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Server: Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.4.30
System: Linux iZj6c1151k3ad370bosnmsZ 3.10.0-1160.76.1.el7.x86_64 #1 SMP Wed Aug 10 16:21:17 UTC 2022 x86_64
User: root (0)
PHP: 7.4.30
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$ pwd: /usr/share/systemtap/examples/io/
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File: //usr/share/systemtap/examples/io/iodevstats.txt
# stap iodevstats.stp -T 1

starting probe

                                       read     read             write    write
            name   device     read   KB tot    B avg    write   KB tot    B avg
           sleep 253,    0        2        0      368        0        0        0
          stapio 253,    0        4        0      132        0        0        0
          stapio   0,    7        7        0        3        0        0        0
          stapio   0,    8        0        0        0        1        0       15
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