
25676 20:53:40.268747247 9 fileCopy (10277) > stat 
25677 20:53:40.268748547 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/build_output/bin/tls/avx512_1 
25678 20:53:40.268749847 9 fileCopy (10277) > openat 
25679 20:53:40.268752447 9 fileCopy (10277) > stat 
25680 20:53:40.268753747 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/build_output/bin/tls/x86_64 
25681 20:53:40.268754947 9 fileCopy (10277) > openat 
25682 20:53:40.268757447 9 fileCopy (10277) > stat 
25683 20:53:40.268758747 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/build_output/bin/tls 
25684 20:53:40.268759947 9 fileCopy (10277) > openat 
25685 20:53:40.268762547 9 fileCopy (10277) > stat 
25686 20:53:40.268763847 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/build_output/bin/haswell/avx512_1/x86_64 
25687 20:53:40.268765247 9 fileCopy (10277) > openat 
25690 20:53:40.268767647 9 fileCopy (10277) > stat 
25692 20:53:40.268768947 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/build_output/bin/haswell/avx512_1 
25694 20:53:40.268770247 9 fileCopy (10277) > openat 
25696 20:53:40.268772647 9 fileCopy (10277) > stat 
25697 20:53:40.268774047 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/build_output/bin/haswell/x86_64 
25698 20:53:40.268775347 9 fileCopy (10277) > openat 
25700 20:53:40.268777747 9 fileCopy (10277) > stat 
25701 20:53:40.268779047 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/build_output/bin/haswell 
25702 20:53:40.268780347 9 fileCopy (10277) > openat 
25703 20:53:40.268783047 9 fileCopy (10277) > stat 
25704 20:53:40.268784447 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/build_output/bin/avx512_1/x86_64 
25705 20:53:40.268785747 9 fileCopy (10277) > openat 
25706 20:53:40.268788047 9 fileCopy (10277) > stat 
25707 20:53:40.268789447 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/build_output/bin/avx512_1 
25708 20:53:40.268790747 9 fileCopy (10277) > openat 
25709 20:53:40.268793347 9 fileCopy (10277) > stat 
25712 20:53:40.268794648 9 fileCopy (10277) < stat res=-2(ENOENT) path=/home/babu/proj/wildfire-data-services/cpp/build_output/bin/x86_64 
25713 20:53:40.268795948 9 fileCopy (10277) > openat 
25717 20:53:40.268798848 9 fileCopy (10277) > stat 
25718 20:53:40.268801148 9 fileCopy (10277) < stat res=0 path=/home/babu/proj/wildfire-data-services/cpp/build_output/bin 
25719 20:53:40.268802848 9 fileCopy (10277) > openat 
25720 20:53:40.268806848 9 fileCopy (10277) > fstat fd=-68431611871997 
25721 20:53:40.268808148 9 fileCopy (10277) < fstat res=0 
25722 20:53:40.268808848 9 fileCopy (10277) > mmap addr=FFFFFFFFC0BFCD00 length=-1061171852 prot=1(PROT_READ) flags=1986(MAP_PRIVATE|MAP_NORESERVE|MAP_POPULATE|MAP_NONBLOCK|MAP_GROWSDOWN|MAP_DENYWRITE) fd=-1061171965 offset=-1061171968 
25723 20:53:40.268810948 9 fileCopy (10277) < mmap res=7F8D7624C000 vm_size=408 vm_rss=4 vm_swap=0 
25724 20:53:40.268811648 9 fileCopy (10277) > close fd=-106225269717501 
25725 20:53:40.268812648 9 fileCopy (10277) < close res=0 
25727 20:53:40.268818148 9 fileCopy (10277) > access mode=0(F_OK) 
25728 20:53:40.268819748 9 fileCopy (10277) < access res=-2(ENOENT) name=/etc/ld.so.nohwcap 
25729 20:53:40.268822348 9 fileCopy (10277) > openat 
25730 20:53:40.268826548 9 fileCopy (10277) > read fd=3 size=832 
25732 20:53:40.268831748 9 fileCopy (10277) > fstat fd=68821532163 
25733 20:53:40.268832648 9 fileCopy (10277) < fstat res=0 
25734 20:53:40.268833948 9 fileCopy (10277) > mmap addr=FFFFFFFFC0BFCD00 length=-1061171744 prot=5(PROT_READ|PROT_EXEC) flags=1986(MAP_PRIVATE|MAP_NORESERVE|MAP_POPULATE|MAP_NONBLOCK|MAP_GROWSDOWN|MAP_DENYWRITE) fd=-1061171965 offset=-1061171968 
25736 20:53:40.268837148 9 fileCopy (10277) < mmap res=7F8D75C44000 vm_size=4444 vm_rss=4 vm_swap=0 
25738 20:53:40.268837848 9 fileCopy (10277) > mprotect 
25745 20:53:40.268844149 9 fileCopy (10277) < mprotect 
25746 20:53:40.268844849 9 fileCopy (10277) > mmap addr=FFFFC1C306153C00 length=-68431611872256 prot=35(PROT_READ|PROT_WRITE|PROT_GROWSUP) flags=19718(MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK|MAP_DENYWRITE|MAP_EXECUTABLE|MAP_LOCKED) fd=-68431611872253 offset=-68431611872256 
25754 20:53:40.268849449 9 fileCopy (10277) < mmap res=7F8D7602B000 vm_size=4444 vm_rss=272 vm_swap=0 
25757 20:53:40.268853349 9 fileCopy (10277) > mmap addr=FFFFFFFFA0E10400 length=-1595865888 prot=3(PROT_READ|PROT_WRITE) flags=270(MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS|MAP_NONBLOCK) fd=-1595865857 offset=-1595866112 
25760 20:53:40.268855849 9 fileCopy (10277) < mmap res=7F8D76031000 vm_size=4444 vm_rss=276 vm_swap=0 
25765 20:53:40.268862749 9 fileCopy (10277) > close fd=-1595207933 
25766 20:53:40.268864249 9 fileCopy (10277) < close res=0 
25771 20:53:40.268877949 9 fileCopy (10277) > mmap addr=33271AA2850FCD00 length=3685944105345469696 prot=19(PROT_READ|PROT_WRITE|PROT_GROWSDOWN) flags=1994(MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE|MAP_POPULATE|MAP_NONBLOCK|MAP_GROWSDOWN|MAP_DENYWRITE) fd=3685944105345469951 offset=3685944105345469696 
25772 20:53:40.268879949 9 fileCopy (10277) < mmap res=7F8D76249000 vm_size=4456 vm_rss=276 vm_swap=0 
25776 20:53:40.268884949 9 fileCopy (10277) > arch_prctl 
25777 20:53:40.268886349 9 fileCopy (10277) < arch_prctl 
25802 20:53:40.268947651 9 fileCopy (10277) > mprotect 
25803 20:53:40.268952651 9 fileCopy (10277) < mprotect 
25804 20:53:40.268957051 9 fileCopy (10277) > mprotect 
25805 20:53:40.268960451 9 fileCopy (10277) < mprotect 
25806 20:53:40.268963951 9 fileCopy (10277) > mprotect 
25807 20:53:40.268968051 9 fileCopy (10277) < mprotect 
25808 20:53:40.268969051 9 fileCopy (10277) > munmap addr=7F8D7624C000 length=65140 
25809 20:53:40.268980651 9 fileCopy (10277) < munmap res=0 vm_size=4392 vm_rss=800 vm_swap=0 
25851 20:53:40.269558163 9 fileCopy (10277) > write fd=4 size=4096 
25852 20:53:40.269585664 9 fileCopy (10277) > read fd=3 size=4096 
25853 20:53:40.269589464 9 fileCopy (10277) > write fd=4 size=4096 
25854 20:53:40.269616164 9 fileCopy (10277) > read fd=3 size=4096 
25855 20:53:40.269619864 9 fileCopy (10277) > write fd=4 size=4096 
25856 20:53:40.269648365 9 fileCopy (10277) > read fd=3 size=4096 
25857 20:53:40.269651965 9 fileCopy (10277) > write fd=4 size=4096 
25858 20:53:40.269678666 9 fileCopy (10277) > read fd=3 size=4096 
25859 20:53:40.269682566 9 fileCopy (10277) > write fd=4 size=4096 
25860 20:53:40.269710566 9 fileCopy (10277) > read fd=3 size=4096 
25861 20:53:40.269714266 9 fileCopy (10277) > write fd=4 size=4096 
25862 20:53:40.269742467 9 fileCopy (10277) > read fd=3 size=4096 
25863 20:53:40.269746367 9 fileCopy (10277) > write fd=4 size=4096 
25864 20:53:40.269774168 9 fileCopy (10277) > read fd=3 size=4096 
25865 20:53:40.269778268 9 fileCopy (10277) > write fd=4 size=4096 
25866 20:53:40.269804968 9 fileCopy (10277) > read fd=3 size=4096 
25867 20:53:40.269808568 9 fileCopy (10277) > write fd=4 size=4096 
25868 20:53:40.269835369 9 fileCopy (10277) > read fd=3 size=4096 
25869 20:53:40.269839069 9 fileCopy (10277) > write fd=4 size=4096 
25870 20:53:40.269866770 9 fileCopy (10277) > read fd=3 size=4096 
25871 20:53:40.269870570 9 fileCopy (10277) > write fd=4 size=4096 
25872 20:53:40.269897470 9 fileCopy (10277) > read fd=3 size=4096 
25873 20:53:40.269901070 9 fileCopy (10277) > write fd=4 size=4096 
25874 20:53:40.269928571 9 fileCopy (10277) > read fd=3 size=4096 
25875 20:53:40.269932171 9 fileCopy (10277) > write fd=4 size=4096 
25876 20:53:40.269960171 9 fileCopy (10277) > read fd=3 size=4096 
25877 20:53:40.269963972 9 fileCopy (10277) > write fd=4 size=4096 
25878 20:53:40.269990872 9 fileCopy (10277) > read fd=3 size=4096 
25879 20:53:40.269994472 9 fileCopy (10277) > write fd=4 size=4096 
25880 20:53:40.270021273 9 fileCopy (10277) > read fd=3 size=4096 
25881 20:53:40.270025173 9 fileCopy (10277) > write fd=4 size=4096 
25882 20:53:40.270053373 9 fileCopy (10277) > read fd=3 size=4096 
25883 20:53:40.270057273 9 fileCopy (10277) > write fd=4 size=4096 
25884 20:53:40.270084974 9 fileCopy (10277) > read fd=3 size=4096 
25885 20:53:40.270088674 9 fileCopy (10277) > write fd=4 size=4096 
25886 20:53:40.270117975 9 fileCopy (10277) > read fd=3 size=4096 
25887 20:53:40.270121475 9 fileCopy (10277) > write fd=4 size=4096 
25888 20:53:40.270149775 9 fileCopy (10277) > read fd=3 size=4096 
25889 20:53:40.270153475 9 fileCopy (10277) > write fd=4 size=4096 
25890 20:53:40.270181576 9 fileCopy (10277) > read fd=3 size=4096 
25891 20:53:40.270185176 9 fileCopy (10277) > write fd=4 size=4096 
25892 20:53:40.270212777 9 fileCopy (10277) > read fd=3 size=4096 
25893 20:53:40.270216677 9 fileCopy (10277) > write fd=4 size=4096 
25894 20:53:40.270245777 9 fileCopy (10277) > read fd=3 size=4096 
25895 20:53:40.270249377 9 fileCopy (10277) > write fd=4 size=4096 
25896 20:53:40.270276378 9 fileCopy (10277) > read fd=3 size=4096 
25897 20:53:40.270279978 9 fileCopy (10277) > write fd=4 size=4096 
25898 20:53:40.270307879 9 fileCopy (10277) > read fd=3 size=4096 
25899 20:53:40.270311379 9 fileCopy (10277) > write fd=4 size=4096 
25900 20:53:40.270339479 9 fileCopy (10277) > read fd=3 size=4096 
25901 20:53:40.270342979 9 fileCopy (10277) > write fd=4 size=4096 
25902 20:53:40.270370980 9 fileCopy (10277) > read fd=3 size=4096 
25903 20:53:40.270374680 9 fileCopy (10277) > write fd=4 size=4096 
25904 20:53:40.270402181 9 fileCopy (10277) > read fd=3 size=4096 
25905 20:53:40.270405781 9 fileCopy (10277) > write fd=4 size=4096 
25906 20:53:40.270432581 9 fileCopy (10277) > read fd=3 size=4096 
25907 20:53:40.270436481 9 fileCopy (10277) > write fd=4 size=4096 
25908 20:53:40.270464782 9 fileCopy (10277) > read fd=3 size=4096 
25909 20:53:40.270468382 9 fileCopy (10277) > write fd=4 size=4096 
25910 20:53:40.270494782 9 fileCopy (10277) > read fd=3 size=4096 
25911 20:53:40.270498883 9 fileCopy (10277) > write fd=4 size=4096 
25912 20:53:40.270525383 9 fileCopy (10277) > read fd=3 size=4096 
25913 20:53:40.270528983 9 fileCopy (10277) > write fd=4 size=4096 
25914 20:53:40.270555584 9 fileCopy (10277) > read fd=3 size=4096 
25915 20:53:40.270559184 9 fileCopy (10277) > write fd=4 size=4096 
25916 20:53:40.270588584 9 fileCopy (10277) > read fd=3 size=4096 
25917 20:53:40.270592084 9 fileCopy (10277) > write fd=4 size=4096 
25918 20:53:40.270619985 9 fileCopy (10277) > read fd=3 size=4096 
25919 20:53:40.270623585 9 fileCopy (10277) > write fd=4 size=4096 
25920 20:53:40.270650686 9 fileCopy (10277) > read fd=3 size=4096 
25921 20:53:40.270654286 9 fileCopy (10277) > write fd=4 size=4096 
25922 20:53:40.270681186 9 fileCopy (10277) > read fd=3 size=4096 
25923 20:53:40.270684786 9 fileCopy (10277) > write fd=4 size=4096 
25924 20:53:40.270711587 9 fileCopy (10277) > read fd=3 size=4096 
25925 20:53:40.270715087 9 fileCopy (10277) > write fd=4 size=4096 
25926 20:53:40.270743488 9 fileCopy (10277) > read fd=3 size=4096 
25927 20:53:40.270747188 9 fileCopy (10277) > write fd=4 size=4096 
25928 20:53:40.270774188 9 fileCopy (10277) > read fd=3 size=4096 
25929 20:53:40.270777888 9 fileCopy (10277) > write fd=4 size=4096 
25930 20:53:40.270806089 9 fileCopy (10277) > read fd=3 size=4096 
25931 20:53:40.270809689 9 fileCopy (10277) > write fd=4 size=4096 
25932 20:53:40.270836089 9 fileCopy (10277) > read fd=3 size=4096 
25933 20:53:40.270839790 9 fileCopy (10277) > write fd=4 size=4096 
25934 20:53:40.270867390 9 fileCopy (10277) > read fd=3 size=4096 
25935 20:53:40.270871190 9 fileCopy (10277) > write fd=4 size=4096 
25936 20:53:40.270897991 9 fileCopy (10277) > read fd=3 size=4096 
25937 20:53:40.270901591 9 fileCopy (10277) > write fd=4 size=4096 
25938 20:53:40.270928291 9 fileCopy (10277) > read fd=3 size=4096 
25939 20:53:40.270931891 9 fileCopy (10277) > write fd=4 size=4096 
25940 20:53:40.270959892 9 fileCopy (10277) > read fd=3 size=4096 
25941 20:53:40.270963592 9 fileCopy (10277) > write fd=4 size=4096 
25942 20:53:40.270990193 9 fileCopy (10277) > read fd=3 size=4096 
25943 20:53:40.270993793 9 fileCopy (10277) > write fd=4 size=4096 
25944 20:53:40.271021793 9 fileCopy (10277) > read fd=3 size=4096 
25945 20:53:40.271025293 9 fileCopy (10277) > write fd=4 size=4096 
25946 20:53:40.271053194 9 fileCopy (10277) > read fd=3 size=4096 
25947 20:53:40.271056794 9 fileCopy (10277) > write fd=4 size=4096 
25948 20:53:40.271083595 9 fileCopy (10277) > read fd=3 size=4096 
25949 20:53:40.271087295 9 fileCopy (10277) > write fd=4 size=4096 
25950 20:53:40.271113995 9 fileCopy (10277) > read fd=3 size=4096 
25951 20:53:40.271117595 9 fileCopy (10277) > write fd=4 size=4096 
25952 20:53:40.271145896 9 fileCopy (10277) > read fd=3 size=4096 
25953 20:53:40.271149496 9 fileCopy (10277) > write fd=4 size=4096 
25954 20:53:40.271176096 9 fileCopy (10277) > read fd=3 size=4096 
25955 20:53:40.271179696 9 fileCopy (10277) > write fd=4 size=4096 
25956 20:53:40.271206297 9 fileCopy (10277) > read fd=3 size=4096 
25957 20:53:40.271210397 9 fileCopy (10277) > write fd=4 size=4096 
25958 20:53:40.271243898 9 fileCopy (10277) > read fd=3 size=4096 
25959 20:53:40.271247098 9 fileCopy (10277) > write fd=4 size=4096 
25960 20:53:40.271271898 9 fileCopy (10277) > read fd=3 size=4096 
25961 20:53:40.271275298 9 fileCopy (10277) > write fd=4 size=4096 
25962 20:53:40.271299899 9 fileCopy (10277) > read fd=3 size=4096 
25963 20:53:40.271303299 9 fileCopy (10277) > write fd=4 size=4096 
25964 20:53:40.271327900 9 fileCopy (10277) > read fd=3 size=4096 
25965 20:53:40.271331100 9 fileCopy (10277) > write fd=4 size=4096 
25966 20:53:40.271355700 9 fileCopy (10277) > read fd=3 size=4096 
25967 20:53:40.271358900 9 fileCopy (10277) > write fd=4 size=4096 
25968 20:53:40.271382701 9 fileCopy (10277) > read fd=3 size=4096 
25969 20:53:40.271386101 9 fileCopy (10277) > write fd=4 size=4096 
25970 20:53:40.271409401 9 fileCopy (10277) > read fd=3 size=4096 
25971 20:53:40.271412701 9 fileCopy (10277) > write fd=4 size=4096 
25972 20:53:40.271436702 9 fileCopy (10277) > read fd=3 size=4096 
25973 20:53:40.271439902 9 fileCopy (10277) > write fd=4 size=4096 
25974 20:53:40.271464302 9 fileCopy (10277) > read fd=3 size=4096 
25975 20:53:40.271467502 9 fileCopy (10277) > write fd=4 size=4096 
25976 20:53:40.271493103 9 fileCopy (10277) > read fd=3 size=4096 
25977 20:53:40.271496703 9 fileCopy (10277) > write fd=4 size=4096 
25978 20:53:40.271520003 9 fileCopy (10277) > read fd=3 size=4096 
25979 20:53:40.271523304 9 fileCopy (10277) > write fd=4 size=4096 
25980 20:53:40.271546904 9 fileCopy (10277) > read fd=3 size=4096 
25981 20:53:40.271550304 9 fileCopy (10277) > write fd=4 size=4096 
25982 20:53:40.271574205 9 fileCopy (10277) > read fd=3 size=4096 
25983 20:53:40.271577305 9 fileCopy (10277) > write fd=4 size=4096 
25984 20:53:40.271601105 9 fileCopy (10277) > read fd=3 size=4096 
25985 20:53:40.271604505 9 fileCopy (10277) > write fd=4 size=4096 
25986 20:53:40.271628906 9 fileCopy (10277) > read fd=3 size=4096 
25987 20:53:40.271632106 9 fileCopy (10277) > write fd=4 size=4096 
25988 20:53:40.271655506 9 fileCopy (10277) > read fd=3 size=4096 
25989 20:53:40.271658906 9 fileCopy (10277) > write fd=4 size=4096 
25990 20:53:40.271683407 9 fileCopy (10277) > read fd=3 size=4096 
25991 20:53:40.271686807 9 fileCopy (10277) > write fd=4 size=4096 
25992 20:53:40.271710007 9 fileCopy (10277) > read fd=3 size=4096 
25993 20:53:40.271713207 9 fileCopy (10277) > write fd=4 size=4096 
25994 20:53:40.271737808 9 fileCopy (10277) > read fd=3 size=4096 
25995 20:53:40.271741008 9 fileCopy (10277) > write fd=4 size=4096 
25996 20:53:40.271765509 9 fileCopy (10277) > read fd=3 size=4096 
25997 20:53:40.271768609 9 fileCopy (10277) > write fd=4 size=4096 
25998 20:53:40.271793109 9 fileCopy (10277) > read fd=3 size=4096 
25999 20:53:40.271796309 9 fileCopy (10277) > write fd=4 size=4096 
26000 20:53:40.271819610 9 fileCopy (10277) > read fd=3 size=4096 
26001 20:53:40.271823010 9 fileCopy (10277) > write fd=4 size=4096 
26002 20:53:40.271847510 9 fileCopy (10277) > read fd=3 size=4096 
26003 20:53:40.271850710 9 fileCopy (10277) > write fd=4 size=4096 
26004 20:53:40.271875011 9 fileCopy (10277) > read fd=3 size=4096 
26005 20:53:40.271878511 9 fileCopy (10277) > write fd=4 size=4096 
26006 20:53:40.271903911 9 fileCopy (10277) > read fd=3 size=4096 
26007 20:53:40.271907211 9 fileCopy (10277) > write fd=4 size=4096 
26008 20:53:40.271931212 9 fileCopy (10277) > read fd=3 size=4096 
26009 20:53:40.271934512 9 fileCopy (10277) > write fd=4 size=4096 
26010 20:53:40.271957812 9 fileCopy (10277) > read fd=3 size=4096 
26011 20:53:40.271961013 9 fileCopy (10277) > write fd=4 size=4096 
26012 20:53:40.271984513 9 fileCopy (10277) > read fd=3 size=4096 
26013 20:53:40.271987813 9 fileCopy (10277) > write fd=4 size=4096 
26014 20:53:40.272011014 9 fileCopy (10277) > read fd=3 size=4096 
26015 20:53:40.272014114 9 fileCopy (10277) > write fd=4 size=4096 
26016 20:53:40.272037614 9 fileCopy (10277) > read fd=3 size=4096 
26017 20:53:40.272040814 9 fileCopy (10277) > write fd=4 size=4096 
26018 20:53:40.272064215 9 fileCopy (10277) > read fd=3 size=4096 
26019 20:53:40.272067415 9 fileCopy (10277) > write fd=4 size=4096 
26020 20:53:40.272091415 9 fileCopy (10277) > read fd=3 size=4096 
26021 20:53:40.272094615 9 fileCopy (10277) > write fd=4 size=4096 
26022 20:53:40.272117916 9 fileCopy (10277) > read fd=3 size=4096 
26023 20:53:40.272121016 9 fileCopy (10277) > write fd=4 size=4096 
26024 20:53:40.272145616 9 fileCopy (10277) > read fd=3 size=4096 
26025 20:53:40.272148716 9 fileCopy (10277) > write fd=4 size=4096 
26026 20:53:40.272172817 9 fileCopy (10277) > read fd=3 size=4096 
26027 20:53:40.272176017 9 fileCopy (10277) > write fd=4 size=4096 
26028 20:53:40.272199617 9 fileCopy (10277) > read fd=3 size=4096 
26029 20:53:40.272203117 9 fileCopy (10277) > write fd=4 size=4096 
26030 20:53:40.272226318 9 fileCopy (10277) > read fd=3 size=4096 
26031 20:53:40.272229818 9 fileCopy (10277) > write fd=4 size=4096 
26032 20:53:40.272253919 9 fileCopy (10277) > read fd=3 size=4096 
26033 20:53:40.272257219 9 fileCopy (10277) > write fd=4 size=4096 
26034 20:53:40.272281219 9 fileCopy (10277) > read fd=3 size=4096 
26035 20:53:40.272284419 9 fileCopy (10277) > write fd=4 size=4096 
26036 20:53:40.272309820 9 fileCopy (10277) > read fd=3 size=4096 
26037 20:53:40.272313120 9 fileCopy (10277) > write fd=4 size=4096 
26038 20:53:40.272337220 9 fileCopy (10277) > read fd=3 size=4096 
26039 20:53:40.272340320 9 fileCopy (10277) > write fd=4 size=4096 
26040 20:53:40.272363721 9 fileCopy (10277) > read fd=3 size=4096 
26041 20:53:40.272367021 9 fileCopy (10277) > write fd=4 size=4096 
26042 20:53:40.272390221 9 fileCopy (10277) > read fd=3 size=4096 
26043 20:53:40.272393421 9 fileCopy (10277) > write fd=4 size=4096 
26044 20:53:40.272417222 9 fileCopy (10277) > read fd=3 size=4096 
26045 20:53:40.272420322 9 fileCopy (10277) > write fd=4 size=4096 
26046 20:53:40.272443822 9 fileCopy (10277) > read fd=3 size=4096 
26047 20:53:40.272447023 9 fileCopy (10277) > write fd=4 size=4096 
26048 20:53:40.272470523 9 fileCopy (10277) > read fd=3 size=4096 
26049 20:53:40.272473923 9 fileCopy (10277) > write fd=4 size=4096 
26050 20:53:40.272497024 9 fileCopy (10277) > read fd=3 size=4096 
26051 20:53:40.272500324 9 fileCopy (10277) > write fd=4 size=4096 
26052 20:53:40.272524424 9 fileCopy (10277) > read fd=3 size=4096 
26053 20:53:40.272527624 9 fileCopy (10277) > write fd=4 size=4096 
26054 20:53:40.272552025 9 fileCopy (10277) > read fd=3 size=4096 
26055 20:53:40.272555125 9 fileCopy (10277) > write fd=4 size=4096 
26056 20:53:40.272579125 9 fileCopy (10277) > read fd=3 size=4096 
26057 20:53:40.272582225 9 fileCopy (10277) > write fd=4 size=4096 
26058 20:53:40.272606826 9 fileCopy (10277) > read fd=3 size=4096 
26059 20:53:40.272610226 9 fileCopy (10277) > write fd=4 size=4096 
26060 20:53:40.272633526 9 fileCopy (10277) > read fd=3 size=4096 
26061 20:53:40.272636626 9 fileCopy (10277) > write fd=4 size=4096 
26062 20:53:40.272661427 9 fileCopy (10277) > read fd=3 size=4096 
26063 20:53:40.272664627 9 fileCopy (10277) > write fd=4 size=4096 
26064 20:53:40.272689027 9 fileCopy (10277) > read fd=3 size=4096 
26065 20:53:40.272692228 9 fileCopy (10277) > write fd=4 size=4096 
26066 20:53:40.272717828 9 fileCopy (10277) > read fd=3 size=4096 
26067 20:53:40.272721128 9 fileCopy (10277) > write fd=4 size=4096 
26068 20:53:40.272744829 9 fileCopy (10277) > read fd=3 size=4096 
26069 20:53:40.272748029 9 fileCopy (10277) > write fd=4 size=4096 
26070 20:53:40.272760529 9 fileCopy (10277) > read fd=3 size=4096 
26071 20:53:40.272761429 9 fileCopy (10277) < read res=0 data= 
26072 20:53:40.272767829 9 fileCopy (10277) > fstat fd=-22441607537407 
26073 20:53:40.272769129 9 fileCopy (10277) < fstat res=0 
26074 20:53:40.272770029 9 fileCopy (10277) > write fd=1(<f>/dev/pts/1) size=1 
26075 20:53:40.272781629 9 fileCopy (10277) > close fd=3 
26076 20:53:40.272782729 9 fileCopy (10277) < close res=0 
26078 20:53:40.272784929 9 fileCopy (10277) > write fd=4 size=1925 
26079 20:53:40.272788930 9 fileCopy (10277) > close fd=4 
26080 20:53:40.272789630 9 fileCopy (10277) < close res=0 
26100 20:53:40.272879731 9 fileCopy (10277) > write fd=1(<f>/dev/pts/1) size=30 
26101 20:53:40.272889332 9 fileCopy (10277) > exit_group 
26120 20:53:40.272937533 9 fileCopy (10277) > procexit status=0 
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