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Raghavendra Prabhu ronin13

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ronin13 / file
Created May 20, 2012 17:30
[ 0.000000] Initmem setup node 0 0000000000000000-0000000140000000
[ 0.000000] NODE_DATA [000000013fffc000 - 000000013fffffff]
[ 0.000000] [ffffea0000000000-ffffea0004ffffff] PMD -> [ffff88013b600000-ffff88013f5fffff] on node 0
[ 0.000000] Zone PFN ranges:
[ 0.000000] DMA 0x00000010 -> 0x00001000
[ 0.000000] DMA32 0x00001000 -> 0x00100000
[ 0.000000] Normal 0x00100000 -> 0x00140000
[ 0.000000] Movable zone start PFN for each node
[ 0.000000] Early memory PFN ranges
[ 0.000000] 0: 0x00000010 -> 0x0000009c
@ronin13
ronin13 / gist:5652371
Created May 26, 2013 10:29 — forked from anonymous/gist:2523336
#!/bin/sh
git filter-branch --env-filter '
an="$GIT_AUTHOR_NAME"
am="$GIT_AUTHOR_EMAIL"
cn="$GIT_COMMITTER_NAME"
cm="$GIT_COMMITTER_EMAIL"
if [ "$GIT_COMMITTER_EMAIL" = "[email protected]" ]
@ronin13
ronin13 / file1.txt
Created May 28, 2013 09:07
the description for this gist
String file contents
@ronin13
ronin13 / file1.txt
Created May 28, 2013 09:08
the description for this gist
String file contents
@ronin13
ronin13 / file1.txt
Created May 28, 2013 09:08
the description for this gist
String file contents
@ronin13
ronin13 / file1.txt
Created May 28, 2013 09:09
the description for this gist
String file contents
@ronin13
ronin13 / gist:8593f08a6cb903536cf6
Created May 3, 2014 08:54
ttytter -synch=0 -runcommand="/friends +200" | grep -oE '\([a-zA-Z_]+\)' | tr -d '()' | =grep -v Verified | awk '{ print "@"$0 }' | tr '\n' ' ' | xargs -I{} sed -ie 's/readline=.*/readline="{}"/' ~/.ttytterrc
@ronin13
ronin13 / keybase.md
Created October 16, 2014 15:26

Keybase proof

I hereby claim:

  • I am ronin13 on github.
  • I am rdprabhu (https://keybase.io/rdprabhu) on keybase.
  • I have a public key whose fingerprint is B93F EBCB 8E05 7039 CD3C A4B8 A616 DCA1 D72B E977

To claim this, I am signing this object:

@ronin13
ronin13 / fallocate-punch-filefrag
Created April 29, 2015 05:09
Effects of hole punching on fragmentation and size (on XFS)
dd if=/dev/urandom of=abc.ibd bs=1M count=100
100+0 records in
100+0 records out
104857600 bytes (105 MB) copied, 10.5109 s, 10.0 MB/s
dd if=/dev/urandom of=abc.ibd bs=1M count=100 0.00s user 10.48s system 99% cpu 10.512 total
filefrag -v abc.ibd
Filesystem type is: 58465342
File size of abc.ibd is 104857600 (25600 blocks of 4096 bytes)
@ronin13
ronin13 / gist:4fc2f49152ccb3fc2692
Created May 5, 2015 16:50
GDB with namespace support
sudo gdb -p 31802
GNU gdb (GDB) 7.9.50.20150429-cvs
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see: