Question
In: Computer Science
Reduce the following "top -b -n 1" output to its first, second, and last columns, and...
Reduce the following "top -b -n 1" output to its first, second, and last columns, and include only those processes belonging to "root". Use fscanf and strtok please. top - 05:00:58 up 543 days, 8:56, 1 user, load average: 0.11, 0.03, 0.01 Tasks: 112 total, 1 running, 111 sleeping, 0 stopped, 0 zombie %Cpu(s): 0.1 us, 0.1 sy, 0.0 ni, 99.8 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem : 499976 total, 41456 free, 51636 used, 406884 buff/cache KiB Swap: 0 total, 0 free, 0 used. 392008 avail Mem 1 root 20 0 185324 4988 3032 S 0.0 1.0 7:08.14 systemd 2 root 20 0 0 0 0 S 0.0 0.0 0:00.06 kthreadd 3 root 20 0 0 0 0 S 0.0 0.0 3:19.04 ksoftirqd/0 5 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/0:0H 7 root 20 0 0 0 0 S 0.0 0.0 7:29.74 rcu_sched 8 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcu_bh 9 root rt 0 0 0 0 S 0.0 0.0 0:00.00 migration/0 10 root rt 0 0 0 0 S 0.0 0.0 4:36.48 watchdog/0 11 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kdevtmpfs 12 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 netns 13 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 perf 14 root 20 0 0 0 0 S 0.0 0.0 0:13.48 khungtaskd 15 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 writeback 16 root 25 5 0 0 0 S 0.0 0.0 0:00.00 ksmd 17 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 crypto 18 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kintegrityd 19 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 20 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kblockd 21 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 ata_sff 22 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 md 23 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 devfreq_wq 27 root 20 0 0 0 0 S 0.0 0.0 22:01.55 kswapd0 28 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 vmstat 29 root 20 0 0 0 0 S 0.0 0.0 0:00.00 fsnotify_ma+ 30 root 20 0 0 0 0 S 0.0 0.0 0:00.00 ecryptfs-kt+ 46 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kthrotld 47 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 acpi_therma+ 48 root 20 0 0 0 0 S 0.0 0.0 0:00.00 vballoon 49 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 50 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 51 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 52 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 53 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 54 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 55 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 56 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 57 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 58 root 20 0 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_0 59 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 scsi_tmf_0 60 root 20 0 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_1 61 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 scsi_tmf_1 67 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 ipv6_addrco+ 80 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 deferwq 81 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 charger_man+ 128 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 129 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 130 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 131 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 132 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 133 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 134 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 135 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 137 root 20 0 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_2 138 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 scsi_tmf_2 145 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kpsmoused 496 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 raid5wq 526 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 551 root 20 0 0 0 0 S 0.0 0.0 4:41.75 jbd2/vda1-8 552 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 ext4-rsv-co+ 614 root 20 0 27708 2248 1924 S 0.0 0.4 48:36.07 systemd-jou+ 621 root 0 -20 0 0 0 S 0.0 0.0 0:36.37 kworker/0:1H 632 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 iscsi_eh 648 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 ib_addr 651 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 ib_mcast 652 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 ib_nl_sa_wq 653 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kauditd 654 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 ib_cm 657 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 iw_cm_wq 660 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 rdma_cm 689 root 20 0 102968 228 0 S 0.0 0.0 0:00.00 lvmetad 796 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kvm-irqfd-c+ 1427 root 20 0 5220 116 0 S 0.0 0.0 25:47.02 iscsid 1428 root 10 -10 5720 3524 2436 S 0.0 0.7 123:01.13 iscsid 1449 message+ 20 0 42972 2008 1392 S 0.0 0.4 0:10.67 dbus-daemon 1455 syslog 20 0 256392 1564 0 S 0.0 0.3 13:44.06 rsyslogd 1459 root 20 0 28728 2752 2248 S 0.0 0.6 0:37.68 systemd-log+ 1462 root 20 0 653228 3996 1192 S 0.0 0.8 4:47.32 lxcfs 1469 root 20 0 4396 1156 1072 S 0.0 0.2 0:00.00 acpid 1471 root 20 0 274488 1016 212 S 0.0 0.2 27:45.06 accounts-da+ 1483 root 20 0 27728 2176 1896 S 0.0 0.4 1:34.16 cron 1490 daemon 20 0 26044 1724 1520 S 0.0 0.3 0:00.84 atd 1520 root 20 0 13372 192 52 S 0.0 0.0 0:04.41 mdadm 1594 root 20 0 14472 1588 1452 S 0.0 0.3 0:00.00 agetty 5845 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kworker/0:0 5906 root 20 0 92832 6816 5884 S 0.0 1.4 0:00.04 sshd 5942 root 20 0 21428 5372 3368 S 0.0 1.1 0:00.06 bash 5958 root 20 0 0 0 0 S 0.0 0.0 0:00.01 kworker/u2:1 6134 root 20 0 65512 5844 5140 S 0.0 1.2 0:00.00 sshd 6135 sshd 20 0 65512 3200 2484 S 0.0 0.6 0:00.00 sshd 6141 root 20 0 65512 5784 5072 S 0.0 1.2 0:00.00 sshd 6142 sshd 20 0 65512 3208 2484 S 0.0 0.6 0:00.00 sshd 6147 root 20 0 40388 3492 2988 R 0.0 0.7 0:00.00 top 6433 root 20 0 277088 764 0 S 0.0 0.2 0:00.56 polkitd 8836 systemd+ 20 0 100324 1552 1312 S 0.0 0.3 0:10.54 systemd-tim+ 9724 root 20 0 42364 2344 1808 S 0.0 0.5 0:08.68 systemd-ude+ 14463 postgres 20 0 293408 14644 12936 S 0.0 2.9 0:23.56 postgres 14465 postgres 20 0 293408 1704 0 S 0.0 0.3 0:00.67 postgres 14466 postgres 20 0 293408 3408 1704 S 0.0 0.7 0:22.84 postgres 14467 postgres 20 0 293408 2076 372 S 0.0 0.4 0:22.46 postgres 14468 postgres 20 0 293792 3324 1328 S 0.0 0.7 0:13.53 postgres 14469 postgres 20 0 148392 1876 116 S 0.0 0.4 0:13.18 postgres 17737 www-data 20 0 819836 4652 1880 S 0.0 0.9 0:36.39 apache2 17738 www-data 20 0 819844 4948 2008 S 0.0 1.0 0:36.33 apache2 18046 root 20 0 36840 2220 1460 S 0.0 0.4 0:00.00 systemd 18051 root 20 0 209056 2344 0 S 0.0 0.5 0:00.00 (sd-pam) 20779 root 20 0 0 0 0 S 0.0 0.0 0:01.12 kworker/u2:0 25939 root 20 0 71584 4064 2876 S 0.0 0.8 0:17.42 apache2 27861 root 20 0 0 0 0 S 0.0 0.0 0:01.00 kworker/0:1 32109 root 20 0 14656 1328 1192 S 0.0 0.3 0:00.02 agetty 32497 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 xfsalloc 32498 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 xfs_mru_cac+ 32699 root 20 0 65512 2516 1804 S 0.0 0.5 5:54.88 sshd
A start of this problem:
#include
#include
#include
int main()
{
FILE *myfile = fopen("out.top.txt","r");
char a[500] = "this is about as big as this line will be";
// top - 11:45:12 up 7 min, 2 users, load average: 0.34, 1.01, 0.66
// 8729 root 20 0 0 0 0 S 0.0 0.0 0:00.03 kworker/u8+
while (fscanf(myfile,"%[^\n]\n",a)==1) {
// printf("line in is %s\n",a);
char *b1 = strtok(a," "); // printf("first word is %s\n",b1);
if (atoi(b1) > 0) {
// printf("first word is a number\n");
char *b2 = strtok(NULL,", "); // printf("second word is %s\n",b2);
if (!strcmp(b2,"root")) printf("%s owner is %s\n",b1,b2);
}
}
}Solutions
Expert Solution
Here is the required solution. Please mark this answer with thumbs up. :)
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main() {
FILE * myfile = fopen("out.top.txt", "r");
char a[500];
while (fscanf(myfile, "%[^\n]\n", a) == 1) {
char * b1 = strtok(a, " ");
if (atoi(b1) > 0) {
int pn = atoi(b1);
b1 = strtok(NULL, " ");
if (!strcmp(b1, "root")) {
printf("%d root ",
pn);
char * s2 = b1;
while (b1 != NULL)
{
s2 =
b1;
b1 =
strtok(NULL, " ");
}
printf("%s\n",
s2);
}
}
}
}
venereology answered 1 year agoRelated Solutions
For a given positive integer n, output the first n primes. Example: n=3, output: 2,3,5; n=7,...
For a given positive integer n, output the first n primes.
Example:
n=3, output: 2,3,5;
n=7, output: 2,3,5,7,11,13,17.
In Java please
Turing machine A that does the following: • On its first and second tape, A receives...
Turing machine A that does the following:
• On its first and second tape, A receives two strings w and v,
w, v ∈ {0, 1}? , representing two integer numbers. When machine A
is started, the tape heads are located on the left-most position,
on the most significant bits of w and v.
• If none of the inputs w and v is the empty word, the Turing
machine A writes the binary representation of the sum of the...
Create a table with two columns. Name the table First Initial _ Last Name (e.g. John...
Create a table with two columns. Name the table First Initial _
Last Name (e.g. John Dow will create table j_dow). You have to
audit all DML statements on your table. To do this you write two
triggers: 1. To log any DML statements that users might run on this
table. The results must be stored in the First Initial _ Last Name
_ Log table (e.g. John Dow will create table j_dow_log). The table
should have unique event ID,...
1.) First answer = first blank; second answer = second blank. The test statistic for an...
1.) First answer = first blank; second answer = second blank.
The test statistic for an ANOVA is a ratio of values and is noted
by (F). In independent- measures ANOVAs, ________ comprises the
numerator of this ratio, whereas ________ comprises the denominator
of this ratio.
A: systematic treatment effects and unsystematic effects;
unsystematic effects
B: systematic treatment effects; unsystematic effects
C: unsystematic effects; systematic effects and unsystematic
effects
D: unsystematic effects; systematic effects
3.) Please select all that apply....
Use the given function, its first derivative, and its second derivative to answer the following: f(x)=(1/3)x^3...
Use the given function, its first derivative, and its second
derivative to answer the following:
f(x)=(1/3)x^3 - (1/2)x^2 - 6x + 5
f'(x)= x^2 - x - 6 = (x+2)(x-3)
f''(x)= 2x - 1
a) What are the intervals of increase and the intervals of
decrease
b) Identify local min and max points
c) What are the intervals where the function is concave up,
concave down and identify the inflection points
In macroeconomics there are two key questions: first, how to measure (real) output growth? and second,...
In macroeconomics there are two key questions: first, how to
measure (real) output growth? and second, how is growth connected
to wellbeing?
As for the first question, there are three ways to measure real
GDP growth. It starts with the definition of a percentage
difference between two numbers, say x1 compared to x0. When there
is only one good (e.g. apples) there are no prices to worry about
for the calculation. But for the economy as a whole, we need...
In macroeconomics there are two key questions: first, how to measure (real) output growth? and second,...
In macroeconomics there are two key questions: first, how to
measure (real) output growth? and second, how is growth connected
to wellbeing?
As for the first question, there are three ways to measure real
GDP growth. It starts with the definition of a percentage
difference between two numbers, say x1 compared to x0. When there
is only one good (e.g. apples) there are no prices to worry about
for the calculation. But for the economy as a whole, we need...
What is the output of the following code: x = 0 a = 1 b =...
What is the output of the following code:
x = 0
a = 1
b = -3
if a > 0:
if b < 0:
x = x + 5
elif a > 5:
x = x + 4
else:
x = x + 3
else:
x = x + 2
print(x)
4
2
5
3
Consider the following code segment:
sum = 0.0
while True:
number = input(“Enter a...
What is the first, second, fifth, and last year’s depreciation for a $4,953,000 office building using...
What is the first, second, fifth, and last year’s depreciation
for a $4,953,000 office building using the straight-line method and
mid-month convention? The office building is placed in service in
October. The company’s tax year runs from January to December. The
cost of the land is not included in the $4,953,000. These
depreciation calculations are to be used for tax purposes
Consider the time series data in columns A and B. Month (A) Value (B) 1 6...
Consider the time series data in columns A and B.
Month (A)
Value (B)
1
6
2
11
3
9
4
14
5
15
a. Construct a time series plot.
b. Use simple linear regression analysis to find the parameters
for the line
c. For each new month, how much change is there in the value (on
average)?
d. Create a "Forecast" column and use the regression equation to
provide a forecast for each month. Include a forecats for month...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- Creating Enumerations In this section, you create two enumerations that hold colors and car model types....
- 1) The hypergeometric probability distribution is closely related to the binomial distribution except that the trials...
- Two rods, one made of brass and the other made of copper, are joined end to...
- Here is the problem I am working on. I need to write a py program that:...
- Operations Management concepts can be observed almost everywhere in our regular lives. The following assignment is...
- Hello, I very stuck on this c++ blackjack project and was wondering if anyone can offer...
- HW 12, Problem 1, parts a and b You are considering an investment in two projects,...
ADVERTISEMENT