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Finding I/O-Intensive Apps
01 #!/usr/bin/stap
02
03 global totals;
04 probe vfs.read
05
06 {
07 totals[execname(), pid()]++
08 }
09
10 probe end
11 {
12 printf("** Summary ** \n")
13 foreach
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from compromised systems is John the Ripper (John). John is a free tool from Openwall [1]. System administrators should use John to perform internal password audits. It's a small (<1MB) and simple ... 6
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(number, label):
07 for i in xrange(number):
08 print ' ' + str(i) + ' ' + label
09 sleep((number - 15)/10.0)
10
11 if '__main__' == __name__:
12
13 p1 = Process(target = count, args = (20
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08 default:
09 $(MAKE) -C $(KDIR) M=$(PWD) modules
10 endif
11
12 clean:
13 rm -rf *.ko *.o *.mod.c *.mod.o modules.order
14 rm -rf Module.symvers .*.cmd .tmp
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, some parts of which are standardized and some of which are defined by the device manufacturer.
In production, the Standard MIB II ranges (1.3.6.1.2.1.*) and the vendor-specific area below
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); i+= 4096) newblock[i] = 'Y';
12 printf("Allocated %d MB\n", allocation);
13 }
14 }
Things are more interesting when memory is being used. Uncommenting line 11 does just that. The OOM
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_NOT_RUNNING
08 fi
09
10 pid=`cat $ASTRUNDIR/asterisk.pid`
11 ocf_run kill -s 0 $pid
12 rc=$?
13
14 if [ $rc -eq 0 ]; then
15 if ocf_is_true "$OCF_RESKEY_realtime"; then
16
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of the stress test shown in Figure 2, shows that some 19,200 queries composed of 55 different commands were issued. The system, a server with 768MB of RAM and a Pentium 3 CPU, took a total of 22 seconds to answer
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the Buffer
01 [global]
02 ioengine=libaio
03 direct=1
04 filename=testfile
05 size=2g
06 bs=4m
07
08 refill_buffers=1
09
10 [write]
11 rw=write
12 write_bw_log
13
14 [read]
15 stonewall
16 rw=read
17 write
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-local
04 bash#>
05 bash#> pkgadd -d tcp_wrappers-7.6-sol10-sparc-local
06
07 The following packages are available:
08 1 SMCtcpdwr tcp_wrappers
09 (sparc) 7.6
10
11 Select package
