remove BCC examples
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BCC-Examples.md
103
BCC-Examples.md
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Random examples of using BCC tools
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```
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$ sudo python2 /usr/share/bcc/tools/biosnoop
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TIME(s) COMM PID DISK T SECTOR BYTES LAT(ms)
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0.000019000 ? 0 R -1 8 1.76
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0.993713000 Chrome_FileThr 3774 sda W 513149392 4096 10.12
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0.994569000 jbd2/dm-0-8 523 sda W 533988192 57344 0.59
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1.051730000 kworker/u32:1 17321 sda W 542135576 4096 13.12
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1.051821000 kworker/u32:1 17321 sda W 546060336 4096 13.21
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1.051845000 kworker/u32:1 17321 sda W 546060376 8192 13.23
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1.051867000 kworker/u32:1 17321 sda W 546060392 4096 13.25
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$ sudo python2 /usr/share/bcc/tools/biolatency
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Tracing block device I/O... Hit Ctrl-C to end.
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usecs : count distribution
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0 -> 1 : 0 | |
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2 -> 3 : 0 | |
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4 -> 7 : 0 | |
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8 -> 15 : 0 | |
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16 -> 31 : 0 | |
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32 -> 63 : 0 | |
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64 -> 127 : 0 | |
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128 -> 255 : 0 | |
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256 -> 511 : 10 |****************************************|
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512 -> 1023 : 8 |******************************** |
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1024 -> 2047 : 2 |******** |
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2048 -> 4095 : 10 |****************************************|
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4096 -> 8191 : 0 | |
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8192 -> 16383 : 1 |**** |
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$ sudo python2 /usr/share/bcc/tools/tcpv4connect
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PID COMM SADDR DADDR DPORT
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2237 Socket Threa 192.168.1.72 216.58.218.167 443
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17224 curl 192.168.1.72 173.194.115.71 80
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17230 wget 192.168.1.72 192.30.252.131 80
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17230 wget 192.168.1.72 192.30.252.131 443
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3778 Chrome_IOThr 192.168.1.72 216.58.218.174 443
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3778 Chrome_IOThr 192.168.1.72 173.194.17.120 443
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3778 Chrome_IOThr 192.168.1.72 173.194.17.120 443
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3778 Chrome_IOThr 192.168.1.72 173.194.17.120 443
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3778 Chrome_IOThr 192.168.1.72 173.194.17.120 443
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3778 Chrome_IOThr 192.168.1.72 173.194.17.120 443
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3778 Chrome_IOThr 192.168.1.72 173.194.17.120 443
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3778 Chrome_IOThr 192.168.1.72 173.194.17.120 443
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3778 Chrome_IOThr 192.168.1.72 173.194.17.120 443
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3778 Chrome_IOThr 192.168.1.72 173.194.17.120 443
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3778 Chrome_IOThr 192.168.1.72 173.194.17.120 443
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3778 Chrome_IOThr 192.168.1.72 173.194.17.120 443
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$ sudo python2 /usr/share/bcc/tools/opensnoop
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PID COMM FD ERR PATH
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17538 <...> 6 0 /sys/kernel/debug/tracing/trace_pipe
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3811 BrowserBlocking -1 2 /home/tengel/.config/chromium/Default/Storage/ext/fahmaaghhglfm
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3811 BrowserBlocking 221 0 /home/tengel/.config/chromium/Default/Storage/ext/fahmaaghhglfm
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3814 BrowserBlocking -1 2 /home/tengel/.config/chromium/Default/Storage/ext/fahmaaghhglfm
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3814 BrowserBlocking 221 0 /home/tengel/.config/chromium/Default/Storage/ext/fahmaaghhglfm
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1801 gkrellm 12 0 /proc/meminfo
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3814 BrowserBlocking 221 0 /home/tengel/.config/chromium/.org.chromium.Chromium.WyKZxd
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3814 BrowserBlocking 221 0 /home/tengel/.config/chromium/.org.chromium.Chromium.WyKZxd
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3778 Chrome_IOThread 221 0 /dev/shm/.org.chromium.Chromium.2S3mnm
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1801 gkrellm 12 0 /proc/meminfo
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$ sudo python2 /usr/share/bcc/tools/funccount 'vfs_*'
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Tracing 44 functions for "vfs_*"... Hit Ctrl-C to end.
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ADDR FUNC COUNT
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ffffffff81229dd1 vfs_lock_file 8
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ffffffff811e69f1 vfs_create 9
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ffffffff811e3ca1 vfs_unlink 9
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ffffffff8120b541 vfs_fsync_range 17
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ffffffff811de421 vfs_fstat 85
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ffffffff811d9db1 vfs_writev 91
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ffffffff811d8731 vfs_open 100
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ffffffff811de481 vfs_fstatat 493
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ffffffff811de3f1 vfs_getattr 572
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ffffffff811de1d1 vfs_getattr_nosec 572
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ffffffff811d9991 vfs_write 3373
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ffffffff811d9871 vfs_read 4410
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Detaching...
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$ sudo python2 /usr/share/bcc/tools/funclatency do_sys_open
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Tracing 1 functions for "do_sys_open"... Hit Ctrl-C to end.
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nsecs : count distribution
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0 -> 1 : 0 | |
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2 -> 3 : 0 | |
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4 -> 7 : 0 | |
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8 -> 15 : 0 | |
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16 -> 31 : 0 | |
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32 -> 63 : 0 | |
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64 -> 127 : 0 | |
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128 -> 255 : 0 | |
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256 -> 511 : 0 | |
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512 -> 1023 : 0 | |
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1024 -> 2047 : 0 | |
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2048 -> 4095 : 0 | |
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4096 -> 8191 : 0 | |
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8192 -> 16383 : 3 |******************** |
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16384 -> 32767 : 3 |******************** |
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32768 -> 65535 : 6 |****************************************|
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Detaching...
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```
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@ -4,7 +4,6 @@
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- [[Apache wpadmin]]
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- [[Apache wpadmin]]
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- [[Arch Default Kernel]]
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- [[Arch Default Kernel]]
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- [[Arch Kernel Order]]
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- [[Arch Kernel Order]]
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- [[BCC Examples]]
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- [[Bash Add fd]]
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- [[Bash Add fd]]
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- [[Bash Dump History]]
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- [[Bash Dump History]]
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- [[Bash Trim Whitespace]]
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- [[Bash Trim Whitespace]]
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